147e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt/* -*- Mode: C; tab-width: 4 -*- 247e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt * 347e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt * Copyright (c) 2002-2003 Apple Computer, Inc. All rights reserved. 447e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt * 547e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt * Licensed under the Apache License, Version 2.0 (the "License"); 647e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt * you may not use this file except in compliance with the License. 747e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt * You may obtain a copy of the License at 847e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt * 947e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt * http://www.apache.org/licenses/LICENSE-2.0 1047e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt * 1147e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt * Unless required by applicable law or agreed to in writing, software 1247e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt * distributed under the License is distributed on an "AS IS" BASIS, 1347e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 1447e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt * See the License for the specific language governing permissions and 1547e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt * limitations under the License. 1647e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt */ 1747e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt 1847e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt 1947e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt#ifdef __cplusplus 2047e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwaltextern "C" { 2147e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt#endif 2247e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt 2347e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt#include "mDNSEmbeddedAPI.h" 2447e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt#include "DNSCommon.h" 2547e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt 2647e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt// Disable certain benign warnings with Microsoft compilers 2747e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt#if(defined(_MSC_VER)) 2847e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt // Disable "conditional expression is constant" warning for debug macros. 2947e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt // Otherwise, this generates warnings for the perfectly natural construct "while(1)" 3047e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt // If someone knows a variant way of writing "while(1)" that doesn't generate warning messages, please let us know 3147e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt #pragma warning(disable:4127) 3247e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt#endif 3347e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt 3447e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt 3547e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt // *************************************************************************** 3647e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt#if COMPILER_LIKES_PRAGMA_MARK 3747e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt#pragma mark - Byte Swapping Functions 3847e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt#endif 3947e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt 4047e4cebad7397422144bb03a21f3f7682c062c4aRobert GreenwaltmDNSlocal mDNSu16 NToH16(mDNSu8 * bytes) 4147e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt { 4247e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt return (mDNSu16)((mDNSu16)bytes[0] << 8 | (mDNSu16)bytes[1]); 4347e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt } 4447e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt 4547e4cebad7397422144bb03a21f3f7682c062c4aRobert GreenwaltmDNSlocal mDNSu32 NToH32(mDNSu8 * bytes) 4647e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt { 4747e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt return (mDNSu32)((mDNSu32) bytes[0] << 24 | (mDNSu32) bytes[1] << 16 | (mDNSu32) bytes[2] << 8 | (mDNSu32)bytes[3]); 4847e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt } 4947e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt 5047e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt // *************************************************************************** 5147e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt#if COMPILER_LIKES_PRAGMA_MARK 5247e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt#pragma mark - MD5 Hash Functions 5347e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt#endif 5447e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt 5547e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt 5647e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt/* The source for the has is derived CommonCrypto files CommonDigest.h, md32_common.h, md5_locl.h, md5_locl.h, and openssl/md5.h. 5747e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt * The following changes have been made to the original sources: 5847e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt * replaced CC_LONG w/ mDNSu32 5947e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt * replaced CC_MD5* with MD5* 6047e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt * replaced CC_LONG w/ mDNSu32, removed conditional #defines from md5.h 6147e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt * removed extern decls for MD5_Init/Update/Final from CommonDigest.h 6247e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt * removed APPLE_COMMON_DIGEST specific #defines from md5_locl.h 6347e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt * 6447e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt * Note: machine archetecure specific conditionals from the original sources are turned off, but are left in the code 6547e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt * to aid in platform-specific optimizations and debugging. 6647e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt * Sources originally distributed under the following license headers: 6747e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt * CommonDigest.h - APSL 6847e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt * 6947e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt * md32_Common.h 7047e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt * ==================================================================== 7147e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt * Copyright (c) 1999-2002 The OpenSSL Project. All rights reserved. 7247e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt * 7347e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt * Redistribution and use in source and binary forms, with or without 7447e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt * modification, are permitted provided that the following conditions 7547e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt * are met: 7647e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt * 7747e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt * 1. Redistributions of source code must retain the above copyright 7847e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt * notice, this list of conditions and the following disclaimer. 7947e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt * 8047e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt * 2. Redistributions in binary form must reproduce the above copyright 8147e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt * notice, this list of conditions and the following disclaimer in 8247e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt * the documentation and/or other materials provided with the 8347e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt * distribution. 8447e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt * 8547e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt * 3. All advertising materials mentioning features or use of this 8647e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt * software must display the following acknowledgment: 8747e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt * "This product includes software developed by the OpenSSL Project 8847e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt * for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)" 8947e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt * 9047e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to 9147e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt * endorse or promote products derived from this software without 9247e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt * prior written permission. For written permission, please contact 9347e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt * licensing@OpenSSL.org. 9447e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt * 9547e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt * 5. Products derived from this software may not be called "OpenSSL" 9647e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt * nor may "OpenSSL" appear in their names without prior written 9747e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt * permission of the OpenSSL Project. 9847e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt * 9947e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt * 6. Redistributions of any form whatsoever must retain the following 10047e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt * acknowledgment: 10147e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt * "This product includes software developed by the OpenSSL Project 10247e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt * for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)" 10347e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt * 10447e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY 10547e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 10647e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 10747e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR 10847e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 10947e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 11047e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; 11147e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 11247e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, 11347e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 11447e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED 11547e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt * OF THE POSSIBILITY OF SUCH DAMAGE. 11647e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt * 11747e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt * 11847e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt * md5_dgst.c, md5_locl.h 11947e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt * ==================================================================== 12047e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt * 12147e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt * This product includes cryptographic software written by Eric Young 12247e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt * (eay@cryptsoft.com). This product includes software written by Tim 12347e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt * Hudson (tjh@cryptsoft.com). 12447e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt * 12547e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt * Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com) 12647e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt * All rights reserved. 12747e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt * 12847e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt * This package is an SSL implementation written 12947e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt * by Eric Young (eay@cryptsoft.com). 13047e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt * The implementation was written so as to conform with Netscapes SSL. 13147e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt * 13247e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt * This library is free for commercial and non-commercial use as long as 13347e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt * the following conditions are aheared to. The following conditions 13447e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt * apply to all code found in this distribution, be it the RC4, RSA, 13547e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt * lhash, DES, etc., code; not just the SSL code. The SSL documentation 13647e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt * included with this distribution is covered by the same copyright terms 13747e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt * except that the holder is Tim Hudson (tjh@cryptsoft.com). 13847e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt * 13947e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt * Copyright remains Eric Young's, and as such any Copyright notices in 14047e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt * the code are not to be removed. 14147e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt * If this package is used in a product, Eric Young should be given attribution 14247e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt * as the author of the parts of the library used. 14347e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt * This can be in the form of a textual message at program startup or 14447e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt * in documentation (online or textual) provided with the package. 14547e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt * 14647e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt * Redistribution and use in source and binary forms, with or without 14747e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt * modification, are permitted provided that the following conditions 14847e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt * are met: 14947e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt * 1. Redistributions of source code must retain the copyright 15047e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt * notice, this list of conditions and the following disclaimer. 15147e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt * 2. Redistributions in binary form must reproduce the above copyright 15247e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt * notice, this list of conditions and the following disclaimer in the 15347e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt * documentation and/or other materials provided with the distribution. 15447e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt * 3. All advertising materials mentioning features or use of this software 15547e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt * must display the following acknowledgement: 15647e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt * "This product includes cryptographic software written by 15747e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt * Eric Young (eay@cryptsoft.com)" 15847e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt * The word 'cryptographic' can be left out if the rouines from the library 15947e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt * being used are not cryptographic related :-). 16047e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt * 4. If you include any Windows specific code (or a derivative thereof) from 16147e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt * the apps directory (application code) you must include an acknowledgement: 16247e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt * "This product includes software written by Tim Hudson (tjh@cryptsoft.com)" 16347e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt * 16447e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND 16547e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 16647e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 16747e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 16847e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 16947e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 17047e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 17147e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 17247e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 17347e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 17447e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt * SUCH DAMAGE. 17547e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt * 17647e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt * The licence and distribution terms for any publically available version or 17747e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt * derivative of this code cannot be changed. i.e. this code cannot simply be 17847e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt * copied and put under another distribution licence 17947e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt * [including the GNU Public Licence.] 18047e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt * 18147e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt */ 18247e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt 18347e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt//from CommonDigest.h 18447e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt 18547e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt#define MD5_DIGEST_LENGTH 16 /* digest length in bytes */ 18647e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt#define MD5_BLOCK_BYTES 64 /* block size in bytes */ 18747e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt#define MD5_BLOCK_LONG (MD5_BLOCK_BYTES / sizeof(mDNSu32)) 18847e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt 18947e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalttypedef struct MD5state_st 19047e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt{ 19147e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt mDNSu32 A,B,C,D; 19247e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt mDNSu32 Nl,Nh; 19347e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt mDNSu32 data[MD5_BLOCK_LONG]; 19447e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt int num; 19547e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt} MD5_CTX; 19647e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt 1970b6b4e32c36ce143bfd095119b4939e4cf826021Joshua Melcon#ifndef HAVE_MD5 19847e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt 19947e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt// from openssl/md5.h 20047e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt 20147e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt#define MD5_CBLOCK 64 20247e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt#define MD5_LBLOCK (MD5_CBLOCK/4) 20347e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt#define MD5_DIGEST_LENGTH 16 20447e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt 20547e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwaltint MD5_Init(MD5_CTX *c); 20647e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwaltint MD5_Update(MD5_CTX *c, const void *data, unsigned long len); 20747e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwaltint MD5_Final(unsigned char *md, MD5_CTX *c); 20847e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwaltvoid MD5_Transform(MD5_CTX *c, const unsigned char *b); 20947e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt 21047e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt// From md5_locl.h 21147e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt 21247e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt#ifndef MD5_LONG_LOG2 21347e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt#define MD5_LONG_LOG2 2 /* default to 32 bits */ 21447e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt#endif 21547e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt 21647e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt#ifdef MD5_ASM 21747e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt# if defined(__i386) || defined(__i386__) || defined(_M_IX86) || defined(__INTEL__) 21847e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt# define md5_block_host_order md5_block_asm_host_order 21947e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt# elif defined(__sparc) && defined(OPENSSL_SYS_ULTRASPARC) 22047e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt void md5_block_asm_data_order_aligned (MD5_CTX *c, const mDNSu32 *p,int num); 22147e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt# define HASH_BLOCK_DATA_ORDER_ALIGNED md5_block_asm_data_order_aligned 22247e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt# endif 22347e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt#endif 22447e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt 22547e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwaltvoid md5_block_host_order (MD5_CTX *c, const void *p,int num); 22647e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwaltvoid md5_block_data_order (MD5_CTX *c, const void *p,int num); 22747e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt 22847e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt#if defined(__i386) || defined(__i386__) || defined(_M_IX86) || defined(__INTEL__) 22947e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt/* 23047e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt * *_block_host_order is expected to handle aligned data while 23147e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt * *_block_data_order - unaligned. As algorithm and host (x86) 23247e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt * are in this case of the same "endianness" these two are 23347e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt * otherwise indistinguishable. But normally you don't want to 23447e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt * call the same function because unaligned access in places 23547e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt * where alignment is expected is usually a "Bad Thing". Indeed, 23647e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt * on RISCs you get punished with BUS ERROR signal or *severe* 23747e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt * performance degradation. Intel CPUs are in turn perfectly 23847e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt * capable of loading unaligned data without such drastic side 23947e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt * effect. Yes, they say it's slower than aligned load, but no 24047e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt * exception is generated and therefore performance degradation 24147e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt * is *incomparable* with RISCs. What we should weight here is 24247e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt * costs of unaligned access against costs of aligning data. 24347e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt * According to my measurements allowing unaligned access results 24447e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt * in ~9% performance improvement on Pentium II operating at 24547e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt * 266MHz. I won't be surprised if the difference will be higher 24647e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt * on faster systems:-) 24747e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt * 24847e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt * <appro@fy.chalmers.se> 24947e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt */ 25047e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt#define md5_block_data_order md5_block_host_order 25147e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt#endif 25247e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt 25347e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt#define DATA_ORDER_IS_LITTLE_ENDIAN 25447e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt 25547e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt#define HASH_LONG mDNSu32 25647e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt#define HASH_LONG_LOG2 MD5_LONG_LOG2 25747e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt#define HASH_CTX MD5_CTX 25847e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt#define HASH_CBLOCK MD5_CBLOCK 25947e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt#define HASH_LBLOCK MD5_LBLOCK 26047e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt 26147e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt#define HASH_UPDATE MD5_Update 26247e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt#define HASH_TRANSFORM MD5_Transform 26347e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt#define HASH_FINAL MD5_Final 26447e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt 26547e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt#define HASH_MAKE_STRING(c,s) do { \ 26647e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt unsigned long ll; \ 26747e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt ll=(c)->A; HOST_l2c(ll,(s)); \ 26847e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt ll=(c)->B; HOST_l2c(ll,(s)); \ 26947e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt ll=(c)->C; HOST_l2c(ll,(s)); \ 27047e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt ll=(c)->D; HOST_l2c(ll,(s)); \ 27147e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt } while (0) 27247e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt#define HASH_BLOCK_HOST_ORDER md5_block_host_order 27347e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt#if !defined(L_ENDIAN) || defined(md5_block_data_order) 27447e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt#define HASH_BLOCK_DATA_ORDER md5_block_data_order 27547e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt/* 27647e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt * Little-endians (Intel and Alpha) feel better without this. 27747e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt * It looks like memcpy does better job than generic 27847e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt * md5_block_data_order on copying-n-aligning input data. 27947e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt * But frankly speaking I didn't expect such result on Alpha. 28047e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt * On the other hand I've got this with egcs-1.0.2 and if 28147e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt * program is compiled with another (better?) compiler it 28247e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt * might turn out other way around. 28347e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt * 28447e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt * <appro@fy.chalmers.se> 28547e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt */ 28647e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt#endif 28747e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt 28847e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt 28947e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt// from md32_common.h 29047e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt 29147e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt/* 29247e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt * This is a generic 32 bit "collector" for message digest algorithms. 29347e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt * Whenever needed it collects input character stream into chunks of 29447e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt * 32 bit values and invokes a block function that performs actual hash 29547e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt * calculations. 29647e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt * 29747e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt * Porting guide. 29847e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt * 29947e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt * Obligatory macros: 30047e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt * 30147e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt * DATA_ORDER_IS_BIG_ENDIAN or DATA_ORDER_IS_LITTLE_ENDIAN 30247e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt * this macro defines byte order of input stream. 30347e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt * HASH_CBLOCK 30447e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt * size of a unit chunk HASH_BLOCK operates on. 30547e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt * HASH_LONG 30647e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt * has to be at lest 32 bit wide, if it's wider, then 30747e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt * HASH_LONG_LOG2 *has to* be defined along 30847e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt * HASH_CTX 30947e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt * context structure that at least contains following 31047e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt * members: 31147e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt * typedef struct { 31247e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt * ... 31347e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt * HASH_LONG Nl,Nh; 31447e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt * HASH_LONG data[HASH_LBLOCK]; 31547e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt * int num; 31647e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt * ... 31747e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt * } HASH_CTX; 31847e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt * HASH_UPDATE 31947e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt * name of "Update" function, implemented here. 32047e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt * HASH_TRANSFORM 32147e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt * name of "Transform" function, implemented here. 32247e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt * HASH_FINAL 32347e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt * name of "Final" function, implemented here. 32447e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt * HASH_BLOCK_HOST_ORDER 32547e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt * name of "block" function treating *aligned* input message 32647e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt * in host byte order, implemented externally. 32747e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt * HASH_BLOCK_DATA_ORDER 32847e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt * name of "block" function treating *unaligned* input message 32947e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt * in original (data) byte order, implemented externally (it 33047e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt * actually is optional if data and host are of the same 33147e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt * "endianess"). 33247e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt * HASH_MAKE_STRING 33347e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt * macro convering context variables to an ASCII hash string. 33447e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt * 33547e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt * Optional macros: 33647e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt * 33747e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt * B_ENDIAN or L_ENDIAN 33847e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt * defines host byte-order. 33947e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt * HASH_LONG_LOG2 34047e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt * defaults to 2 if not states otherwise. 34147e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt * HASH_LBLOCK 34247e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt * assumed to be HASH_CBLOCK/4 if not stated otherwise. 34347e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt * HASH_BLOCK_DATA_ORDER_ALIGNED 34447e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt * alternative "block" function capable of treating 34547e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt * aligned input message in original (data) order, 34647e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt * implemented externally. 34747e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt * 34847e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt * MD5 example: 34947e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt * 35047e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt * #define DATA_ORDER_IS_LITTLE_ENDIAN 35147e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt * 35247e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt * #define HASH_LONG mDNSu32 35347e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt * #define HASH_LONG_LOG2 mDNSu32_LOG2 35447e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt * #define HASH_CTX MD5_CTX 35547e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt * #define HASH_CBLOCK MD5_CBLOCK 35647e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt * #define HASH_LBLOCK MD5_LBLOCK 35747e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt * #define HASH_UPDATE MD5_Update 35847e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt * #define HASH_TRANSFORM MD5_Transform 35947e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt * #define HASH_FINAL MD5_Final 36047e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt * #define HASH_BLOCK_HOST_ORDER md5_block_host_order 36147e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt * #define HASH_BLOCK_DATA_ORDER md5_block_data_order 36247e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt * 36347e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt * <appro@fy.chalmers.se> 36447e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt */ 36547e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt 36647e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt#if !defined(DATA_ORDER_IS_BIG_ENDIAN) && !defined(DATA_ORDER_IS_LITTLE_ENDIAN) 36747e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt#error "DATA_ORDER must be defined!" 36847e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt#endif 36947e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt 37047e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt#ifndef HASH_CBLOCK 37147e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt#error "HASH_CBLOCK must be defined!" 37247e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt#endif 37347e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt#ifndef HASH_LONG 37447e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt#error "HASH_LONG must be defined!" 37547e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt#endif 37647e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt#ifndef HASH_CTX 37747e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt#error "HASH_CTX must be defined!" 37847e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt#endif 37947e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt 38047e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt#ifndef HASH_UPDATE 38147e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt#error "HASH_UPDATE must be defined!" 38247e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt#endif 38347e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt#ifndef HASH_TRANSFORM 38447e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt#error "HASH_TRANSFORM must be defined!" 38547e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt#endif 38647e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt#ifndef HASH_FINAL 38747e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt#error "HASH_FINAL must be defined!" 38847e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt#endif 38947e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt 39047e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt#ifndef HASH_BLOCK_HOST_ORDER 39147e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt#error "HASH_BLOCK_HOST_ORDER must be defined!" 39247e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt#endif 39347e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt 39447e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt#if 0 39547e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt/* 39647e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt * Moved below as it's required only if HASH_BLOCK_DATA_ORDER_ALIGNED 39747e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt * isn't defined. 39847e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt */ 39947e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt#ifndef HASH_BLOCK_DATA_ORDER 40047e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt#error "HASH_BLOCK_DATA_ORDER must be defined!" 40147e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt#endif 40247e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt#endif 40347e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt 40447e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt#ifndef HASH_LBLOCK 40547e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt#define HASH_LBLOCK (HASH_CBLOCK/4) 40647e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt#endif 40747e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt 40847e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt#ifndef HASH_LONG_LOG2 40947e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt#define HASH_LONG_LOG2 2 41047e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt#endif 41147e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt 41247e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt/* 41347e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt * Engage compiler specific rotate intrinsic function if available. 41447e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt */ 41547e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt#undef ROTATE 41647e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt#ifndef PEDANTIC 41747e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt# if 0 /* defined(_MSC_VER) */ 41847e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt# define ROTATE(a,n) _lrotl(a,n) 41947e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt# elif defined(__MWERKS__) 42047e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt# if defined(__POWERPC__) 42147e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt# define ROTATE(a,n) (unsigned MD32_REG_T)__rlwinm((int)a,n,0,31) 42247e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt# elif defined(__MC68K__) 42347e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt /* Motorola specific tweak. <appro@fy.chalmers.se> */ 42447e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt# define ROTATE(a,n) (n<24 ? __rol(a,n) : __ror(a,32-n)) 42547e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt# else 42647e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt# define ROTATE(a,n) __rol(a,n) 42747e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt# endif 42847e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt# elif defined(__GNUC__) && __GNUC__>=2 && !defined(OPENSSL_NO_ASM) && !defined(OPENSSL_NO_INLINE_ASM) 42947e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt /* 43047e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt * Some GNU C inline assembler templates. Note that these are 43147e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt * rotates by *constant* number of bits! But that's exactly 43247e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt * what we need here... 43347e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt * 43447e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt * <appro@fy.chalmers.se> 43547e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt */ 43647e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt /* 43747e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt * LLVM is more strict about compatibility of types between input & output constraints, 43847e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt * but we want these to be rotations of 32 bits, not 64, so we explicitly drop the 43947e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt * most significant bytes by casting to an unsigned int. 44047e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt */ 44147e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt# if defined(__i386) || defined(__i386__) || defined(__x86_64) || defined(__x86_64__) 44247e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt# define ROTATE(a,n) ({ register unsigned int ret; \ 44347e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt asm ( \ 44447e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt "roll %1,%0" \ 44547e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt : "=r"(ret) \ 44647e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt : "I"(n), "0"((unsigned int)a) \ 44747e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt : "cc"); \ 44847e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt ret; \ 44947e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt }) 45047e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt# elif defined(__powerpc) || defined(__ppc) 45147e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt# define ROTATE(a,n) ({ register unsigned int ret; \ 45247e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt asm ( \ 45347e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt "rlwinm %0,%1,%2,0,31" \ 45447e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt : "=r"(ret) \ 45547e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt : "r"(a), "I"(n)); \ 45647e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt ret; \ 45747e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt }) 45847e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt# endif 45947e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt# endif 46047e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt 46147e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt/* 46247e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt * Engage compiler specific "fetch in reverse byte order" 46347e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt * intrinsic function if available. 46447e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt */ 46547e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt# if defined(__GNUC__) && __GNUC__>=2 && !defined(OPENSSL_NO_ASM) && !defined(OPENSSL_NO_INLINE_ASM) 46647e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt /* some GNU C inline assembler templates by <appro@fy.chalmers.se> */ 46747e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt# if (defined(__i386) || defined(__i386__) || defined(__x86_64) || defined(__x86_64__)) && !defined(I386_ONLY) 46847e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt# define BE_FETCH32(a) ({ register unsigned int l=(a);\ 46947e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt asm ( \ 47047e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt "bswapl %0" \ 47147e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt : "=r"(l) : "0"(l)); \ 47247e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt l; \ 47347e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt }) 47447e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt# elif defined(__powerpc) 47547e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt# define LE_FETCH32(a) ({ register unsigned int l; \ 47647e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt asm ( \ 47747e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt "lwbrx %0,0,%1" \ 47847e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt : "=r"(l) \ 47947e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt : "r"(a)); \ 48047e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt l; \ 48147e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt }) 48247e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt 48347e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt# elif defined(__sparc) && defined(OPENSSL_SYS_ULTRASPARC) 48447e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt# define LE_FETCH32(a) ({ register unsigned int l; \ 48547e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt asm ( \ 48647e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt "lda [%1]#ASI_PRIMARY_LITTLE,%0"\ 48747e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt : "=r"(l) \ 48847e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt : "r"(a)); \ 48947e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt l; \ 49047e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt }) 49147e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt# endif 49247e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt# endif 49347e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt#endif /* PEDANTIC */ 49447e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt 49547e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt#if HASH_LONG_LOG2==2 /* Engage only if sizeof(HASH_LONG)== 4 */ 49647e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt/* A nice byte order reversal from Wei Dai <weidai@eskimo.com> */ 49747e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt#ifdef ROTATE 49847e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt/* 5 instructions with rotate instruction, else 9 */ 49947e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt#define REVERSE_FETCH32(a,l) ( \ 50047e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt l=*(const HASH_LONG *)(a), \ 50147e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt ((ROTATE(l,8)&0x00FF00FF)|(ROTATE((l&0x00FF00FF),24))) \ 50247e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt ) 50347e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt#else 50447e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt/* 6 instructions with rotate instruction, else 8 */ 50547e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt#define REVERSE_FETCH32(a,l) ( \ 50647e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt l=*(const HASH_LONG *)(a), \ 50747e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt l=(((l>>8)&0x00FF00FF)|((l&0x00FF00FF)<<8)), \ 50847e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt ROTATE(l,16) \ 50947e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt ) 51047e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt/* 51147e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt * Originally the middle line started with l=(((l&0xFF00FF00)>>8)|... 51247e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt * It's rewritten as above for two reasons: 51347e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt * - RISCs aren't good at long constants and have to explicitely 51447e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt * compose 'em with several (well, usually 2) instructions in a 51547e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt * register before performing the actual operation and (as you 51647e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt * already realized:-) having same constant should inspire the 51747e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt * compiler to permanently allocate the only register for it; 51847e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt * - most modern CPUs have two ALUs, but usually only one has 51947e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt * circuitry for shifts:-( this minor tweak inspires compiler 52047e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt * to schedule shift instructions in a better way... 52147e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt * 52247e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt * <appro@fy.chalmers.se> 52347e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt */ 52447e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt#endif 52547e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt#endif 52647e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt 52747e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt#ifndef ROTATE 52847e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt#define ROTATE(a,n) (((a)<<(n))|(((a)&0xffffffff)>>(32-(n)))) 52947e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt#endif 53047e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt 53147e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt/* 53247e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt * Make some obvious choices. E.g., HASH_BLOCK_DATA_ORDER_ALIGNED 53347e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt * and HASH_BLOCK_HOST_ORDER ought to be the same if input data 53447e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt * and host are of the same "endianess". It's possible to mask 53547e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt * this with blank #define HASH_BLOCK_DATA_ORDER though... 53647e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt * 53747e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt * <appro@fy.chalmers.se> 53847e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt */ 53947e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt#if defined(B_ENDIAN) 54047e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt# if defined(DATA_ORDER_IS_BIG_ENDIAN) 54147e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt# if !defined(HASH_BLOCK_DATA_ORDER_ALIGNED) && HASH_LONG_LOG2==2 54247e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt# define HASH_BLOCK_DATA_ORDER_ALIGNED HASH_BLOCK_HOST_ORDER 54347e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt# endif 54447e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt# elif defined(DATA_ORDER_IS_LITTLE_ENDIAN) 54547e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt# ifndef HOST_FETCH32 54647e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt# ifdef LE_FETCH32 54747e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt# define HOST_FETCH32(p,l) LE_FETCH32(p) 54847e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt# elif defined(REVERSE_FETCH32) 54947e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt# define HOST_FETCH32(p,l) REVERSE_FETCH32(p,l) 55047e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt# endif 55147e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt# endif 55247e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt# endif 55347e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt#elif defined(L_ENDIAN) 55447e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt# if defined(DATA_ORDER_IS_LITTLE_ENDIAN) 55547e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt# if !defined(HASH_BLOCK_DATA_ORDER_ALIGNED) && HASH_LONG_LOG2==2 55647e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt# define HASH_BLOCK_DATA_ORDER_ALIGNED HASH_BLOCK_HOST_ORDER 55747e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt# endif 55847e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt# elif defined(DATA_ORDER_IS_BIG_ENDIAN) 55947e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt# ifndef HOST_FETCH32 56047e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt# ifdef BE_FETCH32 56147e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt# define HOST_FETCH32(p,l) BE_FETCH32(p) 56247e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt# elif defined(REVERSE_FETCH32) 56347e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt# define HOST_FETCH32(p,l) REVERSE_FETCH32(p,l) 56447e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt# endif 56547e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt# endif 56647e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt# endif 56747e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt#endif 56847e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt 56947e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt#if !defined(HASH_BLOCK_DATA_ORDER_ALIGNED) 57047e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt#ifndef HASH_BLOCK_DATA_ORDER 57147e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt#error "HASH_BLOCK_DATA_ORDER must be defined!" 57247e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt#endif 57347e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt#endif 57447e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt 57547e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt#if defined(DATA_ORDER_IS_BIG_ENDIAN) 57647e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt 57747e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt#define HOST_c2l(c,l) (l =(((unsigned long)(*((c)++)))<<24), \ 57847e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt l|=(((unsigned long)(*((c)++)))<<16), \ 57947e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt l|=(((unsigned long)(*((c)++)))<< 8), \ 58047e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt l|=(((unsigned long)(*((c)++))) ), \ 58147e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt l) 58247e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt#define HOST_p_c2l(c,l,n) { \ 58347e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt switch (n) { \ 58447e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt case 0: l =((unsigned long)(*((c)++)))<<24; \ 58547e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt case 1: l|=((unsigned long)(*((c)++)))<<16; \ 58647e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt case 2: l|=((unsigned long)(*((c)++)))<< 8; \ 58747e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt case 3: l|=((unsigned long)(*((c)++))); \ 58847e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt } } 58947e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt#define HOST_p_c2l_p(c,l,sc,len) { \ 59047e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt switch (sc) { \ 59147e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt case 0: l =((unsigned long)(*((c)++)))<<24; \ 59247e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt if (--len == 0) break; \ 59347e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt case 1: l|=((unsigned long)(*((c)++)))<<16; \ 59447e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt if (--len == 0) break; \ 59547e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt case 2: l|=((unsigned long)(*((c)++)))<< 8; \ 59647e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt } } 59747e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt/* NOTE the pointer is not incremented at the end of this */ 59847e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt#define HOST_c2l_p(c,l,n) { \ 59947e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt l=0; (c)+=n; \ 60047e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt switch (n) { \ 60147e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt case 3: l =((unsigned long)(*(--(c))))<< 8; \ 60247e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt case 2: l|=((unsigned long)(*(--(c))))<<16; \ 60347e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt case 1: l|=((unsigned long)(*(--(c))))<<24; \ 60447e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt } } 60547e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt#define HOST_l2c(l,c) (*((c)++)=(unsigned char)(((l)>>24)&0xff), \ 60647e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt *((c)++)=(unsigned char)(((l)>>16)&0xff), \ 60747e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt *((c)++)=(unsigned char)(((l)>> 8)&0xff), \ 60847e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt *((c)++)=(unsigned char)(((l) )&0xff), \ 60947e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt l) 61047e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt 61147e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt#elif defined(DATA_ORDER_IS_LITTLE_ENDIAN) 61247e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt 61347e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt#define HOST_c2l(c,l) (l =(((unsigned long)(*((c)++))) ), \ 61447e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt l|=(((unsigned long)(*((c)++)))<< 8), \ 61547e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt l|=(((unsigned long)(*((c)++)))<<16), \ 61647e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt l|=(((unsigned long)(*((c)++)))<<24), \ 61747e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt l) 61847e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt#define HOST_p_c2l(c,l,n) { \ 61947e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt switch (n) { \ 62047e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt case 0: l =((unsigned long)(*((c)++))); \ 62147e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt case 1: l|=((unsigned long)(*((c)++)))<< 8; \ 62247e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt case 2: l|=((unsigned long)(*((c)++)))<<16; \ 62347e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt case 3: l|=((unsigned long)(*((c)++)))<<24; \ 62447e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt } } 62547e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt#define HOST_p_c2l_p(c,l,sc,len) { \ 62647e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt switch (sc) { \ 62747e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt case 0: l =((unsigned long)(*((c)++))); \ 62847e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt if (--len == 0) break; \ 62947e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt case 1: l|=((unsigned long)(*((c)++)))<< 8; \ 63047e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt if (--len == 0) break; \ 63147e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt case 2: l|=((unsigned long)(*((c)++)))<<16; \ 63247e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt } } 63347e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt/* NOTE the pointer is not incremented at the end of this */ 63447e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt#define HOST_c2l_p(c,l,n) { \ 63547e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt l=0; (c)+=n; \ 63647e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt switch (n) { \ 63747e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt case 3: l =((unsigned long)(*(--(c))))<<16; \ 63847e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt case 2: l|=((unsigned long)(*(--(c))))<< 8; \ 63947e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt case 1: l|=((unsigned long)(*(--(c)))); \ 64047e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt } } 64147e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt#define HOST_l2c(l,c) (*((c)++)=(unsigned char)(((l) )&0xff), \ 64247e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt *((c)++)=(unsigned char)(((l)>> 8)&0xff), \ 64347e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt *((c)++)=(unsigned char)(((l)>>16)&0xff), \ 64447e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt *((c)++)=(unsigned char)(((l)>>24)&0xff), \ 64547e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt l) 64647e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt 64747e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt#endif 64847e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt 64947e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt/* 65047e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt * Time for some action:-) 65147e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt */ 65247e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt 65347e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwaltint HASH_UPDATE (HASH_CTX *c, const void *data_, unsigned long len) 65447e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt { 65547e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt const unsigned char *data=(const unsigned char *)data_; 65647e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt register HASH_LONG * p; 65747e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt register unsigned long l; 65847e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt int sw,sc,ew,ec; 65947e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt 66047e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt if (len==0) return 1; 66147e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt 66247e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt l=(c->Nl+(len<<3))&0xffffffffL; 66347e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt /* 95-05-24 eay Fixed a bug with the overflow handling, thanks to 66447e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt * Wei Dai <weidai@eskimo.com> for pointing it out. */ 66547e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt if (l < c->Nl) /* overflow */ 66647e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt c->Nh++; 66747e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt c->Nh+=(len>>29); 66847e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt c->Nl=l; 66947e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt 67047e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt if (c->num != 0) 67147e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt { 67247e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt p=c->data; 67347e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt sw=c->num>>2; 67447e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt sc=c->num&0x03; 67547e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt 67647e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt if ((c->num+len) >= HASH_CBLOCK) 67747e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt { 67847e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt l=p[sw]; HOST_p_c2l(data,l,sc); p[sw++]=l; 67947e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt for (; sw<HASH_LBLOCK; sw++) 68047e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt { 68147e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt HOST_c2l(data,l); p[sw]=l; 68247e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt } 68347e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt HASH_BLOCK_HOST_ORDER (c,p,1); 68447e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt len-=(HASH_CBLOCK-c->num); 68547e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt c->num=0; 68647e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt /* drop through and do the rest */ 68747e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt } 68847e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt else 68947e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt { 69047e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt c->num+=len; 69147e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt if ((sc+len) < 4) /* ugly, add char's to a word */ 69247e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt { 69347e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt l=p[sw]; HOST_p_c2l_p(data,l,sc,len); p[sw]=l; 69447e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt } 69547e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt else 69647e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt { 69747e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt ew=(c->num>>2); 69847e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt ec=(c->num&0x03); 69947e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt if (sc) 70047e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt l=p[sw]; 70147e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt HOST_p_c2l(data,l,sc); 70247e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt p[sw++]=l; 70347e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt for (; sw < ew; sw++) 70447e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt { 70547e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt HOST_c2l(data,l); p[sw]=l; 70647e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt } 70747e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt if (ec) 70847e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt { 70947e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt HOST_c2l_p(data,l,ec); p[sw]=l; 71047e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt } 71147e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt } 71247e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt return 1; 71347e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt } 71447e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt } 71547e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt 71647e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt sw=(int)(len/HASH_CBLOCK); 71747e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt if (sw > 0) 71847e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt { 71947e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt#if defined(HASH_BLOCK_DATA_ORDER_ALIGNED) 72047e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt /* 72147e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt * Note that HASH_BLOCK_DATA_ORDER_ALIGNED gets defined 72247e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt * only if sizeof(HASH_LONG)==4. 72347e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt */ 72447e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt if ((((unsigned long)data)%4) == 0) 72547e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt { 72647e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt /* data is properly aligned so that we can cast it: */ 72747e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt HASH_BLOCK_DATA_ORDER_ALIGNED (c,(HASH_LONG *)data,sw); 72847e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt sw*=HASH_CBLOCK; 72947e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt data+=sw; 73047e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt len-=sw; 73147e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt } 73247e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt else 73347e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt#if !defined(HASH_BLOCK_DATA_ORDER) 73447e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt while (sw--) 73547e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt { 73647e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt mDNSPlatformMemCopy(p=c->data,data,HASH_CBLOCK); 73747e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt HASH_BLOCK_DATA_ORDER_ALIGNED(c,p,1); 73847e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt data+=HASH_CBLOCK; 73947e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt len-=HASH_CBLOCK; 74047e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt } 74147e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt#endif 74247e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt#endif 74347e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt#if defined(HASH_BLOCK_DATA_ORDER) 74447e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt { 74547e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt HASH_BLOCK_DATA_ORDER(c,data,sw); 74647e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt sw*=HASH_CBLOCK; 74747e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt data+=sw; 74847e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt len-=sw; 74947e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt } 75047e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt#endif 75147e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt } 75247e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt 75347e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt if (len!=0) 75447e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt { 75547e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt p = c->data; 75647e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt c->num = (int)len; 75747e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt ew=(int)(len>>2); /* words to copy */ 75847e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt ec=(int)(len&0x03); 75947e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt for (; ew; ew--,p++) 76047e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt { 76147e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt HOST_c2l(data,l); *p=l; 76247e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt } 76347e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt HOST_c2l_p(data,l,ec); 76447e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt *p=l; 76547e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt } 76647e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt return 1; 76747e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt } 76847e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt 76947e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt 77047e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwaltvoid HASH_TRANSFORM (HASH_CTX *c, const unsigned char *data) 77147e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt { 77247e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt#if defined(HASH_BLOCK_DATA_ORDER_ALIGNED) 77347e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt if ((((unsigned long)data)%4) == 0) 77447e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt /* data is properly aligned so that we can cast it: */ 77547e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt HASH_BLOCK_DATA_ORDER_ALIGNED (c,(HASH_LONG *)data,1); 77647e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt else 77747e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt#if !defined(HASH_BLOCK_DATA_ORDER) 77847e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt { 77947e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt mDNSPlatformMemCopy(c->data,data,HASH_CBLOCK); 78047e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt HASH_BLOCK_DATA_ORDER_ALIGNED (c,c->data,1); 78147e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt } 78247e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt#endif 78347e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt#endif 78447e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt#if defined(HASH_BLOCK_DATA_ORDER) 78547e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt HASH_BLOCK_DATA_ORDER (c,data,1); 78647e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt#endif 78747e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt } 78847e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt 78947e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt 79047e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwaltint HASH_FINAL (unsigned char *md, HASH_CTX *c) 79147e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt { 79247e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt register HASH_LONG *p; 79347e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt register unsigned long l; 79447e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt register int i,j; 79547e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt static const unsigned char end[4]={0x80,0x00,0x00,0x00}; 79647e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt const unsigned char *cp=end; 79747e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt 79847e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt /* c->num should definitly have room for at least one more byte. */ 79947e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt p=c->data; 80047e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt i=c->num>>2; 80147e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt j=c->num&0x03; 80247e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt 80347e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt#if 0 80447e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt /* purify often complains about the following line as an 80547e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt * Uninitialized Memory Read. While this can be true, the 80647e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt * following p_c2l macro will reset l when that case is true. 80747e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt * This is because j&0x03 contains the number of 'valid' bytes 80847e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt * already in p[i]. If and only if j&0x03 == 0, the UMR will 80947e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt * occur but this is also the only time p_c2l will do 81047e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt * l= *(cp++) instead of l|= *(cp++) 81147e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt * Many thanks to Alex Tang <altitude@cic.net> for pickup this 81247e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt * 'potential bug' */ 81347e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt#ifdef PURIFY 81447e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt if (j==0) p[i]=0; /* Yeah, but that's not the way to fix it:-) */ 81547e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt#endif 81647e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt l=p[i]; 81747e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt#else 81847e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt l = (j==0) ? 0 : p[i]; 81947e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt#endif 82047e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt HOST_p_c2l(cp,l,j); p[i++]=l; /* i is the next 'undefined word' */ 82147e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt 82247e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt if (i>(HASH_LBLOCK-2)) /* save room for Nl and Nh */ 82347e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt { 82447e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt if (i<HASH_LBLOCK) p[i]=0; 82547e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt HASH_BLOCK_HOST_ORDER (c,p,1); 82647e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt i=0; 82747e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt } 82847e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt for (; i<(HASH_LBLOCK-2); i++) 82947e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt p[i]=0; 83047e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt 83147e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt#if defined(DATA_ORDER_IS_BIG_ENDIAN) 83247e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt p[HASH_LBLOCK-2]=c->Nh; 83347e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt p[HASH_LBLOCK-1]=c->Nl; 83447e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt#elif defined(DATA_ORDER_IS_LITTLE_ENDIAN) 83547e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt p[HASH_LBLOCK-2]=c->Nl; 83647e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt p[HASH_LBLOCK-1]=c->Nh; 83747e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt#endif 83847e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt HASH_BLOCK_HOST_ORDER (c,p,1); 83947e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt 84047e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt#ifndef HASH_MAKE_STRING 84147e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt#error "HASH_MAKE_STRING must be defined!" 84247e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt#else 84347e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt HASH_MAKE_STRING(c,md); 84447e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt#endif 84547e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt 84647e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt c->num=0; 84747e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt /* clear stuff, HASH_BLOCK may be leaving some stuff on the stack 84847e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt * but I'm not worried :-) 84947e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt OPENSSL_cleanse((void *)c,sizeof(HASH_CTX)); 85047e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt */ 85147e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt return 1; 85247e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt } 85347e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt 85447e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt#ifndef MD32_REG_T 85547e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt#define MD32_REG_T long 85647e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt/* 85747e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt * This comment was originaly written for MD5, which is why it 85847e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt * discusses A-D. But it basically applies to all 32-bit digests, 85947e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt * which is why it was moved to common header file. 86047e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt * 86147e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt * In case you wonder why A-D are declared as long and not 86247e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt * as mDNSu32. Doing so results in slight performance 86347e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt * boost on LP64 architectures. The catch is we don't 86447e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt * really care if 32 MSBs of a 64-bit register get polluted 86547e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt * with eventual overflows as we *save* only 32 LSBs in 86647e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt * *either* case. Now declaring 'em long excuses the compiler 86747e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt * from keeping 32 MSBs zeroed resulting in 13% performance 86847e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt * improvement under SPARC Solaris7/64 and 5% under AlphaLinux. 86947e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt * Well, to be honest it should say that this *prevents* 87047e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt * performance degradation. 87147e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt * <appro@fy.chalmers.se> 87247e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt * Apparently there're LP64 compilers that generate better 87347e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt * code if A-D are declared int. Most notably GCC-x86_64 87447e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt * generates better code. 87547e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt * <appro@fy.chalmers.se> 87647e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt */ 87747e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt#endif 87847e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt 87947e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt 88047e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt// from md5_locl.h (continued) 88147e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt 88247e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt/* 88347e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt#define F(x,y,z) (((x) & (y)) | ((~(x)) & (z))) 88447e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt#define G(x,y,z) (((x) & (z)) | ((y) & (~(z)))) 88547e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt*/ 88647e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt 88747e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt/* As pointed out by Wei Dai <weidai@eskimo.com>, the above can be 88847e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt * simplified to the code below. Wei attributes these optimizations 88947e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt * to Peter Gutmann's SHS code, and he attributes it to Rich Schroeppel. 89047e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt */ 89147e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt#define F(b,c,d) ((((c) ^ (d)) & (b)) ^ (d)) 89247e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt#define G(b,c,d) ((((b) ^ (c)) & (d)) ^ (c)) 89347e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt#define H(b,c,d) ((b) ^ (c) ^ (d)) 89447e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt#define I(b,c,d) (((~(d)) | (b)) ^ (c)) 89547e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt 89647e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt#define R0(a,b,c,d,k,s,t) { \ 89747e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt a+=((k)+(t)+F((b),(c),(d))); \ 89847e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt a=ROTATE(a,s); \ 89947e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt a+=b; };\ 90047e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt 90147e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt#define R1(a,b,c,d,k,s,t) { \ 90247e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt a+=((k)+(t)+G((b),(c),(d))); \ 90347e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt a=ROTATE(a,s); \ 90447e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt a+=b; }; 90547e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt 90647e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt#define R2(a,b,c,d,k,s,t) { \ 90747e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt a+=((k)+(t)+H((b),(c),(d))); \ 90847e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt a=ROTATE(a,s); \ 90947e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt a+=b; }; 91047e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt 91147e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt#define R3(a,b,c,d,k,s,t) { \ 91247e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt a+=((k)+(t)+I((b),(c),(d))); \ 91347e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt a=ROTATE(a,s); \ 91447e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt a+=b; }; 91547e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt 91647e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt// from md5_dgst.c 91747e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt 91847e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt 91947e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt/* Implemented from RFC1321 The MD5 Message-Digest Algorithm 92047e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt */ 92147e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt 92247e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt#define INIT_DATA_A (unsigned long)0x67452301L 92347e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt#define INIT_DATA_B (unsigned long)0xefcdab89L 92447e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt#define INIT_DATA_C (unsigned long)0x98badcfeL 92547e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt#define INIT_DATA_D (unsigned long)0x10325476L 92647e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt 92747e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwaltint MD5_Init(MD5_CTX *c) 92847e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt { 92947e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt c->A=INIT_DATA_A; 93047e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt c->B=INIT_DATA_B; 93147e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt c->C=INIT_DATA_C; 93247e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt c->D=INIT_DATA_D; 93347e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt c->Nl=0; 93447e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt c->Nh=0; 93547e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt c->num=0; 93647e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt return 1; 93747e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt } 93847e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt 93947e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt#ifndef md5_block_host_order 94047e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwaltvoid md5_block_host_order (MD5_CTX *c, const void *data, int num) 94147e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt { 94247e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt const mDNSu32 *X=(const mDNSu32 *)data; 94347e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt register unsigned MD32_REG_T A,B,C,D; 94447e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt 94547e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt A=c->A; 94647e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt B=c->B; 94747e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt C=c->C; 94847e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt D=c->D; 94947e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt 95047e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt for (;num--;X+=HASH_LBLOCK) 95147e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt { 95247e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt /* Round 0 */ 95347e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt R0(A,B,C,D,X[ 0], 7,0xd76aa478L); 95447e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt R0(D,A,B,C,X[ 1],12,0xe8c7b756L); 95547e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt R0(C,D,A,B,X[ 2],17,0x242070dbL); 95647e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt R0(B,C,D,A,X[ 3],22,0xc1bdceeeL); 95747e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt R0(A,B,C,D,X[ 4], 7,0xf57c0fafL); 95847e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt R0(D,A,B,C,X[ 5],12,0x4787c62aL); 95947e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt R0(C,D,A,B,X[ 6],17,0xa8304613L); 96047e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt R0(B,C,D,A,X[ 7],22,0xfd469501L); 96147e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt R0(A,B,C,D,X[ 8], 7,0x698098d8L); 96247e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt R0(D,A,B,C,X[ 9],12,0x8b44f7afL); 96347e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt R0(C,D,A,B,X[10],17,0xffff5bb1L); 96447e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt R0(B,C,D,A,X[11],22,0x895cd7beL); 96547e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt R0(A,B,C,D,X[12], 7,0x6b901122L); 96647e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt R0(D,A,B,C,X[13],12,0xfd987193L); 96747e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt R0(C,D,A,B,X[14],17,0xa679438eL); 96847e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt R0(B,C,D,A,X[15],22,0x49b40821L); 96947e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt /* Round 1 */ 97047e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt R1(A,B,C,D,X[ 1], 5,0xf61e2562L); 97147e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt R1(D,A,B,C,X[ 6], 9,0xc040b340L); 97247e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt R1(C,D,A,B,X[11],14,0x265e5a51L); 97347e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt R1(B,C,D,A,X[ 0],20,0xe9b6c7aaL); 97447e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt R1(A,B,C,D,X[ 5], 5,0xd62f105dL); 97547e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt R1(D,A,B,C,X[10], 9,0x02441453L); 97647e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt R1(C,D,A,B,X[15],14,0xd8a1e681L); 97747e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt R1(B,C,D,A,X[ 4],20,0xe7d3fbc8L); 97847e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt R1(A,B,C,D,X[ 9], 5,0x21e1cde6L); 97947e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt R1(D,A,B,C,X[14], 9,0xc33707d6L); 98047e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt R1(C,D,A,B,X[ 3],14,0xf4d50d87L); 98147e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt R1(B,C,D,A,X[ 8],20,0x455a14edL); 98247e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt R1(A,B,C,D,X[13], 5,0xa9e3e905L); 98347e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt R1(D,A,B,C,X[ 2], 9,0xfcefa3f8L); 98447e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt R1(C,D,A,B,X[ 7],14,0x676f02d9L); 98547e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt R1(B,C,D,A,X[12],20,0x8d2a4c8aL); 98647e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt /* Round 2 */ 98747e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt R2(A,B,C,D,X[ 5], 4,0xfffa3942L); 98847e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt R2(D,A,B,C,X[ 8],11,0x8771f681L); 98947e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt R2(C,D,A,B,X[11],16,0x6d9d6122L); 99047e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt R2(B,C,D,A,X[14],23,0xfde5380cL); 99147e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt R2(A,B,C,D,X[ 1], 4,0xa4beea44L); 99247e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt R2(D,A,B,C,X[ 4],11,0x4bdecfa9L); 99347e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt R2(C,D,A,B,X[ 7],16,0xf6bb4b60L); 99447e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt R2(B,C,D,A,X[10],23,0xbebfbc70L); 99547e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt R2(A,B,C,D,X[13], 4,0x289b7ec6L); 99647e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt R2(D,A,B,C,X[ 0],11,0xeaa127faL); 99747e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt R2(C,D,A,B,X[ 3],16,0xd4ef3085L); 99847e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt R2(B,C,D,A,X[ 6],23,0x04881d05L); 99947e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt R2(A,B,C,D,X[ 9], 4,0xd9d4d039L); 100047e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt R2(D,A,B,C,X[12],11,0xe6db99e5L); 100147e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt R2(C,D,A,B,X[15],16,0x1fa27cf8L); 100247e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt R2(B,C,D,A,X[ 2],23,0xc4ac5665L); 100347e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt /* Round 3 */ 100447e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt R3(A,B,C,D,X[ 0], 6,0xf4292244L); 100547e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt R3(D,A,B,C,X[ 7],10,0x432aff97L); 100647e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt R3(C,D,A,B,X[14],15,0xab9423a7L); 100747e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt R3(B,C,D,A,X[ 5],21,0xfc93a039L); 100847e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt R3(A,B,C,D,X[12], 6,0x655b59c3L); 100947e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt R3(D,A,B,C,X[ 3],10,0x8f0ccc92L); 101047e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt R3(C,D,A,B,X[10],15,0xffeff47dL); 101147e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt R3(B,C,D,A,X[ 1],21,0x85845dd1L); 101247e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt R3(A,B,C,D,X[ 8], 6,0x6fa87e4fL); 101347e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt R3(D,A,B,C,X[15],10,0xfe2ce6e0L); 101447e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt R3(C,D,A,B,X[ 6],15,0xa3014314L); 101547e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt R3(B,C,D,A,X[13],21,0x4e0811a1L); 101647e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt R3(A,B,C,D,X[ 4], 6,0xf7537e82L); 101747e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt R3(D,A,B,C,X[11],10,0xbd3af235L); 101847e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt R3(C,D,A,B,X[ 2],15,0x2ad7d2bbL); 101947e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt R3(B,C,D,A,X[ 9],21,0xeb86d391L); 102047e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt 102147e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt A = c->A += A; 102247e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt B = c->B += B; 102347e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt C = c->C += C; 102447e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt D = c->D += D; 102547e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt } 102647e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt } 102747e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt#endif 102847e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt 102947e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt#ifndef md5_block_data_order 103047e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt#ifdef X 103147e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt#undef X 103247e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt#endif 103347e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwaltvoid md5_block_data_order (MD5_CTX *c, const void *data_, int num) 103447e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt { 103547e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt const unsigned char *data=data_; 103647e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt register unsigned MD32_REG_T A,B,C,D,l; 103747e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt#ifndef MD32_XARRAY 103847e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt /* See comment in crypto/sha/sha_locl.h for details. */ 103947e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt unsigned MD32_REG_T XX0, XX1, XX2, XX3, XX4, XX5, XX6, XX7, 104047e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt XX8, XX9,XX10,XX11,XX12,XX13,XX14,XX15; 104147e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt# define X(i) XX##i 104247e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt#else 104347e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt mDNSu32 XX[MD5_LBLOCK]; 104447e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt# define X(i) XX[i] 104547e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt#endif 104647e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt 104747e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt A=c->A; 104847e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt B=c->B; 104947e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt C=c->C; 105047e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt D=c->D; 105147e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt 105247e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt for (;num--;) 105347e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt { 105447e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt HOST_c2l(data,l); X( 0)=l; HOST_c2l(data,l); X( 1)=l; 105547e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt /* Round 0 */ 105647e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt R0(A,B,C,D,X( 0), 7,0xd76aa478L); HOST_c2l(data,l); X( 2)=l; 105747e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt R0(D,A,B,C,X( 1),12,0xe8c7b756L); HOST_c2l(data,l); X( 3)=l; 105847e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt R0(C,D,A,B,X( 2),17,0x242070dbL); HOST_c2l(data,l); X( 4)=l; 105947e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt R0(B,C,D,A,X( 3),22,0xc1bdceeeL); HOST_c2l(data,l); X( 5)=l; 106047e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt R0(A,B,C,D,X( 4), 7,0xf57c0fafL); HOST_c2l(data,l); X( 6)=l; 106147e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt R0(D,A,B,C,X( 5),12,0x4787c62aL); HOST_c2l(data,l); X( 7)=l; 106247e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt R0(C,D,A,B,X( 6),17,0xa8304613L); HOST_c2l(data,l); X( 8)=l; 106347e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt R0(B,C,D,A,X( 7),22,0xfd469501L); HOST_c2l(data,l); X( 9)=l; 106447e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt R0(A,B,C,D,X( 8), 7,0x698098d8L); HOST_c2l(data,l); X(10)=l; 106547e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt R0(D,A,B,C,X( 9),12,0x8b44f7afL); HOST_c2l(data,l); X(11)=l; 106647e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt R0(C,D,A,B,X(10),17,0xffff5bb1L); HOST_c2l(data,l); X(12)=l; 106747e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt R0(B,C,D,A,X(11),22,0x895cd7beL); HOST_c2l(data,l); X(13)=l; 106847e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt R0(A,B,C,D,X(12), 7,0x6b901122L); HOST_c2l(data,l); X(14)=l; 106947e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt R0(D,A,B,C,X(13),12,0xfd987193L); HOST_c2l(data,l); X(15)=l; 107047e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt R0(C,D,A,B,X(14),17,0xa679438eL); 107147e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt R0(B,C,D,A,X(15),22,0x49b40821L); 107247e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt /* Round 1 */ 107347e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt R1(A,B,C,D,X( 1), 5,0xf61e2562L); 107447e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt R1(D,A,B,C,X( 6), 9,0xc040b340L); 107547e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt R1(C,D,A,B,X(11),14,0x265e5a51L); 107647e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt R1(B,C,D,A,X( 0),20,0xe9b6c7aaL); 107747e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt R1(A,B,C,D,X( 5), 5,0xd62f105dL); 107847e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt R1(D,A,B,C,X(10), 9,0x02441453L); 107947e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt R1(C,D,A,B,X(15),14,0xd8a1e681L); 108047e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt R1(B,C,D,A,X( 4),20,0xe7d3fbc8L); 108147e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt R1(A,B,C,D,X( 9), 5,0x21e1cde6L); 108247e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt R1(D,A,B,C,X(14), 9,0xc33707d6L); 108347e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt R1(C,D,A,B,X( 3),14,0xf4d50d87L); 108447e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt R1(B,C,D,A,X( 8),20,0x455a14edL); 108547e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt R1(A,B,C,D,X(13), 5,0xa9e3e905L); 108647e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt R1(D,A,B,C,X( 2), 9,0xfcefa3f8L); 108747e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt R1(C,D,A,B,X( 7),14,0x676f02d9L); 108847e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt R1(B,C,D,A,X(12),20,0x8d2a4c8aL); 108947e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt /* Round 2 */ 109047e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt R2(A,B,C,D,X( 5), 4,0xfffa3942L); 109147e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt R2(D,A,B,C,X( 8),11,0x8771f681L); 109247e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt R2(C,D,A,B,X(11),16,0x6d9d6122L); 109347e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt R2(B,C,D,A,X(14),23,0xfde5380cL); 109447e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt R2(A,B,C,D,X( 1), 4,0xa4beea44L); 109547e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt R2(D,A,B,C,X( 4),11,0x4bdecfa9L); 109647e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt R2(C,D,A,B,X( 7),16,0xf6bb4b60L); 109747e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt R2(B,C,D,A,X(10),23,0xbebfbc70L); 109847e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt R2(A,B,C,D,X(13), 4,0x289b7ec6L); 109947e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt R2(D,A,B,C,X( 0),11,0xeaa127faL); 110047e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt R2(C,D,A,B,X( 3),16,0xd4ef3085L); 110147e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt R2(B,C,D,A,X( 6),23,0x04881d05L); 110247e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt R2(A,B,C,D,X( 9), 4,0xd9d4d039L); 110347e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt R2(D,A,B,C,X(12),11,0xe6db99e5L); 110447e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt R2(C,D,A,B,X(15),16,0x1fa27cf8L); 110547e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt R2(B,C,D,A,X( 2),23,0xc4ac5665L); 110647e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt /* Round 3 */ 110747e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt R3(A,B,C,D,X( 0), 6,0xf4292244L); 110847e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt R3(D,A,B,C,X( 7),10,0x432aff97L); 110947e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt R3(C,D,A,B,X(14),15,0xab9423a7L); 111047e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt R3(B,C,D,A,X( 5),21,0xfc93a039L); 111147e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt R3(A,B,C,D,X(12), 6,0x655b59c3L); 111247e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt R3(D,A,B,C,X( 3),10,0x8f0ccc92L); 111347e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt R3(C,D,A,B,X(10),15,0xffeff47dL); 111447e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt R3(B,C,D,A,X( 1),21,0x85845dd1L); 111547e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt R3(A,B,C,D,X( 8), 6,0x6fa87e4fL); 111647e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt R3(D,A,B,C,X(15),10,0xfe2ce6e0L); 111747e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt R3(C,D,A,B,X( 6),15,0xa3014314L); 111847e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt R3(B,C,D,A,X(13),21,0x4e0811a1L); 111947e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt R3(A,B,C,D,X( 4), 6,0xf7537e82L); 112047e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt R3(D,A,B,C,X(11),10,0xbd3af235L); 112147e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt R3(C,D,A,B,X( 2),15,0x2ad7d2bbL); 112247e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt R3(B,C,D,A,X( 9),21,0xeb86d391L); 112347e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt 112447e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt A = c->A += A; 112547e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt B = c->B += B; 112647e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt C = c->C += C; 112747e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt D = c->D += D; 112847e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt } 112947e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt } 113047e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt#endif 113147e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt 11320b6b4e32c36ce143bfd095119b4939e4cf826021Joshua Melcon#endif // !HAVE_MD5 113347e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt 113447e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt // *************************************************************************** 113547e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt#if COMPILER_LIKES_PRAGMA_MARK 113647e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt#pragma mark - base64 -> binary conversion 113747e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt#endif 113847e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt 113947e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwaltstatic const char Base64[] = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/"; 114047e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwaltstatic const char Pad64 = '='; 114147e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt 114247e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt 114347e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt#define mDNSisspace(x) (x == '\t' || x == '\n' || x == '\v' || x == '\f' || x == '\r' || x == ' ') 114447e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt 114547e4cebad7397422144bb03a21f3f7682c062c4aRobert GreenwaltmDNSlocal const char *mDNSstrchr(const char *s, int c) 114647e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt { 114747e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt while (1) 114847e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt { 114947e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt if (c == *s) return s; 115047e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt if (!*s) return mDNSNULL; 115147e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt s++; 115247e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt } 115347e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt } 115447e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt 115547e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt// skips all whitespace anywhere. 115647e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt// converts characters, four at a time, starting at (or after) 115747e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt// src from base - 64 numbers into three 8 bit bytes in the target area. 115847e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt// it returns the number of data bytes stored at the target, or -1 on error. 115947e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt// adapted from BIND sources 116047e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt 116147e4cebad7397422144bb03a21f3f7682c062c4aRobert GreenwaltmDNSlocal mDNSs32 DNSDigest_Base64ToBin(const char *src, mDNSu8 *target, mDNSu32 targsize) 116247e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt { 116347e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt int tarindex, state, ch; 116447e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt const char *pos; 116547e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt 116647e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt state = 0; 116747e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt tarindex = 0; 116847e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt 116947e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt while ((ch = *src++) != '\0') { 117047e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt if (mDNSisspace(ch)) /* Skip whitespace anywhere. */ 117147e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt continue; 117247e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt 117347e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt if (ch == Pad64) 117447e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt break; 117547e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt 117647e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt pos = mDNSstrchr(Base64, ch); 117747e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt if (pos == 0) /* A non-base64 character. */ 117847e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt return (-1); 117947e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt 118047e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt switch (state) { 118147e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt case 0: 118247e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt if (target) { 118347e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt if ((mDNSu32)tarindex >= targsize) 118447e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt return (-1); 118547e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt target[tarindex] = (mDNSu8)((pos - Base64) << 2); 118647e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt } 118747e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt state = 1; 118847e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt break; 118947e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt case 1: 119047e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt if (target) { 119147e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt if ((mDNSu32)tarindex + 1 >= targsize) 119247e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt return (-1); 119347e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt target[tarindex] |= (pos - Base64) >> 4; 119447e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt target[tarindex+1] = (mDNSu8)(((pos - Base64) & 0x0f) << 4); 119547e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt } 119647e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt tarindex++; 119747e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt state = 2; 119847e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt break; 119947e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt case 2: 120047e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt if (target) { 120147e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt if ((mDNSu32)tarindex + 1 >= targsize) 120247e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt return (-1); 120347e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt target[tarindex] |= (pos - Base64) >> 2; 120447e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt target[tarindex+1] = (mDNSu8)(((pos - Base64) & 0x03) << 6); 120547e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt } 120647e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt tarindex++; 120747e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt state = 3; 120847e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt break; 120947e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt case 3: 121047e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt if (target) { 121147e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt if ((mDNSu32)tarindex >= targsize) 121247e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt return (-1); 121347e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt target[tarindex] |= (pos - Base64); 121447e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt } 121547e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt tarindex++; 121647e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt state = 0; 121747e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt break; 121847e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt default: 121947e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt return -1; 122047e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt } 122147e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt } 122247e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt 122347e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt /* 122447e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt * We are done decoding Base-64 chars. Let's see if we ended 122547e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt * on a byte boundary, and/or with erroneous trailing characters. 122647e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt */ 122747e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt 122847e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt if (ch == Pad64) { /* We got a pad char. */ 122947e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt ch = *src++; /* Skip it, get next. */ 123047e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt switch (state) { 123147e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt case 0: /* Invalid = in first position */ 123247e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt case 1: /* Invalid = in second position */ 123347e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt return (-1); 123447e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt 123547e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt case 2: /* Valid, means one byte of info */ 123647e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt /* Skip any number of spaces. */ 123747e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt for ((void)mDNSNULL; ch != '\0'; ch = *src++) 123847e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt if (!mDNSisspace(ch)) 123947e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt break; 124047e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt /* Make sure there is another trailing = sign. */ 124147e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt if (ch != Pad64) 124247e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt return (-1); 124347e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt ch = *src++; /* Skip the = */ 124447e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt /* Fall through to "single trailing =" case. */ 124547e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt /* FALLTHROUGH */ 124647e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt 124747e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt case 3: /* Valid, means two bytes of info */ 124847e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt /* 124947e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt * We know this char is an =. Is there anything but 125047e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt * whitespace after it? 125147e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt */ 125247e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt for ((void)mDNSNULL; ch != '\0'; ch = *src++) 125347e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt if (!mDNSisspace(ch)) 125447e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt return (-1); 125547e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt 125647e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt /* 125747e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt * Now make sure for cases 2 and 3 that the "extra" 125847e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt * bits that slopped past the last full byte were 125947e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt * zeros. If we don't check them, they become a 126047e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt * subliminal channel. 126147e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt */ 126247e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt if (target && target[tarindex] != 0) 126347e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt return (-1); 126447e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt } 126547e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt } else { 126647e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt /* 126747e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt * We ended by seeing the end of the string. Make sure we 126847e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt * have no partial bytes lying around. 126947e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt */ 127047e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt if (state != 0) 127147e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt return (-1); 127247e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt } 127347e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt 127447e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt return (tarindex); 127547e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt } 127647e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt 127747e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt 127847e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt // *************************************************************************** 127947e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt#if COMPILER_LIKES_PRAGMA_MARK 128047e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt#pragma mark - API exported to mDNS Core 128147e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt#endif 128247e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt 128347e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt// Constants 128447e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt#define HMAC_IPAD 0x36 128547e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt#define HMAC_OPAD 0x5c 128647e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt#define MD5_LEN 16 128747e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt 128847e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt#define HMAC_MD5_AlgName (*(const domainname*) "\010" "hmac-md5" "\007" "sig-alg" "\003" "reg" "\003" "int") 128947e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt 129047e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt// Adapted from Appendix, RFC 2104 129147e4cebad7397422144bb03a21f3f7682c062c4aRobert GreenwaltmDNSlocal void DNSDigest_ConstructHMACKey(DomainAuthInfo *info, const mDNSu8 *key, mDNSu32 len) 129247e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt { 129347e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt MD5_CTX k; 129447e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt mDNSu8 buf[MD5_LEN]; 129547e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt int i; 129647e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt 129747e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt // If key is longer than HMAC_LEN reset it to MD5(key) 129847e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt if (len > HMAC_LEN) 129947e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt { 130047e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt MD5_Init(&k); 130147e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt MD5_Update(&k, key, len); 130247e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt MD5_Final(buf, &k); 130347e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt key = buf; 130447e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt len = MD5_LEN; 130547e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt } 130647e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt 130747e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt // store key in pads 130847e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt mDNSPlatformMemZero(info->keydata_ipad, HMAC_LEN); 130947e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt mDNSPlatformMemZero(info->keydata_opad, HMAC_LEN); 131047e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt mDNSPlatformMemCopy(info->keydata_ipad, key, len); 131147e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt mDNSPlatformMemCopy(info->keydata_opad, key, len); 131247e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt 131347e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt // XOR key with ipad and opad values 131447e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt for (i = 0; i < HMAC_LEN; i++) 131547e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt { 131647e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt info->keydata_ipad[i] ^= HMAC_IPAD; 131747e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt info->keydata_opad[i] ^= HMAC_OPAD; 131847e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt } 131947e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt 132047e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt } 132147e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt 132247e4cebad7397422144bb03a21f3f7682c062c4aRobert GreenwaltmDNSexport mDNSs32 DNSDigest_ConstructHMACKeyfromBase64(DomainAuthInfo *info, const char *b64key) 132347e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt { 132447e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt mDNSu8 keybuf[1024]; 132547e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt mDNSs32 keylen = DNSDigest_Base64ToBin(b64key, keybuf, sizeof(keybuf)); 132647e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt if (keylen < 0) return(keylen); 132747e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt DNSDigest_ConstructHMACKey(info, keybuf, (mDNSu32)keylen); 132847e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt return(keylen); 132947e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt } 133047e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt 133147e4cebad7397422144bb03a21f3f7682c062c4aRobert GreenwaltmDNSexport void DNSDigest_SignMessage(DNSMessage *msg, mDNSu8 **end, DomainAuthInfo *info, mDNSu16 tcode) 133247e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt { 133347e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt AuthRecord tsig; 133447e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt mDNSu8 *rdata, *const countPtr = (mDNSu8 *)&msg->h.numAdditionals; // Get existing numAdditionals value 133547e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt mDNSu32 utc32; 133647e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt mDNSu8 utc48[6]; 133747e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt mDNSu8 digest[MD5_LEN]; 133847e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt mDNSu8 *ptr = *end; 133947e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt mDNSu32 len; 134047e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt mDNSOpaque16 buf; 134147e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt MD5_CTX c; 134247e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt mDNSu16 numAdditionals = (mDNSu16)((mDNSu16)countPtr[0] << 8 | countPtr[1]); 134347e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt 134447e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt // Init MD5 context, digest inner key pad and message 134547e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt MD5_Init(&c); 134647e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt MD5_Update(&c, info->keydata_ipad, HMAC_LEN); 134747e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt MD5_Update(&c, (mDNSu8 *)msg, (unsigned long)(*end - (mDNSu8 *)msg)); 134847e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt 134947e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt // Construct TSIG RR, digesting variables as apporpriate 135047e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt mDNS_SetupResourceRecord(&tsig, mDNSNULL, 0, kDNSType_TSIG, 0, kDNSRecordTypeKnownUnique, AuthRecordAny, mDNSNULL, mDNSNULL); 135147e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt 135247e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt // key name 135347e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt AssignDomainName(&tsig.namestorage, &info->keyname); 135447e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt MD5_Update(&c, info->keyname.c, DomainNameLength(&info->keyname)); 135547e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt 135647e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt // class 135747e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt tsig.resrec.rrclass = kDNSQClass_ANY; 135847e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt buf = mDNSOpaque16fromIntVal(kDNSQClass_ANY); 135947e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt MD5_Update(&c, buf.b, sizeof(mDNSOpaque16)); 136047e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt 136147e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt // ttl 136247e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt tsig.resrec.rroriginalttl = 0; 136347e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt MD5_Update(&c, (mDNSu8 *)&tsig.resrec.rroriginalttl, sizeof(tsig.resrec.rroriginalttl)); 136447e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt 136547e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt // alg name 136647e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt AssignDomainName(&tsig.resrec.rdata->u.name, &HMAC_MD5_AlgName); 136747e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt len = DomainNameLength(&HMAC_MD5_AlgName); 136847e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt rdata = tsig.resrec.rdata->u.data + len; 136947e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt MD5_Update(&c, HMAC_MD5_AlgName.c, len); 137047e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt 137147e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt // time 137247e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt // get UTC (universal time), convert to 48-bit unsigned in network byte order 137347e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt utc32 = (mDNSu32)mDNSPlatformUTC(); 137447e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt if (utc32 == (unsigned)-1) { LogMsg("ERROR: DNSDigest_SignMessage - mDNSPlatformUTC returned bad time -1"); *end = mDNSNULL; } 137547e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt utc48[0] = 0; 137647e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt utc48[1] = 0; 137747e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt utc48[2] = (mDNSu8)((utc32 >> 24) & 0xff); 137847e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt utc48[3] = (mDNSu8)((utc32 >> 16) & 0xff); 137947e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt utc48[4] = (mDNSu8)((utc32 >> 8) & 0xff); 138047e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt utc48[5] = (mDNSu8)( utc32 & 0xff); 138147e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt 138247e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt mDNSPlatformMemCopy(rdata, utc48, 6); 138347e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt rdata += 6; 138447e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt MD5_Update(&c, utc48, 6); 138547e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt 138647e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt // 300 sec is fudge recommended in RFC 2485 138747e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt rdata[0] = (mDNSu8)((300 >> 8) & 0xff); 138847e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt rdata[1] = (mDNSu8)( 300 & 0xff); 138947e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt MD5_Update(&c, rdata, sizeof(mDNSOpaque16)); 139047e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt rdata += sizeof(mDNSOpaque16); 139147e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt 139247e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt // digest error (tcode) and other data len (zero) - we'll add them to the rdata later 139347e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt buf.b[0] = (mDNSu8)((tcode >> 8) & 0xff); 139447e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt buf.b[1] = (mDNSu8)( tcode & 0xff); 139547e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt MD5_Update(&c, buf.b, sizeof(mDNSOpaque16)); // error 139647e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt buf.NotAnInteger = 0; 139747e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt MD5_Update(&c, buf.b, sizeof(mDNSOpaque16)); // other data len 139847e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt 139947e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt // finish the message & tsig var hash 140047e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt MD5_Final(digest, &c); 140147e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt 140247e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt // perform outer MD5 (outer key pad, inner digest) 140347e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt MD5_Init(&c); 140447e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt MD5_Update(&c, info->keydata_opad, HMAC_LEN); 140547e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt MD5_Update(&c, digest, MD5_LEN); 140647e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt MD5_Final(digest, &c); 140747e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt 140847e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt // set remaining rdata fields 140947e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt rdata[0] = (mDNSu8)((MD5_LEN >> 8) & 0xff); 141047e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt rdata[1] = (mDNSu8)( MD5_LEN & 0xff); 141147e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt rdata += sizeof(mDNSOpaque16); 141247e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt mDNSPlatformMemCopy(rdata, digest, MD5_LEN); // MAC 141347e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt rdata += MD5_LEN; 141447e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt rdata[0] = msg->h.id.b[0]; // original ID 141547e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt rdata[1] = msg->h.id.b[1]; 141647e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt rdata[2] = (mDNSu8)((tcode >> 8) & 0xff); 141747e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt rdata[3] = (mDNSu8)( tcode & 0xff); 141847e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt rdata[4] = 0; // other data len 141947e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt rdata[5] = 0; 142047e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt rdata += 6; 142147e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt 142247e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt tsig.resrec.rdlength = (mDNSu16)(rdata - tsig.resrec.rdata->u.data); 142347e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt *end = PutResourceRecordTTLJumbo(msg, ptr, &numAdditionals, &tsig.resrec, 0); 142447e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt if (!*end) { LogMsg("ERROR: DNSDigest_SignMessage - could not put TSIG"); *end = mDNSNULL; return; } 142547e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt 142647e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt // Write back updated numAdditionals value 142747e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt countPtr[0] = (mDNSu8)(numAdditionals >> 8); 142847e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt countPtr[1] = (mDNSu8)(numAdditionals & 0xFF); 142947e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt } 143047e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt 143147e4cebad7397422144bb03a21f3f7682c062c4aRobert GreenwaltmDNSexport mDNSBool DNSDigest_VerifyMessage(DNSMessage *msg, mDNSu8 *end, LargeCacheRecord * lcr, DomainAuthInfo *info, mDNSu16 * rcode, mDNSu16 * tcode) 143247e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt { 143347e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt mDNSu8 * ptr = (mDNSu8*) &lcr->r.resrec.rdata->u.data; 143447e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt mDNSs32 now; 143547e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt mDNSs32 then; 143647e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt mDNSu8 thisDigest[MD5_LEN]; 143747e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt mDNSu8 thatDigest[MD5_LEN]; 143847e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt mDNSu32 macsize; 143947e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt mDNSOpaque16 buf; 144047e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt mDNSu8 utc48[6]; 144147e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt mDNSs32 delta; 144247e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt mDNSu16 fudge; 144347e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt domainname * algo; 144447e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt MD5_CTX c; 144547e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt mDNSBool ok = mDNSfalse; 144647e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt 144747e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt // We only support HMAC-MD5 for now 144847e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt 144947e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt algo = (domainname*) ptr; 145047e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt 145147e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt if (!SameDomainName(algo, &HMAC_MD5_AlgName)) 145247e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt { 145347e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt LogMsg("ERROR: DNSDigest_VerifyMessage - TSIG algorithm not supported: %##s", algo->c); 145447e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt *rcode = kDNSFlag1_RC_NotAuth; 145547e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt *tcode = TSIG_ErrBadKey; 145647e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt ok = mDNSfalse; 145747e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt goto exit; 145847e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt } 145947e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt 146047e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt ptr += DomainNameLength(algo); 146147e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt 146247e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt // Check the times 146347e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt 146447e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt now = mDNSPlatformUTC(); 146547e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt if (now == -1) 146647e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt { 146747e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt LogMsg("ERROR: DNSDigest_VerifyMessage - mDNSPlatformUTC returned bad time -1"); 146847e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt *rcode = kDNSFlag1_RC_NotAuth; 146947e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt *tcode = TSIG_ErrBadTime; 147047e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt ok = mDNSfalse; 147147e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt goto exit; 147247e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt } 147347e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt 147447e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt // Get the 48 bit time field, skipping over the first word 147547e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt 147647e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt utc48[0] = *ptr++; 147747e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt utc48[1] = *ptr++; 147847e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt utc48[2] = *ptr++; 147947e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt utc48[3] = *ptr++; 148047e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt utc48[4] = *ptr++; 148147e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt utc48[5] = *ptr++; 148247e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt 148347e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt then = (mDNSs32)NToH32(utc48 + sizeof(mDNSu16)); 148447e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt 148547e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt fudge = NToH16(ptr); 148647e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt 148747e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt ptr += sizeof(mDNSu16); 148847e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt 148947e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt delta = (now > then) ? now - then : then - now; 149047e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt 149147e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt if (delta > fudge) 149247e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt { 149347e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt LogMsg("ERROR: DNSDigest_VerifyMessage - time skew > %d", fudge); 149447e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt *rcode = kDNSFlag1_RC_NotAuth; 149547e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt *tcode = TSIG_ErrBadTime; 149647e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt ok = mDNSfalse; 149747e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt goto exit; 149847e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt } 149947e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt 150047e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt // MAC size 150147e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt 150247e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt macsize = (mDNSu32) NToH16(ptr); 150347e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt 150447e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt ptr += sizeof(mDNSu16); 150547e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt 150647e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt // MAC 150747e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt 150847e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt mDNSPlatformMemCopy(thatDigest, ptr, MD5_LEN); 150947e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt 151047e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt // Init MD5 context, digest inner key pad and message 151147e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt 151247e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt MD5_Init(&c); 151347e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt MD5_Update(&c, info->keydata_ipad, HMAC_LEN); 151447e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt MD5_Update(&c, (mDNSu8*) msg, (unsigned long)(end - (mDNSu8*) msg)); 151547e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt 151647e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt // Key name 151747e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt 151847e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt MD5_Update(&c, lcr->r.resrec.name->c, DomainNameLength(lcr->r.resrec.name)); 151947e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt 152047e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt // Class name 152147e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt 152247e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt buf = mDNSOpaque16fromIntVal(lcr->r.resrec.rrclass); 152347e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt MD5_Update(&c, buf.b, sizeof(mDNSOpaque16)); 152447e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt 152547e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt // TTL 152647e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt 152747e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt MD5_Update(&c, (mDNSu8*) &lcr->r.resrec.rroriginalttl, sizeof(lcr->r.resrec.rroriginalttl)); 152847e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt 152947e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt // Algorithm 153047e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt 153147e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt MD5_Update(&c, algo->c, DomainNameLength(algo)); 153247e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt 153347e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt // Time 153447e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt 153547e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt MD5_Update(&c, utc48, 6); 153647e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt 153747e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt // Fudge 153847e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt 153947e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt buf = mDNSOpaque16fromIntVal(fudge); 154047e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt MD5_Update(&c, buf.b, sizeof(mDNSOpaque16)); 154147e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt 154247e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt // Digest error and other data len (both zero) - we'll add them to the rdata later 154347e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt 154447e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt buf.NotAnInteger = 0; 154547e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt MD5_Update(&c, buf.b, sizeof(mDNSOpaque16)); // error 154647e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt MD5_Update(&c, buf.b, sizeof(mDNSOpaque16)); // other data len 154747e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt 154847e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt // Finish the message & tsig var hash 154947e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt 155047e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt MD5_Final(thisDigest, &c); 155147e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt 155247e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt // perform outer MD5 (outer key pad, inner digest) 155347e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt 155447e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt MD5_Init(&c); 155547e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt MD5_Update(&c, info->keydata_opad, HMAC_LEN); 155647e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt MD5_Update(&c, thisDigest, MD5_LEN); 155747e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt MD5_Final(thisDigest, &c); 155847e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt 155947e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt if (!mDNSPlatformMemSame(thisDigest, thatDigest, MD5_LEN)) 156047e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt { 156147e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt LogMsg("ERROR: DNSDigest_VerifyMessage - bad signature"); 156247e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt *rcode = kDNSFlag1_RC_NotAuth; 156347e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt *tcode = TSIG_ErrBadSig; 156447e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt ok = mDNSfalse; 156547e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt goto exit; 156647e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt } 156747e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt 156847e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt // set remaining rdata fields 156947e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt ok = mDNStrue; 157047e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt 157147e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwaltexit: 157247e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt 157347e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt return ok; 157447e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt } 157547e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt 157647e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt 157747e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt#ifdef __cplusplus 157847e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt} 157947e4cebad7397422144bb03a21f3f7682c062c4aRobert Greenwalt#endif 1580