digest.c revision 98d58bb80c64b02a33662f0ea80351d4a1535267
1656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project/* crypto/evp/digest.c */ 2656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com) 3656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * All rights reserved. 4656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * 5656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * This package is an SSL implementation written 6656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * by Eric Young (eay@cryptsoft.com). 7656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * The implementation was written so as to conform with Netscapes SSL. 8656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * 9656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * This library is free for commercial and non-commercial use as long as 10656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * the following conditions are aheared to. The following conditions 11656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * apply to all code found in this distribution, be it the RC4, RSA, 12656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * lhash, DES, etc., code; not just the SSL code. The SSL documentation 13656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * included with this distribution is covered by the same copyright terms 14656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * except that the holder is Tim Hudson (tjh@cryptsoft.com). 15656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * 16656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * Copyright remains Eric Young's, and as such any Copyright notices in 17656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * the code are not to be removed. 18656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * If this package is used in a product, Eric Young should be given attribution 19656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * as the author of the parts of the library used. 20656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * This can be in the form of a textual message at program startup or 21656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * in documentation (online or textual) provided with the package. 22656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * 23656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * Redistribution and use in source and binary forms, with or without 24656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * modification, are permitted provided that the following conditions 25656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * are met: 26656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * 1. Redistributions of source code must retain the copyright 27656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * notice, this list of conditions and the following disclaimer. 28656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * 2. Redistributions in binary form must reproduce the above copyright 29656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * notice, this list of conditions and the following disclaimer in the 30656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * documentation and/or other materials provided with the distribution. 31656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * 3. All advertising materials mentioning features or use of this software 32656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * must display the following acknowledgement: 33656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * "This product includes cryptographic software written by 34656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * Eric Young (eay@cryptsoft.com)" 35656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * The word 'cryptographic' can be left out if the rouines from the library 36656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * being used are not cryptographic related :-). 37656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * 4. If you include any Windows specific code (or a derivative thereof) from 38656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * the apps directory (application code) you must include an acknowledgement: 39656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * "This product includes software written by Tim Hudson (tjh@cryptsoft.com)" 40656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * 41656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND 42656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 43656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 44656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 45656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 46656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 47656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 48656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 49656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 50656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 51656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * SUCH DAMAGE. 52656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * 53656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * The licence and distribution terms for any publically available version or 54656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * derivative of this code cannot be changed. i.e. this code cannot simply be 55656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * copied and put under another distribution licence 56656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * [including the GNU Public Licence.] 57656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project */ 58656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project/* ==================================================================== 59656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * Copyright (c) 1998-2001 The OpenSSL Project. All rights reserved. 60656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * 61656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * Redistribution and use in source and binary forms, with or without 62656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * modification, are permitted provided that the following conditions 63656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * are met: 64656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * 65656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * 1. Redistributions of source code must retain the above copyright 66656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * notice, this list of conditions and the following disclaimer. 67656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * 68656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * 2. Redistributions in binary form must reproduce the above copyright 69656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * notice, this list of conditions and the following disclaimer in 70656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * the documentation and/or other materials provided with the 71656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * distribution. 72656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * 73656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * 3. All advertising materials mentioning features or use of this 74656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * software must display the following acknowledgment: 75656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * "This product includes software developed by the OpenSSL Project 76656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * for use in the OpenSSL Toolkit. (http://www.openssl.org/)" 77656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * 78656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to 79656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * endorse or promote products derived from this software without 80656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * prior written permission. For written permission, please contact 81656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * openssl-core@openssl.org. 82656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * 83656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * 5. Products derived from this software may not be called "OpenSSL" 84656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * nor may "OpenSSL" appear in their names without prior written 85656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * permission of the OpenSSL Project. 86656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * 87656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * 6. Redistributions of any form whatsoever must retain the following 88656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * acknowledgment: 89656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * "This product includes software developed by the OpenSSL Project 90656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * for use in the OpenSSL Toolkit (http://www.openssl.org/)" 91656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * 92656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY 93656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 94656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 95656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR 96656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 97656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 98656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; 99656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 100656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, 101656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 102656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED 103656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * OF THE POSSIBILITY OF SUCH DAMAGE. 104656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * ==================================================================== 105656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * 106656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * This product includes cryptographic software written by Eric Young 107656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * (eay@cryptsoft.com). This product includes software written by Tim 108656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * Hudson (tjh@cryptsoft.com). 109656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * 110656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project */ 111656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project 112656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project#include <stdio.h> 113656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project#include "cryptlib.h" 114656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project#include <openssl/objects.h> 115656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project#include <openssl/evp.h> 116656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project#ifndef OPENSSL_NO_ENGINE 117656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project#include <openssl/engine.h> 118656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project#endif 119e45f106cb6b47af1f21efe76e933bdea2f5dd1caNagendra Modadugu#include "evp_locl.h" 120656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project 121656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Projectvoid EVP_MD_CTX_init(EVP_MD_CTX *ctx) 122656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project { 123656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project memset(ctx,'\0',sizeof *ctx); 124656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project } 125656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project 126656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source ProjectEVP_MD_CTX *EVP_MD_CTX_create(void) 127656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project { 128656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project EVP_MD_CTX *ctx=OPENSSL_malloc(sizeof *ctx); 129656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project 13098d58bb80c64b02a33662f0ea80351d4a1535267Brian Carlstrom if (ctx) 13198d58bb80c64b02a33662f0ea80351d4a1535267Brian Carlstrom EVP_MD_CTX_init(ctx); 132656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project 133656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project return ctx; 134656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project } 135656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project 136656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Projectint EVP_DigestInit(EVP_MD_CTX *ctx, const EVP_MD *type) 137656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project { 138656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project EVP_MD_CTX_init(ctx); 139656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project return EVP_DigestInit_ex(ctx, type, NULL); 140656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project } 141656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project 142e45f106cb6b47af1f21efe76e933bdea2f5dd1caNagendra Modadugu#ifdef OPENSSL_FIPS 143e45f106cb6b47af1f21efe76e933bdea2f5dd1caNagendra Modadugu 144e45f106cb6b47af1f21efe76e933bdea2f5dd1caNagendra Modadugu/* The purpose of these is to trap programs that attempt to use non FIPS 145e45f106cb6b47af1f21efe76e933bdea2f5dd1caNagendra Modadugu * algorithms in FIPS mode and ignore the errors. 146e45f106cb6b47af1f21efe76e933bdea2f5dd1caNagendra Modadugu */ 147e45f106cb6b47af1f21efe76e933bdea2f5dd1caNagendra Modadugu 148e45f106cb6b47af1f21efe76e933bdea2f5dd1caNagendra Modadugustatic int bad_init(EVP_MD_CTX *ctx) 149e45f106cb6b47af1f21efe76e933bdea2f5dd1caNagendra Modadugu { FIPS_ERROR_IGNORED("Digest init"); return 0;} 150e45f106cb6b47af1f21efe76e933bdea2f5dd1caNagendra Modadugu 151e45f106cb6b47af1f21efe76e933bdea2f5dd1caNagendra Modadugustatic int bad_update(EVP_MD_CTX *ctx,const void *data,size_t count) 152e45f106cb6b47af1f21efe76e933bdea2f5dd1caNagendra Modadugu { FIPS_ERROR_IGNORED("Digest update"); return 0;} 153e45f106cb6b47af1f21efe76e933bdea2f5dd1caNagendra Modadugu 154e45f106cb6b47af1f21efe76e933bdea2f5dd1caNagendra Modadugustatic int bad_final(EVP_MD_CTX *ctx,unsigned char *md) 155e45f106cb6b47af1f21efe76e933bdea2f5dd1caNagendra Modadugu { FIPS_ERROR_IGNORED("Digest Final"); return 0;} 156e45f106cb6b47af1f21efe76e933bdea2f5dd1caNagendra Modadugu 157e45f106cb6b47af1f21efe76e933bdea2f5dd1caNagendra Modadugustatic const EVP_MD bad_md = 158656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project { 159e45f106cb6b47af1f21efe76e933bdea2f5dd1caNagendra Modadugu 0, 160e45f106cb6b47af1f21efe76e933bdea2f5dd1caNagendra Modadugu 0, 161e45f106cb6b47af1f21efe76e933bdea2f5dd1caNagendra Modadugu 0, 162e45f106cb6b47af1f21efe76e933bdea2f5dd1caNagendra Modadugu 0, 163e45f106cb6b47af1f21efe76e933bdea2f5dd1caNagendra Modadugu bad_init, 164e45f106cb6b47af1f21efe76e933bdea2f5dd1caNagendra Modadugu bad_update, 165e45f106cb6b47af1f21efe76e933bdea2f5dd1caNagendra Modadugu bad_final, 166e45f106cb6b47af1f21efe76e933bdea2f5dd1caNagendra Modadugu NULL, 167e45f106cb6b47af1f21efe76e933bdea2f5dd1caNagendra Modadugu NULL, 168e45f106cb6b47af1f21efe76e933bdea2f5dd1caNagendra Modadugu NULL, 169e45f106cb6b47af1f21efe76e933bdea2f5dd1caNagendra Modadugu 0, 170e45f106cb6b47af1f21efe76e933bdea2f5dd1caNagendra Modadugu {0,0,0,0}, 171e45f106cb6b47af1f21efe76e933bdea2f5dd1caNagendra Modadugu }; 172e45f106cb6b47af1f21efe76e933bdea2f5dd1caNagendra Modadugu 173e45f106cb6b47af1f21efe76e933bdea2f5dd1caNagendra Modadugu#endif 174e45f106cb6b47af1f21efe76e933bdea2f5dd1caNagendra Modadugu 175656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project#ifndef OPENSSL_NO_ENGINE 176e45f106cb6b47af1f21efe76e933bdea2f5dd1caNagendra Modadugu 177e45f106cb6b47af1f21efe76e933bdea2f5dd1caNagendra Modadugu#ifdef OPENSSL_FIPS 178e45f106cb6b47af1f21efe76e933bdea2f5dd1caNagendra Modadugu 179e45f106cb6b47af1f21efe76e933bdea2f5dd1caNagendra Modadugustatic int do_engine_null(ENGINE *impl) { return 0;} 180e45f106cb6b47af1f21efe76e933bdea2f5dd1caNagendra Modadugustatic int do_evp_md_engine_null(EVP_MD_CTX *ctx, 181e45f106cb6b47af1f21efe76e933bdea2f5dd1caNagendra Modadugu const EVP_MD **ptype, ENGINE *impl) 182e45f106cb6b47af1f21efe76e933bdea2f5dd1caNagendra Modadugu { return 1; } 183e45f106cb6b47af1f21efe76e933bdea2f5dd1caNagendra Modadugu 184e45f106cb6b47af1f21efe76e933bdea2f5dd1caNagendra Modadugustatic int (*do_engine_init)(ENGINE *impl) 185e45f106cb6b47af1f21efe76e933bdea2f5dd1caNagendra Modadugu = do_engine_null; 186e45f106cb6b47af1f21efe76e933bdea2f5dd1caNagendra Modadugu 187e45f106cb6b47af1f21efe76e933bdea2f5dd1caNagendra Modadugustatic int (*do_engine_finish)(ENGINE *impl) 188e45f106cb6b47af1f21efe76e933bdea2f5dd1caNagendra Modadugu = do_engine_null; 189e45f106cb6b47af1f21efe76e933bdea2f5dd1caNagendra Modadugu 190e45f106cb6b47af1f21efe76e933bdea2f5dd1caNagendra Modadugustatic int (*do_evp_md_engine) 191e45f106cb6b47af1f21efe76e933bdea2f5dd1caNagendra Modadugu (EVP_MD_CTX *ctx, const EVP_MD **ptype, ENGINE *impl) 192e45f106cb6b47af1f21efe76e933bdea2f5dd1caNagendra Modadugu = do_evp_md_engine_null; 193e45f106cb6b47af1f21efe76e933bdea2f5dd1caNagendra Modadugu 194e45f106cb6b47af1f21efe76e933bdea2f5dd1caNagendra Modaduguvoid int_EVP_MD_set_engine_callbacks( 195e45f106cb6b47af1f21efe76e933bdea2f5dd1caNagendra Modadugu int (*eng_md_init)(ENGINE *impl), 196e45f106cb6b47af1f21efe76e933bdea2f5dd1caNagendra Modadugu int (*eng_md_fin)(ENGINE *impl), 197e45f106cb6b47af1f21efe76e933bdea2f5dd1caNagendra Modadugu int (*eng_md_evp) 198e45f106cb6b47af1f21efe76e933bdea2f5dd1caNagendra Modadugu (EVP_MD_CTX *ctx, const EVP_MD **ptype, ENGINE *impl)) 199e45f106cb6b47af1f21efe76e933bdea2f5dd1caNagendra Modadugu { 200e45f106cb6b47af1f21efe76e933bdea2f5dd1caNagendra Modadugu do_engine_init = eng_md_init; 201e45f106cb6b47af1f21efe76e933bdea2f5dd1caNagendra Modadugu do_engine_finish = eng_md_fin; 202e45f106cb6b47af1f21efe76e933bdea2f5dd1caNagendra Modadugu do_evp_md_engine = eng_md_evp; 203e45f106cb6b47af1f21efe76e933bdea2f5dd1caNagendra Modadugu } 204e45f106cb6b47af1f21efe76e933bdea2f5dd1caNagendra Modadugu 205e45f106cb6b47af1f21efe76e933bdea2f5dd1caNagendra Modadugu#else 206e45f106cb6b47af1f21efe76e933bdea2f5dd1caNagendra Modadugu 207e45f106cb6b47af1f21efe76e933bdea2f5dd1caNagendra Modadugu#define do_engine_init ENGINE_init 208e45f106cb6b47af1f21efe76e933bdea2f5dd1caNagendra Modadugu#define do_engine_finish ENGINE_finish 209e45f106cb6b47af1f21efe76e933bdea2f5dd1caNagendra Modadugu 210e45f106cb6b47af1f21efe76e933bdea2f5dd1caNagendra Modadugustatic int do_evp_md_engine(EVP_MD_CTX *ctx, const EVP_MD **ptype, ENGINE *impl) 211e45f106cb6b47af1f21efe76e933bdea2f5dd1caNagendra Modadugu { 212e45f106cb6b47af1f21efe76e933bdea2f5dd1caNagendra Modadugu if (*ptype) 213656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project { 214656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project /* Ensure an ENGINE left lying around from last time is cleared 215656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * (the previous check attempted to avoid this if the same 216656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * ENGINE and EVP_MD could be used). */ 217656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project if(ctx->engine) 218656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project ENGINE_finish(ctx->engine); 219656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project if(impl) 220656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project { 221656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project if (!ENGINE_init(impl)) 222656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project { 223e45f106cb6b47af1f21efe76e933bdea2f5dd1caNagendra Modadugu EVPerr(EVP_F_DO_EVP_MD_ENGINE,EVP_R_INITIALIZATION_ERROR); 224656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project return 0; 225656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project } 226656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project } 227656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project else 228656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project /* Ask if an ENGINE is reserved for this job */ 229e45f106cb6b47af1f21efe76e933bdea2f5dd1caNagendra Modadugu impl = ENGINE_get_digest_engine((*ptype)->type); 230656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project if(impl) 231656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project { 232656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project /* There's an ENGINE for this job ... (apparently) */ 233e45f106cb6b47af1f21efe76e933bdea2f5dd1caNagendra Modadugu const EVP_MD *d = ENGINE_get_digest(impl, (*ptype)->type); 234656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project if(!d) 235656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project { 236656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project /* Same comment from evp_enc.c */ 237e45f106cb6b47af1f21efe76e933bdea2f5dd1caNagendra Modadugu EVPerr(EVP_F_DO_EVP_MD_ENGINE,EVP_R_INITIALIZATION_ERROR); 238656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project return 0; 239656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project } 240656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project /* We'll use the ENGINE's private digest definition */ 241e45f106cb6b47af1f21efe76e933bdea2f5dd1caNagendra Modadugu *ptype = d; 242656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project /* Store the ENGINE functional reference so we know 243656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * 'type' came from an ENGINE and we need to release 244656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * it when done. */ 245656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project ctx->engine = impl; 246656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project } 247656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project else 248656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project ctx->engine = NULL; 249656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project } 250656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project else 251656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project if(!ctx->digest) 252656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project { 253e45f106cb6b47af1f21efe76e933bdea2f5dd1caNagendra Modadugu EVPerr(EVP_F_DO_EVP_MD_ENGINE,EVP_R_NO_DIGEST_SET); 254656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project return 0; 255656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project } 256e45f106cb6b47af1f21efe76e933bdea2f5dd1caNagendra Modadugu return 1; 257e45f106cb6b47af1f21efe76e933bdea2f5dd1caNagendra Modadugu } 258e45f106cb6b47af1f21efe76e933bdea2f5dd1caNagendra Modadugu 259e45f106cb6b47af1f21efe76e933bdea2f5dd1caNagendra Modadugu#endif 260e45f106cb6b47af1f21efe76e933bdea2f5dd1caNagendra Modadugu 261e45f106cb6b47af1f21efe76e933bdea2f5dd1caNagendra Modadugu#endif 262e45f106cb6b47af1f21efe76e933bdea2f5dd1caNagendra Modadugu 263e45f106cb6b47af1f21efe76e933bdea2f5dd1caNagendra Modaduguint EVP_DigestInit_ex(EVP_MD_CTX *ctx, const EVP_MD *type, ENGINE *impl) 264e45f106cb6b47af1f21efe76e933bdea2f5dd1caNagendra Modadugu { 265e45f106cb6b47af1f21efe76e933bdea2f5dd1caNagendra Modadugu M_EVP_MD_CTX_clear_flags(ctx,EVP_MD_CTX_FLAG_CLEANED); 266e45f106cb6b47af1f21efe76e933bdea2f5dd1caNagendra Modadugu#ifdef OPENSSL_FIPS 267e45f106cb6b47af1f21efe76e933bdea2f5dd1caNagendra Modadugu if(FIPS_selftest_failed()) 268e45f106cb6b47af1f21efe76e933bdea2f5dd1caNagendra Modadugu { 269e45f106cb6b47af1f21efe76e933bdea2f5dd1caNagendra Modadugu FIPSerr(FIPS_F_EVP_DIGESTINIT_EX,FIPS_R_FIPS_SELFTEST_FAILED); 270e45f106cb6b47af1f21efe76e933bdea2f5dd1caNagendra Modadugu ctx->digest = &bad_md; 271e45f106cb6b47af1f21efe76e933bdea2f5dd1caNagendra Modadugu return 0; 272e45f106cb6b47af1f21efe76e933bdea2f5dd1caNagendra Modadugu } 273e45f106cb6b47af1f21efe76e933bdea2f5dd1caNagendra Modadugu#endif 274e45f106cb6b47af1f21efe76e933bdea2f5dd1caNagendra Modadugu#ifndef OPENSSL_NO_ENGINE 275e45f106cb6b47af1f21efe76e933bdea2f5dd1caNagendra Modadugu /* Whether it's nice or not, "Inits" can be used on "Final"'d contexts 276e45f106cb6b47af1f21efe76e933bdea2f5dd1caNagendra Modadugu * so this context may already have an ENGINE! Try to avoid releasing 277e45f106cb6b47af1f21efe76e933bdea2f5dd1caNagendra Modadugu * the previous handle, re-querying for an ENGINE, and having a 278e45f106cb6b47af1f21efe76e933bdea2f5dd1caNagendra Modadugu * reinitialisation, when it may all be unecessary. */ 279e45f106cb6b47af1f21efe76e933bdea2f5dd1caNagendra Modadugu if (ctx->engine && ctx->digest && (!type || 280e45f106cb6b47af1f21efe76e933bdea2f5dd1caNagendra Modadugu (type && (type->type == ctx->digest->type)))) 281e45f106cb6b47af1f21efe76e933bdea2f5dd1caNagendra Modadugu goto skip_to_init; 282e45f106cb6b47af1f21efe76e933bdea2f5dd1caNagendra Modadugu if (!do_evp_md_engine(ctx, &type, impl)) 283e45f106cb6b47af1f21efe76e933bdea2f5dd1caNagendra Modadugu return 0; 284656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project#endif 285656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project if (ctx->digest != type) 286656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project { 287e45f106cb6b47af1f21efe76e933bdea2f5dd1caNagendra Modadugu#ifdef OPENSSL_FIPS 288e45f106cb6b47af1f21efe76e933bdea2f5dd1caNagendra Modadugu if (FIPS_mode()) 289e45f106cb6b47af1f21efe76e933bdea2f5dd1caNagendra Modadugu { 290e45f106cb6b47af1f21efe76e933bdea2f5dd1caNagendra Modadugu if (!(type->flags & EVP_MD_FLAG_FIPS) 291e45f106cb6b47af1f21efe76e933bdea2f5dd1caNagendra Modadugu && !(ctx->flags & EVP_MD_CTX_FLAG_NON_FIPS_ALLOW)) 292e45f106cb6b47af1f21efe76e933bdea2f5dd1caNagendra Modadugu { 293e45f106cb6b47af1f21efe76e933bdea2f5dd1caNagendra Modadugu EVPerr(EVP_F_EVP_DIGESTINIT_EX, EVP_R_DISABLED_FOR_FIPS); 294e45f106cb6b47af1f21efe76e933bdea2f5dd1caNagendra Modadugu ctx->digest = &bad_md; 295e45f106cb6b47af1f21efe76e933bdea2f5dd1caNagendra Modadugu return 0; 296e45f106cb6b47af1f21efe76e933bdea2f5dd1caNagendra Modadugu } 297e45f106cb6b47af1f21efe76e933bdea2f5dd1caNagendra Modadugu } 298e45f106cb6b47af1f21efe76e933bdea2f5dd1caNagendra Modadugu#endif 299656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project if (ctx->digest && ctx->digest->ctx_size) 300656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project OPENSSL_free(ctx->md_data); 301656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project ctx->digest=type; 302656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project if (type->ctx_size) 30398d58bb80c64b02a33662f0ea80351d4a1535267Brian Carlstrom { 304656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project ctx->md_data=OPENSSL_malloc(type->ctx_size); 30598d58bb80c64b02a33662f0ea80351d4a1535267Brian Carlstrom if (!ctx->md_data) 30698d58bb80c64b02a33662f0ea80351d4a1535267Brian Carlstrom { 30798d58bb80c64b02a33662f0ea80351d4a1535267Brian Carlstrom EVPerr(EVP_F_EVP_DIGESTINIT_EX, ERR_R_MALLOC_FAILURE); 30898d58bb80c64b02a33662f0ea80351d4a1535267Brian Carlstrom return 0; 30998d58bb80c64b02a33662f0ea80351d4a1535267Brian Carlstrom } 31098d58bb80c64b02a33662f0ea80351d4a1535267Brian Carlstrom } 311656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project } 312656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project#ifndef OPENSSL_NO_ENGINE 313e45f106cb6b47af1f21efe76e933bdea2f5dd1caNagendra Modadugu skip_to_init: 314656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project#endif 315656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project return ctx->digest->init(ctx); 316656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project } 317656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project 318656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Projectint EVP_DigestUpdate(EVP_MD_CTX *ctx, const void *data, 319656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project size_t count) 320656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project { 321e45f106cb6b47af1f21efe76e933bdea2f5dd1caNagendra Modadugu#ifdef OPENSSL_FIPS 322e45f106cb6b47af1f21efe76e933bdea2f5dd1caNagendra Modadugu FIPS_selftest_check(); 323e45f106cb6b47af1f21efe76e933bdea2f5dd1caNagendra Modadugu#endif 324656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project return ctx->digest->update(ctx,data,count); 325656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project } 326656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project 327656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project/* The caller can assume that this removes any secret data from the context */ 328656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Projectint EVP_DigestFinal(EVP_MD_CTX *ctx, unsigned char *md, unsigned int *size) 329656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project { 330656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project int ret; 331656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project ret = EVP_DigestFinal_ex(ctx, md, size); 332656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project EVP_MD_CTX_cleanup(ctx); 333656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project return ret; 334656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project } 335656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project 336656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project/* The caller can assume that this removes any secret data from the context */ 337656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Projectint EVP_DigestFinal_ex(EVP_MD_CTX *ctx, unsigned char *md, unsigned int *size) 338656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project { 339656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project int ret; 340e45f106cb6b47af1f21efe76e933bdea2f5dd1caNagendra Modadugu#ifdef OPENSSL_FIPS 341e45f106cb6b47af1f21efe76e933bdea2f5dd1caNagendra Modadugu FIPS_selftest_check(); 342e45f106cb6b47af1f21efe76e933bdea2f5dd1caNagendra Modadugu#endif 343656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project 344656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project OPENSSL_assert(ctx->digest->md_size <= EVP_MAX_MD_SIZE); 345656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project ret=ctx->digest->final(ctx,md); 346656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project if (size != NULL) 347656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project *size=ctx->digest->md_size; 348656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project if (ctx->digest->cleanup) 349656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project { 350656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project ctx->digest->cleanup(ctx); 351e45f106cb6b47af1f21efe76e933bdea2f5dd1caNagendra Modadugu M_EVP_MD_CTX_set_flags(ctx,EVP_MD_CTX_FLAG_CLEANED); 352656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project } 353656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project memset(ctx->md_data,0,ctx->digest->ctx_size); 354656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project return ret; 355656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project } 356656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project 357656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Projectint EVP_MD_CTX_copy(EVP_MD_CTX *out, const EVP_MD_CTX *in) 358656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project { 359656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project EVP_MD_CTX_init(out); 360656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project return EVP_MD_CTX_copy_ex(out, in); 361656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project } 362656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project 363656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Projectint EVP_MD_CTX_copy_ex(EVP_MD_CTX *out, const EVP_MD_CTX *in) 364656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project { 365656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project unsigned char *tmp_buf; 366656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project if ((in == NULL) || (in->digest == NULL)) 367656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project { 368656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project EVPerr(EVP_F_EVP_MD_CTX_COPY_EX,EVP_R_INPUT_NOT_INITIALIZED); 369656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project return 0; 370656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project } 371656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project#ifndef OPENSSL_NO_ENGINE 372656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project /* Make sure it's safe to copy a digest context using an ENGINE */ 373e45f106cb6b47af1f21efe76e933bdea2f5dd1caNagendra Modadugu if (in->engine && !do_engine_init(in->engine)) 374656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project { 375656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project EVPerr(EVP_F_EVP_MD_CTX_COPY_EX,ERR_R_ENGINE_LIB); 376656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project return 0; 377656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project } 378656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project#endif 379656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project 380656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project if (out->digest == in->digest) 381656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project { 382656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project tmp_buf = out->md_data; 383e45f106cb6b47af1f21efe76e933bdea2f5dd1caNagendra Modadugu M_EVP_MD_CTX_set_flags(out,EVP_MD_CTX_FLAG_REUSE); 384656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project } 385656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project else tmp_buf = NULL; 386656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project EVP_MD_CTX_cleanup(out); 387656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project memcpy(out,in,sizeof *out); 388656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project 389656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project if (out->digest->ctx_size) 390656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project { 39198d58bb80c64b02a33662f0ea80351d4a1535267Brian Carlstrom if (tmp_buf) 39298d58bb80c64b02a33662f0ea80351d4a1535267Brian Carlstrom out->md_data = tmp_buf; 39398d58bb80c64b02a33662f0ea80351d4a1535267Brian Carlstrom else 39498d58bb80c64b02a33662f0ea80351d4a1535267Brian Carlstrom { 39598d58bb80c64b02a33662f0ea80351d4a1535267Brian Carlstrom out->md_data=OPENSSL_malloc(out->digest->ctx_size); 39698d58bb80c64b02a33662f0ea80351d4a1535267Brian Carlstrom if (!out->md_data) 39798d58bb80c64b02a33662f0ea80351d4a1535267Brian Carlstrom { 39898d58bb80c64b02a33662f0ea80351d4a1535267Brian Carlstrom EVPerr(EVP_F_EVP_MD_CTX_COPY_EX,ERR_R_MALLOC_FAILURE); 39998d58bb80c64b02a33662f0ea80351d4a1535267Brian Carlstrom return 0; 40098d58bb80c64b02a33662f0ea80351d4a1535267Brian Carlstrom } 40198d58bb80c64b02a33662f0ea80351d4a1535267Brian Carlstrom } 402656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project memcpy(out->md_data,in->md_data,out->digest->ctx_size); 403656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project } 404656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project 405656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project if (out->digest->copy) 406656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project return out->digest->copy(out,in); 407656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project 408656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project return 1; 409656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project } 410656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project 411656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Projectint EVP_Digest(const void *data, size_t count, 412656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project unsigned char *md, unsigned int *size, const EVP_MD *type, ENGINE *impl) 413656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project { 414656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project EVP_MD_CTX ctx; 415656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project int ret; 416656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project 417656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project EVP_MD_CTX_init(&ctx); 418e45f106cb6b47af1f21efe76e933bdea2f5dd1caNagendra Modadugu M_EVP_MD_CTX_set_flags(&ctx,EVP_MD_CTX_FLAG_ONESHOT); 419656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project ret=EVP_DigestInit_ex(&ctx, type, impl) 420656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project && EVP_DigestUpdate(&ctx, data, count) 421656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project && EVP_DigestFinal_ex(&ctx, md, size); 422656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project EVP_MD_CTX_cleanup(&ctx); 423656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project 424656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project return ret; 425656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project } 426656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project 427656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Projectvoid EVP_MD_CTX_destroy(EVP_MD_CTX *ctx) 428656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project { 429656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project EVP_MD_CTX_cleanup(ctx); 430656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project OPENSSL_free(ctx); 431656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project } 432656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project 433656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project/* This call frees resources associated with the context */ 434656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Projectint EVP_MD_CTX_cleanup(EVP_MD_CTX *ctx) 435656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project { 436656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project /* Don't assume ctx->md_data was cleaned in EVP_Digest_Final, 437656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * because sometimes only copies of the context are ever finalised. 438656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project */ 439656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project if (ctx->digest && ctx->digest->cleanup 440e45f106cb6b47af1f21efe76e933bdea2f5dd1caNagendra Modadugu && !M_EVP_MD_CTX_test_flags(ctx,EVP_MD_CTX_FLAG_CLEANED)) 441656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project ctx->digest->cleanup(ctx); 442656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project if (ctx->digest && ctx->digest->ctx_size && ctx->md_data 443e45f106cb6b47af1f21efe76e933bdea2f5dd1caNagendra Modadugu && !M_EVP_MD_CTX_test_flags(ctx, EVP_MD_CTX_FLAG_REUSE)) 444656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project { 445656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project OPENSSL_cleanse(ctx->md_data,ctx->digest->ctx_size); 446656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project OPENSSL_free(ctx->md_data); 447656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project } 448656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project#ifndef OPENSSL_NO_ENGINE 449656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project if(ctx->engine) 450656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project /* The EVP_MD we used belongs to an ENGINE, release the 451656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * functional reference we held for this reason. */ 452e45f106cb6b47af1f21efe76e933bdea2f5dd1caNagendra Modadugu do_engine_finish(ctx->engine); 453656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project#endif 454656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project memset(ctx,'\0',sizeof *ctx); 455656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project 456656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project return 1; 457656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project } 458