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 119656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project 120392aa7cc7d2b122614c5393c3e357da07fd07af3Brian Carlstrom#ifdef OPENSSL_FIPS 121392aa7cc7d2b122614c5393c3e357da07fd07af3Brian Carlstrom#include <openssl/fips.h> 122392aa7cc7d2b122614c5393c3e357da07fd07af3Brian Carlstrom#endif 123392aa7cc7d2b122614c5393c3e357da07fd07af3Brian Carlstrom 124656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Projectvoid EVP_MD_CTX_init(EVP_MD_CTX *ctx) 125656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project { 126656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project memset(ctx,'\0',sizeof *ctx); 127656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project } 128656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project 129656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source ProjectEVP_MD_CTX *EVP_MD_CTX_create(void) 130656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project { 131656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project EVP_MD_CTX *ctx=OPENSSL_malloc(sizeof *ctx); 132656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project 13398d58bb80c64b02a33662f0ea80351d4a1535267Brian Carlstrom if (ctx) 13498d58bb80c64b02a33662f0ea80351d4a1535267Brian Carlstrom EVP_MD_CTX_init(ctx); 135656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project 136656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project return ctx; 137656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project } 138656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project 139656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Projectint EVP_DigestInit(EVP_MD_CTX *ctx, const EVP_MD *type) 140656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project { 141656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project EVP_MD_CTX_init(ctx); 142656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project return EVP_DigestInit_ex(ctx, type, NULL); 143656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project } 144656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project 145221304ee937bc0910948a8be1320cb8cc4eb6d36Brian Carlstromint EVP_DigestInit_ex(EVP_MD_CTX *ctx, const EVP_MD *type, ENGINE *impl) 146656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project { 147221304ee937bc0910948a8be1320cb8cc4eb6d36Brian Carlstrom EVP_MD_CTX_clear_flags(ctx,EVP_MD_CTX_FLAG_CLEANED); 148656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project#ifndef OPENSSL_NO_ENGINE 149221304ee937bc0910948a8be1320cb8cc4eb6d36Brian Carlstrom /* Whether it's nice or not, "Inits" can be used on "Final"'d contexts 150221304ee937bc0910948a8be1320cb8cc4eb6d36Brian Carlstrom * so this context may already have an ENGINE! Try to avoid releasing 151221304ee937bc0910948a8be1320cb8cc4eb6d36Brian Carlstrom * the previous handle, re-querying for an ENGINE, and having a 152221304ee937bc0910948a8be1320cb8cc4eb6d36Brian Carlstrom * reinitialisation, when it may all be unecessary. */ 153221304ee937bc0910948a8be1320cb8cc4eb6d36Brian Carlstrom if (ctx->engine && ctx->digest && (!type || 154221304ee937bc0910948a8be1320cb8cc4eb6d36Brian Carlstrom (type && (type->type == ctx->digest->type)))) 155221304ee937bc0910948a8be1320cb8cc4eb6d36Brian Carlstrom goto skip_to_init; 156221304ee937bc0910948a8be1320cb8cc4eb6d36Brian Carlstrom if (type) 157656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project { 158656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project /* Ensure an ENGINE left lying around from last time is cleared 159656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * (the previous check attempted to avoid this if the same 160656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * ENGINE and EVP_MD could be used). */ 161656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project if(ctx->engine) 162656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project ENGINE_finish(ctx->engine); 163656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project if(impl) 164656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project { 165656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project if (!ENGINE_init(impl)) 166656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project { 167221304ee937bc0910948a8be1320cb8cc4eb6d36Brian Carlstrom EVPerr(EVP_F_EVP_DIGESTINIT_EX,EVP_R_INITIALIZATION_ERROR); 168656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project return 0; 169656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project } 170656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project } 171656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project else 172656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project /* Ask if an ENGINE is reserved for this job */ 173221304ee937bc0910948a8be1320cb8cc4eb6d36Brian Carlstrom impl = ENGINE_get_digest_engine(type->type); 174656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project if(impl) 175656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project { 176656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project /* There's an ENGINE for this job ... (apparently) */ 177221304ee937bc0910948a8be1320cb8cc4eb6d36Brian Carlstrom const EVP_MD *d = ENGINE_get_digest(impl, type->type); 178656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project if(!d) 179656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project { 180656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project /* Same comment from evp_enc.c */ 181221304ee937bc0910948a8be1320cb8cc4eb6d36Brian Carlstrom EVPerr(EVP_F_EVP_DIGESTINIT_EX,EVP_R_INITIALIZATION_ERROR); 182221304ee937bc0910948a8be1320cb8cc4eb6d36Brian Carlstrom ENGINE_finish(impl); 183656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project return 0; 184656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project } 185656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project /* We'll use the ENGINE's private digest definition */ 186221304ee937bc0910948a8be1320cb8cc4eb6d36Brian Carlstrom type = d; 187656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project /* Store the ENGINE functional reference so we know 188656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * 'type' came from an ENGINE and we need to release 189656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * it when done. */ 190656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project ctx->engine = impl; 191656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project } 192656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project else 193656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project ctx->engine = NULL; 194656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project } 195656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project else 196656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project if(!ctx->digest) 197656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project { 198221304ee937bc0910948a8be1320cb8cc4eb6d36Brian Carlstrom EVPerr(EVP_F_EVP_DIGESTINIT_EX,EVP_R_NO_DIGEST_SET); 199656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project return 0; 200656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project } 201656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project#endif 202656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project if (ctx->digest != type) 203656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project { 204656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project if (ctx->digest && ctx->digest->ctx_size) 205656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project OPENSSL_free(ctx->md_data); 206656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project ctx->digest=type; 207221304ee937bc0910948a8be1320cb8cc4eb6d36Brian Carlstrom if (!(ctx->flags & EVP_MD_CTX_FLAG_NO_INIT) && type->ctx_size) 20898d58bb80c64b02a33662f0ea80351d4a1535267Brian Carlstrom { 209221304ee937bc0910948a8be1320cb8cc4eb6d36Brian Carlstrom ctx->update = type->update; 210656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project ctx->md_data=OPENSSL_malloc(type->ctx_size); 211221304ee937bc0910948a8be1320cb8cc4eb6d36Brian Carlstrom if (ctx->md_data == NULL) 21298d58bb80c64b02a33662f0ea80351d4a1535267Brian Carlstrom { 213221304ee937bc0910948a8be1320cb8cc4eb6d36Brian Carlstrom EVPerr(EVP_F_EVP_DIGESTINIT_EX, 214221304ee937bc0910948a8be1320cb8cc4eb6d36Brian Carlstrom ERR_R_MALLOC_FAILURE); 21598d58bb80c64b02a33662f0ea80351d4a1535267Brian Carlstrom return 0; 21698d58bb80c64b02a33662f0ea80351d4a1535267Brian Carlstrom } 21798d58bb80c64b02a33662f0ea80351d4a1535267Brian Carlstrom } 218656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project } 219656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project#ifndef OPENSSL_NO_ENGINE 220221304ee937bc0910948a8be1320cb8cc4eb6d36Brian Carlstromskip_to_init: 221656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project#endif 222221304ee937bc0910948a8be1320cb8cc4eb6d36Brian Carlstrom if (ctx->pctx) 223221304ee937bc0910948a8be1320cb8cc4eb6d36Brian Carlstrom { 224221304ee937bc0910948a8be1320cb8cc4eb6d36Brian Carlstrom int r; 225221304ee937bc0910948a8be1320cb8cc4eb6d36Brian Carlstrom r = EVP_PKEY_CTX_ctrl(ctx->pctx, -1, EVP_PKEY_OP_TYPE_SIG, 226221304ee937bc0910948a8be1320cb8cc4eb6d36Brian Carlstrom EVP_PKEY_CTRL_DIGESTINIT, 0, ctx); 227221304ee937bc0910948a8be1320cb8cc4eb6d36Brian Carlstrom if (r <= 0 && (r != -2)) 228221304ee937bc0910948a8be1320cb8cc4eb6d36Brian Carlstrom return 0; 229221304ee937bc0910948a8be1320cb8cc4eb6d36Brian Carlstrom } 230221304ee937bc0910948a8be1320cb8cc4eb6d36Brian Carlstrom if (ctx->flags & EVP_MD_CTX_FLAG_NO_INIT) 231221304ee937bc0910948a8be1320cb8cc4eb6d36Brian Carlstrom return 1; 232392aa7cc7d2b122614c5393c3e357da07fd07af3Brian Carlstrom#ifdef OPENSSL_FIPS 233392aa7cc7d2b122614c5393c3e357da07fd07af3Brian Carlstrom if (FIPS_mode()) 234392aa7cc7d2b122614c5393c3e357da07fd07af3Brian Carlstrom { 235392aa7cc7d2b122614c5393c3e357da07fd07af3Brian Carlstrom if (FIPS_digestinit(ctx, type)) 236392aa7cc7d2b122614c5393c3e357da07fd07af3Brian Carlstrom return 1; 237392aa7cc7d2b122614c5393c3e357da07fd07af3Brian Carlstrom OPENSSL_free(ctx->md_data); 238392aa7cc7d2b122614c5393c3e357da07fd07af3Brian Carlstrom ctx->md_data = NULL; 239392aa7cc7d2b122614c5393c3e357da07fd07af3Brian Carlstrom return 0; 240392aa7cc7d2b122614c5393c3e357da07fd07af3Brian Carlstrom } 241392aa7cc7d2b122614c5393c3e357da07fd07af3Brian Carlstrom#endif 242656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project return ctx->digest->init(ctx); 243656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project } 244656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project 245221304ee937bc0910948a8be1320cb8cc4eb6d36Brian Carlstromint EVP_DigestUpdate(EVP_MD_CTX *ctx, const void *data, size_t count) 246656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project { 247392aa7cc7d2b122614c5393c3e357da07fd07af3Brian Carlstrom#ifdef OPENSSL_FIPS 248392aa7cc7d2b122614c5393c3e357da07fd07af3Brian Carlstrom return FIPS_digestupdate(ctx, data, count); 249392aa7cc7d2b122614c5393c3e357da07fd07af3Brian Carlstrom#else 250221304ee937bc0910948a8be1320cb8cc4eb6d36Brian Carlstrom return ctx->update(ctx,data,count); 251392aa7cc7d2b122614c5393c3e357da07fd07af3Brian Carlstrom#endif 252656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project } 253656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project 254656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project/* The caller can assume that this removes any secret data from the context */ 255656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Projectint EVP_DigestFinal(EVP_MD_CTX *ctx, unsigned char *md, unsigned int *size) 256656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project { 257656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project int ret; 258656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project ret = EVP_DigestFinal_ex(ctx, md, size); 259656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project EVP_MD_CTX_cleanup(ctx); 260656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project return ret; 261656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project } 262656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project 263656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project/* The caller can assume that this removes any secret data from the context */ 264656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Projectint EVP_DigestFinal_ex(EVP_MD_CTX *ctx, unsigned char *md, unsigned int *size) 265656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project { 266392aa7cc7d2b122614c5393c3e357da07fd07af3Brian Carlstrom#ifdef OPENSSL_FIPS 267392aa7cc7d2b122614c5393c3e357da07fd07af3Brian Carlstrom return FIPS_digestfinal(ctx, md, size); 268392aa7cc7d2b122614c5393c3e357da07fd07af3Brian Carlstrom#else 269656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project int ret; 270656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project OPENSSL_assert(ctx->digest->md_size <= EVP_MAX_MD_SIZE); 271656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project ret=ctx->digest->final(ctx,md); 272656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project if (size != NULL) 273656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project *size=ctx->digest->md_size; 274656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project if (ctx->digest->cleanup) 275656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project { 276656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project ctx->digest->cleanup(ctx); 277221304ee937bc0910948a8be1320cb8cc4eb6d36Brian Carlstrom EVP_MD_CTX_set_flags(ctx,EVP_MD_CTX_FLAG_CLEANED); 278656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project } 279656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project memset(ctx->md_data,0,ctx->digest->ctx_size); 280656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project return ret; 281392aa7cc7d2b122614c5393c3e357da07fd07af3Brian Carlstrom#endif 282656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project } 283656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project 284656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Projectint EVP_MD_CTX_copy(EVP_MD_CTX *out, const EVP_MD_CTX *in) 285656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project { 286656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project EVP_MD_CTX_init(out); 287656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project return EVP_MD_CTX_copy_ex(out, in); 288656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project } 289656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project 290656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Projectint EVP_MD_CTX_copy_ex(EVP_MD_CTX *out, const EVP_MD_CTX *in) 291656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project { 292656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project unsigned char *tmp_buf; 293656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project if ((in == NULL) || (in->digest == NULL)) 294656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project { 295656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project EVPerr(EVP_F_EVP_MD_CTX_COPY_EX,EVP_R_INPUT_NOT_INITIALIZED); 296656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project return 0; 297656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project } 298656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project#ifndef OPENSSL_NO_ENGINE 299656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project /* Make sure it's safe to copy a digest context using an ENGINE */ 300221304ee937bc0910948a8be1320cb8cc4eb6d36Brian Carlstrom if (in->engine && !ENGINE_init(in->engine)) 301656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project { 302656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project EVPerr(EVP_F_EVP_MD_CTX_COPY_EX,ERR_R_ENGINE_LIB); 303656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project return 0; 304656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project } 305656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project#endif 306656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project 307656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project if (out->digest == in->digest) 308656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project { 309656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project tmp_buf = out->md_data; 310221304ee937bc0910948a8be1320cb8cc4eb6d36Brian Carlstrom EVP_MD_CTX_set_flags(out,EVP_MD_CTX_FLAG_REUSE); 311656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project } 312656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project else tmp_buf = NULL; 313656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project EVP_MD_CTX_cleanup(out); 314656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project memcpy(out,in,sizeof *out); 315656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project 316221304ee937bc0910948a8be1320cb8cc4eb6d36Brian Carlstrom if (in->md_data && out->digest->ctx_size) 317656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project { 31898d58bb80c64b02a33662f0ea80351d4a1535267Brian Carlstrom if (tmp_buf) 31998d58bb80c64b02a33662f0ea80351d4a1535267Brian Carlstrom out->md_data = tmp_buf; 32098d58bb80c64b02a33662f0ea80351d4a1535267Brian Carlstrom else 32198d58bb80c64b02a33662f0ea80351d4a1535267Brian Carlstrom { 32298d58bb80c64b02a33662f0ea80351d4a1535267Brian Carlstrom out->md_data=OPENSSL_malloc(out->digest->ctx_size); 32398d58bb80c64b02a33662f0ea80351d4a1535267Brian Carlstrom if (!out->md_data) 32498d58bb80c64b02a33662f0ea80351d4a1535267Brian Carlstrom { 32598d58bb80c64b02a33662f0ea80351d4a1535267Brian Carlstrom EVPerr(EVP_F_EVP_MD_CTX_COPY_EX,ERR_R_MALLOC_FAILURE); 32698d58bb80c64b02a33662f0ea80351d4a1535267Brian Carlstrom return 0; 32798d58bb80c64b02a33662f0ea80351d4a1535267Brian Carlstrom } 32898d58bb80c64b02a33662f0ea80351d4a1535267Brian Carlstrom } 329656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project memcpy(out->md_data,in->md_data,out->digest->ctx_size); 330656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project } 331656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project 332221304ee937bc0910948a8be1320cb8cc4eb6d36Brian Carlstrom out->update = in->update; 333221304ee937bc0910948a8be1320cb8cc4eb6d36Brian Carlstrom 334221304ee937bc0910948a8be1320cb8cc4eb6d36Brian Carlstrom if (in->pctx) 335221304ee937bc0910948a8be1320cb8cc4eb6d36Brian Carlstrom { 336221304ee937bc0910948a8be1320cb8cc4eb6d36Brian Carlstrom out->pctx = EVP_PKEY_CTX_dup(in->pctx); 337221304ee937bc0910948a8be1320cb8cc4eb6d36Brian Carlstrom if (!out->pctx) 338221304ee937bc0910948a8be1320cb8cc4eb6d36Brian Carlstrom { 339221304ee937bc0910948a8be1320cb8cc4eb6d36Brian Carlstrom EVP_MD_CTX_cleanup(out); 340221304ee937bc0910948a8be1320cb8cc4eb6d36Brian Carlstrom return 0; 341221304ee937bc0910948a8be1320cb8cc4eb6d36Brian Carlstrom } 342221304ee937bc0910948a8be1320cb8cc4eb6d36Brian Carlstrom } 343221304ee937bc0910948a8be1320cb8cc4eb6d36Brian Carlstrom 344656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project if (out->digest->copy) 345656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project return out->digest->copy(out,in); 346656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project 347656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project return 1; 348656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project } 349656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project 350656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Projectint EVP_Digest(const void *data, size_t count, 351656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project unsigned char *md, unsigned int *size, const EVP_MD *type, ENGINE *impl) 352656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project { 353656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project EVP_MD_CTX ctx; 354656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project int ret; 355656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project 356656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project EVP_MD_CTX_init(&ctx); 357221304ee937bc0910948a8be1320cb8cc4eb6d36Brian Carlstrom EVP_MD_CTX_set_flags(&ctx,EVP_MD_CTX_FLAG_ONESHOT); 358656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project ret=EVP_DigestInit_ex(&ctx, type, impl) 359656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project && EVP_DigestUpdate(&ctx, data, count) 360656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project && EVP_DigestFinal_ex(&ctx, md, size); 361656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project EVP_MD_CTX_cleanup(&ctx); 362656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project 363656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project return ret; 364656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project } 365656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project 366656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Projectvoid EVP_MD_CTX_destroy(EVP_MD_CTX *ctx) 367656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project { 368656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project EVP_MD_CTX_cleanup(ctx); 369656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project OPENSSL_free(ctx); 370656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project } 371656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project 372656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project/* This call frees resources associated with the context */ 373656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Projectint EVP_MD_CTX_cleanup(EVP_MD_CTX *ctx) 374656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project { 375392aa7cc7d2b122614c5393c3e357da07fd07af3Brian Carlstrom#ifndef OPENSSL_FIPS 376656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project /* Don't assume ctx->md_data was cleaned in EVP_Digest_Final, 377656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * because sometimes only copies of the context are ever finalised. 378656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project */ 379656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project if (ctx->digest && ctx->digest->cleanup 380221304ee937bc0910948a8be1320cb8cc4eb6d36Brian Carlstrom && !EVP_MD_CTX_test_flags(ctx,EVP_MD_CTX_FLAG_CLEANED)) 381656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project ctx->digest->cleanup(ctx); 382656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project if (ctx->digest && ctx->digest->ctx_size && ctx->md_data 383221304ee937bc0910948a8be1320cb8cc4eb6d36Brian Carlstrom && !EVP_MD_CTX_test_flags(ctx, EVP_MD_CTX_FLAG_REUSE)) 384656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project { 385656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project OPENSSL_cleanse(ctx->md_data,ctx->digest->ctx_size); 386656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project OPENSSL_free(ctx->md_data); 387656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project } 388392aa7cc7d2b122614c5393c3e357da07fd07af3Brian Carlstrom#endif 389221304ee937bc0910948a8be1320cb8cc4eb6d36Brian Carlstrom if (ctx->pctx) 390221304ee937bc0910948a8be1320cb8cc4eb6d36Brian Carlstrom EVP_PKEY_CTX_free(ctx->pctx); 391656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project#ifndef OPENSSL_NO_ENGINE 392656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project if(ctx->engine) 393656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project /* The EVP_MD we used belongs to an ENGINE, release the 394656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * functional reference we held for this reason. */ 395221304ee937bc0910948a8be1320cb8cc4eb6d36Brian Carlstrom ENGINE_finish(ctx->engine); 396656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project#endif 397392aa7cc7d2b122614c5393c3e357da07fd07af3Brian Carlstrom#ifdef OPENSSL_FIPS 398392aa7cc7d2b122614c5393c3e357da07fd07af3Brian Carlstrom FIPS_md_ctx_cleanup(ctx); 399392aa7cc7d2b122614c5393c3e357da07fd07af3Brian Carlstrom#endif 400656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project memset(ctx,'\0',sizeof *ctx); 401656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project 402656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project return 1; 403656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project } 404