155714Skris/* crypto/asn1/a_digest.c */ 255714Skris/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com) 355714Skris * All rights reserved. 455714Skris * 555714Skris * This package is an SSL implementation written 655714Skris * by Eric Young (eay@cryptsoft.com). 755714Skris * The implementation was written so as to conform with Netscapes SSL. 8296341Sdelphij * 955714Skris * This library is free for commercial and non-commercial use as long as 1055714Skris * the following conditions are aheared to. The following conditions 1155714Skris * apply to all code found in this distribution, be it the RC4, RSA, 1255714Skris * lhash, DES, etc., code; not just the SSL code. The SSL documentation 1355714Skris * included with this distribution is covered by the same copyright terms 1455714Skris * except that the holder is Tim Hudson (tjh@cryptsoft.com). 15296341Sdelphij * 1655714Skris * Copyright remains Eric Young's, and as such any Copyright notices in 1755714Skris * the code are not to be removed. 1855714Skris * If this package is used in a product, Eric Young should be given attribution 1955714Skris * as the author of the parts of the library used. 2055714Skris * This can be in the form of a textual message at program startup or 2155714Skris * in documentation (online or textual) provided with the package. 22296341Sdelphij * 2355714Skris * Redistribution and use in source and binary forms, with or without 2455714Skris * modification, are permitted provided that the following conditions 2555714Skris * are met: 2655714Skris * 1. Redistributions of source code must retain the copyright 2755714Skris * notice, this list of conditions and the following disclaimer. 2855714Skris * 2. Redistributions in binary form must reproduce the above copyright 2955714Skris * notice, this list of conditions and the following disclaimer in the 3055714Skris * documentation and/or other materials provided with the distribution. 3155714Skris * 3. All advertising materials mentioning features or use of this software 3255714Skris * must display the following acknowledgement: 3355714Skris * "This product includes cryptographic software written by 3455714Skris * Eric Young (eay@cryptsoft.com)" 3555714Skris * The word 'cryptographic' can be left out if the rouines from the library 3655714Skris * being used are not cryptographic related :-). 37296341Sdelphij * 4. If you include any Windows specific code (or a derivative thereof) from 3855714Skris * the apps directory (application code) you must include an acknowledgement: 3955714Skris * "This product includes software written by Tim Hudson (tjh@cryptsoft.com)" 40296341Sdelphij * 4155714Skris * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND 4255714Skris * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 4355714Skris * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 4455714Skris * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 4555714Skris * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 4655714Skris * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 4755714Skris * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 4855714Skris * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 4955714Skris * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 5055714Skris * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 5155714Skris * SUCH DAMAGE. 52296341Sdelphij * 5355714Skris * The licence and distribution terms for any publically available version or 5455714Skris * derivative of this code cannot be changed. i.e. this code cannot simply be 5555714Skris * copied and put under another distribution licence 5655714Skris * [including the GNU Public Licence.] 5755714Skris */ 5855714Skris 5955714Skris#include <stdio.h> 6055714Skris#include <time.h> 6155714Skris 6255714Skris#include "cryptlib.h" 6359191Skris 6459191Skris#ifndef NO_SYS_TYPES_H 6559191Skris# include <sys/types.h> 6659191Skris#endif 6759191Skris 68160814Ssimon#include <openssl/err.h> 6955714Skris#include <openssl/evp.h> 7055714Skris#include <openssl/buffer.h> 7155714Skris#include <openssl/x509.h> 7255714Skris 73109998Smarkm#ifndef NO_ASN1_OLD 74109998Smarkm 75160814Ssimonint ASN1_digest(i2d_of_void *i2d, const EVP_MD *type, char *data, 76296341Sdelphij unsigned char *md, unsigned int *len) 77296341Sdelphij{ 78296341Sdelphij int i; 79296341Sdelphij unsigned char *str, *p; 8055714Skris 81296341Sdelphij i = i2d(data, NULL); 82296341Sdelphij if ((str = (unsigned char *)OPENSSL_malloc(i)) == NULL) { 83296341Sdelphij ASN1err(ASN1_F_ASN1_DIGEST, ERR_R_MALLOC_FAILURE); 84296341Sdelphij return (0); 85296341Sdelphij } 86296341Sdelphij p = str; 87296341Sdelphij i2d(data, &p); 8855714Skris 89296341Sdelphij if (!EVP_Digest(str, i, md, len, type, NULL)) 90296341Sdelphij return 0; 91296341Sdelphij OPENSSL_free(str); 92296341Sdelphij return (1); 93296341Sdelphij} 9455714Skris 95109998Smarkm#endif 96109998Smarkm 97109998Smarkmint ASN1_item_digest(const ASN1_ITEM *it, const EVP_MD *type, void *asn, 98296341Sdelphij unsigned char *md, unsigned int *len) 99296341Sdelphij{ 100296341Sdelphij int i; 101296341Sdelphij unsigned char *str = NULL; 102109998Smarkm 103296341Sdelphij i = ASN1_item_i2d(asn, &str, it); 104296341Sdelphij if (!str) 105296341Sdelphij return (0); 106109998Smarkm 107296341Sdelphij if (!EVP_Digest(str, i, md, len, type, NULL)) 108296341Sdelphij return 0; 109296341Sdelphij OPENSSL_free(str); 110296341Sdelphij return (1); 111296341Sdelphij} 112