68 lines
1.5 KiB
C
68 lines
1.5 KiB
C
/*
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* Copyright 1995-2016 The OpenSSL Project Authors. All Rights Reserved.
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*
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* Licensed under the OpenSSL license (the "License"). You may not use
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* this file except in compliance with the License. You can obtain a copy
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* in the file LICENSE in the source distribution or at
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* https://www.openssl.org/source/license.html
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*/
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#include <stdio.h>
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#include <time.h>
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#include <sys/types.h>
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#include "internal/cryptlib.h"
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#include <openssl/err.h>
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#include <openssl/evp.h>
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#include <openssl/buffer.h>
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#include <openssl/x509.h>
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#ifndef NO_ASN1_OLD
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int ASN1_digest(i2d_of_void *i2d, const EVP_MD *type, char *data,
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unsigned char *md, unsigned int *len)
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{
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int inl;
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unsigned char *str, *p;
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inl = i2d(data, NULL);
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if (inl <= 0) {
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ASN1err(ASN1_F_ASN1_DIGEST, ERR_R_INTERNAL_ERROR);
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return 0;
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}
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if ((str = OPENSSL_malloc(inl)) == NULL) {
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ASN1err(ASN1_F_ASN1_DIGEST, ERR_R_MALLOC_FAILURE);
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return 0;
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}
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p = str;
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i2d(data, &p);
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if (!EVP_Digest(str, inl, md, len, type, NULL)) {
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OPENSSL_free(str);
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return 0;
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}
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OPENSSL_free(str);
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return 1;
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}
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#endif
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int ASN1_item_digest(const ASN1_ITEM *it, const EVP_MD *type, void *asn,
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unsigned char *md, unsigned int *len)
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{
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int i;
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unsigned char *str = NULL;
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i = ASN1_item_i2d(asn, &str, it);
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if (!str)
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return 0;
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if (!EVP_Digest(str, i, md, len, type, NULL)) {
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OPENSSL_free(str);
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return 0;
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}
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OPENSSL_free(str);
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return 1;
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}
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