42 lines
964 B
C
42 lines
964 B
C
// Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com) All rights reserved.
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// SPDX-License-Identifier: Apache-2.0
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#include <openssl/x509.h>
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#include <openssl/asn1.h>
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#include <openssl/digest.h>
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#include <openssl/err.h>
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#include <openssl/mem.h>
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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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int i, ret;
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unsigned char *str, *p;
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i = i2d(data, NULL);
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if ((str = (unsigned char *)OPENSSL_malloc(i)) == NULL) {
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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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ret = EVP_Digest(str, i, md, len, type, NULL);
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OPENSSL_free(str);
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return ret;
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}
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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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int i, ret;
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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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}
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ret = EVP_Digest(str, i, md, len, type, NULL);
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OPENSSL_free(str);
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return ret;
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}
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