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29 lines
752 B
C
29 lines
752 B
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 <string.h>
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#include <openssl/crypto.h>
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#include <openssl/sha.h>
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unsigned char *SHA1(const unsigned char *d, size_t n, unsigned char *md)
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{
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SHA_CTX c;
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static unsigned char m[SHA_DIGEST_LENGTH];
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if (md == NULL)
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md = m;
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if (!SHA1_Init(&c))
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return NULL;
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SHA1_Update(&c, d, n);
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SHA1_Final(md, &c);
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OPENSSL_cleanse(&c, sizeof(c));
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return (md);
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}
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