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47 lines
1.1 KiB
C
47 lines
1.1 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 <string.h>
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#include <openssl/md4.h>
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#include <openssl/crypto.h>
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#ifdef CHARSET_EBCDIC
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# include <openssl/ebcdic.h>
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#endif
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unsigned char *MD4(const unsigned char *d, size_t n, unsigned char *md)
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{
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MD4_CTX c;
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static unsigned char m[MD4_DIGEST_LENGTH];
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if (md == NULL)
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md = m;
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if (!MD4_Init(&c))
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return NULL;
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#ifndef CHARSET_EBCDIC
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MD4_Update(&c, d, n);
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#else
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{
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char temp[1024];
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unsigned long chunk;
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while (n > 0) {
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chunk = (n > sizeof(temp)) ? sizeof(temp) : n;
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ebcdic2ascii(temp, d, chunk);
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MD4_Update(&c, temp, chunk);
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n -= chunk;
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d += chunk;
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}
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}
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#endif
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MD4_Final(md, &c);
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OPENSSL_cleanse(&c, sizeof(c)); /* security consideration */
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return md;
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}
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