mirror of
https://github.com/CloverHackyColor/CloverBootloader.git
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54 lines
1.3 KiB
C
54 lines
1.3 KiB
C
/*
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* Copyright 1995-2020 The OpenSSL Project Authors. All Rights Reserved.
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*
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* Licensed under the Apache License 2.0 (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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/*
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* MD5 low level APIs are deprecated for public use, but still ok for
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* internal use.
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*/
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#include "internal/deprecated.h"
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#include <stdio.h>
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#include <string.h>
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#include <openssl/md5.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 *MD5(const unsigned char *d, size_t n, unsigned char *md)
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{
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MD5_CTX c;
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static unsigned char m[MD5_DIGEST_LENGTH];
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if (md == NULL)
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md = m;
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if (!MD5_Init(&c))
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return NULL;
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#ifndef CHARSET_EBCDIC
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MD5_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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MD5_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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MD5_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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