1 /* crypto/md5/md5_one.c */

     2 /* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)

     3  * All rights reserved.

     4  *

     5  * This package is an SSL implementation written

     6  * by Eric Young (eay@cryptsoft.com).

     7  * The implementation was written so as to conform with Netscapes SSL.

     8  * 

     9  * This library is free for commercial and non-commercial use as long as

    10  * the following conditions are aheared to.  The following conditions

    11  * apply to all code found in this distribution, be it the RC4, RSA,

    12  * lhash, DES, etc., code; not just the SSL code.  The SSL documentation

    13  * included with this distribution is covered by the same copyright terms

    14  * except that the holder is Tim Hudson (tjh@cryptsoft.com).

    15  * 

    16  * Copyright remains Eric Young's, and as such any Copyright notices in

    17  * the code are not to be removed.

    18  * If this package is used in a product, Eric Young should be given attribution

    19  * as the author of the parts of the library used.

    20  * This can be in the form of a textual message at program startup or

    21  * in documentation (online or textual) provided with the package.

    22  * 

    23  * Redistribution and use in source and binary forms, with or without

    24  * modification, are permitted provided that the following conditions

    25  * are met:

    26  * 1. Redistributions of source code must retain the copyright

    27  *    notice, this list of conditions and the following disclaimer.

    28  * 2. Redistributions in binary form must reproduce the above copyright

    29  *    notice, this list of conditions and the following disclaimer in the

    30  *    documentation and/or other materials provided with the distribution.

    31  * 3. All advertising materials mentioning features or use of this software

    32  *    must display the following acknowledgement:

    33  *    "This product includes cryptographic software written by

    34  *     Eric Young (eay@cryptsoft.com)"

    35  *    The word 'cryptographic' can be left out if the rouines from the library

    36  *    being used are not cryptographic related :-).

    37  * 4. If you include any Windows specific code (or a derivative thereof) from 

    38  *    the apps directory (application code) you must include an acknowledgement:

    39  *    "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"

    40  * 

    41  * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND

    42  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE

    43  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE

    44  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE

    45  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL

    46  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS

    47  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)

    48  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT

    49  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY

    50  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF

    51  * SUCH DAMAGE.

    52  * 

    53  * The licence and distribution terms for any publically available version or

    54  * derivative of this code cannot be changed.  i.e. this code cannot simply be

    55  * copied and put under another distribution licence

    56  * [including the GNU Public Licence.]

    57  */

    58 /*

    59  © Portions copyright (c) 2006 Nokia Corporation.  All rights reserved.

    60  */

    61 

    62 #include <stdio.h>

    63 #include <string.h>

    64 #include <openssl/md5.h>

    65 #include <openssl/crypto.h>

    66 

    67 #ifdef CHARSET_EBCDIC

    68 #include <openssl/ebcdic.h>

    69 #endif

    70 #if (defined(SYMBIAN) && (defined(__WINSCW__) || defined(__WINS__)))

    71 #include "libcrypto_wsd_macros.h"

    72 #include "libcrypto_wsd.h"

    73 #endif

    74 

    75 #ifdef EMULATOR

    76 GET_STATIC_ARRAY_FROM_TLS(m,md5,unsigned char)

    77 #define m (GET_WSD_VAR_NAME(m,md5, s)())	

    78 #endif

    79 

    80 EXPORT_C unsigned char *MD5(const unsigned char *d, size_t n, unsigned char *md)

    81 	{

    82 	MD5_CTX c;

    83 #ifndef EMULATOR	

    84 	static unsigned char m[MD5_DIGEST_LENGTH];

    85 #endif	

    86 

    87 	if (md == NULL) md=m;

    88 	if (!MD5_Init(&c))

    89 		return NULL;

    90 #ifndef CHARSET_EBCDIC

    91 	MD5_Update(&c,d,n);

    92 #else

    93 	{

    94 		char temp[1024];

    95 		unsigned long chunk;

    96 

    97 		while (n > 0)

    98 		{

    99 			chunk = (n > sizeof(temp)) ? sizeof(temp) : n;

   100 			ebcdic2ascii(temp, d, chunk);

   101 			MD5_Update(&c,temp,chunk);

   102 			n -= chunk;

   103 			d += chunk;

   104 		}

   105 	}

   106 #endif

   107 	MD5_Final(md,&c);

   108 	OPENSSL_cleanse(&c,sizeof(c)); /* security consideration */

   109 	return(md);

   110 	}

   111