adjusted to use the same API as the OpenSSL version of the MD5 functions

/***************************************************************************

 *                                  _   _ ____  _     

 *  Project                     ___| | | |  _ \| |    

 *                             / __| | | | |_) | |    

 *                            | (__| |_| |  _ <| |___ 

 *                             \___|\___/|_| \_\_____|

 *

 * Copyright (C) 1998 - 2003, Daniel Stenberg, <daniel@haxx.se>, et al.

 *

 * This software is licensed as described in the file COPYING, which

 * you should have received as part of this distribution. The terms

 * are also available at http://curl.haxx.se/docs/copyright.html.

 * 

 * You may opt to use, copy, modify, merge, publish, distribute and/or sell

 * copies of the Software, and permit persons to whom the Software is

 * furnished to do so, under the terms of the COPYING file.

 *

 * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY

 * KIND, either express or implied.

 *

 * $Id$

 ***************************************************************************/

#include "setup.h"

#ifndef USE_SSLEAY

/* This code segment is only used if OpenSSL is not provided, as if it is

   we use the MD5-function provided there instead. No good duplicating

   code! */

/* Copyright (C) 1991-2, RSA Data Security, Inc. Created 1991. All

rights reserved.

#include <string.h>

/* UINT2 defines a two byte word */

typedef unsigned short int UINT2;

/* UINT4 defines a four byte word */

typedef unsigned long int UINT4;

  unsigned char buffer[64];                         /* input buffer */

};

static void MD5Init(struct md5_ctx *);

static void MD5Update(struct md5_ctx *, unsigned char *, unsigned int);

static void MD5Final(unsigned char [16], struct md5_ctx *);

typedef struct md5_ctx MD5_CTX;

static void MD5_Init(struct md5_ctx *);

static void MD5_Update(struct md5_ctx *, unsigned char *, unsigned int);

static void MD5_Final(unsigned char [16], struct md5_ctx *);

/* Constants for MD5Transform routine.

 */

/* MD5 initialization. Begins an MD5 operation, writing a new context.

 */

static void MD5Init (context)

static void MD5_Init (context)

struct md5_ctx *context;                                        /* context */

{

  context->count[0] = context->count[1] = 0;

  operation, processing another message block, and updating the

  context.

 */

static void MD5Update (context, input, inputLen)

static void MD5_Update (context, input, inputLen)

struct md5_ctx *context;                                        /* context */

unsigned char *input;                                /* input block */

unsigned int inputLen;                     /* length of input block */

/* MD5 finalization. Ends an MD5 message-digest operation, writing the

  the message digest and zeroizing the context.

 */

static void MD5Final (digest, context)

static void MD5_Final (digest, context)

unsigned char digest[16];                         /* message digest */

struct md5_ctx *context;                                       /* context */

{

  /* Pad out to 56 mod 64. */

  index = (unsigned int)((context->count[0] >> 3) & 0x3f);

  padLen = (index < 56) ? (56 - index) : (120 - index);

  MD5Update (context, PADDING, padLen);

  MD5_Update (context, PADDING, padLen);

  /* Append length (before padding) */

  MD5Update (context, bits, 8);

  MD5_Update (context, bits, 8);

  /* Store state in digest */

  Encode (digest, context->state, 16);

      (((UINT4)input[j+2]) << 16) | (((UINT4)input[j+3]) << 24);

}

#else

/* If OpenSSL is present */

#include <openssl/md5.h>

#include <string.h>

#endif

void Curl_md5it(unsigned char *outbuffer, /* 16 bytes */

                unsigned char *input)

{

  struct md5_ctx ctx;

  MD5Init(&ctx);

  MD5Update(&ctx, input, strlen((char *)input));

  MD5Final(outbuffer, &ctx);

  MD5_CTX ctx;

  MD5_Init(&ctx);

  MD5_Update(&ctx, input, strlen((char *)input));

  MD5_Final(outbuffer, &ctx);

}