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

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This commit is contained in:
Daniel Stenberg 2003-06-26 11:27:22 +00:00
parent 84cedc094e
commit 8919b39d54
1 changed files with 51 additions and 15 deletions
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66
lib/md5.c
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@ -1,3 +1,33 @@
/***************************************************************************
* _ _ ____ _
* 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 /* Copyright (C) 1991-2, RSA Data Security, Inc. Created 1991. All
rights reserved. rights reserved.
@ -22,9 +52,6 @@ documentation and/or software.
#include <string.h> #include <string.h>
/* UINT2 defines a two byte word */
typedef unsigned short int UINT2;
/* UINT4 defines a four byte word */ /* UINT4 defines a four byte word */
typedef unsigned long int UINT4; typedef unsigned long int UINT4;
@ -35,9 +62,11 @@ struct md5_ctx {
unsigned char buffer[64]; /* input buffer */ unsigned char buffer[64]; /* input buffer */
}; };
static void MD5Init(struct md5_ctx *); typedef struct md5_ctx MD5_CTX;
static void MD5Update(struct md5_ctx *, unsigned char *, unsigned int);
static void MD5Final(unsigned char [16], struct 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. /* Constants for MD5Transform routine.
*/ */
@ -109,7 +138,7 @@ Rotation is separate from addition to prevent recomputation.
/* MD5 initialization. Begins an MD5 operation, writing a new context. /* MD5 initialization. Begins an MD5 operation, writing a new context.
*/ */
static void MD5Init (context) static void MD5_Init (context)
struct md5_ctx *context; /* context */ struct md5_ctx *context; /* context */
{ {
context->count[0] = context->count[1] = 0; context->count[0] = context->count[1] = 0;
@ -125,7 +154,7 @@ struct md5_ctx *context; /* context */
operation, processing another message block, and updating the operation, processing another message block, and updating the
context. context.
*/ */
static void MD5Update (context, input, inputLen) static void MD5_Update (context, input, inputLen)
struct md5_ctx *context; /* context */ struct md5_ctx *context; /* context */
unsigned char *input; /* input block */ unsigned char *input; /* input block */
unsigned int inputLen; /* length of input block */ unsigned int inputLen; /* length of input block */
@ -164,7 +193,7 @@ unsigned int inputLen; /* length of input block */
/* MD5 finalization. Ends an MD5 message-digest operation, writing the /* MD5 finalization. Ends an MD5 message-digest operation, writing the
the message digest and zeroizing the context. the message digest and zeroizing the context.
*/ */
static void MD5Final (digest, context) static void MD5_Final (digest, context)
unsigned char digest[16]; /* message digest */ unsigned char digest[16]; /* message digest */
struct md5_ctx *context; /* context */ struct md5_ctx *context; /* context */
{ {
@ -177,10 +206,10 @@ struct md5_ctx *context; /* context */
/* Pad out to 56 mod 64. */ /* Pad out to 56 mod 64. */
index = (unsigned int)((context->count[0] >> 3) & 0x3f); index = (unsigned int)((context->count[0] >> 3) & 0x3f);
padLen = (index < 56) ? (56 - index) : (120 - index); padLen = (index < 56) ? (56 - index) : (120 - index);
MD5Update (context, PADDING, padLen); MD5_Update (context, PADDING, padLen);
/* Append length (before padding) */ /* Append length (before padding) */
MD5Update (context, bits, 8); MD5_Update (context, bits, 8);
/* Store state in digest */ /* Store state in digest */
Encode (digest, context->state, 16); Encode (digest, context->state, 16);
@ -310,11 +339,18 @@ static void Decode (UINT4 *output,
(((UINT4)input[j+2]) << 16) | (((UINT4)input[j+3]) << 24); (((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 */ void Curl_md5it(unsigned char *outbuffer, /* 16 bytes */
unsigned char *input) unsigned char *input)
{ {
struct md5_ctx ctx; MD5_CTX ctx;
MD5Init(&ctx); MD5_Init(&ctx);
MD5Update(&ctx, input, strlen((char *)input)); MD5_Update(&ctx, input, strlen((char *)input));
MD5Final(outbuffer, &ctx); MD5_Final(outbuffer, &ctx);
} }