/***************************************************************************
- * _ _ ____ _
- * Project ___| | | | _ \| |
- * / __| | | | |_) | |
- * | (__| |_| | _ <| |___
+ * _ _ ____ _
+ * Project ___| | | | _ \| |
+ * / __| | | | |_) | |
+ * | (__| |_| | _ <| |___
* \___|\___/|_| \_\_____|
*
- * Copyright (C) 1998 - 2003, Daniel Stenberg, <daniel@haxx.se>, et al.
+ * Copyright (C) 1998 - 2012, 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"
+#include "curl_setup.h"
+
+#ifndef CURL_DISABLE_CRYPTO_AUTH
+
+#include "curl_md5.h"
+#include "curl_hmac.h"
+#include "warnless.h"
+
+#include "curl_memory.h"
+
+#if defined(USE_GNUTLS_NETTLE)
+
+#include <nettle/md5.h>
+/* The last #include file should be: */
+#include "memdebug.h"
+
+typedef struct md5_ctx MD5_CTX;
+
+static void MD5_Init(MD5_CTX * ctx)
+{
+ md5_init(ctx);
+}
+
+static void MD5_Update(MD5_CTX * ctx,
+ const unsigned char * input,
+ unsigned int inputLen)
+{
+ md5_update(ctx, inputLen, input);
+}
+
+static void MD5_Final(unsigned char digest[16], MD5_CTX * ctx)
+{
+ md5_digest(ctx, 16, digest);
+}
+
+#elif defined(USE_GNUTLS)
+
+#include <gcrypt.h>
+/* The last #include file should be: */
+#include "memdebug.h"
+
+typedef gcry_md_hd_t MD5_CTX;
+
+static void MD5_Init(MD5_CTX * ctx)
+{
+ gcry_md_open(ctx, GCRY_MD_MD5, 0);
+}
+
+static void MD5_Update(MD5_CTX * ctx,
+ const unsigned char * input,
+ unsigned int inputLen)
+{
+ gcry_md_write(*ctx, input, inputLen);
+}
+
+static void MD5_Final(unsigned char digest[16], MD5_CTX * ctx)
+{
+ memcpy(digest, gcry_md_read(*ctx, 0), 16);
+ gcry_md_close(*ctx);
+}
+
+#elif defined(USE_SSLEAY)
+/* When OpenSSL is available we use the MD5-function from OpenSSL */
+
+# ifdef USE_OPENSSL
+# include <openssl/md5.h>
+# else
+# include <md5.h>
+# endif
+
+#elif (defined(__MAC_OS_X_VERSION_MAX_ALLOWED) && \
+ (__MAC_OS_X_VERSION_MAX_ALLOWED >= 1040)) || \
+ (defined(__IPHONE_OS_VERSION_MAX_ALLOWED) && \
+ (__IPHONE_OS_VERSION_MAX_ALLOWED >= 20000))
+
+/* For Apple operating systems: CommonCrypto has the functions we need.
+ These functions are available on Tiger and later, as well as iOS 2.0
+ and later. If you're building for an older cat, well, sorry.
+
+ Declaring the functions as static like this seems to be a bit more
+ reliable than defining COMMON_DIGEST_FOR_OPENSSL on older cats. */
+# include <CommonCrypto/CommonDigest.h>
+# define MD5_CTX CC_MD5_CTX
+
+static void MD5_Init(MD5_CTX *ctx)
+{
+ CC_MD5_Init(ctx);
+}
+
+static void MD5_Update(MD5_CTX *ctx,
+ const unsigned char *input,
+ unsigned int inputLen)
+{
+ CC_MD5_Update(ctx, input, inputLen);
+}
+
+static void MD5_Final(unsigned char digest[16], MD5_CTX *ctx)
+{
+ CC_MD5_Final(digest, ctx);
+}
+
+#elif defined(_WIN32)
+
+#include <wincrypt.h>
+
+typedef struct {
+ HCRYPTPROV hCryptProv;
+ HCRYPTHASH hHash;
+} MD5_CTX;
+
+static void MD5_Init(MD5_CTX *ctx)
+{
+ if(CryptAcquireContext(&ctx->hCryptProv, NULL, NULL,
+ PROV_RSA_FULL, CRYPT_VERIFYCONTEXT)) {
+ CryptCreateHash(ctx->hCryptProv, CALG_MD5, 0, 0, &ctx->hHash);
+ }
+}
+
+static void MD5_Update(MD5_CTX *ctx,
+ const unsigned char *input,
+ unsigned int inputLen)
+{
+ CryptHashData(ctx->hHash, (unsigned char *)input, inputLen, 0);
+}
-#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! */
+static void MD5_Final(unsigned char digest[16], MD5_CTX *ctx)
+{
+ unsigned long length = 0;
+ CryptGetHashParam(ctx->hHash, HP_HASHVAL, NULL, &length, 0);
+ if(length == 16)
+ CryptGetHashParam(ctx->hHash, HP_HASHVAL, digest, &length, 0);
+ if(ctx->hHash)
+ CryptDestroyHash(ctx->hHash);
+ if(ctx->hCryptProv)
+ CryptReleaseContext(ctx->hCryptProv, 0);
+}
+
+#else
+/* When no other crypto library is available we use this code segment */
/* Copyright (C) 1991-2, RSA Data Security, Inc. Created 1991. All
rights reserved.
documentation and/or software.
*/
-#include <string.h>
-
/* UINT4 defines a four byte word */
typedef unsigned int UINT4;
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_Update(struct md5_ctx *, const unsigned char *, unsigned int);
static void MD5_Final(unsigned char [16], struct md5_ctx *);
/* Constants for MD5Transform routine.
#define S43 15
#define S44 21
-static void MD5Transform(UINT4 [4], unsigned char [64]);
+static void MD5Transform(UINT4 [4], const unsigned char [64]);
static void Encode(unsigned char *, UINT4 *, unsigned int);
-static void Decode(UINT4 *, unsigned char *, unsigned int);
-
-#define MD5_memcpy(dst,src,len) memcpy(dst,src,len)
-#define MD5_memset(dst,val,len) memset(dst,val,len)
+static void Decode(UINT4 *, const unsigned char *, unsigned int);
-static unsigned char PADDING[64] = {
+static const unsigned char PADDING[64] = {
0x80, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0
/* MD5 initialization. Begins an MD5 operation, writing a new context.
*/
-static void MD5_Init (context)
-struct md5_ctx *context; /* context */
+static void MD5_Init(struct md5_ctx *context)
{
context->count[0] = context->count[1] = 0;
- /* Load magic initialization constants.
-*/
+ /* Load magic initialization constants. */
context->state[0] = 0x67452301;
context->state[1] = 0xefcdab89;
context->state[2] = 0x98badcfe;
operation, processing another message block, and updating the
context.
*/
-static void MD5_Update (context, input, inputLen)
-struct md5_ctx *context; /* context */
-unsigned char *input; /* input block */
-unsigned int inputLen; /* length of input block */
+static void MD5_Update (struct md5_ctx *context, /* context */
+ const unsigned char *input, /* input block */
+ unsigned int inputLen) /* length of input block */
{
- unsigned int i, index, partLen;
+ unsigned int i, bufindex, partLen;
/* Compute number of bytes mod 64 */
- index = (unsigned int)((context->count[0] >> 3) & 0x3F);
+ bufindex = (unsigned int)((context->count[0] >> 3) & 0x3F);
/* Update number of bits */
- if ((context->count[0] += ((UINT4)inputLen << 3))
+ if((context->count[0] += ((UINT4)inputLen << 3))
< ((UINT4)inputLen << 3))
context->count[1]++;
context->count[1] += ((UINT4)inputLen >> 29);
-
- partLen = 64 - index;
+
+ partLen = 64 - bufindex;
/* Transform as many times as possible. */
- if (inputLen >= partLen) {
- MD5_memcpy((void *)&context->buffer[index], (void *)input, partLen);
+ if(inputLen >= partLen) {
+ memcpy(&context->buffer[bufindex], input, partLen);
MD5Transform(context->state, context->buffer);
-
- for (i = partLen; i + 63 < inputLen; i += 64)
+
+ for(i = partLen; i + 63 < inputLen; i += 64)
MD5Transform(context->state, &input[i]);
-
- index = 0;
+
+ bufindex = 0;
}
else
i = 0;
/* Buffer remaining input */
- MD5_memcpy((void *)&context->buffer[index], (void *)&input[i],
- inputLen-i);
+ memcpy(&context->buffer[bufindex], &input[i], inputLen-i);
}
/* MD5 finalization. Ends an MD5 message-digest operation, writing the
- the message digest and zeroizing the context.
- */
-static void MD5_Final (digest, context)
-unsigned char digest[16]; /* message digest */
-struct md5_ctx *context; /* context */
+ the message digest and zeroizing the context.
+*/
+static void MD5_Final(unsigned char digest[16], /* message digest */
+ struct md5_ctx *context) /* context */
{
unsigned char bits[8];
- unsigned int index, padLen;
+ unsigned int count, padLen;
/* Save number of bits */
Encode (bits, context->count, 8);
/* Pad out to 56 mod 64. */
- index = (unsigned int)((context->count[0] >> 3) & 0x3f);
- padLen = (index < 56) ? (56 - index) : (120 - index);
+ count = (unsigned int)((context->count[0] >> 3) & 0x3f);
+ padLen = (count < 56) ? (56 - count) : (120 - count);
MD5_Update (context, PADDING, padLen);
/* Append length (before padding) */
Encode (digest, context->state, 16);
/* Zeroize sensitive information. */
- MD5_memset ((void *)context, 0, sizeof (*context));
+ memset ((void *)context, 0, sizeof (*context));
}
/* MD5 basic transformation. Transforms state based on block. */
-static void MD5Transform (state, block)
-UINT4 state[4];
-unsigned char block[64];
+static void MD5Transform(UINT4 state[4],
+ const unsigned char block[64])
{
UINT4 a = state[0], b = state[1], c = state[2], d = state[3], x[16];
state[3] += d;
/* Zeroize sensitive information. */
- MD5_memset ((void *)x, 0, sizeof (x));
+ memset((void *)x, 0, sizeof (x));
}
/* Encodes input (UINT4) into output (unsigned char). Assumes len is
{
unsigned int i, j;
- for (i = 0, j = 0; j < len; i++, j += 4) {
+ for(i = 0, j = 0; j < len; i++, j += 4) {
output[j] = (unsigned char)(input[i] & 0xff);
output[j+1] = (unsigned char)((input[i] >> 8) & 0xff);
output[j+2] = (unsigned char)((input[i] >> 16) & 0xff);
a multiple of 4.
*/
static void Decode (UINT4 *output,
- unsigned char *input,
+ const unsigned char *input,
unsigned int len)
{
unsigned int i, j;
- for (i = 0, j = 0; j < len; i++, j += 4)
+ for(i = 0, j = 0; j < len; i++, j += 4)
output[i] = ((UINT4)input[j]) | (((UINT4)input[j+1]) << 8) |
(((UINT4)input[j+2]) << 16) | (((UINT4)input[j+3]) << 24);
}
-#else
-/* If OpenSSL is present */
-#include <openssl/md5.h>
-#include <string.h>
-#endif
+#endif /* CRYPTO LIBS */
+
+/* The last #include file should be: */
+#include "memdebug.h"
+const HMAC_params Curl_HMAC_MD5[] = {
+ {
+ (HMAC_hinit_func) MD5_Init, /* Hash initialization function. */
+ (HMAC_hupdate_func) MD5_Update, /* Hash update function. */
+ (HMAC_hfinal_func) MD5_Final, /* Hash computation end function. */
+ sizeof(MD5_CTX), /* Size of hash context structure. */
+ 64, /* Maximum key length. */
+ 16 /* Result size. */
+ }
+};
+
+const MD5_params Curl_DIGEST_MD5[] = {
+ {
+ (Curl_MD5_init_func) MD5_Init, /* Digest initialization function */
+ (Curl_MD5_update_func) MD5_Update, /* Digest update function */
+ (Curl_MD5_final_func) MD5_Final, /* Digest computation end function */
+ sizeof(MD5_CTX), /* Size of digest context struct */
+ 16 /* Result size */
+ }
+};
void Curl_md5it(unsigned char *outbuffer, /* 16 bytes */
- unsigned char *input)
+ const unsigned char *input)
{
MD5_CTX ctx;
MD5_Init(&ctx);
- MD5_Update(&ctx, input, strlen((char *)input));
+ MD5_Update(&ctx, input, curlx_uztoui(strlen((char *)input)));
MD5_Final(outbuffer, &ctx);
}
+
+MD5_context *Curl_MD5_init(const MD5_params *md5params)
+{
+ MD5_context *ctxt;
+
+ /* Create MD5 context */
+ ctxt = malloc(sizeof *ctxt);
+
+ if(!ctxt)
+ return ctxt;
+
+ ctxt->md5_hashctx = malloc(md5params->md5_ctxtsize);
+
+ if(!ctxt->md5_hashctx) {
+ free(ctxt);
+ return NULL;
+ }
+
+ ctxt->md5_hash = md5params;
+
+ (*md5params->md5_init_func)(ctxt->md5_hashctx);
+
+ return ctxt;
+}
+
+int Curl_MD5_update(MD5_context *context,
+ const unsigned char *data,
+ unsigned int len)
+{
+ (*context->md5_hash->md5_update_func)(context->md5_hashctx, data, len);
+
+ return 0;
+}
+
+int Curl_MD5_final(MD5_context *context, unsigned char *result)
+{
+ (*context->md5_hash->md5_final_func)(result, context->md5_hashctx);
+
+ free(context->md5_hashctx);
+ free(context);
+
+ return 0;
+}
+
+#endif /* CURL_DISABLE_CRYPTO_AUTH */
projects / platform / upstream / curl.git / blobdiff