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md5.c: Added support for Microsoft Windows CryptoAPI

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This commit is contained in:
Marc Hoersken 2012-09-11 14:12:41 +02:00
parent c44e6741ce
commit 4d384a8714
1 changed files with 42 additions and 13 deletions
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55
lib/md5.c
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@ -28,7 +28,7 @@
#include "curl_hmac.h" #include "curl_hmac.h"
#include "warnless.h" #include "warnless.h"
#ifdef USE_GNUTLS_NETTLE #if defined(USE_GNUTLS_NETTLE)
#include <nettle/md5.h> #include <nettle/md5.h>
@ -50,9 +50,8 @@ static void MD5_Final(unsigned char digest[16], MD5_CTX * ctx)
{ {
md5_digest(ctx, 16, digest); md5_digest(ctx, 16, digest);
} }
#else
#ifdef USE_GNUTLS #elif defined(USE_GNUTLS)
#include <gcrypt.h> #include <gcrypt.h>
@ -76,9 +75,7 @@ static void MD5_Final(unsigned char digest[16], MD5_CTX * ctx)
gcry_md_close(*ctx); gcry_md_close(*ctx);
} }
#else #elif defined(USE_SSLEAY)
#ifdef USE_SSLEAY
/* When OpenSSL is available we use the MD5-function from OpenSSL */ /* When OpenSSL is available we use the MD5-function from OpenSSL */
# ifdef USE_OPENSSL # ifdef USE_OPENSSL
@ -87,8 +84,44 @@ static void MD5_Final(unsigned char digest[16], MD5_CTX * ctx)
# include <md5.h> # include <md5.h>
# endif # endif
#else /* USE_SSLEAY */ #elif defined(_WIN32)
/* When OpenSSL is not available we use this code segment */
#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);
}
static void MD5_Final(unsigned char digest[16], MD5_CTX *ctx)
{
unsigned long length;
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 /* Copyright (C) 1991-2, RSA Data Security, Inc. Created 1991. All
rights reserved. rights reserved.
@ -390,11 +423,7 @@ 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);
} }
#endif /* USE_SSLEAY */ #endif /* CRYPTO LIBS */
#endif /* USE_GNUTLS */
#endif /* USE_GNUTLS_NETTLE */
const HMAC_params Curl_HMAC_MD5[] = { const HMAC_params Curl_HMAC_MD5[] = {
{ {