Commit 4d384a87 authored by Marc Hoersken's avatar Marc Hoersken
Browse files

md5.c: Added support for Microsoft Windows CryptoAPI

parent c44e6741

lib/md5.c

+42 −13
Original line number Diff line number Diff line
@@ -28,7 +28,7 @@ 
#include "curl_hmac.h"

#include "warnless.h"



#ifdef USE_GNUTLS_NETTLE

#if defined(USE_GNUTLS_NETTLE)



#include <nettle/md5.h>
@@ -50,9 +50,8 @@ static void MD5_Final(unsigned char digest[16], MD5_CTX * ctx) 
{

  md5_digest(ctx, 16, digest);

}

#else



#ifdef USE_GNUTLS

#elif defined(USE_GNUTLS)



#include <gcrypt.h>
@@ -76,9 +75,7 @@ static void MD5_Final(unsigned char digest[16], MD5_CTX * ctx) 
  gcry_md_close(*ctx);

}



#else



#ifdef USE_SSLEAY

#elif defined(USE_SSLEAY)

/* When OpenSSL is available we use the MD5-function from OpenSSL */



#  ifdef USE_OPENSSL
@@ -87,8 +84,44 @@ static void MD5_Final(unsigned char digest[16], MD5_CTX * ctx) 
#    include <md5.h>

#  endif



#else /* USE_SSLEAY */

/* When OpenSSL is not available we use this code segment */

#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);

}



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

rights reserved.
@@ -390,11 +423,7 @@ static void Decode (UINT4 *output, 
      (((UINT4)input[j+2]) << 16) | (((UINT4)input[j+3]) << 24);

}



#endif /* USE_SSLEAY */



#endif /* USE_GNUTLS */



#endif /* USE_GNUTLS_NETTLE */

#endif /* CRYPTO LIBS */



const HMAC_params Curl_HMAC_MD5[] = {

  {