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authorMarc Hoersken <info@marc-hoersken.de>2012-09-11 14:12:41 +0200
committerMarc Hoersken <info@marc-hoersken.de>2012-09-11 14:12:41 +0200
commit4d384a87142dccb13b8198147b5db15a4aaa9906 (patch)
treec6b997574643bc9c918b0f89c9e9c6cb755464ac
parentc44e6741ce673c4267da1db18a7ede4c59f06c7d (diff)
md5.c: Added support for Microsoft Windows CryptoAPI
-rw-r--r--lib/md5.c55
1 files changed, 42 insertions, 13 deletions
diff --git a/lib/md5.c b/lib/md5.c
index c32455e9e..eda1fe80b 100644
--- a/lib/md5.c
+++ b/lib/md5.c
@@ -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[] = {
{