Add support for using nettle instead of gcrypt as gnutls backend

1 files changed, 26 insertions, 0 deletions

diff --git a/lib/md5.c b/lib/md5.c
index f26e02752..cf8e053e3 100644
--- a/lib/md5.c
+++ b/lib/md5.c
@@ -27,6 +27,30 @@
 #include "curl_md5.h"
 #include "curl_hmac.h"
 
+#ifdef USE_GNUTLS_NETTLE
+
+#include <nettle/md5.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);
+}
+#else
+
 #ifdef USE_GNUTLS
 
 #include <gcrypt.h>
@@ -369,6 +393,8 @@ static void Decode (UINT4 *output,
 
 #endif /* USE_GNUTLS */
 
+#endif /* USE_GNUTLS_NETTLE */
+
 const HMAC_params Curl_HMAC_MD5[] = {
   {
     (HMAC_hinit_func) MD5_Init,           /* Hash initialization function. */