[GNUnet-SVN] [gnurl] 50/220: md4: Move the GNU TLS gcrypt MD4 implementation out of the NTLM code

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ng0 pushed a commit to branch master
in repository gnurl.

commit c89365929bb5d4eda4d234b3d82e89192b74ca47
Author: Steve Holme <address@hidden>
AuthorDate: Sun Apr 14 02:09:52 2019 +0100

    md4: Move the GNU TLS gcrypt MD4 implementation out of the NTLM code
---
 lib/curl_md4.h       |  6 ++++--
 lib/curl_ntlm_core.c |  8 ++------
 lib/md4.c            | 36 +++++++++++++++++++++++++++++++++---
 3 files changed, 39 insertions(+), 11 deletions(-)

diff --git a/lib/curl_md4.h b/lib/curl_md4.h
index b70ed0d88..f41e3921d 100644
--- a/lib/curl_md4.h
+++ b/lib/curl_md4.h
@@ -29,10 +29,12 @@
     (defined(USE_OPENSSL) && defined(OPENSSL_NO_MD4)) || \
     (defined(USE_MBEDTLS) && !defined(MBEDTLS_MD4_C))
 
+#define MD4_DIGEST_LENGTH 16
+
 void Curl_md4it(unsigned char *output, const unsigned char *input, size_t len);
 
-#endif /* defined(USE_GNUTLS_NETTLE) || defined(USE_NSS) ||
-    defined(USE_OS400CRYPTO) ||
+#endif /* defined(USE_GNUTLS_NETTLE) || defined(USE_GNUTLS) ||
+    defined(USE_NSS) || defined(USE_OS400CRYPTO) ||
     (defined(USE_OPENSSL) && defined(OPENSSL_NO_MD4)) ||
     (defined(USE_MBEDTLS) && !defined(MBEDTLS_MD4_C)) */
 
diff --git a/lib/curl_ntlm_core.c b/lib/curl_ntlm_core.c
index d840aed47..d1b508cb7 100644
--- a/lib/curl_ntlm_core.c
+++ b/lib/curl_ntlm_core.c
@@ -83,9 +83,9 @@
 
 #elif defined(USE_GNUTLS)
 
+#  include "curl_md4.h"
 #  include <gcrypt.h>
 #  define MD5_DIGEST_LENGTH 16
-#  define MD4_DIGEST_LENGTH 16
 
 #elif defined(USE_NSS)
 
@@ -580,11 +580,7 @@ CURLcode Curl_ntlm_core_mk_nt_hash(struct Curl_easy *data,
 #elif defined(USE_GNUTLS_NETTLE)
     Curl_md4it(ntbuffer, pw, 2 * len);
 #elif defined(USE_GNUTLS)
-    gcry_md_hd_t MD4pw;
-    gcry_md_open(&MD4pw, GCRY_MD_MD4, 0);
-    gcry_md_write(MD4pw, pw, 2 * len);
-    memcpy(ntbuffer, gcry_md_read(MD4pw, 0), MD4_DIGEST_LENGTH);
-    gcry_md_close(MD4pw);
+    Curl_md4it(ntbuffer, pw, 2 * len);
 #elif defined(USE_NSS)
     Curl_md4it(ntbuffer, pw, 2 * len);
 #elif defined(USE_MBEDTLS)
diff --git a/lib/md4.c b/lib/md4.c
index 6e82990b5..6bc2c6f65 100644
--- a/lib/md4.c
+++ b/lib/md4.c
@@ -57,6 +57,34 @@ static void MD4_Final(unsigned char *result, MD4_CTX *ctx)
   md4_digest(ctx, MD4_DIGEST_SIZE, result);
 }
 
+#elif defined(USE_GNUTLS)
+
+#include <gcrypt.h>
+
+#include "curl_md4.h"
+#include "warnless.h"
+#include "curl_memory.h"
+/* The last #include file should be: */
+#include "memdebug.h"
+
+typedef struct gcry_md_hd_t MD4_CTX;
+
+static void MD4_Init(MD4_CTX *ctx)
+{
+  gcry_md_open(ctx, GCRY_MD_MD4, 0);
+}
+
+static void MD4_Update(MD4_CTX *ctx, const void *data, unsigned long size)
+{
+  gcry_md_write(*ctx, data, size);
+}
+
+static void MD4_Final(unsigned char *result, MD4_CTX *ctx)
+{
+  memcpy(result, gcry_md_read(ctx, 0), MD4_DIGEST_LENGTH);
+  gcry_md_close(ctx);
+}
+
 #elif defined(USE_NSS) || defined(USE_OS400CRYPTO) || \
     (defined(USE_OPENSSL) && defined(OPENSSL_NO_MD4)) || \
     (defined(USE_MBEDTLS) && !defined(MBEDTLS_MD4_C))
@@ -357,8 +385,9 @@ static void MD4_Final(unsigned char *result, MD4_CTX *ctx)
 
 #endif /* CRYPTO LIBS */
 
-#if defined(USE_GNUTLS_NETTLE) || defined(USE_NSS) || \
-    defined(USE_OS400CRYPTO) || \
+#if defined(USE_GNUTLS_NETTLE) || defined(USE_GNUTLS) || \
+    defined(USE_NSS) || defined(USE_OS400CRYPTO) || \
+    (defined(USE_OPENSSL) && defined(OPENSSL_NO_MD4)) || \
     (defined(USE_OPENSSL) && defined(OPENSSL_NO_MD4)) || \
     (defined(USE_MBEDTLS) && !defined(MBEDTLS_MD4_C))
 
@@ -370,7 +399,8 @@ void Curl_md4it(unsigned char *output, const unsigned char 
*input, size_t len)
   MD4_Final(output, &ctx);
 }
 
-#endif /* defined(USE_NSS) || defined(USE_OS400CRYPTO) ||
+#endif /* defined(USE_GNUTLS_NETTLE) || defined(USE_GNUTLS) ||
+    defined(USE_NSS) || defined(USE_OS400CRYPTO) ||
     defined(USE_OS400CRYPTO) ||
     (defined(USE_OPENSSL) && defined(OPENSSL_NO_MD4)) ||
     (defined(USE_MBEDTLS) && !defined(MBEDTLS_MD4_C)) */

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