[GNUnet-SVN] [gnurl] 49/220: md4: Move the GNU TLS Nettle MD4 implementation out of the NTLM code

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ng0 pushed a commit to branch master
in repository gnurl.

commit 78e263676b6f75fed852db651887a099137e72cb
Author: Steve Holme <address@hidden>
AuthorDate: Sun Apr 14 01:55:18 2019 +0100

    md4: Move the GNU TLS Nettle MD4 implementation out of the NTLM code
---
 lib/curl_md4.h       |  6 ++--
 lib/curl_ntlm_core.c |  7 ++--
 lib/md4.c            | 92 ++++++++++++++++++++++++++++++++++++++++++----------
 3 files changed, 80 insertions(+), 25 deletions(-)

diff --git a/lib/curl_md4.h b/lib/curl_md4.h
index 392203f9e..b70ed0d88 100644
--- a/lib/curl_md4.h
+++ b/lib/curl_md4.h
@@ -24,13 +24,15 @@
 
 #include "curl_setup.h"
 
-#if defined(USE_NSS) || defined(USE_OS400CRYPTO) || \
+#if defined(USE_GNUTLS_NETTLE) || defined(USE_NSS) || \
+    defined(USE_OS400CRYPTO) || \
     (defined(USE_OPENSSL) && defined(OPENSSL_NO_MD4)) || \
     (defined(USE_MBEDTLS) && !defined(MBEDTLS_MD4_C))
 
 void Curl_md4it(unsigned char *output, const unsigned char *input, size_t len);
 
-#endif /* defined(USE_NSS) || defined(USE_OS400CRYPTO) ||
+#endif /* defined(USE_GNUTLS_NETTLE) || 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 ce6f22392..d840aed47 100644
--- a/lib/curl_ntlm_core.c
+++ b/lib/curl_ntlm_core.c
@@ -79,7 +79,7 @@
 #elif defined(USE_GNUTLS_NETTLE)
 
 #  include <nettle/des.h>
-#  include <nettle/md4.h>
+#  include "curl_md4.h"
 
 #elif defined(USE_GNUTLS)
 
@@ -578,10 +578,7 @@ CURLcode Curl_ntlm_core_mk_nt_hash(struct Curl_easy *data,
     Curl_md4it(ntbuffer, pw, 2 * len);
 #endif
 #elif defined(USE_GNUTLS_NETTLE)
-    struct md4_ctx MD4pw;
-    md4_init(&MD4pw);
-    md4_update(&MD4pw, (unsigned int)(2 * len), pw);
-    md4_digest(&MD4pw, MD4_DIGEST_SIZE, ntbuffer);
+    Curl_md4it(ntbuffer, pw, 2 * len);
 #elif defined(USE_GNUTLS)
     gcry_md_hd_t MD4pw;
     gcry_md_open(&MD4pw, GCRY_MD_MD4, 0);
diff --git a/lib/md4.c b/lib/md4.c
index 0b4ea9a3c..6e82990b5 100644
--- a/lib/md4.c
+++ b/lib/md4.c
@@ -1,5 +1,69 @@
-/*
- * !checksrc! disable COPYRIGHT
+/***************************************************************************
+ *                                  _   _ ____  _
+ *  Project                     ___| | | |  _ \| |
+ *                             / __| | | | |_) | |
+ *                            | (__| |_| |  _ <| |___
+ *                             \___|\___/|_| \_\_____|
+ *
+ * Copyright (C) 1998 - 2019, Daniel Stenberg, <address@hidden>, et al.
+ *
+ * This software is licensed as described in the file COPYING, which
+ * you should have received as part of this distribution. The terms
+ * are also available at https://curl.haxx.se/docs/copyright.html.
+ *
+ * You may opt to use, copy, modify, merge, publish, distribute and/or sell
+ * copies of the Software, and permit persons to whom the Software is
+ * furnished to do so, under the terms of the COPYING file.
+ *
+ * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
+ * KIND, either express or implied.
+ *
+ ***************************************************************************/
+
+#include "curl_setup.h"
+
+#ifdef USE_OPENSSL
+#include <openssl/opensslconf.h>
+#endif
+#ifdef USE_MBEDTLS
+#include <mbedtls/config.h>
+#endif
+
+#if defined(USE_GNUTLS_NETTLE)
+
+#include <nettle/md4.h>
+
+#include "curl_md4.h"
+#include "warnless.h"
+#include "curl_memory.h"
+
+/* The last #include file should be: */
+#include "memdebug.h"
+
+typedef struct md4_ctx MD4_CTX;
+
+static void MD4_Init(MD4_CTX *ctx)
+{
+  md4_init(ctx);
+}
+
+static void MD4_Update(MD4_CTX *ctx, const void *data, unsigned long size)
+{
+  md4_update(ctx, size, data);
+}
+
+static void MD4_Final(unsigned char *result, MD4_CTX *ctx)
+{
+  md4_digest(ctx, MD4_DIGEST_SIZE, result);
+}
+
+#elif defined(USE_NSS) || defined(USE_OS400CRYPTO) || \
+    (defined(USE_OPENSSL) && defined(OPENSSL_NO_MD4)) || \
+    (defined(USE_MBEDTLS) && !defined(MBEDTLS_MD4_C))
+/* The NSS, OS/400, and when not included, OpenSSL and mbed TLS crypto
+ * libraries do not provide the MD4 hash algorithm, so we use this
+ * implementation of it
+ *
  * This is an OpenSSL-compatible implementation of the RSA Data Security, Inc.
  * MD4 Message-Digest Algorithm (RFC 1320).
  *
@@ -36,22 +100,6 @@
  * compile-time configuration.
  */
 
-#include "curl_setup.h"
-
-#ifdef USE_OPENSSL
-#include <openssl/opensslconf.h>
-#endif
-#ifdef USE_MBEDTLS
-#include <mbedtls/config.h>
-#endif
-
-/* The NSS, OS/400, and when not included, OpenSSL and mbed TLS crypto
- * libraries do not provide the MD4 hash algorithm, so we use this
- * implementation of it */
-#if defined(USE_NSS) || defined(USE_OS400CRYPTO) || \
-    (defined(USE_OPENSSL) && defined(OPENSSL_NO_MD4)) || \
-    (defined(USE_MBEDTLS) && !defined(MBEDTLS_MD4_C))
-
 #include "curl_md4.h"
 #include "warnless.h"
 
@@ -307,6 +355,13 @@ static void MD4_Final(unsigned char *result, MD4_CTX *ctx)
 
 #endif
 
+#endif /* CRYPTO LIBS */
+
+#if defined(USE_GNUTLS_NETTLE) || defined(USE_NSS) || \
+    defined(USE_OS400CRYPTO) || \
+    (defined(USE_OPENSSL) && defined(OPENSSL_NO_MD4)) || \
+    (defined(USE_MBEDTLS) && !defined(MBEDTLS_MD4_C))
+
 void Curl_md4it(unsigned char *output, const unsigned char *input, size_t len)
 {
   MD4_CTX ctx;
@@ -316,5 +371,6 @@ void Curl_md4it(unsigned char *output, const unsigned char 
*input, size_t len)
 }
 
 #endif /* 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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