From 826e500242004b269219ad3deeacf0e01d136933 Mon Sep 17 00:00:00 2001
From: Andreas Schneider <asn@samba.org>
Date: Mon, 1 Jul 2019 16:54:15 +0200
Subject: [PATCH 001/187] s3:profile: Use SHA1 for hashing in profiling
 functions.

This can use SHA NI instructions if the CPU supports it.

BUG: https://bugzilla.samba.org/show_bug.cgi?id=14031

Signed-off-by: Andreas Schneider <asn@samba.org>
Reviewed-by: Ralph Boehme <slow@samba.org>
(cherry picked from commit 6fe2193b17ac2d57c559d3b936b37238d06d6be8)
---
 source3/profile/profile.c | 11 +++++------
 1 file changed, 5 insertions(+), 6 deletions(-)

diff --git a/source3/profile/profile.c b/source3/profile/profile.c
index df0ba5b0af3..90a30f01f58 100644
--- a/source3/profile/profile.c
+++ b/source3/profile/profile.c
@@ -124,7 +124,7 @@ static void reqprofile_message(struct messaging_context *msg_ctx,
   ******************************************************************/
 bool profile_setup(struct messaging_context *msg_ctx, bool rdonly)
 {
-	unsigned char tmp[16] = {};
+	uint8_t digest[gnutls_hash_get_len(GNUTLS_DIG_SHA1)];
 	gnutls_hash_hd_t hash_hnd = NULL;
 	char *db_name;
 	bool ok = false;
@@ -154,7 +154,7 @@ bool profile_setup(struct messaging_context *msg_ctx, bool rdonly)
 				   reqprofile_message);
 	}
 
-	rc = gnutls_hash_init(&hash_hnd, GNUTLS_DIG_MD5);
+	rc = gnutls_hash_init(&hash_hnd, GNUTLS_DIG_SHA1);
 	if (rc < 0) {
 		goto out;
 	}
@@ -210,15 +210,14 @@ bool profile_setup(struct messaging_context *msg_ctx, bool rdonly)
 		goto out;
 	}
 
-	gnutls_hash_deinit(hash_hnd, tmp);
+	gnutls_hash_deinit(hash_hnd, digest);
 
 	profile_p = &smbprofile_state.stats.global;
 
-	profile_p->magic = BVAL(tmp, 0);
+	profile_p->magic = BVAL(digest, 0);
 	if (profile_p->magic == 0) {
-		profile_p->magic = BVAL(tmp, 8);
+		profile_p->magic = BVAL(digest, 8);
 	}
-	ZERO_ARRAY(tmp);
 
 	ok = true;
 out:
-- 
2.23.0