From 6c13524378a7fa7571c0585a37efc8c635a82dab Mon Sep 17 00:00:00 2001
From: jacob <jacob@cda61777-01e9-0310-a592-d414129be87e>
Date: Wed, 29 Sep 2004 23:57:03 +0000
Subject: [PATCH] Mention the negotiated SSH-2 MAC algorithm(s) in the Event
 Log. (It should be possible to at least see what MAC is in use without going
 to a SSH packet log.)

git-svn-id: svn://svn.tartarus.org/sgt/putty@4591 cda61777-01e9-0310-a592-d414129be87e
---
 ssh.c    | 4 ++++
 ssh.h    | 1 +
 sshmd5.c | 3 ++-
 sshsha.c | 6 ++++--
 4 files changed, 11 insertions(+), 3 deletions(-)

diff --git a/ssh.c b/ssh.c
index d5a1a99b..5b5a6be7 100644
--- a/ssh.c
+++ b/ssh.c
@@ -4502,6 +4502,10 @@ static int do_ssh2_transport(Ssh ssh, unsigned char *in, int inlen, int ispkt)
 	      ssh->cscipher->text_name);
     logeventf(ssh, "Initialised %.200s server->client encryption",
 	      ssh->sccipher->text_name);
+    logeventf(ssh, "Initialised %.200s client->server MAC algorithm",
+	      ssh->csmac->text_name);
+    logeventf(ssh, "Initialised %.200s server->client MAC algorithm",
+	      ssh->scmac->text_name);
     if (ssh->cscomp->text_name)
 	logeventf(ssh, "Initialised %s compression",
 		  ssh->cscomp->text_name);
diff --git a/ssh.h b/ssh.h
index d7d17ffc..5e41b7ab 100644
--- a/ssh.h
+++ b/ssh.h
@@ -170,6 +170,7 @@ struct ssh_mac {
     int (*verify) (void *, unsigned char *blk, int len, unsigned long seq);
     char *name;
     int len;
+    char *text_name;
 };
 
 struct ssh_kex {
diff --git a/sshmd5.c b/sshmd5.c
index 89133408..325a5aeb 100644
--- a/sshmd5.c
+++ b/sshmd5.c
@@ -311,5 +311,6 @@ const struct ssh_mac ssh_md5 = {
     hmacmd5_make_context, hmacmd5_free_context, hmacmd5_key_16,
     hmacmd5_generate, hmacmd5_verify,
     "hmac-md5",
-    16
+    16,
+    "HMAC-MD5"
 };
diff --git a/sshsha.c b/sshsha.c
index d7c1f437..d545cf0c 100644
--- a/sshsha.c
+++ b/sshsha.c
@@ -286,12 +286,14 @@ const struct ssh_mac ssh_sha1 = {
     sha1_make_context, sha1_free_context, sha1_key,
     sha1_generate, sha1_verify,
     "hmac-sha1",
-    20
+    20,
+    "HMAC-SHA1"
 };
 
 const struct ssh_mac ssh_sha1_buggy = {
     sha1_make_context, sha1_free_context, sha1_key_buggy,
     sha1_generate, sha1_verify,
     "hmac-sha1",
-    20
+    20,
+    "bug-compatible HMAC-SHA1"
 };
-- 
2.11.0