From 10f22cd7b915b387755d552218f187306ad63376 Mon Sep 17 00:00:00 2001
From: djm <djm>
Date: Mon, 12 Nov 2001 00:03:16 +0000
Subject: [PATCH]    - markus@cvs.openbsd.org 2001/11/07 21:40:21     
 [ssh-rsa.c]      ssh_rsa_sign/verify: SSH_BUG_SIGBLOB not supported

---
 ChangeLog |  3 +++
 ssh-rsa.c | 10 +++++++++-
 2 files changed, 12 insertions(+), 1 deletion(-)

diff --git a/ChangeLog b/ChangeLog
index 5533600c..49a6d0ba 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -27,6 +27,9 @@
      [packet.c packet.h sshconnect2.c]
      pad using the padding field from the ssh2 packet instead of sending
      extra ignore messages. tested against several other ssh servers.
+   - markus@cvs.openbsd.org 2001/11/07 21:40:21
+     [ssh-rsa.c]
+     ssh_rsa_sign/verify: SSH_BUG_SIGBLOB not supported
 
 20011109
  - (stevesk) auth-pam.c: use do_pam_authenticate(PAM_DISALLOW_NULL_AUTHTOK)
diff --git a/ssh-rsa.c b/ssh-rsa.c
index 15ce5e97..27a6c5a5 100644
--- a/ssh-rsa.c
+++ b/ssh-rsa.c
@@ -23,7 +23,7 @@
  */
 
 #include "includes.h"
-RCSID("$OpenBSD: ssh-rsa.c,v 1.10 2001/09/17 19:27:15 stevesk Exp $");
+RCSID("$OpenBSD: ssh-rsa.c,v 1.11 2001/11/07 21:40:21 markus Exp $");
 
 #include <openssl/evp.h>
 #include <openssl/err.h>
@@ -54,6 +54,10 @@ ssh_rsa_sign(
 		error("ssh_rsa_sign: no RSA key");
 		return -1;
 	}
+        if (datafellows & SSH_BUG_SIGBLOB) {
+		error("ssh_rsa_sign: SSH_BUG_SIGBLOB not supported");
+		return -1;
+	}
 	nid = (datafellows & SSH_BUG_RSASIGMD5) ? NID_md5 : NID_sha1;
 	if ((evp_md = EVP_get_digestbynid(nid)) == NULL) {
 		error("ssh_rsa_sign: EVP_get_digestbynid %d failed", nid);
@@ -124,6 +128,10 @@ ssh_rsa_verify(
 		error("ssh_rsa_verify: no RSA key");
 		return -1;
 	}
+        if (datafellows & SSH_BUG_SIGBLOB) {
+		error("ssh_rsa_verify: SSH_BUG_SIGBLOB not supported");
+		return -1;
+	}
 	if (BN_num_bits(key->rsa->n) < 768) {
 		error("ssh_rsa_verify: n too small: %d bits",
 		    BN_num_bits(key->rsa->n));
-- 
2.45.2