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- markus@cvs.openbsd.org 2001/11/07 21:40:21

Browse Source 
[ssh-rsa.c]
     ssh_rsa_sign/verify: SSH_BUG_SIGBLOB not supported
This commit is contained in:
Damien Miller 2001-11-12 11:03:16 +11:00
parent 9f64390f41
commit 9af8c3c226
2 changed files with 13 additions and 2 deletions
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5
ChangeLog
View File

@ -27,6 +27,9 @@
[packet.c packet.h sshconnect2.c] [packet.c packet.h sshconnect2.c]
pad using the padding field from the ssh2 packet instead of sending pad using the padding field from the ssh2 packet instead of sending
extra ignore messages. tested against several other ssh servers. 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 20011109
- (stevesk) auth-pam.c: use do_pam_authenticate(PAM_DISALLOW_NULL_AUTHTOK) - (stevesk) auth-pam.c: use do_pam_authenticate(PAM_DISALLOW_NULL_AUTHTOK)
@ -6836,4 +6839,4 @@
- Wrote replacements for strlcpy and mkdtemp - Wrote replacements for strlcpy and mkdtemp
- Released 1.0pre1 - Released 1.0pre1
$Id: ChangeLog,v 1.1642 2001/11/12 00:02:52 djm Exp $ $Id: ChangeLog,v 1.1643 2001/11/12 00:03:16 djm Exp $

10
ssh-rsa.c
View File

@ -23,7 +23,7 @@
*/ */
#include "includes.h" #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/evp.h>
#include <openssl/err.h> #include <openssl/err.h>
@ -54,6 +54,10 @@ ssh_rsa_sign(
error("ssh_rsa_sign: no RSA key"); error("ssh_rsa_sign: no RSA key");
return -1; 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; nid = (datafellows & SSH_BUG_RSASIGMD5) ? NID_md5 : NID_sha1;
if ((evp_md = EVP_get_digestbynid(nid)) == NULL) { if ((evp_md = EVP_get_digestbynid(nid)) == NULL) {
error("ssh_rsa_sign: EVP_get_digestbynid %d failed", nid); error("ssh_rsa_sign: EVP_get_digestbynid %d failed", nid);
@ -124,6 +128,10 @@ ssh_rsa_verify(
error("ssh_rsa_verify: no RSA key"); error("ssh_rsa_verify: no RSA key");
return -1; 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) { if (BN_num_bits(key->rsa->n) < 768) {
error("ssh_rsa_verify: n too small: %d bits", error("ssh_rsa_verify: n too small: %d bits",
BN_num_bits(key->rsa->n)); BN_num_bits(key->rsa->n));