diff options
Diffstat (limited to 'crypto/openssh/ssh-dss.c')
-rw-r--r-- | crypto/openssh/ssh-dss.c | 7 |
1 files changed, 4 insertions, 3 deletions
diff --git a/crypto/openssh/ssh-dss.c b/crypto/openssh/ssh-dss.c index fbc078e..51a06e9 100644 --- a/crypto/openssh/ssh-dss.c +++ b/crypto/openssh/ssh-dss.c @@ -1,4 +1,4 @@ -/* $OpenBSD: ssh-dss.c,v 1.23 2006/08/03 03:34:42 deraadt Exp $ */ +/* $OpenBSD: ssh-dss.c,v 1.24 2006/11/06 21:25:28 markus Exp $ */ /* * Copyright (c) 2000 Markus Friedl. All rights reserved. * @@ -161,8 +161,9 @@ ssh_dss_verify(const Key *key, const u_char *signature, u_int signaturelen, fatal("ssh_dss_verify: BN_new failed"); if ((sig->s = BN_new()) == NULL) fatal("ssh_dss_verify: BN_new failed"); - BN_bin2bn(sigblob, INTBLOB_LEN, sig->r); - BN_bin2bn(sigblob+ INTBLOB_LEN, INTBLOB_LEN, sig->s); + if ((BN_bin2bn(sigblob, INTBLOB_LEN, sig->r) == NULL) || + (BN_bin2bn(sigblob+ INTBLOB_LEN, INTBLOB_LEN, sig->s) == NULL)) + fatal("ssh_dss_verify: BN_bin2bn failed"); /* clean up */ memset(sigblob, 0, len); |