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authordjm@openbsd.org <djm@openbsd.org>2016-04-21 06:08:02 +0000
committerDamien Miller <djm@mindrot.org>2016-04-21 16:30:11 +1000
commitb6e0140a5aa883c27b98415bd8aa9f65fc04ee22 (patch)
tree1a7e85eafbe333ad5fc5a385f03161b51b00d4c9 /ssh-ecdsa.c
parent6aaabc2b610e44bae473457ad9556ffb43d90ee3 (diff)
downloadopenssh-git-b6e0140a5aa883c27b98415bd8aa9f65fc04ee22.tar.gz
upstream commit
make argument == NULL tests more consistent Upstream-ID: dc4816678704aa5cbda3a702e0fa2033ff04581d
Diffstat (limited to 'ssh-ecdsa.c')
-rw-r--r--ssh-ecdsa.c5
1 files changed, 3 insertions, 2 deletions
diff --git a/ssh-ecdsa.c b/ssh-ecdsa.c
index 74912dfd..d7bf3c69 100644
--- a/ssh-ecdsa.c
+++ b/ssh-ecdsa.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: ssh-ecdsa.c,v 1.12 2015/12/11 04:21:12 mmcc Exp $ */
+/* $OpenBSD: ssh-ecdsa.c,v 1.13 2016/04/21 06:08:02 djm Exp $ */
/*
* Copyright (c) 2000 Markus Friedl. All rights reserved.
* Copyright (c) 2010 Damien Miller. All rights reserved.
@@ -121,7 +121,8 @@ ssh_ecdsa_verify(const struct sshkey *key,
char *ktype = NULL;
if (key == NULL || key->ecdsa == NULL ||
- sshkey_type_plain(key->type) != KEY_ECDSA)
+ sshkey_type_plain(key->type) != KEY_ECDSA ||
+ signature == NULL || signaturelen == 0)
return SSH_ERR_INVALID_ARGUMENT;
if ((hash_alg = sshkey_ec_nid_to_hash_alg(key->ecdsa_nid)) == -1 ||