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authorJakub Jelen <jjelen@redhat.com>2018-11-26 15:27:53 +0100
committerAndreas Schneider <asn@cryptomilk.org>2018-11-30 16:22:51 +0100
commitc79c33e22431065e2ec2f8e5dfcbada9d849cfe8 (patch)
tree7c9ade29caf41b8d7ba7f6414498eb82c6f000c5
parent968fdf4e188b57b6b9c2d49cae6a1617070374cc (diff)
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pki: Sanity-check signature matches base key type
Signed-off-by: Jakub Jelen <jjelen@redhat.com> Reviewed-by: Andreas Schneider <asn@cryptomilk.org>
-rw-r--r--src/pki.c6
1 files changed, 6 insertions, 0 deletions
diff --git a/src/pki.c b/src/pki.c
index 0080b539..a581b72e 100644
--- a/src/pki.c
+++ b/src/pki.c
@@ -1931,6 +1931,12 @@ int ssh_pki_signature_verify(ssh_session session,
"Going to verify a %s type signature",
sig->type_c);
+ if (key->type != sig->type) {
+ SSH_LOG(SSH_LOG_WARN,
+ "Can not verify %s signature with %s key",
+ sig->type_c, key->type_c);
+ return SSH_ERROR;
+ }
if (key->type == SSH_KEYTYPE_ECDSA) {
#if HAVE_ECC