# HG changeset patch
# User Matt Johnston <matt@ucc.asn.au>
# Date 1125979041 0
# Node ID eb7b9f2bb8e83592513bb81fe96abe9b4342a224
# Parent  0056419cf0f4c28388d5ed8d3f576342393611e1
- add explicit check that correct keytype exists for pubkey verification

diff -r 0056419cf0f4 -r eb7b9f2bb8e8 signkey.c
--- a/signkey.c	Mon Sep 05 17:10:32 2005 +0000
+++ b/signkey.c	Tue Sep 06 03:57:21 2005 +0000
@@ -404,6 +404,9 @@
 	if (bloblen == DSS_SIGNATURE_SIZE &&
 			memcmp(ident, SSH_SIGNKEY_DSS, identlen) == 0) {
 		m_free(ident);
+		if (key->dsskey == NULL) {
+			dropbear_exit("no dss key to verify signature");
+		}
 		return buf_dss_verify(buf, key->dsskey, data, len);
 	}
 #endif
@@ -411,6 +414,9 @@
 #ifdef DROPBEAR_RSA
 	if (memcmp(ident, SSH_SIGNKEY_RSA, identlen) == 0) {
 		m_free(ident);
+		if (key->rsakey == NULL) {
+			dropbear_exit("no rsa key to verify signature");
+		}
 		return buf_rsa_verify(buf, key->rsakey, data, len);
 	}
 #endif