Mercurial > dropbear

diff signkey.c @ 244:eb7b9f2bb8e8

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- add explicit check that correct keytype exists for pubkey verification
author Matt Johnston <matt@ucc.asn.au>
date Tue, 06 Sep 2005 03:57:21 +0000
parents 5a75f8a21503
children dc6173e09ff7 7282370416a0
line wrap: on
line diff
--- 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