commit 966ef478339ad5e631fb684d2a8effe846ce3fd4
author djm@openbsd.org <djm@openbsd.org> Mon Dec 18 23:14:34 2017 +0000
committer Damien Miller <djm@mindrot.org> Tue Dec 19 15:21:37 2017 +1100
tree 4f44ec1e3c32afb2be10d290f5b3298fef0c4df7
parent 349ecd4da3a985359694a74635748009be6baca6

upstream commit

log mismatched RSA signature types; ok markus@

OpenBSD-Commit-ID: 381bddfcc1e297a42292222f3bcb5ac2b7ea2418

ssh-rsa.c

diff --git a/ssh-rsa.c b/ssh-rsa.c
index 9b4de8e..592822a 100644
--- a/ssh-rsa.c
+++ b/ssh-rsa.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: ssh-rsa.c,v 1.63 2017/12/18 02:25:15 djm Exp $ */
+/* $OpenBSD: ssh-rsa.c,v 1.64 2017/12/18 23:14:34 djm Exp $ */
 /*
  * Copyright (c) 2000, 2003 Markus Friedl <markus@openbsd.org>
  *
@@ -33,6 +33,7 @@
 #define SSHKEY_INTERNAL
 #include "sshkey.h"
 #include "digest.h"
+#include "log.h"
 
 static int openssh_RSA_verify(int, u_char *, size_t, u_char *, size_t, RSA *);
 
@@ -223,6 +224,8 @@
 	/* XXX djm: need cert types that reliably yield SHA-2 signatures */
 	if (alg != NULL && strcmp(alg, sigtype) != 0 &&
 	    strcmp(alg, "ssh-rsa-cert-v01@openssh.com") != 0) {
+		error("%s: RSA signature type mismatch: "
+		    "expected %s received %s", __func__, alg, sigtype);
 		ret = SSH_ERR_SIGNATURE_INVALID;
 		goto out;
 	}