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log mismatched RSA signature types; ok markus@

OpenBSD-Commit-ID: 381bddfcc1e297a42292222f3bcb5ac2b7ea2418
This commit is contained in:
djm@openbsd.org 2017-12-18 23:14:34 +00:00 committed by Damien Miller
parent 349ecd4da3
commit 966ef47833
1 changed files with 4 additions and 1 deletions
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5
ssh-rsa.c
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@ -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 @@ ssh_rsa_verify(const struct sshkey *key,
/* 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;
}