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authordjm@openbsd.org <djm@openbsd.org>2017-12-18 02:25:15 +0000
committerDamien Miller <djm@mindrot.org>2017-12-19 15:21:37 +1100
commit04c7e28f83062dc42f2380d1bb3a6bf0190852c0 (patch)
treebc2c59d39a33aba84e0576039474668ada2546d2 /serverloop.c
parent931c78dfd7fe30669681a59e536bbe66535f3ee9 (diff)
upstream commit
pass negotiated signing algorithm though to sshkey_verify() and check that the negotiated algorithm matches the type in the signature (only matters for RSA SHA1/SHA2 sigs). ok markus@ OpenBSD-Commit-ID: 735fb15bf4adc060d3bee9d047a4bcaaa81b1af9
Diffstat (limited to 'serverloop.c')
-rw-r--r--serverloop.c5
1 files changed, 3 insertions, 2 deletions
diff --git a/serverloop.c b/serverloop.c
index 464c07d2..fb298056 100644
--- a/serverloop.c
+++ b/serverloop.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: serverloop.c,v 1.200 2017/12/10 05:55:29 dtucker Exp $ */
+/* $OpenBSD: serverloop.c,v 1.201 2017/12/18 02:25:15 djm Exp $ */
/*
* Author: Tatu Ylonen <ylo@cs.hut.fi>
* Copyright (c) 1995 Tatu Ylonen <ylo@cs.hut.fi>, Espoo, Finland
@@ -715,7 +715,8 @@ server_input_hostkeys_prove(struct ssh *ssh, struct sshbuf **respp)
ssh->kex->session_id, ssh->kex->session_id_len)) != 0 ||
(r = sshkey_puts(key, sigbuf)) != 0 ||
(r = ssh->kex->sign(key_prv, key_pub, &sig, &slen,
- sshbuf_ptr(sigbuf), sshbuf_len(sigbuf), NULL, 0)) != 0 ||
+ sshbuf_ptr(sigbuf), sshbuf_len(sigbuf),
+ ssh->kex->hostkey_alg, 0)) != 0 ||
(r = sshbuf_put_string(resp, sig, slen)) != 0) {
error("%s: couldn't prepare signature: %s",
__func__, ssh_err(r));