diff options
author | djm@openbsd.org <djm@openbsd.org> | 2019-01-21 10:00:23 +0000 |
---|---|---|
committer | Damien Miller <djm@mindrot.org> | 2019-01-21 21:47:28 +1100 |
commit | e93bd98eab79b9a78f64ee8dd4dffc4d3979c7ae (patch) | |
tree | b02f3b1ca965cfa9fbbf3fbf4b8a3b56d93088cd /kexdhs.c | |
parent | 5ae3f6d314465026d028af82609c1d49ad197655 (diff) |
upstream: factor out DH keygen; it's identical between the client
and the server
from markus@ ok djm@
OpenBSD-Commit-ID: 2be57f6a0d44f1ab2c8de2b1b5d6f530c387fae9
Diffstat (limited to 'kexdhs.c')
-rw-r--r-- | kexdhs.c | 35 |
1 files changed, 5 insertions, 30 deletions
@@ -1,4 +1,4 @@ -/* $OpenBSD: kexdhs.c,v 1.32 2019/01/21 09:55:52 djm Exp $ */ +/* $OpenBSD: kexdhs.c,v 1.33 2019/01/21 10:00:23 djm Exp $ */ /* * Copyright (c) 2001 Markus Friedl. All rights reserved. * @@ -40,10 +40,10 @@ #include "sshkey.h" #include "cipher.h" #include "digest.h" +#include "dh.h" #include "kex.h" #include "log.h" #include "packet.h" -#include "dh.h" #include "ssh2.h" #include "dispatch.h" @@ -60,36 +60,11 @@ kexdh_server(struct ssh *ssh) int r; /* generate server DH public key */ - switch (kex->kex_type) { - case KEX_DH_GRP1_SHA1: - kex->dh = dh_new_group1(); - break; - case KEX_DH_GRP14_SHA1: - case KEX_DH_GRP14_SHA256: - kex->dh = dh_new_group14(); - break; - case KEX_DH_GRP16_SHA512: - kex->dh = dh_new_group16(); - break; - case KEX_DH_GRP18_SHA512: - kex->dh = dh_new_group18(); - break; - default: - r = SSH_ERR_INVALID_ARGUMENT; - goto out; - } - if (kex->dh == NULL) { - r = SSH_ERR_ALLOC_FAIL; - goto out; - } - if ((r = dh_gen_key(kex->dh, kex->we_need * 8)) != 0) - goto out; - + if ((r = kex_dh_keygen(kex)) != 0) + return r; debug("expecting SSH2_MSG_KEXDH_INIT"); ssh_dispatch_set(ssh, SSH2_MSG_KEXDH_INIT, &input_kex_dh_init); - r = 0; - out: - return r; + return 0; } int |