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 /kexdhc.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 'kexdhc.c')
| -rw-r--r-- | kexdhc.c | 28 |
1 files changed, 3 insertions, 25 deletions
@@ -1,4 +1,4 @@ -/* $OpenBSD: kexdhc.c,v 1.26 2019/01/21 09:55:52 djm Exp $ */ +/* $OpenBSD: kexdhc.c,v 1.27 2019/01/21 10:00:23 djm Exp $ */ /* * Copyright (c) 2001 Markus Friedl. All rights reserved. * @@ -41,10 +41,10 @@ #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" #include "compat.h" @@ -61,31 +61,9 @@ kexdh_client(struct ssh *ssh) const BIGNUM *pub_key; /* generate and send 'e', client 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; + if ((r = kex_dh_keygen(kex)) != 0) goto out; - } debug("sending SSH2_MSG_KEXDH_INIT"); - if ((r = dh_gen_key(kex->dh, kex->we_need * 8)) != 0) - goto out; DH_get0_key(kex->dh, &pub_key, NULL); if ((r = sshpkt_start(ssh, SSH2_MSG_KEXDH_INIT)) != 0 || (r = sshpkt_put_bignum2(ssh, pub_key)) != 0 || |