upstream: factor out DH keygen; it's identical between the client
and the server
from markus@ ok djm@
OpenBSD-Commit-ID: 2be57f6a0d44f1ab2c8de2b1b5d6f530c387fae9
diff --git a/kex.h b/kex.h
index 085e60b..4394e10 100644
--- a/kex.h
+++ b/kex.h
@@ -1,4 +1,4 @@
-/* $OpenBSD: kex.h,v 1.94 2019/01/19 21:43:56 djm Exp $ */
+/* $OpenBSD: kex.h,v 1.95 2019/01/21 10:00:23 djm Exp $ */
/*
* Copyright (c) 2000, 2001 Markus Friedl. All rights reserved.
@@ -202,6 +202,7 @@
int kexc25519_client(struct ssh *);
int kexc25519_server(struct ssh *);
+int kex_dh_keygen(struct kex *);
int kex_dh_hash(int, const struct sshbuf *, const struct sshbuf *,
const u_char *, size_t, const u_char *, size_t, const u_char *, size_t,
const BIGNUM *, const BIGNUM *, const BIGNUM *, u_char *, size_t *);