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ecdh: enable ecdh_sha2_nistp{384,521} kex methods

Summary:
Based on Dirkjan's original patch series here:

 * https://www.libssh.org/archive/libssh/2015-08/0000029.html

Here the changes are adapted for the current master
branch, and expanded to include libgcrypt support.

Co-Authored-By: Dirkjan Bussink <d.bussink@gmail.com>
Signed-off-by: Jon Simons <jon@jonsimons.org>
Reviewed-by: Andreas Schneider <asn@cryptomilk.org>

Test Plan:
 * Ran pkd tests for libcrypto and libgcrypt builds.
 * Ran client torture_algorithms.c tests for libcrypto and libgcrypt builds.
 * Tested across multiple libgcrypts ("1.6.3" and "1.7.6-beta").

Reviewers: aris, asn

Tags: #libssh

Differential Revision: https://bugs.libssh.org/D7
This commit is contained in:
Jon Simons
2017-08-24 18:14:38 +02:00
committed by Andreas Schneider
parent 74d17a6531
commit 6252aab88a
11 changed files with 184 additions and 12 deletions

View File

@@ -260,6 +260,8 @@ static int dh_handshake(ssh_session session) {
break;
#ifdef HAVE_ECDH
case SSH_KEX_ECDH_SHA2_NISTP256:
case SSH_KEX_ECDH_SHA2_NISTP384:
case SSH_KEX_ECDH_SHA2_NISTP521:
rc = ssh_client_ecdh_init(session);
break;
#endif