diff options
| author | djm@openbsd.org <djm@openbsd.org> | 2020-12-29 00:59:15 +0000 |
|---|---|---|
| committer | Damien Miller <djm@mindrot.org> | 2020-12-29 12:38:53 +1100 |
| commit | 2c71cec020219d69df84055c59eba5799a1233ec (patch) | |
| tree | 7d8a80e1ae15d16ae7d186da0fb50c80d2933c7b /kexgen.c | |
| parent | 09d070ccc3574ae0d7947d212ed53c7268ef7e1f (diff) | |
| download | openssh-git-2c71cec020219d69df84055c59eba5799a1233ec.tar.gz | |
upstream: Update/replace the experimental post-quantim hybrid key
exchange method based on Streamlined NTRU Prime (coupled with X25519).
The previous sntrup4591761x25519-sha512@tinyssh.org method is
replaced with sntrup761x25519-sha512@openssh.com. Per the authors,
sntrup4591761 was replaced almost two years ago by sntrup761.
The sntrup761 implementaion, like sntrup4591761 before it, is public
domain code extracted from the SUPERCOP cryptography benchmark
suite (https://bench.cr.yp.to/supercop.html).
Thanks for Daniel J Bernstein for guidance on algorithm selection.
Patch from Tobias Heider; feedback & ok markus@ and myself
(note this both the updated method and the one that it replaced are
disabled by default)
OpenBSD-Commit-ID: 2bf582b772d81ee24e911bb6f4b2aecfd39338ae
Diffstat (limited to 'kexgen.c')
| -rw-r--r-- | kexgen.c | 18 |
1 files changed, 9 insertions, 9 deletions
@@ -1,4 +1,4 @@ -/* $OpenBSD: kexgen.c,v 1.4 2019/11/25 00:51:37 djm Exp $ */ +/* $OpenBSD: kexgen.c,v 1.5 2020/12/29 00:59:15 djm Exp $ */ /* * Copyright (c) 2019 Markus Friedl. All rights reserved. * @@ -117,8 +117,8 @@ kex_gen_client(struct ssh *ssh) case KEX_C25519_SHA256: r = kex_c25519_keypair(kex); break; - case KEX_KEM_SNTRUP4591761X25519_SHA512: - r = kex_kem_sntrup4591761x25519_keypair(kex); + case KEX_KEM_SNTRUP761X25519_SHA512: + r = kex_kem_sntrup761x25519_keypair(kex); break; default: r = SSH_ERR_INVALID_ARGUMENT; @@ -185,8 +185,8 @@ input_kex_gen_reply(int type, u_int32_t seq, struct ssh *ssh) case KEX_C25519_SHA256: r = kex_c25519_dec(kex, server_blob, &shared_secret); break; - case KEX_KEM_SNTRUP4591761X25519_SHA512: - r = kex_kem_sntrup4591761x25519_dec(kex, server_blob, + case KEX_KEM_SNTRUP761X25519_SHA512: + r = kex_kem_sntrup761x25519_dec(kex, server_blob, &shared_secret); break; default: @@ -220,8 +220,8 @@ input_kex_gen_reply(int type, u_int32_t seq, struct ssh *ssh) out: explicit_bzero(hash, sizeof(hash)); explicit_bzero(kex->c25519_client_key, sizeof(kex->c25519_client_key)); - explicit_bzero(kex->sntrup4591761_client_key, - sizeof(kex->sntrup4591761_client_key)); + explicit_bzero(kex->sntrup761_client_key, + sizeof(kex->sntrup761_client_key)); sshbuf_free(server_host_key_blob); free(signature); sshbuf_free(tmp); @@ -282,8 +282,8 @@ input_kex_gen_init(int type, u_int32_t seq, struct ssh *ssh) r = kex_c25519_enc(kex, client_pubkey, &server_pubkey, &shared_secret); break; - case KEX_KEM_SNTRUP4591761X25519_SHA512: - r = kex_kem_sntrup4591761x25519_enc(kex, client_pubkey, + case KEX_KEM_SNTRUP761X25519_SHA512: + r = kex_kem_sntrup761x25519_enc(kex, client_pubkey, &server_pubkey, &shared_secret); break; default: |