diff options
| author | djm@openbsd.org <djm@openbsd.org> | 2019-01-21 10:20:12 +0000 |
|---|---|---|
| committer | Damien Miller <djm@mindrot.org> | 2019-01-21 22:07:02 +1100 |
| commit | dfd591618cdf2c96727ac0eb65f89cf54af0d97e (patch) | |
| tree | 59700563da0dc6f1de649394ffb4c787710eda5a /kex.c | |
| parent | b1b2ff4ed559051d1035419f8f236275fa66d5d6 (diff) | |
| download | openssh-git-dfd591618cdf2c96727ac0eb65f89cf54af0d97e.tar.gz | |
upstream: Add support for a PQC KEX/KEM:
sntrup4591761x25519-sha512@tinyssh.org using the Streamlined NTRU Prime
4591^761 implementation from SUPERCOP coupled with X25519 as a stop-loss. Not
enabled by default.
introduce KEM API; a simplified framework for DH-ish KEX methods.
from markus@ feedback & ok djm@
OpenBSD-Commit-ID: d687f76cffd3561dd73eb302d17a1c3bf321d1a7
Diffstat (limited to 'kex.c')
| -rw-r--r-- | kex.c | 7 |
1 files changed, 5 insertions, 2 deletions
@@ -1,4 +1,4 @@ -/* $OpenBSD: kex.c,v 1.146 2019/01/21 10:07:22 djm Exp $ */ +/* $OpenBSD: kex.c,v 1.147 2019/01/21 10:20:12 djm Exp $ */ /* * Copyright (c) 2000, 2001 Markus Friedl. All rights reserved. * @@ -108,6 +108,8 @@ static const struct kexalg kexalgs[] = { #if defined(HAVE_EVP_SHA256) || !defined(WITH_OPENSSL) { KEX_CURVE25519_SHA256, KEX_C25519_SHA256, 0, SSH_DIGEST_SHA256 }, { KEX_CURVE25519_SHA256_OLD, KEX_C25519_SHA256, 0, SSH_DIGEST_SHA256 }, + { KEX_SNTRUP4591761X25519_SHA512, KEX_KEM_SNTRUP4591761X25519_SHA512, 0, + SSH_DIGEST_SHA512 }, #endif /* HAVE_EVP_SHA256 || !WITH_OPENSSL */ { NULL, -1, -1, -1}, }; @@ -653,6 +655,7 @@ kex_free(struct kex *kex) sshbuf_free(kex->my); sshbuf_free(kex->client_version); sshbuf_free(kex->server_version); + sshbuf_free(kex->kem_client_pub); free(kex->session_id); free(kex->failed_choice); free(kex->hostkey_alg); @@ -1089,7 +1092,7 @@ kex_verify_host_key(struct ssh *ssh, struct sshkey *server_host_key) #if defined(DEBUG_KEX) || defined(DEBUG_KEXDH) || defined(DEBUG_KEXECDH) void -dump_digest(char *msg, u_char *digest, int len) +dump_digest(const char *msg, const u_char *digest, int len) { fprintf(stderr, "%s\n", msg); sshbuf_dump_data(digest, len, stderr); |