diff options
| author | djm@openbsd.org <djm@openbsd.org> | 2018-09-13 02:08:33 +0000 |
|---|---|---|
| committer | Damien Miller <djm@mindrot.org> | 2018-09-13 12:12:33 +1000 |
| commit | 482d23bcacdd3664f21cc82a5135f66fc598275f (patch) | |
| tree | 362f697a94da0a765d1dabcfbf33370b2a4df121 /kexgexc.c | |
| parent | d70d061828730a56636ab6f1f24fe4a8ccefcfc1 (diff) | |
upstream: hold our collective noses and use the openssl-1.1.x API in
OpenSSH; feedback and ok tb@ jsing@ markus@
OpenBSD-Commit-ID: cacbcac87ce5da0d3ca7ef1b38a6f7fb349e4417
Diffstat (limited to 'kexgexc.c')
| -rw-r--r-- | kexgexc.c | 18 |
1 files changed, 12 insertions, 6 deletions
@@ -93,6 +93,7 @@ input_kex_dh_gex_group(int type, u_int32_t seq, struct ssh *ssh) { struct kex *kex = ssh->kex; BIGNUM *p = NULL, *g = NULL; + const BIGNUM *pub_key; int r, bits; debug("got SSH2_MSG_KEX_DH_GEX_GROUP"); @@ -118,16 +119,18 @@ input_kex_dh_gex_group(int type, u_int32_t seq, struct ssh *ssh) p = g = NULL; /* belong to kex->dh now */ /* generate and send 'e', client DH public key */ - if ((r = dh_gen_key(kex->dh, kex->we_need * 8)) != 0 || - (r = sshpkt_start(ssh, SSH2_MSG_KEX_DH_GEX_INIT)) != 0 || - (r = sshpkt_put_bignum2(ssh, kex->dh->pub_key)) != 0 || + 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_KEX_DH_GEX_INIT)) != 0 || + (r = sshpkt_put_bignum2(ssh, pub_key)) != 0 || (r = sshpkt_send(ssh)) != 0) goto out; debug("SSH2_MSG_KEX_DH_GEX_INIT sent"); #ifdef DEBUG_KEXDH DHparams_print_fp(stderr, kex->dh); fprintf(stderr, "pub= "); - BN_print_fp(stderr, kex->dh->pub_key); + BN_print_fp(stderr, pub_key); fprintf(stderr, "\n"); #endif ssh_dispatch_set(ssh, SSH2_MSG_KEX_DH_GEX_GROUP, NULL); @@ -144,6 +147,7 @@ input_kex_dh_gex_reply(int type, u_int32_t seq, struct ssh *ssh) { struct kex *kex = ssh->kex; BIGNUM *dh_server_pub = NULL, *shared_secret = NULL; + const BIGNUM *pub_key, *dh_p, *dh_g; struct sshkey *server_host_key = NULL; u_char *kbuf = NULL, *signature = NULL, *server_host_key_blob = NULL; u_char hash[SSH_DIGEST_MAX_LENGTH]; @@ -211,6 +215,8 @@ input_kex_dh_gex_reply(int type, u_int32_t seq, struct ssh *ssh) kex->min = kex->max = -1; /* calc and verify H */ + DH_get0_key(kex->dh, &pub_key, NULL); + DH_get0_pqg(kex->dh, &dh_p, NULL, &dh_g); hashlen = sizeof(hash); if ((r = kexgex_hash( kex->hash_alg, @@ -220,8 +226,8 @@ input_kex_dh_gex_reply(int type, u_int32_t seq, struct ssh *ssh) sshbuf_ptr(kex->peer), sshbuf_len(kex->peer), server_host_key_blob, sbloblen, kex->min, kex->nbits, kex->max, - kex->dh->p, kex->dh->g, - kex->dh->pub_key, + dh_p, dh_g, + pub_key, dh_server_pub, shared_secret, hash, &hashlen)) != 0) |