54 static int input_kex_dh_gex_group(int, u_int32_t, struct ssh *);
55 static int input_kex_dh_gex_reply(int, u_int32_t, struct ssh *);
58 kexgex_client(struct ssh *ssh)  in kexgex_client()  argument
60 	struct kex *kex = ssh->kex;  in kexgex_client()
69 	if (ssh->compat & SSH_BUG_DHGEX_LARGE)  in kexgex_client()
72 	if ((r = sshpkt_start(ssh, SSH2_MSG_KEX_DH_GEX_REQUEST)) != 0 ||  in kexgex_client()
73 	    (r = sshpkt_put_u32(ssh, kex->min)) != 0 ||  in kexgex_client()
74 	    (r = sshpkt_put_u32(ssh, kex->nbits)) != 0 ||  in kexgex_client()
75 	    (r = sshpkt_put_u32(ssh, kex->max)) != 0 ||  in kexgex_client()
76 	    (r = sshpkt_send(ssh)) != 0)  in kexgex_client()
85 	ssh_dispatch_set(ssh, SSH2_MSG_KEX_DH_GEX_GROUP,  in kexgex_client()
93 input_kex_dh_gex_group(int type, u_int32_t seq, struct ssh *ssh)  in input_kex_dh_gex_group()  argument
95 	struct kex *kex = ssh->kex;  in input_kex_dh_gex_group()
101 	ssh_dispatch_set(ssh, SSH2_MSG_KEX_DH_GEX_GROUP, &kex_protocol_error);  in input_kex_dh_gex_group()
103 	if ((r = sshpkt_get_bignum2(ssh, &p)) != 0 ||  in input_kex_dh_gex_group()
104 	    (r = sshpkt_get_bignum2(ssh, &g)) != 0 ||  in input_kex_dh_gex_group()
105 	    (r = sshpkt_get_end(ssh)) != 0)  in input_kex_dh_gex_group()
122 	if ((r = sshpkt_start(ssh, SSH2_MSG_KEX_DH_GEX_INIT)) != 0 ||  in input_kex_dh_gex_group()
123 	    (r = sshpkt_put_bignum2(ssh, pub_key)) != 0 ||  in input_kex_dh_gex_group()
124 	    (r = sshpkt_send(ssh)) != 0)  in input_kex_dh_gex_group()
134 	ssh_dispatch_set(ssh, SSH2_MSG_KEX_DH_GEX_REPLY, &input_kex_dh_gex_reply);  in input_kex_dh_gex_group()
143 input_kex_dh_gex_reply(int type, u_int32_t seq, struct ssh *ssh)  in input_kex_dh_gex_reply()  argument
145 	struct kex *kex = ssh->kex;  in input_kex_dh_gex_reply()
157 	ssh_dispatch_set(ssh, SSH2_MSG_KEX_DH_GEX_REPLY, &kex_protocol_error);  in input_kex_dh_gex_reply()
160 	if ((r = sshpkt_getb_froms(ssh, &server_host_key_blob)) != 0)  in input_kex_dh_gex_reply()
168 	    (r = kex_verify_host_key(ssh, server_host_key)) != 0)  in input_kex_dh_gex_reply()
171 	if ((r = sshpkt_get_bignum2(ssh, &dh_server_pub)) != 0 ||  in input_kex_dh_gex_reply()
172 	    (r = sshpkt_get_string(ssh, &signature, &slen)) != 0 ||  in input_kex_dh_gex_reply()
173 	    (r = sshpkt_get_end(ssh)) != 0)  in input_kex_dh_gex_reply()
181 	if (ssh->compat & SSH_OLD_DHGEX)  in input_kex_dh_gex_reply()
204 	    hashlen, kex->hostkey_alg, ssh->compat, NULL)) != 0)  in input_kex_dh_gex_reply()
207 	if ((r = kex_derive_keys(ssh, hash, hashlen, shared_secret)) != 0 ||  in input_kex_dh_gex_reply()
208 	    (r = kex_send_newkeys(ssh)) != 0)  in input_kex_dh_gex_reply()