56 static int input_kex_dh_gex_request(int, u_int32_t, struct ssh *);
57 static int input_kex_dh_gex_init(int, u_int32_t, struct ssh *);
60 kexgex_server(struct ssh *ssh)  in kexgex_server()  argument
62 	ssh_dispatch_set(ssh, SSH2_MSG_KEX_DH_GEX_REQUEST,  in kexgex_server()
69 input_kex_dh_gex_request(int type, u_int32_t seq, struct ssh *ssh)  in input_kex_dh_gex_request()  argument
71 	struct kex *kex = ssh->kex;  in input_kex_dh_gex_request()
77 	ssh_dispatch_set(ssh, SSH2_MSG_KEX_DH_GEX_REQUEST, &kex_protocol_error);  in input_kex_dh_gex_request()
79 	if ((r = sshpkt_get_u32(ssh, &min)) != 0 ||  in input_kex_dh_gex_request()
80 	    (r = sshpkt_get_u32(ssh, &nbits)) != 0 ||  in input_kex_dh_gex_request()
81 	    (r = sshpkt_get_u32(ssh, &max)) != 0 ||  in input_kex_dh_gex_request()
82 	    (r = sshpkt_get_end(ssh)) != 0)  in input_kex_dh_gex_request()
101 		(void)sshpkt_disconnect(ssh, "no matching DH grp found");  in input_kex_dh_gex_request()
107 	if ((r = sshpkt_start(ssh, SSH2_MSG_KEX_DH_GEX_GROUP)) != 0 ||  in input_kex_dh_gex_request()
108 	    (r = sshpkt_put_bignum2(ssh, dh_p)) != 0 ||  in input_kex_dh_gex_request()
109 	    (r = sshpkt_put_bignum2(ssh, dh_g)) != 0 ||  in input_kex_dh_gex_request()
110 	    (r = sshpkt_send(ssh)) != 0)  in input_kex_dh_gex_request()
118 	ssh_dispatch_set(ssh, SSH2_MSG_KEX_DH_GEX_INIT, &input_kex_dh_gex_init);  in input_kex_dh_gex_request()
125 input_kex_dh_gex_init(int type, u_int32_t seq, struct ssh *ssh)  in input_kex_dh_gex_init()  argument
127 	struct kex *kex = ssh->kex;  in input_kex_dh_gex_init()
139 	ssh_dispatch_set(ssh, SSH2_MSG_KEX_DH_GEX_INIT, &kex_protocol_error);  in input_kex_dh_gex_init()
141 	if ((r = kex_load_hostkey(ssh, &server_host_private,  in input_kex_dh_gex_init()
146 	if ((r = sshpkt_get_bignum2(ssh, &dh_client_pub)) != 0 ||  in input_kex_dh_gex_init()
147 	    (r = sshpkt_get_end(ssh)) != 0)  in input_kex_dh_gex_init()
182 	if ((r = kex->sign(ssh, server_host_private, server_host_public,  in input_kex_dh_gex_init()
187 	if ((r = sshpkt_start(ssh, SSH2_MSG_KEX_DH_GEX_REPLY)) != 0 ||  in input_kex_dh_gex_init()
188 	    (r = sshpkt_put_stringb(ssh, server_host_key_blob)) != 0 ||  in input_kex_dh_gex_init()
189 	    (r = sshpkt_put_bignum2(ssh, pub_key)) != 0 ||     /* f */  in input_kex_dh_gex_init()
190 	    (r = sshpkt_put_string(ssh, signature, slen)) != 0 ||  in input_kex_dh_gex_init()
191 	    (r = sshpkt_send(ssh)) != 0)  in input_kex_dh_gex_init()
194 	if ((r = kex_derive_keys(ssh, hash, hashlen, shared_secret)) != 0 ||  in input_kex_dh_gex_init()
195 	    (r = kex_send_newkeys(ssh)) != 0)  in input_kex_dh_gex_init()