5 Author: Pekka Riikonen <priikone@poseidon.pspt.fi>
7 Copyright (C) 1997 - 2000 Pekka Riikonen
9 This program is free software; you can redistribute it and/or modify
10 it under the terms of the GNU General Public License as published by
11 the Free Software Foundation; either version 2 of the License, or
12 (at your option) any later version.
14 This program is distributed in the hope that it will be useful,
15 but WITHOUT ANY WARRANTY; without even the implied warranty of
16 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
17 GNU General Public License for more details.
24 /* SILC client protocol types */
25 #define SILC_PROTOCOL_CLIENT_NONE 0
26 #define SILC_PROTOCOL_CLIENT_CONNECTION_AUTH 1
27 #define SILC_PROTOCOL_CLIENT_KEY_EXCHANGE 2
28 /* #define SILC_PROTOCOL_CLIENT_MAX 255 */
30 /* Internal context for key exchange protocol */
33 SilcSocketConnection sock;
37 void *dest_id; /* Destination ID from packet */
38 SilcIdType dest_id_type; /* Destination ID type */
40 SilcTask timeout_task;
41 SilcPacketContext *packet;
43 SilcSKESendPacketCb send_packet; /* SKE's packet sending callback */
44 SilcSKEVerifyCb verify; /* SKE's key verify callback */
45 SilcSKE ske; /* The SKE object */
46 SilcSKEKeyMaterial *keymat; /* The negotiated key material */
47 void *context; /* Internal context */
48 } SilcClientKEInternalContext;
50 /* Internal context for connection authentication protocol */
53 SilcSocketConnection sock;
55 /* SKE object from Key Exchange protocol. */
58 /* Auth method that must be used. This is resolved before this
59 connection authentication protocol is started. */
60 SilcProtocolAuthMeth auth_meth;
62 /* Destinations ID from KE protocol context */
64 SilcIdType dest_id_type;
66 /* Authentication data if we alreay know it. This is filled before
67 starting the protocol if we know the authentication data. Otherwise
68 these are and remain NULL. */
69 unsigned char *auth_data;
70 unsigned int auth_data_len;
72 SilcTask timeout_task;
73 } SilcClientConnAuthInternalContext;
76 void silc_client_protocols_register(void);
77 void silc_client_protocols_unregister(void);
78 void silc_client_protocol_ke_send_packet(SilcSKE ske,
82 SilcSKEStatus silc_client_protocol_ke_verify_key(SilcSKE ske,
83 unsigned char *pk_data,
85 SilcSKEPKType pk_type,
87 void silc_client_protocol_ke_set_keys(SilcSKE ske,
88 SilcSocketConnection sock,
89 SilcSKEKeyMaterial *keymat,