src/or/onion.h

   1 /* Copyright (c) 2001 Matej Pfajfar.
   2  * Copyright (c) 2001-2004, Roger Dingledine.
   3  * Copyright (c) 2004-2006, Roger Dingledine, Nick Mathewson.
   4  * Copyright (c) 2007-2011, The Tor Project, Inc. */
   5 /* See LICENSE for licensing information */
   6
   7 /**
   8  * \file onion.h
   9  * \brief Header file for onion.c.
  10  **/
  11
  12 #ifndef _TOR_ONION_H
  13 #define _TOR_ONION_H
  14
  15 int onion_pending_add(or_circuit_t *circ, char *onionskin);
  16 or_circuit_t *onion_next_task(char **onionskin_out);
  17 void onion_pending_remove(or_circuit_t *circ);
  18
  19 int onion_skin_create(crypto_pk_env_t *router_key,
  20                       crypto_dh_env_t **handshake_state_out,
  21                       char *onion_skin_out);
  22
  23 int onion_skin_server_handshake(const char *onion_skin,
  24                                 crypto_pk_env_t *private_key,
  25                                 crypto_pk_env_t *prev_private_key,
  26                                 char *handshake_reply_out,
  27                                 char *key_out,
  28                                 size_t key_out_len);
  29
  30 int onion_skin_client_handshake(crypto_dh_env_t *handshake_state,
  31                                 const char *handshake_reply,
  32                                 char *key_out,
  33                                 size_t key_out_len);
  34
  35 int fast_server_handshake(const uint8_t *key_in,
  36                           uint8_t *handshake_reply_out,
  37                           uint8_t *key_out,
  38                           size_t key_out_len);
  39
  40 int fast_client_handshake(const uint8_t *handshake_state,
  41                           const uint8_t *handshake_reply_out,
  42                           uint8_t *key_out,
  43                           size_t key_out_len);
  44
  45 void clear_pending_onions(void);
  46
  47 #endif
  48