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/* Copyright (c) 2001 Matej Pfajfar.
* Copyright (c) 2001-2004, Roger Dingledine.
* Copyright (c) 2004-2006, Roger Dingledine, Nick Mathewson.
* Copyright (c) 2007-2012, The Tor Project, Inc. */
/* See LICENSE for licensing information */
/**
* \file onion.h
* \brief Header file for onion.c.
**/
#ifndef _TOR_ONION_H
#define _TOR_ONION_H
int onion_pending_add(or_circuit_t *circ, char *onionskin);
or_circuit_t *onion_next_task(char **onionskin_out);
void onion_pending_remove(or_circuit_t *circ);
int onion_skin_create(crypto_pk_t *router_key,
crypto_dh_t **handshake_state_out,
char *onion_skin_out);
int onion_skin_server_handshake(const char *onion_skin,
crypto_pk_t *private_key,
crypto_pk_t *prev_private_key,
char *handshake_reply_out,
char *key_out,
size_t key_out_len);
int onion_skin_client_handshake(crypto_dh_t *handshake_state,
const char *handshake_reply,
char *key_out,
size_t key_out_len);
int fast_server_handshake(const uint8_t *key_in,
uint8_t *handshake_reply_out,
uint8_t *key_out,
size_t key_out_len);
int fast_client_handshake(const uint8_t *handshake_state,
const uint8_t *handshake_reply_out,
uint8_t *key_out,
size_t key_out_len);
void clear_pending_onions(void);
#endif
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