onion_fast.h (1359B)
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) 2007-2021, The Tor Project, Inc. */ 5 /* See LICENSE for licensing information */ 6 7 /** 8 * \file onion_fast.h 9 * \brief Header file for onion_fast.c. 10 **/ 11 12 #ifndef TOR_ONION_FAST_H 13 #define TOR_ONION_FAST_H 14 15 #define CREATE_FAST_LEN DIGEST_LEN 16 #define CREATED_FAST_LEN (DIGEST_LEN*2) 17 18 typedef struct fast_handshake_state_t { 19 uint8_t state[DIGEST_LEN]; 20 } fast_handshake_state_t; 21 22 void fast_handshake_state_free_(fast_handshake_state_t *victim); 23 #define fast_handshake_state_free(st) \ 24 FREE_AND_NULL(fast_handshake_state_t, fast_handshake_state_free_, (st)) 25 26 int fast_onionskin_create(fast_handshake_state_t **handshake_state_out, 27 uint8_t *handshake_out); 28 29 int fast_server_handshake(const uint8_t *message_in, 30 uint8_t *handshake_reply_out, 31 uint8_t *key_out, 32 size_t key_out_len); 33 34 int fast_client_handshake(const fast_handshake_state_t *handshake_state, 35 const uint8_t *handshake_reply_out, 36 uint8_t *key_out, 37 size_t key_out_len, 38 const char **msg_out); 39 40 #endif /* !defined(TOR_ONION_FAST_H) */