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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) 2007-2019, The Tor Project, Inc. */
- /* See LICENSE for licensing information */
- /**
- * \file onion_crypto.h
- * \brief Header file for onion_crypto.c.
- **/
- #ifndef TOR_ONION_CRYPTO_H
- #define TOR_ONION_CRYPTO_H
- typedef struct server_onion_keys_t {
- uint8_t my_identity[DIGEST_LEN];
- crypto_pk_t *onion_key;
- crypto_pk_t *last_onion_key;
- struct di_digest256_map_t *curve25519_key_map;
- struct curve25519_keypair_t *junk_keypair;
- } server_onion_keys_t;
- void onion_handshake_state_release(onion_handshake_state_t *state);
- int onion_skin_create(int type,
- const extend_info_t *node,
- onion_handshake_state_t *state_out,
- uint8_t *onion_skin_out);
- int onion_skin_server_handshake(int type,
- const uint8_t *onion_skin, size_t onionskin_len,
- const server_onion_keys_t *keys,
- uint8_t *reply_out,
- uint8_t *keys_out, size_t key_out_len,
- uint8_t *rend_nonce_out);
- int onion_skin_client_handshake(int type,
- const onion_handshake_state_t *handshake_state,
- const uint8_t *reply, size_t reply_len,
- uint8_t *keys_out, size_t key_out_len,
- uint8_t *rend_authenticator_out,
- const char **msg_out);
- server_onion_keys_t *server_onion_keys_new(void);
- void server_onion_keys_free_(server_onion_keys_t *keys);
- #define server_onion_keys_free(keys) \
- FREE_AND_NULL(server_onion_keys_t, server_onion_keys_free_, (keys))
- #endif
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