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39 lines
1.3 KiB
C
39 lines
1.3 KiB
C
/* Copyright (c) 2001 Matej Pfajfar.
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* Copyright (c) 2001-2004, Roger Dingledine.
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* Copyright (c) 2004-2006, Roger Dingledine, Nick Mathewson.
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* Copyright (c) 2007-2015, The Tor Project, Inc. */
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/* See LICENSE for licensing information */
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/**
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* \file onion_tap.h
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* \brief Header file for onion_tap.c.
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**/
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#ifndef TOR_ONION_TAP_H
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#define TOR_ONION_TAP_H
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#define TAP_ONIONSKIN_CHALLENGE_LEN (PKCS1_OAEP_PADDING_OVERHEAD+\
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CIPHER_KEY_LEN+\
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DH_KEY_LEN)
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#define TAP_ONIONSKIN_REPLY_LEN (DH_KEY_LEN+DIGEST_LEN)
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int onion_skin_TAP_create(crypto_pk_t *router_key,
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crypto_dh_t **handshake_state_out,
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char *onion_skin_out);
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int onion_skin_TAP_server_handshake(const char *onion_skin,
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crypto_pk_t *private_key,
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crypto_pk_t *prev_private_key,
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char *handshake_reply_out,
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char *key_out,
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size_t key_out_len);
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int onion_skin_TAP_client_handshake(crypto_dh_t *handshake_state,
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const char *handshake_reply,
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char *key_out,
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size_t key_out_len,
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const char **msg_out);
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#endif
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