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28 lines
825 B
C
28 lines
825 B
C
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/* 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) 2007-2018, The Tor Project, Inc. */
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/* See LICENSE for licensing information */
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#ifndef RELAY_CRYPTO_ST_H
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#define RELAY_CRYPTO_ST_H
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struct relay_crypto_t {
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/* crypto environments */
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/** Encryption key and counter for cells heading towards the OR at this
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* step. */
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crypto_cipher_t *f_crypto;
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/** Encryption key and counter for cells heading back from the OR at this
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* step. */
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crypto_cipher_t *b_crypto;
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/** Digest state for cells heading towards the OR at this step. */
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crypto_digest_t *f_digest; /* for integrity checking */
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/** Digest state for cells heading away from the OR at this step. */
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crypto_digest_t *b_digest;
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};
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#endif
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