Tor
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lib
defs
digest_sizes.h
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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) 2007-2021, The Tor Project, Inc. */
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/* See LICENSE for licensing information */
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#ifndef TOR_DIGEST_SIZES_H
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#define TOR_DIGEST_SIZES_H
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/**
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* \file digest_sizes.h
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*
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* \brief Definitions for common sizes of cryptographic digests.
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*
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* Tor uses digests throughout its codebase, even in parts that don't actually
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* calculate the digests.
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**/
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/** Length of the output of our message digest. */
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#define DIGEST_LEN 20
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/** Length of the output of our second (improved) message digests. (For now
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* this is just sha256, but it could be any other 256-bit digest.) */
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#define DIGEST256_LEN 32
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/** Length of the output of our 64-bit optimized message digests (SHA512). */
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#define DIGEST512_LEN 64
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#endif
/* !defined(TOR_DIGEST_SIZES_H) */
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