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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) 2007-2020, The Tor Project, Inc. */
/* See LICENSE for licensing information */
#ifndef TOR_DIGEST_SIZES_H
#define TOR_DIGEST_SIZES_H
/**
* \file digest_sizes.h
*
* \brief Definitions for common sizes of cryptographic digests.
*
* Tor uses digests throughout its codebase, even in parts that don't actually
* calculate the digests.
**/
/** Length of the output of our message digest. */
#define DIGEST_LEN 20
/** Length of the output of our second (improved) message digests. (For now
* this is just sha256, but it could be any other 256-bit digest.) */
#define DIGEST256_LEN 32
/** Length of the output of our 64-bit optimized message digests (SHA512). */
#define DIGEST512_LEN 64
#endif /* !defined(TOR_DIGEST_SIZES_H) */
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