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96 lines
3.0 KiB
96 lines
3.0 KiB
/* $Id: sha3nist.h 170 2010-05-07 13:27:24Z tp $ */ |
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/** |
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* NIST SHA-3 competition compatibility header. |
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* |
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* This file defines the API specified by NIST for the SHA-3 competition |
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* candidates; it is applied over one of the compatible implementations |
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* in this library. This header must first be modified to select a |
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* function (inclusion of the relevant header files, and value of the |
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* <code>SPH_NIST</code> macro). |
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* |
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* ==========================(LICENSE BEGIN)============================ |
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* |
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* Copyright (c) 2007-2010 Projet RNRT SAPHIR |
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* |
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* Permission is hereby granted, free of charge, to any person obtaining |
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* a copy of this software and associated documentation files (the |
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* "Software"), to deal in the Software without restriction, including |
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* without limitation the rights to use, copy, modify, merge, publish, |
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* distribute, sublicense, and/or sell copies of the Software, and to |
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* permit persons to whom the Software is furnished to do so, subject to |
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* the following conditions: |
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* |
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* The above copyright notice and this permission notice shall be |
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* included in all copies or substantial portions of the Software. |
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* |
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, |
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* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF |
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. |
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* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY |
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* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, |
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* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE |
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* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. |
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* |
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* ===========================(LICENSE END)============================= |
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* |
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* @file sha3nist.h |
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* @author Thomas Pornin <[email protected]> |
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*/ |
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#ifndef SPH_SHA3NIST_H__ |
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#define SPH_SHA3NIST_H__ |
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#ifndef DOXYGEN_IGNORE |
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/* |
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* Here, define SPH_NIST to the base of the internal names for the |
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* hash function. If SPH_NIST evaluates to the identifier "foo", then |
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* the functions foo224, foo256, foo384 and foo512 will be used. |
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*/ |
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#define SPH_NIST sha |
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#include "sph_sha3.h" |
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#include <limits.h> |
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typedef unsigned char BitSequence; |
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#ifdef ULLONG_MAX |
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typedef unsigned long long DataLength; |
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#else |
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typedef unsigned long DataLength; |
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#endif |
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typedef enum { |
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SUCCESS = 0, |
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FAIL = 1, |
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BAD_HASHBITLEN = 2 |
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} HashReturn; |
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#define SPH_CAT(x, y) SPH_CAT_(x, y) |
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#define SPH_CAT_(x, y) x ## y |
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typedef struct { |
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union { |
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SPH_CAT(SPH_CAT(sph_, SPH_NIST), 224_context) ctx224; |
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SPH_CAT(SPH_CAT(sph_, SPH_NIST), 256_context) ctx256; |
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SPH_CAT(SPH_CAT(sph_, SPH_NIST), 384_context) ctx384; |
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SPH_CAT(SPH_CAT(sph_, SPH_NIST), 512_context) ctx512; |
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} u; |
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int hashbitlen; |
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BitSequence output[64]; |
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int output_computed; |
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} hashState; |
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HashReturn Init(hashState *state, int hashbitlen); |
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HashReturn Update(hashState *state, |
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const BitSequence *data, DataLength databitlen); |
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HashReturn Final(hashState *state, BitSequence *hashval); |
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HashReturn Hash(int hashbitlen, const BitSequence *data, |
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DataLength databitlen, BitSequence *hashval); |
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#endif |
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#endif
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