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74 lines
3.7 KiB
74 lines
3.7 KiB
/*
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Copyright (c) 2018-2019, tevador <tevador@gmail.com>
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All rights reserved.
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Redistribution and use in source and binary forms, with or without
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modification, are permitted provided that the following conditions are met:
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* Redistributions of source code must retain the above copyright
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notice, this list of conditions and the following disclaimer.
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* Redistributions in binary form must reproduce the above copyright
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notice, this list of conditions and the following disclaimer in the
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documentation and/or other materials provided with the distribution.
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* Neither the name of the copyright holder nor the
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names of its contributors may be used to endorse or promote products
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derived from this software without specific prior written permission.
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THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
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ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
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FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
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CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
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OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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/* Original code from Argon2 reference source code package used under CC0 Licence
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* https://github.com/P-H-C/phc-winner-argon2
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* Copyright 2015
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* Daniel Dinu, Dmitry Khovratovich, Jean-Philippe Aumasson, and Samuel Neves
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*/
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#ifndef BLAKE_ROUND_MKA_H
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#define BLAKE_ROUND_MKA_H
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#include "blake2.h"
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#include "blake2-impl.h"
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/* designed by the Lyra PHC team */
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static FORCE_INLINE uint64_t fBlaMka(uint64_t x, uint64_t y) {
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const uint64_t m = UINT64_C(0xFFFFFFFF);
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const uint64_t xy = (x & m) * (y & m);
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return x + y + 2 * xy;
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}
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#define G(a, b, c, d) \
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do { \
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a = fBlaMka(a, b); \
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d = rotr64(d ^ a, 32); \
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c = fBlaMka(c, d); \
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b = rotr64(b ^ c, 24); \
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a = fBlaMka(a, b); \
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d = rotr64(d ^ a, 16); \
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c = fBlaMka(c, d); \
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b = rotr64(b ^ c, 63); \
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} while ((void)0, 0)
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#define BLAKE2_ROUND_NOMSG(v0, v1, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, \
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v12, v13, v14, v15) \
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do { \
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G(v0, v4, v8, v12); \
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G(v1, v5, v9, v13); \
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G(v2, v6, v10, v14); \
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G(v3, v7, v11, v15); \
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G(v0, v5, v10, v15); \
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G(v1, v6, v11, v12); \
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G(v2, v7, v8, v13); \
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G(v3, v4, v9, v14); \
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} while ((void)0, 0)
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#endif
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