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56 lines
2.7 KiB
56 lines
2.7 KiB
/* |
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* Argon2 reference source code package - reference C implementations |
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* |
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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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* You may use this work under the terms of a Creative Commons CC0 1.0 |
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* License/Waiver or the Apache Public License 2.0, at your option. The terms of |
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* these licenses can be found at: |
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* |
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* - CC0 1.0 Universal : http://creativecommons.org/publicdomain/zero/1.0 |
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* - Apache 2.0 : http://www.apache.org/licenses/LICENSE-2.0 |
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* |
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* You should have received a copy of both of these licenses along with this |
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* software. If not, they may be obtained at the above URLs. |
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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 BLAKE2_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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