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488 lines
14 KiB
488 lines
14 KiB
/* $Id: luffa.c 219 2010-06-08 17:24:41Z tp $ */ |
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/* |
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* Luffa implementation. |
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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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* @author Thomas Pornin <thomas.pornin@cryptolog.com> |
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*/ |
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#ifdef __cplusplus |
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extern "C"{ |
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#endif |
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#if SPH_64_TRUE && !defined SPH_LUFFA_PARALLEL |
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#define SPH_LUFFA_PARALLEL 1 |
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#endif |
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__constant static const sph_u32 V_INIT[5][8] = { |
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{ |
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SPH_C32(0x6d251e69), SPH_C32(0x44b051e0), |
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SPH_C32(0x4eaa6fb4), SPH_C32(0xdbf78465), |
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SPH_C32(0x6e292011), SPH_C32(0x90152df4), |
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SPH_C32(0xee058139), SPH_C32(0xdef610bb) |
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}, { |
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SPH_C32(0xc3b44b95), SPH_C32(0xd9d2f256), |
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SPH_C32(0x70eee9a0), SPH_C32(0xde099fa3), |
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SPH_C32(0x5d9b0557), SPH_C32(0x8fc944b3), |
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SPH_C32(0xcf1ccf0e), SPH_C32(0x746cd581) |
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}, { |
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SPH_C32(0xf7efc89d), SPH_C32(0x5dba5781), |
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SPH_C32(0x04016ce5), SPH_C32(0xad659c05), |
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SPH_C32(0x0306194f), SPH_C32(0x666d1836), |
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SPH_C32(0x24aa230a), SPH_C32(0x8b264ae7) |
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}, { |
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SPH_C32(0x858075d5), SPH_C32(0x36d79cce), |
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SPH_C32(0xe571f7d7), SPH_C32(0x204b1f67), |
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SPH_C32(0x35870c6a), SPH_C32(0x57e9e923), |
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SPH_C32(0x14bcb808), SPH_C32(0x7cde72ce) |
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}, { |
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SPH_C32(0x6c68e9be), SPH_C32(0x5ec41e22), |
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SPH_C32(0xc825b7c7), SPH_C32(0xaffb4363), |
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SPH_C32(0xf5df3999), SPH_C32(0x0fc688f1), |
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SPH_C32(0xb07224cc), SPH_C32(0x03e86cea) |
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} |
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}; |
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__constant static const sph_u32 RC00[8] = { |
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SPH_C32(0x303994a6), SPH_C32(0xc0e65299), |
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SPH_C32(0x6cc33a12), SPH_C32(0xdc56983e), |
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SPH_C32(0x1e00108f), SPH_C32(0x7800423d), |
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SPH_C32(0x8f5b7882), SPH_C32(0x96e1db12) |
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}; |
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__constant static const sph_u32 RC04[8] = { |
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SPH_C32(0xe0337818), SPH_C32(0x441ba90d), |
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SPH_C32(0x7f34d442), SPH_C32(0x9389217f), |
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SPH_C32(0xe5a8bce6), SPH_C32(0x5274baf4), |
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SPH_C32(0x26889ba7), SPH_C32(0x9a226e9d) |
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}; |
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__constant static const sph_u32 RC10[8] = { |
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SPH_C32(0xb6de10ed), SPH_C32(0x70f47aae), |
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SPH_C32(0x0707a3d4), SPH_C32(0x1c1e8f51), |
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SPH_C32(0x707a3d45), SPH_C32(0xaeb28562), |
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SPH_C32(0xbaca1589), SPH_C32(0x40a46f3e) |
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}; |
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__constant static const sph_u32 RC14[8] = { |
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SPH_C32(0x01685f3d), SPH_C32(0x05a17cf4), |
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SPH_C32(0xbd09caca), SPH_C32(0xf4272b28), |
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SPH_C32(0x144ae5cc), SPH_C32(0xfaa7ae2b), |
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SPH_C32(0x2e48f1c1), SPH_C32(0xb923c704) |
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}; |
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#if SPH_LUFFA_PARALLEL |
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__constant static const sph_u64 RCW010[8] = { |
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SPH_C64(0xb6de10ed303994a6), SPH_C64(0x70f47aaec0e65299), |
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SPH_C64(0x0707a3d46cc33a12), SPH_C64(0x1c1e8f51dc56983e), |
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SPH_C64(0x707a3d451e00108f), SPH_C64(0xaeb285627800423d), |
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SPH_C64(0xbaca15898f5b7882), SPH_C64(0x40a46f3e96e1db12) |
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}; |
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__constant static const sph_u64 RCW014[8] = { |
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SPH_C64(0x01685f3de0337818), SPH_C64(0x05a17cf4441ba90d), |
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SPH_C64(0xbd09caca7f34d442), SPH_C64(0xf4272b289389217f), |
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SPH_C64(0x144ae5cce5a8bce6), SPH_C64(0xfaa7ae2b5274baf4), |
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SPH_C64(0x2e48f1c126889ba7), SPH_C64(0xb923c7049a226e9d) |
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}; |
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#endif |
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__constant static const sph_u32 RC20[8] = { |
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SPH_C32(0xfc20d9d2), SPH_C32(0x34552e25), |
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SPH_C32(0x7ad8818f), SPH_C32(0x8438764a), |
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SPH_C32(0xbb6de032), SPH_C32(0xedb780c8), |
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SPH_C32(0xd9847356), SPH_C32(0xa2c78434) |
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}; |
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__constant static const sph_u32 RC24[8] = { |
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SPH_C32(0xe25e72c1), SPH_C32(0xe623bb72), |
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SPH_C32(0x5c58a4a4), SPH_C32(0x1e38e2e7), |
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SPH_C32(0x78e38b9d), SPH_C32(0x27586719), |
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SPH_C32(0x36eda57f), SPH_C32(0x703aace7) |
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}; |
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__constant static const sph_u32 RC30[8] = { |
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SPH_C32(0xb213afa5), SPH_C32(0xc84ebe95), |
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SPH_C32(0x4e608a22), SPH_C32(0x56d858fe), |
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SPH_C32(0x343b138f), SPH_C32(0xd0ec4e3d), |
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SPH_C32(0x2ceb4882), SPH_C32(0xb3ad2208) |
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}; |
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__constant static const sph_u32 RC34[8] = { |
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SPH_C32(0xe028c9bf), SPH_C32(0x44756f91), |
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SPH_C32(0x7e8fce32), SPH_C32(0x956548be), |
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SPH_C32(0xfe191be2), SPH_C32(0x3cb226e5), |
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SPH_C32(0x5944a28e), SPH_C32(0xa1c4c355) |
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}; |
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#if SPH_LUFFA_PARALLEL |
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__constant static const sph_u64 RCW230[8] = { |
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SPH_C64(0xb213afa5fc20d9d2), SPH_C64(0xc84ebe9534552e25), |
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SPH_C64(0x4e608a227ad8818f), SPH_C64(0x56d858fe8438764a), |
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SPH_C64(0x343b138fbb6de032), SPH_C64(0xd0ec4e3dedb780c8), |
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SPH_C64(0x2ceb4882d9847356), SPH_C64(0xb3ad2208a2c78434) |
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}; |
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__constant static const sph_u64 RCW234[8] = { |
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SPH_C64(0xe028c9bfe25e72c1), SPH_C64(0x44756f91e623bb72), |
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SPH_C64(0x7e8fce325c58a4a4), SPH_C64(0x956548be1e38e2e7), |
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SPH_C64(0xfe191be278e38b9d), SPH_C64(0x3cb226e527586719), |
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SPH_C64(0x5944a28e36eda57f), SPH_C64(0xa1c4c355703aace7) |
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}; |
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#endif |
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__constant static const sph_u32 RC40[8] = { |
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SPH_C32(0xf0d2e9e3), SPH_C32(0xac11d7fa), |
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SPH_C32(0x1bcb66f2), SPH_C32(0x6f2d9bc9), |
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SPH_C32(0x78602649), SPH_C32(0x8edae952), |
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SPH_C32(0x3b6ba548), SPH_C32(0xedae9520) |
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}; |
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__constant static const sph_u32 RC44[8] = { |
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SPH_C32(0x5090d577), SPH_C32(0x2d1925ab), |
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SPH_C32(0xb46496ac), SPH_C32(0xd1925ab0), |
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SPH_C32(0x29131ab6), SPH_C32(0x0fc053c3), |
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SPH_C32(0x3f014f0c), SPH_C32(0xfc053c31) |
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}; |
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#define DECL_TMP8(w) \ |
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sph_u32 w ## 0, w ## 1, w ## 2, w ## 3, w ## 4, w ## 5, w ## 6, w ## 7; |
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#define M2(d, s) do { \ |
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sph_u32 tmp = s ## 7; \ |
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d ## 7 = s ## 6; \ |
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d ## 6 = s ## 5; \ |
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d ## 5 = s ## 4; \ |
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d ## 4 = s ## 3 ^ tmp; \ |
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d ## 3 = s ## 2 ^ tmp; \ |
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d ## 2 = s ## 1; \ |
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d ## 1 = s ## 0 ^ tmp; \ |
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d ## 0 = tmp; \ |
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} while (0) |
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#define XOR(d, s1, s2) do { \ |
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d ## 0 = s1 ## 0 ^ s2 ## 0; \ |
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d ## 1 = s1 ## 1 ^ s2 ## 1; \ |
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d ## 2 = s1 ## 2 ^ s2 ## 2; \ |
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d ## 3 = s1 ## 3 ^ s2 ## 3; \ |
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d ## 4 = s1 ## 4 ^ s2 ## 4; \ |
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d ## 5 = s1 ## 5 ^ s2 ## 5; \ |
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d ## 6 = s1 ## 6 ^ s2 ## 6; \ |
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d ## 7 = s1 ## 7 ^ s2 ## 7; \ |
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} while (0) |
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#if SPH_LUFFA_PARALLEL |
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#define SUB_CRUMB_GEN(a0, a1, a2, a3, width) do { \ |
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sph_u ## width tmp; \ |
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tmp = (a0); \ |
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(a0) |= (a1); \ |
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(a2) ^= (a3); \ |
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(a1) = SPH_T ## width(~(a1)); \ |
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(a0) ^= (a3); \ |
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(a3) &= tmp; \ |
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(a1) ^= (a3); \ |
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(a3) ^= (a2); \ |
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(a2) &= (a0); \ |
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(a0) = SPH_T ## width(~(a0)); \ |
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(a2) ^= (a1); \ |
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(a1) |= (a3); \ |
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tmp ^= (a1); \ |
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(a3) ^= (a2); \ |
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(a2) &= (a1); \ |
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(a1) ^= (a0); \ |
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(a0) = tmp; \ |
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} while (0) |
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#define SUB_CRUMB(a0, a1, a2, a3) SUB_CRUMB_GEN(a0, a1, a2, a3, 32) |
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#define SUB_CRUMBW(a0, a1, a2, a3) SUB_CRUMB_GEN(a0, a1, a2, a3, 64) |
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#define MIX_WORDW(u, v) do { \ |
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sph_u32 ul, uh, vl, vh; \ |
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(v) ^= (u); \ |
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ul = SPH_T32((sph_u32)(u)); \ |
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uh = SPH_T32((sph_u32)((u) >> 32)); \ |
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vl = SPH_T32((sph_u32)(v)); \ |
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vh = SPH_T32((sph_u32)((v) >> 32)); \ |
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ul = SPH_ROTL32(ul, 2) ^ vl; \ |
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vl = SPH_ROTL32(vl, 14) ^ ul; \ |
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ul = SPH_ROTL32(ul, 10) ^ vl; \ |
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vl = SPH_ROTL32(vl, 1); \ |
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uh = SPH_ROTL32(uh, 2) ^ vh; \ |
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vh = SPH_ROTL32(vh, 14) ^ uh; \ |
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uh = SPH_ROTL32(uh, 10) ^ vh; \ |
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vh = SPH_ROTL32(vh, 1); \ |
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(u) = (sph_u64)ul | ((sph_u64)uh << 32); \ |
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(v) = (sph_u64)vl | ((sph_u64)vh << 32); \ |
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} while (0) |
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#else |
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#define SUB_CRUMB(a0, a1, a2, a3) do { \ |
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sph_u32 tmp; \ |
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tmp = (a0); \ |
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(a0) |= (a1); \ |
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(a2) ^= (a3); \ |
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(a1) = SPH_T32(~(a1)); \ |
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(a0) ^= (a3); \ |
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(a3) &= tmp; \ |
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(a1) ^= (a3); \ |
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(a3) ^= (a2); \ |
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(a2) &= (a0); \ |
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(a0) = SPH_T32(~(a0)); \ |
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(a2) ^= (a1); \ |
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(a1) |= (a3); \ |
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tmp ^= (a1); \ |
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(a3) ^= (a2); \ |
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(a2) &= (a1); \ |
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(a1) ^= (a0); \ |
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(a0) = tmp; \ |
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} while (0) |
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#endif |
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#define MIX_WORD(u, v) do { \ |
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(v) ^= (u); \ |
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(u) = SPH_ROTL32((u), 2) ^ (v); \ |
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(v) = SPH_ROTL32((v), 14) ^ (u); \ |
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(u) = SPH_ROTL32((u), 10) ^ (v); \ |
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(v) = SPH_ROTL32((v), 1); \ |
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} while (0) |
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#define MI5 do { \ |
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DECL_TMP8(a) \ |
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DECL_TMP8(b) \ |
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XOR(a, V0, V1); \ |
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XOR(b, V2, V3); \ |
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XOR(a, a, b); \ |
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XOR(a, a, V4); \ |
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M2(a, a); \ |
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XOR(V0, a, V0); \ |
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XOR(V1, a, V1); \ |
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XOR(V2, a, V2); \ |
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XOR(V3, a, V3); \ |
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XOR(V4, a, V4); \ |
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M2(b, V0); \ |
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XOR(b, b, V1); \ |
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M2(V1, V1); \ |
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XOR(V1, V1, V2); \ |
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M2(V2, V2); \ |
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XOR(V2, V2, V3); \ |
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M2(V3, V3); \ |
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XOR(V3, V3, V4); \ |
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M2(V4, V4); \ |
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XOR(V4, V4, V0); \ |
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M2(V0, b); \ |
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XOR(V0, V0, V4); \ |
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M2(V4, V4); \ |
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XOR(V4, V4, V3); \ |
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M2(V3, V3); \ |
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XOR(V3, V3, V2); \ |
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M2(V2, V2); \ |
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XOR(V2, V2, V1); \ |
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M2(V1, V1); \ |
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XOR(V1, V1, b); \ |
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XOR(V0, V0, M); \ |
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M2(M, M); \ |
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XOR(V1, V1, M); \ |
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M2(M, M); \ |
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XOR(V2, V2, M); \ |
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M2(M, M); \ |
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XOR(V3, V3, M); \ |
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M2(M, M); \ |
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XOR(V4, V4, M); \ |
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} while (0) |
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#define TWEAK5 do { \ |
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V14 = SPH_ROTL32(V14, 1); \ |
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V15 = SPH_ROTL32(V15, 1); \ |
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V16 = SPH_ROTL32(V16, 1); \ |
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V17 = SPH_ROTL32(V17, 1); \ |
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V24 = SPH_ROTL32(V24, 2); \ |
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V25 = SPH_ROTL32(V25, 2); \ |
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V26 = SPH_ROTL32(V26, 2); \ |
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V27 = SPH_ROTL32(V27, 2); \ |
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V34 = SPH_ROTL32(V34, 3); \ |
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V35 = SPH_ROTL32(V35, 3); \ |
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V36 = SPH_ROTL32(V36, 3); \ |
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V37 = SPH_ROTL32(V37, 3); \ |
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V44 = SPH_ROTL32(V44, 4); \ |
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V45 = SPH_ROTL32(V45, 4); \ |
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V46 = SPH_ROTL32(V46, 4); \ |
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V47 = SPH_ROTL32(V47, 4); \ |
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} while (0) |
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#if SPH_LUFFA_PARALLEL |
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#define LUFFA_P5 do { \ |
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int r; \ |
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sph_u64 W0, W1, W2, W3, W4, W5, W6, W7; \ |
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TWEAK5; \ |
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W0 = (sph_u64)V00 | ((sph_u64)V10 << 32); \ |
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W1 = (sph_u64)V01 | ((sph_u64)V11 << 32); \ |
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W2 = (sph_u64)V02 | ((sph_u64)V12 << 32); \ |
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W3 = (sph_u64)V03 | ((sph_u64)V13 << 32); \ |
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W4 = (sph_u64)V04 | ((sph_u64)V14 << 32); \ |
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W5 = (sph_u64)V05 | ((sph_u64)V15 << 32); \ |
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W6 = (sph_u64)V06 | ((sph_u64)V16 << 32); \ |
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W7 = (sph_u64)V07 | ((sph_u64)V17 << 32); \ |
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for (r = 0; r < 8; r ++) { \ |
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SUB_CRUMBW(W0, W1, W2, W3); \ |
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SUB_CRUMBW(W5, W6, W7, W4); \ |
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MIX_WORDW(W0, W4); \ |
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MIX_WORDW(W1, W5); \ |
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MIX_WORDW(W2, W6); \ |
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MIX_WORDW(W3, W7); \ |
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W0 ^= RCW010[r]; \ |
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W4 ^= RCW014[r]; \ |
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} \ |
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V00 = SPH_T32((sph_u32)W0); \ |
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V10 = SPH_T32((sph_u32)(W0 >> 32)); \ |
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V01 = SPH_T32((sph_u32)W1); \ |
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V11 = SPH_T32((sph_u32)(W1 >> 32)); \ |
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V02 = SPH_T32((sph_u32)W2); \ |
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V12 = SPH_T32((sph_u32)(W2 >> 32)); \ |
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V03 = SPH_T32((sph_u32)W3); \ |
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V13 = SPH_T32((sph_u32)(W3 >> 32)); \ |
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V04 = SPH_T32((sph_u32)W4); \ |
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V14 = SPH_T32((sph_u32)(W4 >> 32)); \ |
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V05 = SPH_T32((sph_u32)W5); \ |
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V15 = SPH_T32((sph_u32)(W5 >> 32)); \ |
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V06 = SPH_T32((sph_u32)W6); \ |
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V16 = SPH_T32((sph_u32)(W6 >> 32)); \ |
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V07 = SPH_T32((sph_u32)W7); \ |
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V17 = SPH_T32((sph_u32)(W7 >> 32)); \ |
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W0 = (sph_u64)V20 | ((sph_u64)V30 << 32); \ |
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W1 = (sph_u64)V21 | ((sph_u64)V31 << 32); \ |
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W2 = (sph_u64)V22 | ((sph_u64)V32 << 32); \ |
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W3 = (sph_u64)V23 | ((sph_u64)V33 << 32); \ |
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W4 = (sph_u64)V24 | ((sph_u64)V34 << 32); \ |
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W5 = (sph_u64)V25 | ((sph_u64)V35 << 32); \ |
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W6 = (sph_u64)V26 | ((sph_u64)V36 << 32); \ |
|
W7 = (sph_u64)V27 | ((sph_u64)V37 << 32); \ |
|
for (r = 0; r < 8; r ++) { \ |
|
SUB_CRUMBW(W0, W1, W2, W3); \ |
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SUB_CRUMBW(W5, W6, W7, W4); \ |
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MIX_WORDW(W0, W4); \ |
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MIX_WORDW(W1, W5); \ |
|
MIX_WORDW(W2, W6); \ |
|
MIX_WORDW(W3, W7); \ |
|
W0 ^= RCW230[r]; \ |
|
W4 ^= RCW234[r]; \ |
|
} \ |
|
V20 = SPH_T32((sph_u32)W0); \ |
|
V30 = SPH_T32((sph_u32)(W0 >> 32)); \ |
|
V21 = SPH_T32((sph_u32)W1); \ |
|
V31 = SPH_T32((sph_u32)(W1 >> 32)); \ |
|
V22 = SPH_T32((sph_u32)W2); \ |
|
V32 = SPH_T32((sph_u32)(W2 >> 32)); \ |
|
V23 = SPH_T32((sph_u32)W3); \ |
|
V33 = SPH_T32((sph_u32)(W3 >> 32)); \ |
|
V24 = SPH_T32((sph_u32)W4); \ |
|
V34 = SPH_T32((sph_u32)(W4 >> 32)); \ |
|
V25 = SPH_T32((sph_u32)W5); \ |
|
V35 = SPH_T32((sph_u32)(W5 >> 32)); \ |
|
V26 = SPH_T32((sph_u32)W6); \ |
|
V36 = SPH_T32((sph_u32)(W6 >> 32)); \ |
|
V27 = SPH_T32((sph_u32)W7); \ |
|
V37 = SPH_T32((sph_u32)(W7 >> 32)); \ |
|
for (r = 0; r < 8; r ++) { \ |
|
SUB_CRUMB(V40, V41, V42, V43); \ |
|
SUB_CRUMB(V45, V46, V47, V44); \ |
|
MIX_WORD(V40, V44); \ |
|
MIX_WORD(V41, V45); \ |
|
MIX_WORD(V42, V46); \ |
|
MIX_WORD(V43, V47); \ |
|
V40 ^= RC40[r]; \ |
|
V44 ^= RC44[r]; \ |
|
} \ |
|
} while (0) |
|
|
|
#else |
|
|
|
#define LUFFA_P5 do { \ |
|
int r; \ |
|
TWEAK5; \ |
|
for (r = 0; r < 8; r ++) { \ |
|
SUB_CRUMB(V00, V01, V02, V03); \ |
|
SUB_CRUMB(V05, V06, V07, V04); \ |
|
MIX_WORD(V00, V04); \ |
|
MIX_WORD(V01, V05); \ |
|
MIX_WORD(V02, V06); \ |
|
MIX_WORD(V03, V07); \ |
|
V00 ^= RC00[r]; \ |
|
V04 ^= RC04[r]; \ |
|
} \ |
|
for (r = 0; r < 8; r ++) { \ |
|
SUB_CRUMB(V10, V11, V12, V13); \ |
|
SUB_CRUMB(V15, V16, V17, V14); \ |
|
MIX_WORD(V10, V14); \ |
|
MIX_WORD(V11, V15); \ |
|
MIX_WORD(V12, V16); \ |
|
MIX_WORD(V13, V17); \ |
|
V10 ^= RC10[r]; \ |
|
V14 ^= RC14[r]; \ |
|
} \ |
|
for (r = 0; r < 8; r ++) { \ |
|
SUB_CRUMB(V20, V21, V22, V23); \ |
|
SUB_CRUMB(V25, V26, V27, V24); \ |
|
MIX_WORD(V20, V24); \ |
|
MIX_WORD(V21, V25); \ |
|
MIX_WORD(V22, V26); \ |
|
MIX_WORD(V23, V27); \ |
|
V20 ^= RC20[r]; \ |
|
V24 ^= RC24[r]; \ |
|
} \ |
|
for (r = 0; r < 8; r ++) { \ |
|
SUB_CRUMB(V30, V31, V32, V33); \ |
|
SUB_CRUMB(V35, V36, V37, V34); \ |
|
MIX_WORD(V30, V34); \ |
|
MIX_WORD(V31, V35); \ |
|
MIX_WORD(V32, V36); \ |
|
MIX_WORD(V33, V37); \ |
|
V30 ^= RC30[r]; \ |
|
V34 ^= RC34[r]; \ |
|
} \ |
|
for (r = 0; r < 8; r ++) { \ |
|
SUB_CRUMB(V40, V41, V42, V43); \ |
|
SUB_CRUMB(V45, V46, V47, V44); \ |
|
MIX_WORD(V40, V44); \ |
|
MIX_WORD(V41, V45); \ |
|
MIX_WORD(V42, V46); \ |
|
MIX_WORD(V43, V47); \ |
|
V40 ^= RC40[r]; \ |
|
V44 ^= RC44[r]; \ |
|
} \ |
|
} while (0) |
|
|
|
#endif |
|
|
|
|