diff --git a/include/nil/crypto3/block/detail/twofish/basic_twofish_policy.hpp b/include/nil/crypto3/block/detail/twofish/basic_twofish_policy.hpp new file mode 100644 index 0000000..aa1b1b4 --- /dev/null +++ b/include/nil/crypto3/block/detail/twofish/basic_twofish_policy.hpp @@ -0,0 +1,304 @@ +//---------------------------------------------------------------------------// +// Copyright (c) 2018-2020 Mikhail Komarov +// +// Distributed under the Boost Software License, Version 1.0 +// See accompanying file LICENSE_1_0.txt or copy at +// http://www.boost.org/LICENSE_1_0.txt +//---------------------------------------------------------------------------// + +#ifndef CRYPTO3_BASIC_TWOFISH_POLICY_HPP +#define CRYPTO3_BASIC_TWOFISH_POLICY_HPP + +#include + +#include + +namespace nil { + namespace crypto3 { + namespace block { + namespace detail { + template + struct basic_twofish_policy : ::nil::crypto3::detail::basic_functions<32> { + constexpr static const std::size_t rounds = 16; + + constexpr static const std::size_t block_bits = 128; + constexpr static const std::size_t block_words = block_bits / word_bits; + typedef std::array block_type; + + constexpr static const std::size_t key_bits = KeyBits; + constexpr static const std::size_t key_words = key_bits / word_bits; + typedef std::array key_type; + + constexpr static const std::size_t key_schedule_size = 1024; + typedef std::array key_schedule_type; + + constexpr static const std::size_t expanded_substitution_size = 40; + typedef std::array expanded_substitution_type; + + constexpr static const std::size_t round_substitution_size = 32; + typedef std::array round_substitution_type; + + constexpr static const round_substitution_type round_substitution = { + 0x01, 0xA4, 0x02, 0xA4, 0xA4, 0x56, 0xA1, 0x55, 0x55, 0x82, 0xFC, 0x87, 0x87, 0xF3, 0xC1, 0x5A, + 0x5A, 0x1E, 0x47, 0x58, 0x58, 0xC6, 0xAE, 0xDB, 0xDB, 0x68, 0x3D, 0x9E, 0x9E, 0xE5, 0x19, 0x03}; + + constexpr static const std::size_t polyexp_substitution_size = 255; + typedef std::array polyexpr_substitution_type; + + constexpr static const polyexpr_substitution_type exp_to_poly = { + 0x01, 0x02, 0x04, 0x08, 0x10, 0x20, 0x40, 0x80, 0x4D, 0x9A, 0x79, 0xF2, 0xA9, 0x1F, 0x3E, 0x7C, + 0xF8, 0xBD, 0x37, 0x6E, 0xDC, 0xF5, 0xA7, 0x03, 0x06, 0x0C, 0x18, 0x30, 0x60, 0xC0, 0xCD, 0xD7, + 0xE3, 0x8B, 0x5B, 0xB6, 0x21, 0x42, 0x84, 0x45, 0x8A, 0x59, 0xB2, 0x29, 0x52, 0xA4, 0x05, 0x0A, + 0x14, 0x28, 0x50, 0xA0, 0x0D, 0x1A, 0x34, 0x68, 0xD0, 0xED, 0x97, 0x63, 0xC6, 0xC1, 0xCF, 0xD3, + 0xEB, 0x9B, 0x7B, 0xF6, 0xA1, 0x0F, 0x1E, 0x3C, 0x78, 0xF0, 0xAD, 0x17, 0x2E, 0x5C, 0xB8, 0x3D, + 0x7A, 0xF4, 0xA5, 0x07, 0x0E, 0x1C, 0x38, 0x70, 0xE0, 0x8D, 0x57, 0xAE, 0x11, 0x22, 0x44, 0x88, + 0x5D, 0xBA, 0x39, 0x72, 0xE4, 0x85, 0x47, 0x8E, 0x51, 0xA2, 0x09, 0x12, 0x24, 0x48, 0x90, 0x6D, + 0xDA, 0xF9, 0xBF, 0x33, 0x66, 0xCC, 0xD5, 0xE7, 0x83, 0x4B, 0x96, 0x61, 0xC2, 0xC9, 0xDF, 0xF3, + 0xAB, 0x1B, 0x36, 0x6C, 0xD8, 0xFD, 0xB7, 0x23, 0x46, 0x8C, 0x55, 0xAA, 0x19, 0x32, 0x64, 0xC8, + 0xDD, 0xF7, 0xA3, 0x0B, 0x16, 0x2C, 0x58, 0xB0, 0x2D, 0x5A, 0xB4, 0x25, 0x4A, 0x94, 0x65, 0xCA, + 0xD9, 0xFF, 0xB3, 0x2B, 0x56, 0xAC, 0x15, 0x2A, 0x54, 0xA8, 0x1D, 0x3A, 0x74, 0xE8, 0x9D, 0x77, + 0xEE, 0x91, 0x6F, 0xDE, 0xF1, 0xAF, 0x13, 0x26, 0x4C, 0x98, 0x7D, 0xFA, 0xB9, 0x3F, 0x7E, 0xFC, + 0xB5, 0x27, 0x4E, 0x9C, 0x75, 0xEA, 0x99, 0x7F, 0xFE, 0xB1, 0x2F, 0x5E, 0xBC, 0x35, 0x6A, 0xD4, + 0xE5, 0x87, 0x43, 0x86, 0x41, 0x82, 0x49, 0x92, 0x69, 0xD2, 0xE9, 0x9F, 0x73, 0xE6, 0x81, 0x4F, + 0x9E, 0x71, 0xE2, 0x89, 0x5F, 0xBE, 0x31, 0x62, 0xC4, 0xC5, 0xC7, 0xC3, 0xCB, 0xDB, 0xFB, 0xBB, + 0x3B, 0x76, 0xEC, 0x95, 0x67, 0xCE, 0xD1, 0xEF, 0x93, 0x6B, 0xD6, 0xE1, 0x8F, 0x53, 0xA6}; + + constexpr static const polyexpr_substitution_type poly_to_exp = { + 0x00, 0x01, 0x17, 0x02, 0x2E, 0x18, 0x53, 0x03, 0x6A, 0x2F, 0x93, 0x19, 0x34, 0x54, 0x45, 0x04, + 0x5C, 0x6B, 0xB6, 0x30, 0xA6, 0x94, 0x4B, 0x1A, 0x8C, 0x35, 0x81, 0x55, 0xAA, 0x46, 0x0D, 0x05, + 0x24, 0x5D, 0x87, 0x6C, 0x9B, 0xB7, 0xC1, 0x31, 0x2B, 0xA7, 0xA3, 0x95, 0x98, 0x4C, 0xCA, 0x1B, + 0xE6, 0x8D, 0x73, 0x36, 0xCD, 0x82, 0x12, 0x56, 0x62, 0xAB, 0xF0, 0x47, 0x4F, 0x0E, 0xBD, 0x06, + 0xD4, 0x25, 0xD2, 0x5E, 0x27, 0x88, 0x66, 0x6D, 0xD6, 0x9C, 0x79, 0xB8, 0x08, 0xC2, 0xDF, 0x32, + 0x68, 0x2C, 0xFD, 0xA8, 0x8A, 0xA4, 0x5A, 0x96, 0x29, 0x99, 0x22, 0x4D, 0x60, 0xCB, 0xE4, 0x1C, + 0x7B, 0xE7, 0x3B, 0x8E, 0x9E, 0x74, 0xF4, 0x37, 0xD8, 0xCE, 0xF9, 0x83, 0x6F, 0x13, 0xB2, 0x57, + 0xE1, 0x63, 0xDC, 0xAC, 0xC4, 0xF1, 0xAF, 0x48, 0x0A, 0x50, 0x42, 0x0F, 0xBA, 0xBE, 0xC7, 0x07, + 0xDE, 0xD5, 0x78, 0x26, 0x65, 0xD3, 0xD1, 0x5F, 0xE3, 0x28, 0x21, 0x89, 0x59, 0x67, 0xFC, 0x6E, + 0xB1, 0xD7, 0xF8, 0x9D, 0xF3, 0x7A, 0x3A, 0xB9, 0xC6, 0x09, 0x41, 0xC3, 0xAE, 0xE0, 0xDB, 0x33, + 0x44, 0x69, 0x92, 0x2D, 0x52, 0xFE, 0x16, 0xA9, 0x0C, 0x8B, 0x80, 0xA5, 0x4A, 0x5B, 0xB5, 0x97, + 0xC9, 0x2A, 0xA2, 0x9A, 0xC0, 0x23, 0x86, 0x4E, 0xBC, 0x61, 0xEF, 0xCC, 0x11, 0xE5, 0x72, 0x1D, + 0x3D, 0x7C, 0xEB, 0xE8, 0xE9, 0x3C, 0xEA, 0x8F, 0x7D, 0x9F, 0xEC, 0x75, 0x1E, 0xF5, 0x3E, 0x38, + 0xF6, 0xD9, 0x3F, 0xCF, 0x76, 0xFA, 0x1F, 0x84, 0xA0, 0x70, 0xED, 0x14, 0x90, 0xB3, 0x7E, 0x58, + 0xFB, 0xE2, 0x20, 0x64, 0xD0, 0xDD, 0x77, 0xAD, 0xDA, 0xC5, 0x40, 0xF2, 0x39, 0xB0, 0xF7, 0x49, + 0xB4, 0x0B, 0x7F, 0x51, 0x15, 0x43, 0x91, 0x10, 0x71, 0xBB, 0xEE, 0xBF, 0x85, 0xC8, 0xA1}; + + constexpr static const std::size_t substitution_size = 256; + typedef std::array substitution_type; + + constexpr static const substitution_type q0 = { + 0xA9, 0x67, 0xB3, 0xE8, 0x04, 0xFD, 0xA3, 0x76, 0x9A, 0x92, 0x80, 0x78, 0xE4, 0xDD, 0xD1, 0x38, + 0x0D, 0xC6, 0x35, 0x98, 0x18, 0xF7, 0xEC, 0x6C, 0x43, 0x75, 0x37, 0x26, 0xFA, 0x13, 0x94, 0x48, + 0xF2, 0xD0, 0x8B, 0x30, 0x84, 0x54, 0xDF, 0x23, 0x19, 0x5B, 0x3D, 0x59, 0xF3, 0xAE, 0xA2, 0x82, + 0x63, 0x01, 0x83, 0x2E, 0xD9, 0x51, 0x9B, 0x7C, 0xA6, 0xEB, 0xA5, 0xBE, 0x16, 0x0C, 0xE3, 0x61, + 0xC0, 0x8C, 0x3A, 0xF5, 0x73, 0x2C, 0x25, 0x0B, 0xBB, 0x4E, 0x89, 0x6B, 0x53, 0x6A, 0xB4, 0xF1, + 0xE1, 0xE6, 0xBD, 0x45, 0xE2, 0xF4, 0xB6, 0x66, 0xCC, 0x95, 0x03, 0x56, 0xD4, 0x1C, 0x1E, 0xD7, + 0xFB, 0xC3, 0x8E, 0xB5, 0xE9, 0xCF, 0xBF, 0xBA, 0xEA, 0x77, 0x39, 0xAF, 0x33, 0xC9, 0x62, 0x71, + 0x81, 0x79, 0x09, 0xAD, 0x24, 0xCD, 0xF9, 0xD8, 0xE5, 0xC5, 0xB9, 0x4D, 0x44, 0x08, 0x86, 0xE7, + 0xA1, 0x1D, 0xAA, 0xED, 0x06, 0x70, 0xB2, 0xD2, 0x41, 0x7B, 0xA0, 0x11, 0x31, 0xC2, 0x27, 0x90, + 0x20, 0xF6, 0x60, 0xFF, 0x96, 0x5C, 0xB1, 0xAB, 0x9E, 0x9C, 0x52, 0x1B, 0x5F, 0x93, 0x0A, 0xEF, + 0x91, 0x85, 0x49, 0xEE, 0x2D, 0x4F, 0x8F, 0x3B, 0x47, 0x87, 0x6D, 0x46, 0xD6, 0x3E, 0x69, 0x64, + 0x2A, 0xCE, 0xCB, 0x2F, 0xFC, 0x97, 0x05, 0x7A, 0xAC, 0x7F, 0xD5, 0x1A, 0x4B, 0x0E, 0xA7, 0x5A, + 0x28, 0x14, 0x3F, 0x29, 0x88, 0x3C, 0x4C, 0x02, 0xB8, 0xDA, 0xB0, 0x17, 0x55, 0x1F, 0x8A, 0x7D, + 0x57, 0xC7, 0x8D, 0x74, 0xB7, 0xC4, 0x9F, 0x72, 0x7E, 0x15, 0x22, 0x12, 0x58, 0x07, 0x99, 0x34, + 0x6E, 0x50, 0xDE, 0x68, 0x65, 0xBC, 0xDB, 0xF8, 0xC8, 0xA8, 0x2B, 0x40, 0xDC, 0xFE, 0x32, 0xA4, + 0xCA, 0x10, 0x21, 0xF0, 0xD3, 0x5D, 0x0F, 0x00, 0x6F, 0x9D, 0x36, 0x42, 0x4A, 0x5E, 0xC1, 0xE0}; + + constexpr static const substitution_type q1 = { + 0x75, 0xF3, 0xC6, 0xF4, 0xDB, 0x7B, 0xFB, 0xC8, 0x4A, 0xD3, 0xE6, 0x6B, 0x45, 0x7D, 0xE8, 0x4B, + 0xD6, 0x32, 0xD8, 0xFD, 0x37, 0x71, 0xF1, 0xE1, 0x30, 0x0F, 0xF8, 0x1B, 0x87, 0xFA, 0x06, 0x3F, + 0x5E, 0xBA, 0xAE, 0x5B, 0x8A, 0x00, 0xBC, 0x9D, 0x6D, 0xC1, 0xB1, 0x0E, 0x80, 0x5D, 0xD2, 0xD5, + 0xA0, 0x84, 0x07, 0x14, 0xB5, 0x90, 0x2C, 0xA3, 0xB2, 0x73, 0x4C, 0x54, 0x92, 0x74, 0x36, 0x51, + 0x38, 0xB0, 0xBD, 0x5A, 0xFC, 0x60, 0x62, 0x96, 0x6C, 0x42, 0xF7, 0x10, 0x7C, 0x28, 0x27, 0x8C, + 0x13, 0x95, 0x9C, 0xC7, 0x24, 0x46, 0x3B, 0x70, 0xCA, 0xE3, 0x85, 0xCB, 0x11, 0xD0, 0x93, 0xB8, + 0xA6, 0x83, 0x20, 0xFF, 0x9F, 0x77, 0xC3, 0xCC, 0x03, 0x6F, 0x08, 0xBF, 0x40, 0xE7, 0x2B, 0xE2, + 0x79, 0x0C, 0xAA, 0x82, 0x41, 0x3A, 0xEA, 0xB9, 0xE4, 0x9A, 0xA4, 0x97, 0x7E, 0xDA, 0x7A, 0x17, + 0x66, 0x94, 0xA1, 0x1D, 0x3D, 0xF0, 0xDE, 0xB3, 0x0B, 0x72, 0xA7, 0x1C, 0xEF, 0xD1, 0x53, 0x3E, + 0x8F, 0x33, 0x26, 0x5F, 0xEC, 0x76, 0x2A, 0x49, 0x81, 0x88, 0xEE, 0x21, 0xC4, 0x1A, 0xEB, 0xD9, + 0xC5, 0x39, 0x99, 0xCD, 0xAD, 0x31, 0x8B, 0x01, 0x18, 0x23, 0xDD, 0x1F, 0x4E, 0x2D, 0xF9, 0x48, + 0x4F, 0xF2, 0x65, 0x8E, 0x78, 0x5C, 0x58, 0x19, 0x8D, 0xE5, 0x98, 0x57, 0x67, 0x7F, 0x05, 0x64, + 0xAF, 0x63, 0xB6, 0xFE, 0xF5, 0xB7, 0x3C, 0xA5, 0xCE, 0xE9, 0x68, 0x44, 0xE0, 0x4D, 0x43, 0x69, + 0x29, 0x2E, 0xAC, 0x15, 0x59, 0xA8, 0x0A, 0x9E, 0x6E, 0x47, 0xDF, 0x34, 0x35, 0x6A, 0xCF, 0xDC, + 0x22, 0xC9, 0xC0, 0x9B, 0x89, 0xD4, 0xED, 0xAB, 0x12, 0xA2, 0x0D, 0x52, 0xBB, 0x02, 0x2F, 0xA9, + 0xD7, 0x61, 0x1E, 0xB4, 0x50, 0x04, 0xF6, 0xC2, 0x16, 0x25, 0x86, 0x56, 0x55, 0x09, 0xBE, 0x91}; + + constexpr static const std::size_t mds_substitution_size = 256; + typedef std::array mds_substitution_type; + + constexpr static const mds_substitution_type mds0 = { + 0xBCBC3275, 0xECEC21F3, 0x202043C6, 0xB3B3C9F4, 0xDADA03DB, 0x02028B7B, 0xE2E22BFB, 0x9E9EFAC8, + 0xC9C9EC4A, 0xD4D409D3, 0x18186BE6, 0x1E1E9F6B, 0x98980E45, 0xB2B2387D, 0xA6A6D2E8, 0x2626B74B, + 0x3C3C57D6, 0x93938A32, 0x8282EED8, 0x525298FD, 0x7B7BD437, 0xBBBB3771, 0x5B5B97F1, 0x474783E1, + 0x24243C30, 0x5151E20F, 0xBABAC6F8, 0x4A4AF31B, 0xBFBF4887, 0x0D0D70FA, 0xB0B0B306, 0x7575DE3F, + 0xD2D2FD5E, 0x7D7D20BA, 0x666631AE, 0x3A3AA35B, 0x59591C8A, 0x00000000, 0xCDCD93BC, 0x1A1AE09D, + 0xAEAE2C6D, 0x7F7FABC1, 0x2B2BC7B1, 0xBEBEB90E, 0xE0E0A080, 0x8A8A105D, 0x3B3B52D2, 0x6464BAD5, + 0xD8D888A0, 0xE7E7A584, 0x5F5FE807, 0x1B1B1114, 0x2C2CC2B5, 0xFCFCB490, 0x3131272C, 0x808065A3, + 0x73732AB2, 0x0C0C8173, 0x79795F4C, 0x6B6B4154, 0x4B4B0292, 0x53536974, 0x94948F36, 0x83831F51, + 0x2A2A3638, 0xC4C49CB0, 0x2222C8BD, 0xD5D5F85A, 0xBDBDC3FC, 0x48487860, 0xFFFFCE62, 0x4C4C0796, + 0x4141776C, 0xC7C7E642, 0xEBEB24F7, 0x1C1C1410, 0x5D5D637C, 0x36362228, 0x6767C027, 0xE9E9AF8C, + 0x4444F913, 0x1414EA95, 0xF5F5BB9C, 0xCFCF18C7, 0x3F3F2D24, 0xC0C0E346, 0x7272DB3B, 0x54546C70, + 0x29294CCA, 0xF0F035E3, 0x0808FE85, 0xC6C617CB, 0xF3F34F11, 0x8C8CE4D0, 0xA4A45993, 0xCACA96B8, + 0x68683BA6, 0xB8B84D83, 0x38382820, 0xE5E52EFF, 0xADAD569F, 0x0B0B8477, 0xC8C81DC3, 0x9999FFCC, + 0x5858ED03, 0x19199A6F, 0x0E0E0A08, 0x95957EBF, 0x70705040, 0xF7F730E7, 0x6E6ECF2B, 0x1F1F6EE2, + 0xB5B53D79, 0x09090F0C, 0x616134AA, 0x57571682, 0x9F9F0B41, 0x9D9D803A, 0x111164EA, 0x2525CDB9, + 0xAFAFDDE4, 0x4545089A, 0xDFDF8DA4, 0xA3A35C97, 0xEAEAD57E, 0x353558DA, 0xEDEDD07A, 0x4343FC17, + 0xF8F8CB66, 0xFBFBB194, 0x3737D3A1, 0xFAFA401D, 0xC2C2683D, 0xB4B4CCF0, 0x32325DDE, 0x9C9C71B3, + 0x5656E70B, 0xE3E3DA72, 0x878760A7, 0x15151B1C, 0xF9F93AEF, 0x6363BFD1, 0x3434A953, 0x9A9A853E, + 0xB1B1428F, 0x7C7CD133, 0x88889B26, 0x3D3DA65F, 0xA1A1D7EC, 0xE4E4DF76, 0x8181942A, 0x91910149, + 0x0F0FFB81, 0xEEEEAA88, 0x161661EE, 0xD7D77321, 0x9797F5C4, 0xA5A5A81A, 0xFEFE3FEB, 0x6D6DB5D9, + 0x7878AEC5, 0xC5C56D39, 0x1D1DE599, 0x7676A4CD, 0x3E3EDCAD, 0xCBCB6731, 0xB6B6478B, 0xEFEF5B01, + 0x12121E18, 0x6060C523, 0x6A6AB0DD, 0x4D4DF61F, 0xCECEE94E, 0xDEDE7C2D, 0x55559DF9, 0x7E7E5A48, + 0x2121B24F, 0x03037AF2, 0xA0A02665, 0x5E5E198E, 0x5A5A6678, 0x65654B5C, 0x62624E58, 0xFDFD4519, + 0x0606F48D, 0x404086E5, 0xF2F2BE98, 0x3333AC57, 0x17179067, 0x05058E7F, 0xE8E85E05, 0x4F4F7D64, + 0x89896AAF, 0x10109563, 0x74742FB6, 0x0A0A75FE, 0x5C5C92F5, 0x9B9B74B7, 0x2D2D333C, 0x3030D6A5, + 0x2E2E49CE, 0x494989E9, 0x46467268, 0x77775544, 0xA8A8D8E0, 0x9696044D, 0x2828BD43, 0xA9A92969, + 0xD9D97929, 0x8686912E, 0xD1D187AC, 0xF4F44A15, 0x8D8D1559, 0xD6D682A8, 0xB9B9BC0A, 0x42420D9E, + 0xF6F6C16E, 0x2F2FB847, 0xDDDD06DF, 0x23233934, 0xCCCC6235, 0xF1F1C46A, 0xC1C112CF, 0x8585EBDC, + 0x8F8F9E22, 0x7171A1C9, 0x9090F0C0, 0xAAAA539B, 0x0101F189, 0x8B8BE1D4, 0x4E4E8CED, 0x8E8E6FAB, + 0xABABA212, 0x6F6F3EA2, 0xE6E6540D, 0xDBDBF252, 0x92927BBB, 0xB7B7B602, 0x6969CA2F, 0x3939D9A9, + 0xD3D30CD7, 0xA7A72361, 0xA2A2AD1E, 0xC3C399B4, 0x6C6C4450, 0x07070504, 0x04047FF6, 0x272746C2, + 0xACACA716, 0xD0D07625, 0x50501386, 0xDCDCF756, 0x84841A55, 0xE1E15109, 0x7A7A25BE, 0x1313EF91}; + + constexpr static const mds_substitution_type mds1 = { + 0xA9D93939, 0x67901717, 0xB3719C9C, 0xE8D2A6A6, 0x04050707, 0xFD985252, 0xA3658080, 0x76DFE4E4, + 0x9A084545, 0x92024B4B, 0x80A0E0E0, 0x78665A5A, 0xE4DDAFAF, 0xDDB06A6A, 0xD1BF6363, 0x38362A2A, + 0x0D54E6E6, 0xC6432020, 0x3562CCCC, 0x98BEF2F2, 0x181E1212, 0xF724EBEB, 0xECD7A1A1, 0x6C774141, + 0x43BD2828, 0x7532BCBC, 0x37D47B7B, 0x269B8888, 0xFA700D0D, 0x13F94444, 0x94B1FBFB, 0x485A7E7E, + 0xF27A0303, 0xD0E48C8C, 0x8B47B6B6, 0x303C2424, 0x84A5E7E7, 0x54416B6B, 0xDF06DDDD, 0x23C56060, + 0x1945FDFD, 0x5BA33A3A, 0x3D68C2C2, 0x59158D8D, 0xF321ECEC, 0xAE316666, 0xA23E6F6F, 0x82165757, + 0x63951010, 0x015BEFEF, 0x834DB8B8, 0x2E918686, 0xD9B56D6D, 0x511F8383, 0x9B53AAAA, 0x7C635D5D, + 0xA63B6868, 0xEB3FFEFE, 0xA5D63030, 0xBE257A7A, 0x16A7ACAC, 0x0C0F0909, 0xE335F0F0, 0x6123A7A7, + 0xC0F09090, 0x8CAFE9E9, 0x3A809D9D, 0xF5925C5C, 0x73810C0C, 0x2C273131, 0x2576D0D0, 0x0BE75656, + 0xBB7B9292, 0x4EE9CECE, 0x89F10101, 0x6B9F1E1E, 0x53A93434, 0x6AC4F1F1, 0xB499C3C3, 0xF1975B5B, + 0xE1834747, 0xE66B1818, 0xBDC82222, 0x450E9898, 0xE26E1F1F, 0xF4C9B3B3, 0xB62F7474, 0x66CBF8F8, + 0xCCFF9999, 0x95EA1414, 0x03ED5858, 0x56F7DCDC, 0xD4E18B8B, 0x1C1B1515, 0x1EADA2A2, 0xD70CD3D3, + 0xFB2BE2E2, 0xC31DC8C8, 0x8E195E5E, 0xB5C22C2C, 0xE9894949, 0xCF12C1C1, 0xBF7E9595, 0xBA207D7D, + 0xEA641111, 0x77840B0B, 0x396DC5C5, 0xAF6A8989, 0x33D17C7C, 0xC9A17171, 0x62CEFFFF, 0x7137BBBB, + 0x81FB0F0F, 0x793DB5B5, 0x0951E1E1, 0xADDC3E3E, 0x242D3F3F, 0xCDA47676, 0xF99D5555, 0xD8EE8282, + 0xE5864040, 0xC5AE7878, 0xB9CD2525, 0x4D049696, 0x44557777, 0x080A0E0E, 0x86135050, 0xE730F7F7, + 0xA1D33737, 0x1D40FAFA, 0xAA346161, 0xED8C4E4E, 0x06B3B0B0, 0x706C5454, 0xB22A7373, 0xD2523B3B, + 0x410B9F9F, 0x7B8B0202, 0xA088D8D8, 0x114FF3F3, 0x3167CBCB, 0xC2462727, 0x27C06767, 0x90B4FCFC, + 0x20283838, 0xF67F0404, 0x60784848, 0xFF2EE5E5, 0x96074C4C, 0x5C4B6565, 0xB1C72B2B, 0xAB6F8E8E, + 0x9E0D4242, 0x9CBBF5F5, 0x52F2DBDB, 0x1BF34A4A, 0x5FA63D3D, 0x9359A4A4, 0x0ABCB9B9, 0xEF3AF9F9, + 0x91EF1313, 0x85FE0808, 0x49019191, 0xEE611616, 0x2D7CDEDE, 0x4FB22121, 0x8F42B1B1, 0x3BDB7272, + 0x47B82F2F, 0x8748BFBF, 0x6D2CAEAE, 0x46E3C0C0, 0xD6573C3C, 0x3E859A9A, 0x6929A9A9, 0x647D4F4F, + 0x2A948181, 0xCE492E2E, 0xCB17C6C6, 0x2FCA6969, 0xFCC3BDBD, 0x975CA3A3, 0x055EE8E8, 0x7AD0EDED, + 0xAC87D1D1, 0x7F8E0505, 0xD5BA6464, 0x1AA8A5A5, 0x4BB72626, 0x0EB9BEBE, 0xA7608787, 0x5AF8D5D5, + 0x28223636, 0x14111B1B, 0x3FDE7575, 0x2979D9D9, 0x88AAEEEE, 0x3C332D2D, 0x4C5F7979, 0x02B6B7B7, + 0xB896CACA, 0xDA583535, 0xB09CC4C4, 0x17FC4343, 0x551A8484, 0x1FF64D4D, 0x8A1C5959, 0x7D38B2B2, + 0x57AC3333, 0xC718CFCF, 0x8DF40606, 0x74695353, 0xB7749B9B, 0xC4F59797, 0x9F56ADAD, 0x72DAE3E3, + 0x7ED5EAEA, 0x154AF4F4, 0x229E8F8F, 0x12A2ABAB, 0x584E6262, 0x07E85F5F, 0x99E51D1D, 0x34392323, + 0x6EC1F6F6, 0x50446C6C, 0xDE5D3232, 0x68724646, 0x6526A0A0, 0xBC93CDCD, 0xDB03DADA, 0xF8C6BABA, + 0xC8FA9E9E, 0xA882D6D6, 0x2BCF6E6E, 0x40507070, 0xDCEB8585, 0xFE750A0A, 0x328A9393, 0xA48DDFDF, + 0xCA4C2929, 0x10141C1C, 0x2173D7D7, 0xF0CCB4B4, 0xD309D4D4, 0x5D108A8A, 0x0FE25151, 0x00000000, + 0x6F9A1919, 0x9DE01A1A, 0x368F9494, 0x42E6C7C7, 0x4AECC9C9, 0x5EFDD2D2, 0xC1AB7F7F, 0xE0D8A8A8}; + + constexpr static const mds_substitution_type mds2 = { + 0xBC75BC32, 0xECF3EC21, 0x20C62043, 0xB3F4B3C9, 0xDADBDA03, 0x027B028B, 0xE2FBE22B, 0x9EC89EFA, + 0xC94AC9EC, 0xD4D3D409, 0x18E6186B, 0x1E6B1E9F, 0x9845980E, 0xB27DB238, 0xA6E8A6D2, 0x264B26B7, + 0x3CD63C57, 0x9332938A, 0x82D882EE, 0x52FD5298, 0x7B377BD4, 0xBB71BB37, 0x5BF15B97, 0x47E14783, + 0x2430243C, 0x510F51E2, 0xBAF8BAC6, 0x4A1B4AF3, 0xBF87BF48, 0x0DFA0D70, 0xB006B0B3, 0x753F75DE, + 0xD25ED2FD, 0x7DBA7D20, 0x66AE6631, 0x3A5B3AA3, 0x598A591C, 0x00000000, 0xCDBCCD93, 0x1A9D1AE0, + 0xAE6DAE2C, 0x7FC17FAB, 0x2BB12BC7, 0xBE0EBEB9, 0xE080E0A0, 0x8A5D8A10, 0x3BD23B52, 0x64D564BA, + 0xD8A0D888, 0xE784E7A5, 0x5F075FE8, 0x1B141B11, 0x2CB52CC2, 0xFC90FCB4, 0x312C3127, 0x80A38065, + 0x73B2732A, 0x0C730C81, 0x794C795F, 0x6B546B41, 0x4B924B02, 0x53745369, 0x9436948F, 0x8351831F, + 0x2A382A36, 0xC4B0C49C, 0x22BD22C8, 0xD55AD5F8, 0xBDFCBDC3, 0x48604878, 0xFF62FFCE, 0x4C964C07, + 0x416C4177, 0xC742C7E6, 0xEBF7EB24, 0x1C101C14, 0x5D7C5D63, 0x36283622, 0x672767C0, 0xE98CE9AF, + 0x441344F9, 0x149514EA, 0xF59CF5BB, 0xCFC7CF18, 0x3F243F2D, 0xC046C0E3, 0x723B72DB, 0x5470546C, + 0x29CA294C, 0xF0E3F035, 0x088508FE, 0xC6CBC617, 0xF311F34F, 0x8CD08CE4, 0xA493A459, 0xCAB8CA96, + 0x68A6683B, 0xB883B84D, 0x38203828, 0xE5FFE52E, 0xAD9FAD56, 0x0B770B84, 0xC8C3C81D, 0x99CC99FF, + 0x580358ED, 0x196F199A, 0x0E080E0A, 0x95BF957E, 0x70407050, 0xF7E7F730, 0x6E2B6ECF, 0x1FE21F6E, + 0xB579B53D, 0x090C090F, 0x61AA6134, 0x57825716, 0x9F419F0B, 0x9D3A9D80, 0x11EA1164, 0x25B925CD, + 0xAFE4AFDD, 0x459A4508, 0xDFA4DF8D, 0xA397A35C, 0xEA7EEAD5, 0x35DA3558, 0xED7AEDD0, 0x431743FC, + 0xF866F8CB, 0xFB94FBB1, 0x37A137D3, 0xFA1DFA40, 0xC23DC268, 0xB4F0B4CC, 0x32DE325D, 0x9CB39C71, + 0x560B56E7, 0xE372E3DA, 0x87A78760, 0x151C151B, 0xF9EFF93A, 0x63D163BF, 0x345334A9, 0x9A3E9A85, + 0xB18FB142, 0x7C337CD1, 0x8826889B, 0x3D5F3DA6, 0xA1ECA1D7, 0xE476E4DF, 0x812A8194, 0x91499101, + 0x0F810FFB, 0xEE88EEAA, 0x16EE1661, 0xD721D773, 0x97C497F5, 0xA51AA5A8, 0xFEEBFE3F, 0x6DD96DB5, + 0x78C578AE, 0xC539C56D, 0x1D991DE5, 0x76CD76A4, 0x3EAD3EDC, 0xCB31CB67, 0xB68BB647, 0xEF01EF5B, + 0x1218121E, 0x602360C5, 0x6ADD6AB0, 0x4D1F4DF6, 0xCE4ECEE9, 0xDE2DDE7C, 0x55F9559D, 0x7E487E5A, + 0x214F21B2, 0x03F2037A, 0xA065A026, 0x5E8E5E19, 0x5A785A66, 0x655C654B, 0x6258624E, 0xFD19FD45, + 0x068D06F4, 0x40E54086, 0xF298F2BE, 0x335733AC, 0x17671790, 0x057F058E, 0xE805E85E, 0x4F644F7D, + 0x89AF896A, 0x10631095, 0x74B6742F, 0x0AFE0A75, 0x5CF55C92, 0x9BB79B74, 0x2D3C2D33, 0x30A530D6, + 0x2ECE2E49, 0x49E94989, 0x46684672, 0x77447755, 0xA8E0A8D8, 0x964D9604, 0x284328BD, 0xA969A929, + 0xD929D979, 0x862E8691, 0xD1ACD187, 0xF415F44A, 0x8D598D15, 0xD6A8D682, 0xB90AB9BC, 0x429E420D, + 0xF66EF6C1, 0x2F472FB8, 0xDDDFDD06, 0x23342339, 0xCC35CC62, 0xF16AF1C4, 0xC1CFC112, 0x85DC85EB, + 0x8F228F9E, 0x71C971A1, 0x90C090F0, 0xAA9BAA53, 0x018901F1, 0x8BD48BE1, 0x4EED4E8C, 0x8EAB8E6F, + 0xAB12ABA2, 0x6FA26F3E, 0xE60DE654, 0xDB52DBF2, 0x92BB927B, 0xB702B7B6, 0x692F69CA, 0x39A939D9, + 0xD3D7D30C, 0xA761A723, 0xA21EA2AD, 0xC3B4C399, 0x6C506C44, 0x07040705, 0x04F6047F, 0x27C22746, + 0xAC16ACA7, 0xD025D076, 0x50865013, 0xDC56DCF7, 0x8455841A, 0xE109E151, 0x7ABE7A25, 0x139113EF}; + + constexpr static const mds_substitution_type mds3 = { + 0xD939A9D9, 0x90176790, 0x719CB371, 0xD2A6E8D2, 0x05070405, 0x9852FD98, 0x6580A365, 0xDFE476DF, + 0x08459A08, 0x024B9202, 0xA0E080A0, 0x665A7866, 0xDDAFE4DD, 0xB06ADDB0, 0xBF63D1BF, 0x362A3836, + 0x54E60D54, 0x4320C643, 0x62CC3562, 0xBEF298BE, 0x1E12181E, 0x24EBF724, 0xD7A1ECD7, 0x77416C77, + 0xBD2843BD, 0x32BC7532, 0xD47B37D4, 0x9B88269B, 0x700DFA70, 0xF94413F9, 0xB1FB94B1, 0x5A7E485A, + 0x7A03F27A, 0xE48CD0E4, 0x47B68B47, 0x3C24303C, 0xA5E784A5, 0x416B5441, 0x06DDDF06, 0xC56023C5, + 0x45FD1945, 0xA33A5BA3, 0x68C23D68, 0x158D5915, 0x21ECF321, 0x3166AE31, 0x3E6FA23E, 0x16578216, + 0x95106395, 0x5BEF015B, 0x4DB8834D, 0x91862E91, 0xB56DD9B5, 0x1F83511F, 0x53AA9B53, 0x635D7C63, + 0x3B68A63B, 0x3FFEEB3F, 0xD630A5D6, 0x257ABE25, 0xA7AC16A7, 0x0F090C0F, 0x35F0E335, 0x23A76123, + 0xF090C0F0, 0xAFE98CAF, 0x809D3A80, 0x925CF592, 0x810C7381, 0x27312C27, 0x76D02576, 0xE7560BE7, + 0x7B92BB7B, 0xE9CE4EE9, 0xF10189F1, 0x9F1E6B9F, 0xA93453A9, 0xC4F16AC4, 0x99C3B499, 0x975BF197, + 0x8347E183, 0x6B18E66B, 0xC822BDC8, 0x0E98450E, 0x6E1FE26E, 0xC9B3F4C9, 0x2F74B62F, 0xCBF866CB, + 0xFF99CCFF, 0xEA1495EA, 0xED5803ED, 0xF7DC56F7, 0xE18BD4E1, 0x1B151C1B, 0xADA21EAD, 0x0CD3D70C, + 0x2BE2FB2B, 0x1DC8C31D, 0x195E8E19, 0xC22CB5C2, 0x8949E989, 0x12C1CF12, 0x7E95BF7E, 0x207DBA20, + 0x6411EA64, 0x840B7784, 0x6DC5396D, 0x6A89AF6A, 0xD17C33D1, 0xA171C9A1, 0xCEFF62CE, 0x37BB7137, + 0xFB0F81FB, 0x3DB5793D, 0x51E10951, 0xDC3EADDC, 0x2D3F242D, 0xA476CDA4, 0x9D55F99D, 0xEE82D8EE, + 0x8640E586, 0xAE78C5AE, 0xCD25B9CD, 0x04964D04, 0x55774455, 0x0A0E080A, 0x13508613, 0x30F7E730, + 0xD337A1D3, 0x40FA1D40, 0x3461AA34, 0x8C4EED8C, 0xB3B006B3, 0x6C54706C, 0x2A73B22A, 0x523BD252, + 0x0B9F410B, 0x8B027B8B, 0x88D8A088, 0x4FF3114F, 0x67CB3167, 0x4627C246, 0xC06727C0, 0xB4FC90B4, + 0x28382028, 0x7F04F67F, 0x78486078, 0x2EE5FF2E, 0x074C9607, 0x4B655C4B, 0xC72BB1C7, 0x6F8EAB6F, + 0x0D429E0D, 0xBBF59CBB, 0xF2DB52F2, 0xF34A1BF3, 0xA63D5FA6, 0x59A49359, 0xBCB90ABC, 0x3AF9EF3A, + 0xEF1391EF, 0xFE0885FE, 0x01914901, 0x6116EE61, 0x7CDE2D7C, 0xB2214FB2, 0x42B18F42, 0xDB723BDB, + 0xB82F47B8, 0x48BF8748, 0x2CAE6D2C, 0xE3C046E3, 0x573CD657, 0x859A3E85, 0x29A96929, 0x7D4F647D, + 0x94812A94, 0x492ECE49, 0x17C6CB17, 0xCA692FCA, 0xC3BDFCC3, 0x5CA3975C, 0x5EE8055E, 0xD0ED7AD0, + 0x87D1AC87, 0x8E057F8E, 0xBA64D5BA, 0xA8A51AA8, 0xB7264BB7, 0xB9BE0EB9, 0x6087A760, 0xF8D55AF8, + 0x22362822, 0x111B1411, 0xDE753FDE, 0x79D92979, 0xAAEE88AA, 0x332D3C33, 0x5F794C5F, 0xB6B702B6, + 0x96CAB896, 0x5835DA58, 0x9CC4B09C, 0xFC4317FC, 0x1A84551A, 0xF64D1FF6, 0x1C598A1C, 0x38B27D38, + 0xAC3357AC, 0x18CFC718, 0xF4068DF4, 0x69537469, 0x749BB774, 0xF597C4F5, 0x56AD9F56, 0xDAE372DA, + 0xD5EA7ED5, 0x4AF4154A, 0x9E8F229E, 0xA2AB12A2, 0x4E62584E, 0xE85F07E8, 0xE51D99E5, 0x39233439, + 0xC1F66EC1, 0x446C5044, 0x5D32DE5D, 0x72466872, 0x26A06526, 0x93CDBC93, 0x03DADB03, 0xC6BAF8C6, + 0xFA9EC8FA, 0x82D6A882, 0xCF6E2BCF, 0x50704050, 0xEB85DCEB, 0x750AFE75, 0x8A93328A, 0x8DDFA48D, + 0x4C29CA4C, 0x141C1014, 0x73D72173, 0xCCB4F0CC, 0x09D4D309, 0x108A5D10, 0xE2510FE2, 0x00000000, + 0x9A196F9A, 0xE01A9DE0, 0x8F94368F, 0xE6C742E6, 0xECC94AEC, 0xFDD25EFD, 0xAB7FC1AB, 0xD8A8E0D8}; + }; + + template + constexpr const typename basic_twofish_policy::polyexpr_substitution_type + basic_twofish_policy::exp_to_poly; + + template + constexpr const typename basic_twofish_policy::polyexpr_substitution_type + basic_twofish_policy::poly_to_exp; + + template + constexpr const typename basic_twofish_policy::substitution_type + basic_twofish_policy::q0; + + template + constexpr const typename basic_twofish_policy::substitution_type + basic_twofish_policy::q1; + + template + constexpr const typename basic_twofish_policy::mds_substitution_type + basic_twofish_policy::mds0; + + template + constexpr const typename basic_twofish_policy::mds_substitution_type + basic_twofish_policy::mds1; + + template + constexpr const typename basic_twofish_policy::mds_substitution_type + basic_twofish_policy::mds2; + + template + constexpr const typename basic_twofish_policy::mds_substitution_type + basic_twofish_policy::mds3; + + template + constexpr const typename basic_twofish_policy::round_substitution_type + basic_twofish_policy::round_substitution; + + } // namespace detail + } // namespace block + } // namespace crypto3 +} // namespace nil + +#endif // CRYPTO3_BASIC_TWOFISH_POLICY_HPP \ No newline at end of file diff --git a/include/nil/crypto3/block/detail/twofish/twofish_functions.hpp b/include/nil/crypto3/block/detail/twofish/twofish_functions.hpp new file mode 100644 index 0000000..0fff02a --- /dev/null +++ b/include/nil/crypto3/block/detail/twofish/twofish_functions.hpp @@ -0,0 +1,76 @@ +//---------------------------------------------------------------------------// +// Copyright (c) 2018-2020 Mikhail Komarov +// +// Distributed under the Boost Software License, Version 1.0 +// See accompanying file LICENSE_1_0.txt or copy at +// http://www.boost.org/LICENSE_1_0.txt +//---------------------------------------------------------------------------// + +#ifndef CRYPTO3_TWOFISH_FUNCTIONS_CPP_HPP +#define CRYPTO3_TWOFISH_FUNCTIONS_CPP_HPP + +#include + +#include +#include + +namespace nil { + namespace crypto3 { + namespace block { + namespace detail { + template + struct twofish_functions : public basic_twofish_policy { + typedef basic_twofish_policy policy_type; + typedef typename policy_type::word_type word_type; + + typedef + typename basic_twofish_policy::expanded_substitution_type expanded_substitution_type; + + inline static void tf_e(word_type A, word_type B, word_type &C, word_type &D, word_type RK1, + word_type RK2, const expanded_substitution_type &SB) { + word_type X = SB[::nil::crypto3::detail::extract_uint_t(A, 3)] ^ + SB[512 + ::nil::crypto3::detail::extract_uint_t(A, 1)] ^ + SB[256 + ::nil::crypto3::detail::extract_uint_t(A, 2)] ^ + SB[768 + ::nil::crypto3::detail::extract_uint_t(A, 0)]; + word_type Y = SB[::nil::crypto3::detail::extract_uint_t(B, 0)] ^ + SB[256 + ::nil::crypto3::detail::extract_uint_t(B, 3)] ^ + SB[512 + ::nil::crypto3::detail::extract_uint_t(B, 2)] ^ + SB[768 + ::nil::crypto3::detail::extract_uint_t(B, 1)]; + + X += Y; + Y += X; + + X += RK1; + Y += RK2; + + C = policy_type::template rotr<1>(C ^ X); + D = policy_type::template rotl<1>(D) ^ Y; + } + + inline static void tf_d(word_type A, word_type B, word_type &C, word_type &D, word_type RK1, + word_type RK2, const expanded_substitution_type &SB) { + word_type X = SB[::nil::crypto3::detail::extract_uint_t(A, 3)] ^ + SB[256 + ::nil::crypto3::detail::extract_uint_t(A, 2)] ^ + SB[512 + ::nil::crypto3::detail::extract_uint_t(A, 1)] ^ + SB[768 + ::nil::crypto3::detail::extract_uint_t(A, 0)]; + word_type Y = SB[::nil::crypto3::detail::extract_uint_t(B, 0)] ^ + SB[256 + ::nil::crypto3::detail::extract_uint_t(B, 3)] ^ + SB[512 + ::nil::crypto3::detail::extract_uint_t(B, 2)] ^ + SB[768 + ::nil::crypto3::detail::extract_uint_t(B, 1)]; + + X += Y; + Y += X; + + X += RK1; + Y += RK2; + + C = policy_type::template rotl<1>(C) ^ X; + D = policy_type::template rotr<1>(D ^ Y); + } + }; + } // namespace detail + } // namespace block + } // namespace crypto3 +} // namespace nil + +#endif // CRYPTO3_MISTY1_FUNCTIONS_CPP_HPP diff --git a/include/nil/crypto3/block/detail/twofish/twofish_policy.hpp b/include/nil/crypto3/block/detail/twofish/twofish_policy.hpp new file mode 100644 index 0000000..32ea3ab --- /dev/null +++ b/include/nil/crypto3/block/detail/twofish/twofish_policy.hpp @@ -0,0 +1,184 @@ +//---------------------------------------------------------------------------// +// Copyright (c) 2018-2020 Mikhail Komarov +// +// Distributed under the Boost Software License, Version 1.0 +// See accompanying file LICENSE_1_0.txt or copy at +// http://www.boost.org/LICENSE_1_0.txt +//---------------------------------------------------------------------------// + +#ifndef CRYPTO3_TWOFISH_POLICY_HPP +#define CRYPTO3_TWOFISH_POLICY_HPP + +#include + +namespace nil { + namespace crypto3 { + namespace block { + namespace detail { + template + struct twofish_policy : public twofish_functions { }; + + template<> + struct twofish_policy<128> : public twofish_functions<128> { + inline void static schedule_key(const key_type &key, + expanded_substitution_type &expanded_substitution, + key_schedule_type &round_key) { + std::array S = {0}; + + for (size_t i = 0; i != key.size(); ++i) { + /* + * Do one column of the RS matrix multiplication + */ + if (key[i]) { + byte_type X = poly_to_exp[key[i] - 1]; + + byte_type RS1 = round_substitution[(4 * i) % 32]; + byte_type RS2 = round_substitution[(4 * i + 1) % 32]; + byte_type RS3 = round_substitution[(4 * i + 2) % 32]; + byte_type RS4 = round_substitution[(4 * i + 3) % 32]; + + S[4 * (i / 8)] ^= exp_to_poly[(X + poly_to_exp[RS1 - 1]) % 255]; + S[4 * (i / 8) + 1] ^= exp_to_poly[(X + poly_to_exp[RS2 - 1]) % 255]; + S[4 * (i / 8) + 2] ^= exp_to_poly[(X + poly_to_exp[RS3 - 1]) % 255]; + S[4 * (i / 8) + 3] ^= exp_to_poly[(X + poly_to_exp[RS4 - 1]) % 255]; + } + } + + for (size_t i = 0; i != key_schedule_size / 4; ++i) { + expanded_substitution[i] = mds0[q0[q0[i] ^ S[0]] ^ S[4]]; + expanded_substitution[256 + i] = mds1[q0[q1[i] ^ S[1]] ^ S[5]]; + expanded_substitution[512 + i] = mds2[q1[q0[i] ^ S[2]] ^ S[6]]; + expanded_substitution[768 + i] = mds3[q1[q1[i] ^ S[3]] ^ S[7]]; + } + + for (size_t i = 0; i < expanded_substitution_size; i += 2) { + word_type X = mds0[q0[q0[i] ^ key[8]] ^ key[0]] ^ mds1[q0[q1[i] ^ key[9]] ^ key[1]] ^ + mds2[q1[q0[i] ^ key[10]] ^ key[2]] ^ mds3[q1[q1[i] ^ key[11]] ^ key[3]]; + word_type Y = + mds0[q0[q0[i + 1] ^ key[12]] ^ key[4]] ^ mds1[q0[q1[i + 1] ^ key[13]] ^ key[5]] ^ + mds2[q1[q0[i + 1] ^ key[14]] ^ key[6]] ^ mds3[q1[q1[i + 1] ^ key[15]] ^ key[7]]; + Y = policy_type::template rotl<8>(Y); + X += Y; + Y += X; + + round_key[i] = X; + round_key[i + 1] = policy_type::template rotl<9>(Y); + } + + S.fill(0); + } + }; + + template<> + struct twofish_policy<192> : public twofish_functions<192> { + inline void static schedule_key(const key_type &key, + expanded_substitution_type &expanded_substitution, + key_schedule_type &round_key) { + std::array S = {0}; + + for (size_t i = 0; i != key.size(); ++i) { + /* + * Do one column of the RS matrix multiplication + */ + if (key[i]) { + byte_type X = poly_to_exp[key[i] - 1]; + + byte_type RS1 = round_substitution[(4 * i) % 32]; + byte_type RS2 = round_substitution[(4 * i + 1) % 32]; + byte_type RS3 = round_substitution[(4 * i + 2) % 32]; + byte_type RS4 = round_substitution[(4 * i + 3) % 32]; + + S[4 * (i / 8)] ^= exp_to_poly[(X + poly_to_exp[RS1 - 1]) % 255]; + S[4 * (i / 8) + 1] ^= exp_to_poly[(X + poly_to_exp[RS2 - 1]) % 255]; + S[4 * (i / 8) + 2] ^= exp_to_poly[(X + poly_to_exp[RS3 - 1]) % 255]; + S[4 * (i / 8) + 3] ^= exp_to_poly[(X + poly_to_exp[RS4 - 1]) % 255]; + } + } + + for (size_t i = 0; i != key_schedule_size / 4; ++i) { + expanded_substitution[i] = mds0[q0[q0[q1[i] ^ S[0]] ^ S[4]] ^ S[8]]; + expanded_substitution[256 + i] = mds1[q0[q1[q1[i] ^ S[1]] ^ S[5]] ^ S[9]]; + expanded_substitution[512 + i] = mds2[q1[q0[q0[i] ^ S[2]] ^ S[6]] ^ S[10]]; + expanded_substitution[768 + i] = mds3[q1[q1[q0[i] ^ S[3]] ^ S[7]] ^ S[11]]; + } + + for (size_t i = 0; i < expanded_substitution_size; i += 2) { + word_type X = mds0[q0[q0[q1[i] ^ key[16]] ^ key[8]] ^ key[0]] ^ + mds1[q0[q1[q1[i] ^ key[17]] ^ key[9]] ^ key[1]] ^ + mds2[q1[q0[q0[i] ^ key[18]] ^ key[10]] ^ key[2]] ^ + mds3[q1[q1[q0[i] ^ key[19]] ^ key[11]] ^ key[3]]; + word_type Y = mds0[q0[q0[q1[i + 1] ^ key[20]] ^ key[12]] ^ key[4]] ^ + mds1[q0[q1[q1[i + 1] ^ key[21]] ^ key[13]] ^ key[5]] ^ + mds2[q1[q0[q0[i + 1] ^ key[22]] ^ key[14]] ^ key[6]] ^ + mds3[q1[q1[q0[i + 1] ^ key[23]] ^ key[15]] ^ key[7]]; + Y = policy_type::template rotl<8>(Y); + X += Y; + Y += X; + + round_key[i] = X; + round_key[i + 1] = policy_type::template rotl<9>(Y); + } + + S.fill(0); + } + }; + + template<> + struct twofish_policy<256> : public twofish_functions<256> { + inline static void schedule_key(const key_type &key, + expanded_substitution_type &expanded_substitution, + key_schedule_type &round_key) { + std::array S = {0}; + + for (size_t i = 0; i != key.size(); ++i) { + /* + * Do one column of the RS matrix multiplication + */ + if (key[i]) { + byte_type X = poly_to_exp[key[i] - 1]; + + byte_type RS1 = round_substitution[(4 * i) % 32]; + byte_type RS2 = round_substitution[(4 * i + 1) % 32]; + byte_type RS3 = round_substitution[(4 * i + 2) % 32]; + byte_type RS4 = round_substitution[(4 * i + 3) % 32]; + + S[4 * (i / 8)] ^= exp_to_poly[(X + poly_to_exp[RS1 - 1]) % 255]; + S[4 * (i / 8) + 1] ^= exp_to_poly[(X + poly_to_exp[RS2 - 1]) % 255]; + S[4 * (i / 8) + 2] ^= exp_to_poly[(X + poly_to_exp[RS3 - 1]) % 255]; + S[4 * (i / 8) + 3] ^= exp_to_poly[(X + poly_to_exp[RS4 - 1]) % 255]; + } + } + + for (size_t i = 0; i != key_schedule_size / 4; ++i) { + expanded_substitution[i] = mds0[q0[q0[q1[q1[i] ^ S[0]] ^ S[4]] ^ S[8]] ^ S[12]]; + expanded_substitution[256 + i] = mds1[q0[q1[q1[q0[i] ^ S[1]] ^ S[5]] ^ S[9]] ^ S[13]]; + expanded_substitution[512 + i] = mds2[q1[q0[q0[q0[i] ^ S[2]] ^ S[6]] ^ S[10]] ^ S[14]]; + expanded_substitution[768 + i] = mds3[q1[q1[q0[q1[i] ^ S[3]] ^ S[7]] ^ S[11]] ^ S[15]]; + } + + for (size_t i = 0; i < expanded_substitution_size; i += 2) { + word_type X = mds0[q0[q0[q1[q1[i] ^ key[24]] ^ key[16]] ^ key[8]] ^ key[0]] ^ + mds1[q0[q1[q1[q0[i] ^ key[25]] ^ key[17]] ^ key[9]] ^ key[1]] ^ + mds2[q1[q0[q0[q0[i] ^ key[26]] ^ key[18]] ^ key[10]] ^ key[2]] ^ + mds3[q1[q1[q0[q1[i] ^ key[27]] ^ key[19]] ^ key[11]] ^ key[3]]; + word_type Y = mds0[q0[q0[q1[q1[i + 1] ^ key[28]] ^ key[20]] ^ key[12]] ^ key[4]] ^ + mds1[q0[q1[q1[q0[i + 1] ^ key[29]] ^ key[21]] ^ key[13]] ^ key[5]] ^ + mds2[q1[q0[q0[q0[i + 1] ^ key[30]] ^ key[22]] ^ key[14]] ^ key[6]] ^ + mds3[q1[q1[q0[q1[i + 1] ^ key[31]] ^ key[23]] ^ key[15]] ^ key[7]]; + Y = policy_type::template rotl<8>(Y); + X += Y; + Y += X; + + round_key[i] = X; + round_key[i + 1] = policy_type::template rotl<9>(Y); + } + + S.fill(0); + } + }; + } // namespace detail + } // namespace block + } // namespace crypto3 +} // namespace nil + +#endif // CRYPTO3_TWOFISH_POLICY_HPP diff --git a/include/nil/crypto3/block/twofish.hpp b/include/nil/crypto3/block/twofish.hpp new file mode 100644 index 0000000..f819bf0 --- /dev/null +++ b/include/nil/crypto3/block/twofish.hpp @@ -0,0 +1,148 @@ +//---------------------------------------------------------------------------// +// Copyright (c) 2018-2020 Mikhail Komarov +// Copyright (c) 2020 Nikita Kaskov +// +// Distributed under the Boost Software License, Version 1.0 +// See accompanying file LICENSE_1_0.txt or copy at +// http://www.boost.org/LICENSE_1_0.txt +//---------------------------------------------------------------------------// + +#ifndef CRYPTO3_BLOCK_TWOFISH_HPP +#define CRYPTO3_BLOCK_TWOFISH_HPP + +#include +#include + +#include + +#include +#include + +namespace nil { + namespace crypto3 { + namespace block { + /*! + * @brief Twofish. An AES contender. Somewhat complicated key setup + * and a "kitchen sink" design. + * + * @ingroup block + * + * @tparam KeyBits Block cipher key bits. Available values are: 128, 192, 256. + */ + template + class twofish { + protected: + typedef detail::twofish_policy policy_type; + + constexpr static const std::size_t key_schedule_size = policy_type::key_schedule_size; + typedef typename policy_type::key_schedule_type key_schedule_type; + + constexpr static const std::size_t expanded_substitution_size = policy_type::expanded_substitution_size; + typedef typename policy_type::expanded_substitution_type expanded_substitution_type; + + public: + constexpr static const std::size_t rounds = policy_type::rounds; + + constexpr static const std::size_t word_bits = policy_type::word_bits; + typedef typename policy_type::word_type word_type; + + constexpr static const std::size_t block_bits = policy_type::block_bits; + constexpr static const std::size_t block_words = policy_type::block_words; + typedef typename policy_type::block_type block_type; + + constexpr static const std::size_t key_bits = policy_type::key_bits; + constexpr static const std::size_t key_words = policy_type::key_words; + typedef typename policy_type::key_type key_type; + + template + struct stream_processor { + struct params_type { + + constexpr static const std::size_t value_bits = ValueBits; + constexpr static const std::size_t length_bits = policy_type::word_bits * 2; + }; + + typedef block_stream_processor type; + }; + + typedef typename stream_endian::little_octet_big_bit endian_type; + + twofish(const key_type &key) { + schedule_key(key); + } + + ~twofish() { + round_key.fill(0); + } + + inline block_type encrypt(const block_type &plaintext) const { + return encrypt_block(plaintext); + } + + inline block_type decrypt(const block_type &ciphertext) const { + return decrypt_block(ciphertext); + } + + protected: + key_schedule_type round_key; + expanded_substitution_type expanded_substitution; + + inline block_type encrypt_block(const block_type &plaintext) const { + word_type A = boost::endian::native_to_little(plaintext[0]); + word_type B = boost::endian::native_to_little(plaintext[1]); + word_type C = boost::endian::native_to_little(plaintext[2]); + word_type D = boost::endian::native_to_little(plaintext[3]); + + A ^= round_key[0]; + B ^= round_key[1]; + C ^= round_key[2]; + D ^= round_key[3]; + + for (size_t k = 8; k != expanded_substitution_size; k += 4) { + policy_type::tf_e(A, B, C, D, round_key[k], round_key[k + 1], expanded_substitution); + policy_type::tf_e(C, D, A, B, round_key[k + 2], round_key[k + 3], expanded_substitution); + } + + C ^= round_key[4]; + D ^= round_key[5]; + A ^= round_key[6]; + B ^= round_key[7]; + + return {boost::endian::little_to_native(C), boost::endian::little_to_native(D), + boost::endian::little_to_native(A), boost::endian::little_to_native(B)}; + } + + inline block_type decrypt_block(const block_type &ciphertext) const { + word_type A = boost::endian::native_to_little(ciphertext[0]); + word_type B = boost::endian::native_to_little(ciphertext[1]); + word_type C = boost::endian::native_to_little(ciphertext[2]); + word_type D = boost::endian::native_to_little(ciphertext[3]); + + A ^= round_key[4]; + B ^= round_key[5]; + C ^= round_key[6]; + D ^= round_key[7]; + + for (size_t k = expanded_substitution_size; k != 8; k -= 4) { + policy_type::F_D(A, B, C, D, round_key[k - 2], round_key[k - 1], expanded_substitution); + policy_type::F_D(C, D, A, B, round_key[k - 4], round_key[k - 3], expanded_substitution); + } + + C ^= round_key[0]; + D ^= round_key[1]; + A ^= round_key[2]; + B ^= round_key[3]; + + return {boost::endian::little_to_native(C), boost::endian::little_to_native(D), + boost::endian::little_to_native(A), boost::endian::little_to_native(B)}; + } + + inline void schedule_key(const key_type &key) { + return policy_type::schedule_key(key, expanded_substitution, round_key); + } + }; + } // namespace block + } // namespace crypto3 +} // namespace nil + +#endif diff --git a/test/CMakeLists.txt b/test/CMakeLists.txt index 6e6c334..aac6f1c 100644 --- a/test/CMakeLists.txt +++ b/test/CMakeLists.txt @@ -43,6 +43,7 @@ set(TESTS_NAMES "md5" "shacal" "shacal2" + "twofish" ) foreach(TEST_NAME ${TESTS_NAMES}) diff --git a/test/twofish.cpp b/test/twofish.cpp new file mode 100644 index 0000000..7911315 --- /dev/null +++ b/test/twofish.cpp @@ -0,0 +1,39 @@ +//---------------------------------------------------------------------------// +// Copyright (c) 2018-2020 Mikhail Komarov +// Copyright (c) 2020 Nikita Kaskov +// +// Distributed under the Boost Software License, Version 1.0 +// See accompanying file LICENSE_1_0.txt or copy at +// http://www.boost.org/LICENSE_1_0.txt +//---------------------------------------------------------------------------// + +#define BOOST_TEST_MODULE twofish_cipher_test + +#include +#include + +#include +#include +#include + +#include +#include + +#include + + +using namespace nil::crypto3; + +BOOST_AUTO_TEST_SUITE(twofish_test_suite) + +BOOST_AUTO_TEST_CASE(twofish_128_1) { + + std::vector input = {'\xd4', '\x91', '\xdb', '\x16', '\xe7', '\xb1', '\xc3', '\x9e', '\x86', '\xcb', '\x08', '\x6b', '\x78', '\x9f', '\x54', '\x19'}; + std::vector key = {'\x9f', '\x58', '\x9f', '\x5c', '\xf6', '\x12', '\x2c', '\x32', '\xb6', '\xbf', '\xec', '\x2f', '\x2a', '\xe8', '\xc3', '\x5a'}; + + std::string out = encrypt>(input, key); + + BOOST_CHECK_EQUAL(out, "019f9809de1711858faac3a3ba20fbc3"); +} + +BOOST_AUTO_TEST_SUITE_END() \ No newline at end of file