2a:I[49813,["/_next/static/chunks/3z--bwudlglfp.js","/_next/static/chunks/2u04xn-9yg2co.js","/_next/static/chunks/1b5-8ftwqgmtb.js","/_next/static/chunks/3nqo6bdos11l6.js","/_next/static/chunks/0fz0mlrjifmq7.js","/_next/static/chunks/034_kq3j28m99.js","/_next/static/chunks/29v1ttach42xh.js","/_next/static/chunks/3meo7law-jljp.js","/_next/static/chunks/1hplpmn3-d0tx.js"],"CodeWorkspace"] 2b:T2c91,/** * Copyright (c) 2011-2026 libbitcoin developers * * This file is part of libbitcoin. * * This program is free software: you can redistribute it and/or modify * it under the terms of the GNU Affero General Public License as published by * the Free Software Foundation, either version 3 of the License, or * (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU Affero General Public License for more details. * * You should have received a copy of the GNU Affero General Public License * along with this program. If not, see . */ #ifndef LIBBITCOIN_SYSTEM_CRYPTO_AES_ALGORITHM_HPP #define LIBBITCOIN_SYSTEM_CRYPTO_AES_ALGORITHM_HPP #include #include #include #include #include #include #include // Based on: // FIPS PUB 197 [Advanced Encryption Standard (AES)]. // nvlpubs.nist.gov/nistpubs/FIPS/NIST.FIPS.197-upd1.pdf // NIST SP 800-38A [Recommendation for Block Cipher Modes of Operation]. // nvlpubs.nist.gov/nistpubs/Legacy/SP/nistspecialpublication800-38a.pdf namespace libbitcoin { namespace system { namespace aes { /// AES block cipher, with counter and cipher block chaining modes. /// Native AES-NI/VAES (xcpu) or Crypto (arm), otherwise constant time /// bitsliced blocks vectorized across 64 bit lanes. template = true> class algorithm { public: /// Types. /// ----------------------------------------------------------------------- using K = AES; static constexpr auto block_bytes = 16_size; static constexpr auto key_bytes = bytes; using block_t = std_array; using key_t = std_array; using schedule_t = std_array; /// Key expansion. /// ----------------------------------------------------------------------- static constexpr schedule_t expand(const key_t& key) NOEXCEPT; /// Single block. /// ----------------------------------------------------------------------- static constexpr void encrypt(block_t& block, const schedule_t& schedule) NOEXCEPT; static constexpr void decrypt(block_t& block, const schedule_t& schedule) NOEXCEPT; static constexpr void encrypt(block_t& block, const key_t& key) NOEXCEPT; static constexpr void decrypt(block_t& block, const key_t& key) NOEXCEPT; /// Modes. /// ----------------------------------------------------------------------- /// XOR in with the keystream of successive counter blocks into out /// (in/out may be the same, empty in writes keystream). The counter is /// incremented in its low order 32 bits, big-endian (sp800-38d inc32), /// and is advanced past each block used, including a final partial block. static void ctr(byte_span out, const_byte_span in, block_t& counter, const schedule_t& schedule) NOEXCEPT; /// Decrypt whole blocks in cipher block chaining mode (in/out may be the /// same). The iv is advanced to the last cipher block, for continuation. static void cbc_decrypt(byte_span out, const_byte_span in, block_t& iv, const schedule_t& schedule) NOEXCEPT; protected: /// Intrinsics constants. /// ----------------------------------------------------------------------- static constexpr auto use_aes = Native && bc::have_aes && bc::have_128; static constexpr auto use_vaes = use_aes && bc::have_vaes; static constexpr auto use_128 = Vector && bc::have_128; static constexpr auto use_256 = Vector && bc::have_256; static constexpr auto use_512 = Vector && bc::have_512; /// Bitsliced types. /// ----------------------------------------------------------------------- /// Eight bit planes of four blocks per 64 bit lane, over integral or /// extended integral words (lanes of four blocks each). static constexpr auto planes = 8_size; static constexpr auto slice_blocks = 4_size; using words_t = std_array; template using xplanes_t = aligned_array; template using xkeys_t = std_array, K::round_keys>; template using xblocks_t = std_array; /// Native types. /// ----------------------------------------------------------------------- /// Concurrent native blocks, interleaved to cover instruction latency. static constexpr auto native_words = 4_size; template using native_keys_t = aligned_array; template using native_state_t = aligned_array; /// Bitslicing. /// ----------------------------------------------------------------------- template INLINE static constexpr Word constant(uint64_t value) NOEXCEPT; template INLINE static constexpr Word xors(Word a, Words... b) NOEXCEPT; template INLINE static constexpr Word ors(Word a, Words... b) NOEXCEPT; template INLINE static constexpr void swap(Word& x, Word& y) NOEXCEPT; template INLINE static constexpr void ortho(xplanes_t& q) NOEXCEPT; INLINE static constexpr void interleave_in(uint64_t& q0, uint64_t& q1, const words_t& w) NOEXCEPT; INLINE static constexpr void interleave_out(words_t& w, uint64_t q0, uint64_t q1) NOEXCEPT; INLINE static constexpr words_t to_words(const block_t& block) NOEXCEPT; INLINE static constexpr block_t from_words(const words_t& words) NOEXCEPT; /// Round functions. /// ----------------------------------------------------------------------- template INLINE static constexpr void sbox(xplanes_t& q) NOEXCEPT; template INLINE static constexpr void inverse_sbox(xplanes_t& q) NOEXCEPT; template INLINE static constexpr void inverse_affine(xplanes_t& q) NOEXCEPT; template INLINE static constexpr Word shift_row(Word x) NOEXCEPT; template INLINE static constexpr Word inverse_shift_row(Word x) NOEXCEPT; template INLINE static constexpr void shift_rows(xplanes_t& q) NOEXCEPT; template INLINE static constexpr void inverse_shift_rows(xplanes_t& q) NOEXCEPT; template INLINE static constexpr void xtime(xplanes_t& q) NOEXCEPT; template INLINE static constexpr void mix_columns(xplanes_t& q) NOEXCEPT; template INLINE static constexpr void inverse_mix_columns(xplanes_t& q) NOEXCEPT; template INLINE static constexpr void add_key(xplanes_t& q, const xplanes_t& key) NOEXCEPT; template static constexpr void encrypt_planes(xplanes_t& q, const xkeys_t& keys) NOEXCEPT; template static constexpr void decrypt_planes(xplanes_t& q, const xkeys_t& keys) NOEXCEPT; /// Schedule. /// ----------------------------------------------------------------------- static constexpr uint32_t sub_word(uint32_t word) NOEXCEPT; static constexpr xkeys_t slice(const schedule_t& schedule) NOEXCEPT; template INLINE static xkeys_t broadcast(const xkeys_t& keys) NOEXCEPT; /// Bitsliced blocks. /// ----------------------------------------------------------------------- template INLINE static constexpr void xinput(xplanes_t& q, const xblocks_t& in) NOEXCEPT; template INLINE static constexpr void xoutput(xblocks_t& out, const xplanes_t& q) NOEXCEPT; template static constexpr void xencrypt(xblocks_t& xblocks, const xkeys_t& keys) NOEXCEPT; template static constexpr void xdecrypt(xblocks_t& xblocks, const xkeys_t& keys) NOEXCEPT; static constexpr void encrypt_sliced(block_t& block, const schedule_t& schedule) NOEXCEPT; static constexpr void decrypt_sliced(block_t& block, const schedule_t& schedule) NOEXCEPT; /// Native. /// ----------------------------------------------------------------------- template INLINE static native_keys_t native_encrypt_keys( const schedule_t& schedule) NOEXCEPT; template INLINE static native_keys_t native_decrypt_keys( const schedule_t& schedule) NOEXCEPT; template INLINE static void native_encrypt(native_state_t& state, const native_keys_t& keys) NOEXCEPT; static void encrypt_native(block_t& block, const schedule_t& schedule) NOEXCEPT; static void decrypt_native(block_t& block, const schedule_t& schedule) NOEXCEPT; /// Counter mode. /// ----------------------------------------------------------------------- INLINE static void increment(block_t& counter) NOEXCEPT; INLINE static void apply(byte_span out, const_byte_span in, size_t start, const_byte_span stream) NOEXCEPT; template INLINE static size_t native_ctr(byte_span out, const_byte_span in, size_t start, block_t& counter, const schedule_t& schedule) NOEXCEPT; template INLINE static size_t sliced_ctr(byte_span out, const_byte_span in, size_t start, block_t& counter, const xkeys_t& keys) NOEXCEPT; public: /// Summary public values. /// ----------------------------------------------------------------------- static constexpr auto native = use_aes; static constexpr auto vector = (use_128 || use_256 || use_512); }; } // namespace aes } // namespace system } // namespace libbitcoin #define TEMPLATE template If> #define CLASS algorithm BC_PUSH_WARNING(NO_ARRAY_INDEXING) BC_PUSH_WARNING(NO_DYNAMIC_ARRAY_INDEXING) BC_PUSH_WARNING(NO_POINTER_ARITHMETIC) BC_PUSH_WARNING(NO_USE_OF_SPAN) #include #include #include #include #include #include BC_POP_WARNING() BC_POP_WARNING() BC_POP_WARNING() BC_POP_WARNING() #undef CLASS #undef TEMPLATE #endif 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