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Diffstat (limited to 'cryptopp562/sha3.cpp')
| -rw-r--r-- | cryptopp562/sha3.cpp | 284 |
1 files changed, 0 insertions, 284 deletions
diff --git a/cryptopp562/sha3.cpp b/cryptopp562/sha3.cpp deleted file mode 100644 index 7db82c1..0000000 --- a/cryptopp562/sha3.cpp +++ /dev/null @@ -1,284 +0,0 @@ -// sha3.cpp - modified by Wei Dai from Ronny Van Keer's public domain Keccak-simple.c
-// all modifications here are placed in the public domain by Wei Dai
-
-/*
-The Keccak sponge function, designed by Guido Bertoni, Joan Daemen,
-Michael Peeters and Gilles Van Assche. For more information, feedback or
-questions, please refer to our website: http://keccak.noekeon.org/
-
-Implementation by Ronny Van Keer,
-hereby denoted as "the implementer".
-
-To the extent possible under law, the implementer has waived all copyright
-and related or neighboring rights to the source code in this file.
-http://creativecommons.org/publicdomain/zero/1.0/
-*/
-
-#include "pch.h"
-#include "sha3.h"
-
-NAMESPACE_BEGIN(CryptoPP)
-
-static const word64 KeccakF_RoundConstants[24] =
-{
- W64LIT(0x0000000000000001), W64LIT(0x0000000000008082), W64LIT(0x800000000000808a),
- W64LIT(0x8000000080008000), W64LIT(0x000000000000808b), W64LIT(0x0000000080000001),
- W64LIT(0x8000000080008081), W64LIT(0x8000000000008009), W64LIT(0x000000000000008a),
- W64LIT(0x0000000000000088), W64LIT(0x0000000080008009), W64LIT(0x000000008000000a),
- W64LIT(0x000000008000808b), W64LIT(0x800000000000008b), W64LIT(0x8000000000008089),
- W64LIT(0x8000000000008003), W64LIT(0x8000000000008002), W64LIT(0x8000000000000080),
- W64LIT(0x000000000000800a), W64LIT(0x800000008000000a), W64LIT(0x8000000080008081),
- W64LIT(0x8000000000008080), W64LIT(0x0000000080000001), W64LIT(0x8000000080008008)
-};
-
-static void KeccakF1600(word64 *state)
-{
- {
- word64 Aba, Abe, Abi, Abo, Abu;
- word64 Aga, Age, Agi, Ago, Agu;
- word64 Aka, Ake, Aki, Ako, Aku;
- word64 Ama, Ame, Ami, Amo, Amu;
- word64 Asa, Ase, Asi, Aso, Asu;
- word64 BCa, BCe, BCi, BCo, BCu;
- word64 Da, De, Di, Do, Du;
- word64 Eba, Ebe, Ebi, Ebo, Ebu;
- word64 Ega, Ege, Egi, Ego, Egu;
- word64 Eka, Eke, Eki, Eko, Eku;
- word64 Ema, Eme, Emi, Emo, Emu;
- word64 Esa, Ese, Esi, Eso, Esu;
-
- //copyFromState(A, state)
- typedef BlockGetAndPut<word64, LittleEndian, true, true> Block;
- Block::Get(state)(Aba)(Abe)(Abi)(Abo)(Abu)(Aga)(Age)(Agi)(Ago)(Agu)(Aka)(Ake)(Aki)(Ako)(Aku)(Ama)(Ame)(Ami)(Amo)(Amu)(Asa)(Ase)(Asi)(Aso)(Asu);
-
- for( unsigned int round = 0; round < 24; round += 2 )
- {
- // prepareTheta
- BCa = Aba^Aga^Aka^Ama^Asa;
- BCe = Abe^Age^Ake^Ame^Ase;
- BCi = Abi^Agi^Aki^Ami^Asi;
- BCo = Abo^Ago^Ako^Amo^Aso;
- BCu = Abu^Agu^Aku^Amu^Asu;
-
- //thetaRhoPiChiIotaPrepareTheta(round , A, E)
- Da = BCu^rotlFixed(BCe, 1);
- De = BCa^rotlFixed(BCi, 1);
- Di = BCe^rotlFixed(BCo, 1);
- Do = BCi^rotlFixed(BCu, 1);
- Du = BCo^rotlFixed(BCa, 1);
-
- Aba ^= Da;
- BCa = Aba;
- Age ^= De;
- BCe = rotlFixed(Age, 44);
- Aki ^= Di;
- BCi = rotlFixed(Aki, 43);
- Amo ^= Do;
- BCo = rotlFixed(Amo, 21);
- Asu ^= Du;
- BCu = rotlFixed(Asu, 14);
- Eba = BCa ^((~BCe)& BCi );
- Eba ^= (word64)KeccakF_RoundConstants[round];
- Ebe = BCe ^((~BCi)& BCo );
- Ebi = BCi ^((~BCo)& BCu );
- Ebo = BCo ^((~BCu)& BCa );
- Ebu = BCu ^((~BCa)& BCe );
-
- Abo ^= Do;
- BCa = rotlFixed(Abo, 28);
- Agu ^= Du;
- BCe = rotlFixed(Agu, 20);
- Aka ^= Da;
- BCi = rotlFixed(Aka, 3);
- Ame ^= De;
- BCo = rotlFixed(Ame, 45);
- Asi ^= Di;
- BCu = rotlFixed(Asi, 61);
- Ega = BCa ^((~BCe)& BCi );
- Ege = BCe ^((~BCi)& BCo );
- Egi = BCi ^((~BCo)& BCu );
- Ego = BCo ^((~BCu)& BCa );
- Egu = BCu ^((~BCa)& BCe );
-
- Abe ^= De;
- BCa = rotlFixed(Abe, 1);
- Agi ^= Di;
- BCe = rotlFixed(Agi, 6);
- Ako ^= Do;
- BCi = rotlFixed(Ako, 25);
- Amu ^= Du;
- BCo = rotlFixed(Amu, 8);
- Asa ^= Da;
- BCu = rotlFixed(Asa, 18);
- Eka = BCa ^((~BCe)& BCi );
- Eke = BCe ^((~BCi)& BCo );
- Eki = BCi ^((~BCo)& BCu );
- Eko = BCo ^((~BCu)& BCa );
- Eku = BCu ^((~BCa)& BCe );
-
- Abu ^= Du;
- BCa = rotlFixed(Abu, 27);
- Aga ^= Da;
- BCe = rotlFixed(Aga, 36);
- Ake ^= De;
- BCi = rotlFixed(Ake, 10);
- Ami ^= Di;
- BCo = rotlFixed(Ami, 15);
- Aso ^= Do;
- BCu = rotlFixed(Aso, 56);
- Ema = BCa ^((~BCe)& BCi );
- Eme = BCe ^((~BCi)& BCo );
- Emi = BCi ^((~BCo)& BCu );
- Emo = BCo ^((~BCu)& BCa );
- Emu = BCu ^((~BCa)& BCe );
-
- Abi ^= Di;
- BCa = rotlFixed(Abi, 62);
- Ago ^= Do;
- BCe = rotlFixed(Ago, 55);
- Aku ^= Du;
- BCi = rotlFixed(Aku, 39);
- Ama ^= Da;
- BCo = rotlFixed(Ama, 41);
- Ase ^= De;
- BCu = rotlFixed(Ase, 2);
- Esa = BCa ^((~BCe)& BCi );
- Ese = BCe ^((~BCi)& BCo );
- Esi = BCi ^((~BCo)& BCu );
- Eso = BCo ^((~BCu)& BCa );
- Esu = BCu ^((~BCa)& BCe );
-
- // prepareTheta
- BCa = Eba^Ega^Eka^Ema^Esa;
- BCe = Ebe^Ege^Eke^Eme^Ese;
- BCi = Ebi^Egi^Eki^Emi^Esi;
- BCo = Ebo^Ego^Eko^Emo^Eso;
- BCu = Ebu^Egu^Eku^Emu^Esu;
-
- //thetaRhoPiChiIotaPrepareTheta(round+1, E, A)
- Da = BCu^rotlFixed(BCe, 1);
- De = BCa^rotlFixed(BCi, 1);
- Di = BCe^rotlFixed(BCo, 1);
- Do = BCi^rotlFixed(BCu, 1);
- Du = BCo^rotlFixed(BCa, 1);
-
- Eba ^= Da;
- BCa = Eba;
- Ege ^= De;
- BCe = rotlFixed(Ege, 44);
- Eki ^= Di;
- BCi = rotlFixed(Eki, 43);
- Emo ^= Do;
- BCo = rotlFixed(Emo, 21);
- Esu ^= Du;
- BCu = rotlFixed(Esu, 14);
- Aba = BCa ^((~BCe)& BCi );
- Aba ^= (word64)KeccakF_RoundConstants[round+1];
- Abe = BCe ^((~BCi)& BCo );
- Abi = BCi ^((~BCo)& BCu );
- Abo = BCo ^((~BCu)& BCa );
- Abu = BCu ^((~BCa)& BCe );
-
- Ebo ^= Do;
- BCa = rotlFixed(Ebo, 28);
- Egu ^= Du;
- BCe = rotlFixed(Egu, 20);
- Eka ^= Da;
- BCi = rotlFixed(Eka, 3);
- Eme ^= De;
- BCo = rotlFixed(Eme, 45);
- Esi ^= Di;
- BCu = rotlFixed(Esi, 61);
- Aga = BCa ^((~BCe)& BCi );
- Age = BCe ^((~BCi)& BCo );
- Agi = BCi ^((~BCo)& BCu );
- Ago = BCo ^((~BCu)& BCa );
- Agu = BCu ^((~BCa)& BCe );
-
- Ebe ^= De;
- BCa = rotlFixed(Ebe, 1);
- Egi ^= Di;
- BCe = rotlFixed(Egi, 6);
- Eko ^= Do;
- BCi = rotlFixed(Eko, 25);
- Emu ^= Du;
- BCo = rotlFixed(Emu, 8);
- Esa ^= Da;
- BCu = rotlFixed(Esa, 18);
- Aka = BCa ^((~BCe)& BCi );
- Ake = BCe ^((~BCi)& BCo );
- Aki = BCi ^((~BCo)& BCu );
- Ako = BCo ^((~BCu)& BCa );
- Aku = BCu ^((~BCa)& BCe );
-
- Ebu ^= Du;
- BCa = rotlFixed(Ebu, 27);
- Ega ^= Da;
- BCe = rotlFixed(Ega, 36);
- Eke ^= De;
- BCi = rotlFixed(Eke, 10);
- Emi ^= Di;
- BCo = rotlFixed(Emi, 15);
- Eso ^= Do;
- BCu = rotlFixed(Eso, 56);
- Ama = BCa ^((~BCe)& BCi );
- Ame = BCe ^((~BCi)& BCo );
- Ami = BCi ^((~BCo)& BCu );
- Amo = BCo ^((~BCu)& BCa );
- Amu = BCu ^((~BCa)& BCe );
-
- Ebi ^= Di;
- BCa = rotlFixed(Ebi, 62);
- Ego ^= Do;
- BCe = rotlFixed(Ego, 55);
- Eku ^= Du;
- BCi = rotlFixed(Eku, 39);
- Ema ^= Da;
- BCo = rotlFixed(Ema, 41);
- Ese ^= De;
- BCu = rotlFixed(Ese, 2);
- Asa = BCa ^((~BCe)& BCi );
- Ase = BCe ^((~BCi)& BCo );
- Asi = BCi ^((~BCo)& BCu );
- Aso = BCo ^((~BCu)& BCa );
- Asu = BCu ^((~BCa)& BCe );
- }
-
- //copyToState(state, A)
- Block::Put(NULL, state)(Aba)(Abe)(Abi)(Abo)(Abu)(Aga)(Age)(Agi)(Ago)(Agu)(Aka)(Ake)(Aki)(Ako)(Aku)(Ama)(Ame)(Ami)(Amo)(Amu)(Asa)(Ase)(Asi)(Aso)(Asu);
- }
-}
-
-void SHA3::Update(const byte *input, size_t length)
-{
- size_t spaceLeft;
- while (length >= (spaceLeft = r() - m_counter))
- {
- xorbuf(m_state.BytePtr() + m_counter, input, spaceLeft);
- KeccakF1600(m_state);
- input += spaceLeft;
- length -= spaceLeft;
- m_counter = 0;
- }
-
- xorbuf(m_state.BytePtr() + m_counter, input, length);
- m_counter += (unsigned int)length;
-}
-
-void SHA3::Restart()
-{
- memset(m_state, 0, m_state.SizeInBytes());
- m_counter = 0;
-}
-
-void SHA3::TruncatedFinal(byte *hash, size_t size)
-{
- ThrowIfInvalidTruncatedSize(size);
- m_state.BytePtr()[m_counter] ^= 1;
- m_state.BytePtr()[r()-1] ^= 0x80;
- KeccakF1600(m_state);
- memcpy(hash, m_state, size);
- Restart();
-}
-
-NAMESPACE_END
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