diff options
Diffstat (limited to 'libdevcore/Hash.cpp')
| -rw-r--r-- | libdevcore/Hash.cpp | 440 |
1 files changed, 0 insertions, 440 deletions
diff --git a/libdevcore/Hash.cpp b/libdevcore/Hash.cpp deleted file mode 100644 index c6b917b9..00000000 --- a/libdevcore/Hash.cpp +++ /dev/null @@ -1,440 +0,0 @@ -/* - This file is part of cpp-ethereum. - - cpp-ethereum is free software: you can redistribute it and/or modify - it under the terms of the GNU General Public License as published by - the Free Software Foundation, either version 3 of the License, or - (at your option) any later version. - - cpp-ethereum 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 General Public License for more details. - - You should have received a copy of the GNU General Public License - along with cpp-ethereum. If not, see <http://www.gnu.org/licenses/>. -*/ -/** @file Hash.cpp - * @author Gav Wood <i@gavwood.com> - * @date 2014 - */ - -#include "Hash.h" -#include <cstdio> -#include <cstdlib> -#include <cstring> -#include "picosha2.h" -using namespace std; -using namespace dev; - -namespace dev -{ - -h256 sha256(bytesConstRef _input) -{ - h256 ret; - picosha2::hash256(_input.begin(), _input.end(), ret.data(), ret.data() + 32); - return ret; -} - -namespace rmd160 -{ - -/********************************************************************\ - * - * FILE: rmd160.h - * FILE: rmd160.c - * - * CONTENTS: Header file for a sample C-implementation of the - * RIPEMD-160 hash-function. - * TARGET: any computer with an ANSI C compiler - * - * AUTHOR: Antoon Bosselaers, ESAT-COSIC - * DATE: 1 March 1996 - * VERSION: 1.0 - * - * Copyright (c) Katholieke Universiteit Leuven - * 1996, All Rights Reserved - * - \********************************************************************/ - -// Adapted into "header-only" format by Gav Wood. - -/* macro definitions */ - -#define RMDsize 160 - -/* collect four bytes into one word: */ -#define BYTES_TO_DWORD(strptr) \ -(((uint32_t) *((strptr)+3) << 24) | \ -((uint32_t) *((strptr)+2) << 16) | \ -((uint32_t) *((strptr)+1) << 8) | \ -((uint32_t) *(strptr))) - -/* ROL(x, n) cyclically rotates x over n bits to the left */ -/* x must be of an unsigned 32 bits type and 0 <= n < 32. */ -#define ROL(x, n) (((x) << (n)) | ((x) >> (32-(n)))) - -/* the five basic functions F(), G() and H() */ -#define F(x, y, z) ((x) ^ (y) ^ (z)) -#define G(x, y, z) (((x) & (y)) | (~(x) & (z))) -#define H(x, y, z) (((x) | ~(y)) ^ (z)) -#define I(x, y, z) (((x) & (z)) | ((y) & ~(z))) -#define J(x, y, z) ((x) ^ ((y) | ~(z))) - -/* the ten basic operations FF() through III() */ -#define FF(a, b, c, d, e, x, s) {\ -(a) += F((b), (c), (d)) + (x);\ -(a) = ROL((a), (s)) + (e);\ -(c) = ROL((c), 10);\ -} -#define GG(a, b, c, d, e, x, s) {\ -(a) += G((b), (c), (d)) + (x) + 0x5a827999UL;\ -(a) = ROL((a), (s)) + (e);\ -(c) = ROL((c), 10);\ -} -#define HH(a, b, c, d, e, x, s) {\ -(a) += H((b), (c), (d)) + (x) + 0x6ed9eba1UL;\ -(a) = ROL((a), (s)) + (e);\ -(c) = ROL((c), 10);\ -} -#define II(a, b, c, d, e, x, s) {\ -(a) += I((b), (c), (d)) + (x) + 0x8f1bbcdcUL;\ -(a) = ROL((a), (s)) + (e);\ -(c) = ROL((c), 10);\ -} -#define JJ(a, b, c, d, e, x, s) {\ -(a) += J((b), (c), (d)) + (x) + 0xa953fd4eUL;\ -(a) = ROL((a), (s)) + (e);\ -(c) = ROL((c), 10);\ -} -#define FFF(a, b, c, d, e, x, s) {\ -(a) += F((b), (c), (d)) + (x);\ -(a) = ROL((a), (s)) + (e);\ -(c) = ROL((c), 10);\ -} -#define GGG(a, b, c, d, e, x, s) {\ -(a) += G((b), (c), (d)) + (x) + 0x7a6d76e9UL;\ -(a) = ROL((a), (s)) + (e);\ -(c) = ROL((c), 10);\ -} -#define HHH(a, b, c, d, e, x, s) {\ -(a) += H((b), (c), (d)) + (x) + 0x6d703ef3UL;\ -(a) = ROL((a), (s)) + (e);\ -(c) = ROL((c), 10);\ -} -#define III(a, b, c, d, e, x, s) {\ -(a) += I((b), (c), (d)) + (x) + 0x5c4dd124UL;\ -(a) = ROL((a), (s)) + (e);\ -(c) = ROL((c), 10);\ -} -#define JJJ(a, b, c, d, e, x, s) {\ -(a) += J((b), (c), (d)) + (x) + 0x50a28be6UL;\ -(a) = ROL((a), (s)) + (e);\ -(c) = ROL((c), 10);\ -} - -void MDinit(uint32_t *MDbuf) -{ - MDbuf[0] = 0x67452301UL; - MDbuf[1] = 0xefcdab89UL; - MDbuf[2] = 0x98badcfeUL; - MDbuf[3] = 0x10325476UL; - MDbuf[4] = 0xc3d2e1f0UL; - - return; -} - -/********************************************************************/ - -void MDcompress(uint32_t *MDbuf, uint32_t *X) -{ - uint32_t aa = MDbuf[0], bb = MDbuf[1], cc = MDbuf[2], - dd = MDbuf[3], ee = MDbuf[4]; - uint32_t aaa = MDbuf[0], bbb = MDbuf[1], ccc = MDbuf[2], - ddd = MDbuf[3], eee = MDbuf[4]; - - /* round 1 */ - FF(aa, bb, cc, dd, ee, X[ 0], 11); - FF(ee, aa, bb, cc, dd, X[ 1], 14); - FF(dd, ee, aa, bb, cc, X[ 2], 15); - FF(cc, dd, ee, aa, bb, X[ 3], 12); - FF(bb, cc, dd, ee, aa, X[ 4], 5); - FF(aa, bb, cc, dd, ee, X[ 5], 8); - FF(ee, aa, bb, cc, dd, X[ 6], 7); - FF(dd, ee, aa, bb, cc, X[ 7], 9); - FF(cc, dd, ee, aa, bb, X[ 8], 11); - FF(bb, cc, dd, ee, aa, X[ 9], 13); - FF(aa, bb, cc, dd, ee, X[10], 14); - FF(ee, aa, bb, cc, dd, X[11], 15); - FF(dd, ee, aa, bb, cc, X[12], 6); - FF(cc, dd, ee, aa, bb, X[13], 7); - FF(bb, cc, dd, ee, aa, X[14], 9); - FF(aa, bb, cc, dd, ee, X[15], 8); - - /* round 2 */ - GG(ee, aa, bb, cc, dd, X[ 7], 7); - GG(dd, ee, aa, bb, cc, X[ 4], 6); - GG(cc, dd, ee, aa, bb, X[13], 8); - GG(bb, cc, dd, ee, aa, X[ 1], 13); - GG(aa, bb, cc, dd, ee, X[10], 11); - GG(ee, aa, bb, cc, dd, X[ 6], 9); - GG(dd, ee, aa, bb, cc, X[15], 7); - GG(cc, dd, ee, aa, bb, X[ 3], 15); - GG(bb, cc, dd, ee, aa, X[12], 7); - GG(aa, bb, cc, dd, ee, X[ 0], 12); - GG(ee, aa, bb, cc, dd, X[ 9], 15); - GG(dd, ee, aa, bb, cc, X[ 5], 9); - GG(cc, dd, ee, aa, bb, X[ 2], 11); - GG(bb, cc, dd, ee, aa, X[14], 7); - GG(aa, bb, cc, dd, ee, X[11], 13); - GG(ee, aa, bb, cc, dd, X[ 8], 12); - - /* round 3 */ - HH(dd, ee, aa, bb, cc, X[ 3], 11); - HH(cc, dd, ee, aa, bb, X[10], 13); - HH(bb, cc, dd, ee, aa, X[14], 6); - HH(aa, bb, cc, dd, ee, X[ 4], 7); - HH(ee, aa, bb, cc, dd, X[ 9], 14); - HH(dd, ee, aa, bb, cc, X[15], 9); - HH(cc, dd, ee, aa, bb, X[ 8], 13); - HH(bb, cc, dd, ee, aa, X[ 1], 15); - HH(aa, bb, cc, dd, ee, X[ 2], 14); - HH(ee, aa, bb, cc, dd, X[ 7], 8); - HH(dd, ee, aa, bb, cc, X[ 0], 13); - HH(cc, dd, ee, aa, bb, X[ 6], 6); - HH(bb, cc, dd, ee, aa, X[13], 5); - HH(aa, bb, cc, dd, ee, X[11], 12); - HH(ee, aa, bb, cc, dd, X[ 5], 7); - HH(dd, ee, aa, bb, cc, X[12], 5); - - /* round 4 */ - II(cc, dd, ee, aa, bb, X[ 1], 11); - II(bb, cc, dd, ee, aa, X[ 9], 12); - II(aa, bb, cc, dd, ee, X[11], 14); - II(ee, aa, bb, cc, dd, X[10], 15); - II(dd, ee, aa, bb, cc, X[ 0], 14); - II(cc, dd, ee, aa, bb, X[ 8], 15); - II(bb, cc, dd, ee, aa, X[12], 9); - II(aa, bb, cc, dd, ee, X[ 4], 8); - II(ee, aa, bb, cc, dd, X[13], 9); - II(dd, ee, aa, bb, cc, X[ 3], 14); - II(cc, dd, ee, aa, bb, X[ 7], 5); - II(bb, cc, dd, ee, aa, X[15], 6); - II(aa, bb, cc, dd, ee, X[14], 8); - II(ee, aa, bb, cc, dd, X[ 5], 6); - II(dd, ee, aa, bb, cc, X[ 6], 5); - II(cc, dd, ee, aa, bb, X[ 2], 12); - - /* round 5 */ - JJ(bb, cc, dd, ee, aa, X[ 4], 9); - JJ(aa, bb, cc, dd, ee, X[ 0], 15); - JJ(ee, aa, bb, cc, dd, X[ 5], 5); - JJ(dd, ee, aa, bb, cc, X[ 9], 11); - JJ(cc, dd, ee, aa, bb, X[ 7], 6); - JJ(bb, cc, dd, ee, aa, X[12], 8); - JJ(aa, bb, cc, dd, ee, X[ 2], 13); - JJ(ee, aa, bb, cc, dd, X[10], 12); - JJ(dd, ee, aa, bb, cc, X[14], 5); - JJ(cc, dd, ee, aa, bb, X[ 1], 12); - JJ(bb, cc, dd, ee, aa, X[ 3], 13); - JJ(aa, bb, cc, dd, ee, X[ 8], 14); - JJ(ee, aa, bb, cc, dd, X[11], 11); - JJ(dd, ee, aa, bb, cc, X[ 6], 8); - JJ(cc, dd, ee, aa, bb, X[15], 5); - JJ(bb, cc, dd, ee, aa, X[13], 6); - - /* parallel round 1 */ - JJJ(aaa, bbb, ccc, ddd, eee, X[ 5], 8); - JJJ(eee, aaa, bbb, ccc, ddd, X[14], 9); - JJJ(ddd, eee, aaa, bbb, ccc, X[ 7], 9); - JJJ(ccc, ddd, eee, aaa, bbb, X[ 0], 11); - JJJ(bbb, ccc, ddd, eee, aaa, X[ 9], 13); - JJJ(aaa, bbb, ccc, ddd, eee, X[ 2], 15); - JJJ(eee, aaa, bbb, ccc, ddd, X[11], 15); - JJJ(ddd, eee, aaa, bbb, ccc, X[ 4], 5); - JJJ(ccc, ddd, eee, aaa, bbb, X[13], 7); - JJJ(bbb, ccc, ddd, eee, aaa, X[ 6], 7); - JJJ(aaa, bbb, ccc, ddd, eee, X[15], 8); - JJJ(eee, aaa, bbb, ccc, ddd, X[ 8], 11); - JJJ(ddd, eee, aaa, bbb, ccc, X[ 1], 14); - JJJ(ccc, ddd, eee, aaa, bbb, X[10], 14); - JJJ(bbb, ccc, ddd, eee, aaa, X[ 3], 12); - JJJ(aaa, bbb, ccc, ddd, eee, X[12], 6); - - /* parallel round 2 */ - III(eee, aaa, bbb, ccc, ddd, X[ 6], 9); - III(ddd, eee, aaa, bbb, ccc, X[11], 13); - III(ccc, ddd, eee, aaa, bbb, X[ 3], 15); - III(bbb, ccc, ddd, eee, aaa, X[ 7], 7); - III(aaa, bbb, ccc, ddd, eee, X[ 0], 12); - III(eee, aaa, bbb, ccc, ddd, X[13], 8); - III(ddd, eee, aaa, bbb, ccc, X[ 5], 9); - III(ccc, ddd, eee, aaa, bbb, X[10], 11); - III(bbb, ccc, ddd, eee, aaa, X[14], 7); - III(aaa, bbb, ccc, ddd, eee, X[15], 7); - III(eee, aaa, bbb, ccc, ddd, X[ 8], 12); - III(ddd, eee, aaa, bbb, ccc, X[12], 7); - III(ccc, ddd, eee, aaa, bbb, X[ 4], 6); - III(bbb, ccc, ddd, eee, aaa, X[ 9], 15); - III(aaa, bbb, ccc, ddd, eee, X[ 1], 13); - III(eee, aaa, bbb, ccc, ddd, X[ 2], 11); - - /* parallel round 3 */ - HHH(ddd, eee, aaa, bbb, ccc, X[15], 9); - HHH(ccc, ddd, eee, aaa, bbb, X[ 5], 7); - HHH(bbb, ccc, ddd, eee, aaa, X[ 1], 15); - HHH(aaa, bbb, ccc, ddd, eee, X[ 3], 11); - HHH(eee, aaa, bbb, ccc, ddd, X[ 7], 8); - HHH(ddd, eee, aaa, bbb, ccc, X[14], 6); - HHH(ccc, ddd, eee, aaa, bbb, X[ 6], 6); - HHH(bbb, ccc, ddd, eee, aaa, X[ 9], 14); - HHH(aaa, bbb, ccc, ddd, eee, X[11], 12); - HHH(eee, aaa, bbb, ccc, ddd, X[ 8], 13); - HHH(ddd, eee, aaa, bbb, ccc, X[12], 5); - HHH(ccc, ddd, eee, aaa, bbb, X[ 2], 14); - HHH(bbb, ccc, ddd, eee, aaa, X[10], 13); - HHH(aaa, bbb, ccc, ddd, eee, X[ 0], 13); - HHH(eee, aaa, bbb, ccc, ddd, X[ 4], 7); - HHH(ddd, eee, aaa, bbb, ccc, X[13], 5); - - /* parallel round 4 */ - GGG(ccc, ddd, eee, aaa, bbb, X[ 8], 15); - GGG(bbb, ccc, ddd, eee, aaa, X[ 6], 5); - GGG(aaa, bbb, ccc, ddd, eee, X[ 4], 8); - GGG(eee, aaa, bbb, ccc, ddd, X[ 1], 11); - GGG(ddd, eee, aaa, bbb, ccc, X[ 3], 14); - GGG(ccc, ddd, eee, aaa, bbb, X[11], 14); - GGG(bbb, ccc, ddd, eee, aaa, X[15], 6); - GGG(aaa, bbb, ccc, ddd, eee, X[ 0], 14); - GGG(eee, aaa, bbb, ccc, ddd, X[ 5], 6); - GGG(ddd, eee, aaa, bbb, ccc, X[12], 9); - GGG(ccc, ddd, eee, aaa, bbb, X[ 2], 12); - GGG(bbb, ccc, ddd, eee, aaa, X[13], 9); - GGG(aaa, bbb, ccc, ddd, eee, X[ 9], 12); - GGG(eee, aaa, bbb, ccc, ddd, X[ 7], 5); - GGG(ddd, eee, aaa, bbb, ccc, X[10], 15); - GGG(ccc, ddd, eee, aaa, bbb, X[14], 8); - - /* parallel round 5 */ - FFF(bbb, ccc, ddd, eee, aaa, X[12] , 8); - FFF(aaa, bbb, ccc, ddd, eee, X[15] , 5); - FFF(eee, aaa, bbb, ccc, ddd, X[10] , 12); - FFF(ddd, eee, aaa, bbb, ccc, X[ 4] , 9); - FFF(ccc, ddd, eee, aaa, bbb, X[ 1] , 12); - FFF(bbb, ccc, ddd, eee, aaa, X[ 5] , 5); - FFF(aaa, bbb, ccc, ddd, eee, X[ 8] , 14); - FFF(eee, aaa, bbb, ccc, ddd, X[ 7] , 6); - FFF(ddd, eee, aaa, bbb, ccc, X[ 6] , 8); - FFF(ccc, ddd, eee, aaa, bbb, X[ 2] , 13); - FFF(bbb, ccc, ddd, eee, aaa, X[13] , 6); - FFF(aaa, bbb, ccc, ddd, eee, X[14] , 5); - FFF(eee, aaa, bbb, ccc, ddd, X[ 0] , 15); - FFF(ddd, eee, aaa, bbb, ccc, X[ 3] , 13); - FFF(ccc, ddd, eee, aaa, bbb, X[ 9] , 11); - FFF(bbb, ccc, ddd, eee, aaa, X[11] , 11); - - /* combine results */ - ddd += cc + MDbuf[1]; /* final result for MDbuf[0] */ - MDbuf[1] = MDbuf[2] + dd + eee; - MDbuf[2] = MDbuf[3] + ee + aaa; - MDbuf[3] = MDbuf[4] + aa + bbb; - MDbuf[4] = MDbuf[0] + bb + ccc; - MDbuf[0] = ddd; - - return; -} - -void MDfinish(uint32_t *MDbuf, byte const *strptr, uint32_t lswlen, uint32_t mswlen) -{ - unsigned int i; /* counter */ - uint32_t X[16]; /* message words */ - - memset(X, 0, 16*sizeof(uint32_t)); - - /* put bytes from strptr into X */ - for (i=0; i<(lswlen&63); i++) { - /* byte i goes into word X[i div 4] at pos. 8*(i mod 4) */ - X[i>>2] ^= (uint32_t) *strptr++ << (8 * (i&3)); - } - - /* append the bit m_n == 1 */ - X[(lswlen>>2)&15] ^= (uint32_t)1 << (8*(lswlen&3) + 7); - - if ((lswlen & 63) > 55) { - /* length goes to next block */ - MDcompress(MDbuf, X); - memset(X, 0, 16*sizeof(uint32_t)); - } - - /* append length in bits*/ - X[14] = lswlen << 3; - X[15] = (lswlen >> 29) | (mswlen << 3); - MDcompress(MDbuf, X); - - return; -} - -#undef ROL -#undef F -#undef G -#undef H -#undef I -#undef J -#undef FF -#undef GG -#undef HH -#undef II -#undef JJ -#undef FFF -#undef GGG -#undef HHH -#undef III -#undef JJJ - -} - -/* - * @returns RMD(_input) - */ -h160 ripemd160(bytesConstRef _input) -{ - h160 hashcode; - uint32_t buffer[RMDsize / 32]; // contains (A, B, C, D(, E)) - uint32_t current[16]; // current 16-word chunk - - // initialize - rmd160::MDinit(buffer); - byte const* message = _input.data(); - uint32_t remaining = _input.size(); // # of bytes not yet processed - - // process message in 16x 4-byte chunks - for (; remaining >= 64; remaining -= 64) - { - for (unsigned i = 0; i < 16; i++) - { - current[i] = BYTES_TO_DWORD(message); - message += 4; - } - rmd160::MDcompress(buffer, current); - } - // length mod 64 bytes left - - // finish: - rmd160::MDfinish(buffer, message, _input.size(), 0); - - for (unsigned i = 0; i < RMDsize / 8; i += 4) - { - hashcode[i] = buffer[i >> 2]; // implicit cast to byte - hashcode[i + 1] = (buffer[i >> 2] >> 8); //extracts the 8 least - hashcode[i + 2] = (buffer[i >> 2] >> 16); // significant bits. - hashcode[i + 3] = (buffer[i >> 2] >> 24); - } - - return hashcode; -} - -#undef BYTES_TO_DWORD -#undef RMDsize - -} |