Add built-in RIPEMD-160 implementation
This commit is contained in:
Pieter Wuille
parent
13b5dfef64
commit
a5bc9c0917
5 changed files with 248 additions and 4 deletions
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@ -77,6 +77,7 @@ BITCOIN_CORE_H = \
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serialize.h \
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serialize.h \
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crypto/sha2.h \
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crypto/sha2.h \
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crypto/sha1.h \
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crypto/sha1.h \
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crypto/ripemd160.h \
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sync.h \
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sync.h \
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threadsafety.h \
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threadsafety.h \
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tinyformat.h \
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tinyformat.h \
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@ -156,6 +157,7 @@ libbitcoin_common_a_SOURCES = \
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script.cpp \
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script.cpp \
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crypto/sha1.cpp \
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crypto/sha1.cpp \
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crypto/sha2.cpp \
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crypto/sha2.cpp \
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crypto/ripemd160.cpp \
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sync.cpp \
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sync.cpp \
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util.cpp \
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util.cpp \
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version.cpp \
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version.cpp \
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217
src/crypto/ripemd160.cpp
Normal file
217
src/crypto/ripemd160.cpp
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@ -0,0 +1,217 @@
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// Copyright (c) 2014 The Bitcoin developers
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// Distributed under the MIT/X11 software license, see the accompanying
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// file COPYING or http://www.opensource.org/licenses/mit-license.php.
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#include "crypto/ripemd160.h"
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#include <string.h>
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// Internal implementation code.
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namespace {
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/** Read 4 bytes, and interpret them as a 32-bit unsigned little-endian integer. */
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uint32_t inline ReadLE32(const unsigned char *data) {
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return ((uint32_t)data[0] | (uint32_t)data[1] << 8 | (uint32_t)data[2] << 16 | (uint32_t)data[3] << 24);
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}
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/** Write a 32-bit unsigned little-endian integer. */
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void inline WriteLE32(unsigned char *data, uint32_t x) {
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data[0] = x;
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data[1] = x >> 8;
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data[2] = x >> 16;
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data[3] = x >> 24;
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}
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/// Internal RIPEMD-160 implementation.
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namespace ripemd160 {
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uint32_t inline f1(uint32_t x, uint32_t y, uint32_t z) { return x ^ y ^ z; }
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uint32_t inline f2(uint32_t x, uint32_t y, uint32_t z) { return (x & y) | (~x & z); }
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uint32_t inline f3(uint32_t x, uint32_t y, uint32_t z) { return (x | ~y) ^ z; }
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uint32_t inline f4(uint32_t x, uint32_t y, uint32_t z) { return (x & z) | (y & ~z); }
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uint32_t inline f5(uint32_t x, uint32_t y, uint32_t z) { return x ^ (y | ~z); }
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/** Initialize RIPEMD-160 state. */
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void inline Initialize(uint32_t *s) {
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s[0] = 0x67452301ul;
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s[1] = 0xEFCDAB89ul;
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s[2] = 0x98BADCFEul;
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s[3] = 0x10325476ul;
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s[4] = 0xC3D2E1F0ul;
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}
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uint32_t inline rol(uint32_t x, int i) { return (x << i) | (x >> (32-i)); }
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void inline Round(uint32_t &a, uint32_t b, uint32_t &c, uint32_t d, uint32_t e, uint32_t f, uint32_t x, uint32_t k, int r) {
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a = rol(a + f + x + k, r) + e;
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c = rol(c, 10);
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}
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void inline R11(uint32_t &a, uint32_t b, uint32_t &c, uint32_t d, uint32_t e, uint32_t x, int r) { Round(a, b, c, d, e, f1(b, c, d), x, 0, r); }
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void inline R21(uint32_t &a, uint32_t b, uint32_t &c, uint32_t d, uint32_t e, uint32_t x, int r) { Round(a, b, c, d, e, f2(b, c, d), x, 0x5A827999ul, r); }
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void inline R31(uint32_t &a, uint32_t b, uint32_t &c, uint32_t d, uint32_t e, uint32_t x, int r) { Round(a, b, c, d, e, f3(b, c, d), x, 0x6ED9EBA1ul, r); }
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void inline R41(uint32_t &a, uint32_t b, uint32_t &c, uint32_t d, uint32_t e, uint32_t x, int r) { Round(a, b, c, d, e, f4(b, c, d), x, 0x8F1BBCDCul, r); }
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void inline R51(uint32_t &a, uint32_t b, uint32_t &c, uint32_t d, uint32_t e, uint32_t x, int r) { Round(a, b, c, d, e, f5(b, c, d), x, 0xA953FD4Eul, r); }
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void inline R12(uint32_t &a, uint32_t b, uint32_t &c, uint32_t d, uint32_t e, uint32_t x, int r) { Round(a, b, c, d, e, f5(b, c, d), x, 0x50A28BE6ul, r); }
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void inline R22(uint32_t &a, uint32_t b, uint32_t &c, uint32_t d, uint32_t e, uint32_t x, int r) { Round(a, b, c, d, e, f4(b, c, d), x, 0x5C4DD124ul, r); }
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void inline R32(uint32_t &a, uint32_t b, uint32_t &c, uint32_t d, uint32_t e, uint32_t x, int r) { Round(a, b, c, d, e, f3(b, c, d), x, 0x6D703EF3ul, r); }
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void inline R42(uint32_t &a, uint32_t b, uint32_t &c, uint32_t d, uint32_t e, uint32_t x, int r) { Round(a, b, c, d, e, f2(b, c, d), x, 0x7A6D76E9ul, r); }
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void inline R52(uint32_t &a, uint32_t b, uint32_t &c, uint32_t d, uint32_t e, uint32_t x, int r) { Round(a, b, c, d, e, f1(b, c, d), x, 0, r); }
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/** Perform a RIPEMD-160 transformation, processing a 64-byte chunk. */
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void Transform(uint32_t *s, const unsigned char *chunk) {
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uint32_t a1 = s[0], b1 = s[1], c1 = s[2], d1 = s[3], e1 = s[4];
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uint32_t a2 = a1 , b2 = b1 , c2 = c1 , d2 = d1 , e2 = e1 ;
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uint32_t w0 = ReadLE32(chunk + 0), w1 = ReadLE32(chunk + 4), w2 = ReadLE32(chunk + 8), w3 = ReadLE32(chunk + 12);
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uint32_t w4 = ReadLE32(chunk + 16), w5 = ReadLE32(chunk + 20), w6 = ReadLE32(chunk + 24), w7 = ReadLE32(chunk + 28);
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uint32_t w8 = ReadLE32(chunk + 32), w9 = ReadLE32(chunk + 36), w10 = ReadLE32(chunk + 40), w11 = ReadLE32(chunk + 44);
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uint32_t w12 = ReadLE32(chunk + 48), w13 = ReadLE32(chunk + 52), w14 = ReadLE32(chunk + 56), w15 = ReadLE32(chunk + 60);
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R11(a1, b1, c1, d1, e1, w0 , 11); R12(a2, b2, c2, d2, e2, w5 , 8);
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R11(e1, a1, b1, c1, d1, w1 , 14); R12(e2, a2, b2, c2, d2, w14, 9);
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R11(d1, e1, a1, b1, c1, w2 , 15); R12(d2, e2, a2, b2, c2, w7 , 9);
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R11(c1, d1, e1, a1, b1, w3 , 12); R12(c2, d2, e2, a2, b2, w0 , 11);
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R11(b1, c1, d1, e1, a1, w4 , 5); R12(b2, c2, d2, e2, a2, w9 , 13);
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R11(a1, b1, c1, d1, e1, w5 , 8); R12(a2, b2, c2, d2, e2, w2 , 15);
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R11(e1, a1, b1, c1, d1, w6 , 7); R12(e2, a2, b2, c2, d2, w11, 15);
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R11(d1, e1, a1, b1, c1, w7 , 9); R12(d2, e2, a2, b2, c2, w4 , 5);
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R11(c1, d1, e1, a1, b1, w8 , 11); R12(c2, d2, e2, a2, b2, w13, 7);
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R11(b1, c1, d1, e1, a1, w9 , 13); R12(b2, c2, d2, e2, a2, w6 , 7);
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R11(a1, b1, c1, d1, e1, w10, 14); R12(a2, b2, c2, d2, e2, w15, 8);
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R11(e1, a1, b1, c1, d1, w11, 15); R12(e2, a2, b2, c2, d2, w8 , 11);
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R11(d1, e1, a1, b1, c1, w12, 6); R12(d2, e2, a2, b2, c2, w1 , 14);
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R11(c1, d1, e1, a1, b1, w13, 7); R12(c2, d2, e2, a2, b2, w10, 14);
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R11(b1, c1, d1, e1, a1, w14, 9); R12(b2, c2, d2, e2, a2, w3 , 12);
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R11(a1, b1, c1, d1, e1, w15, 8); R12(a2, b2, c2, d2, e2, w12, 6);
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R21(e1, a1, b1, c1, d1, w7 , 7); R22(e2, a2, b2, c2, d2, w6 , 9);
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R21(d1, e1, a1, b1, c1, w4 , 6); R22(d2, e2, a2, b2, c2, w11, 13);
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R21(c1, d1, e1, a1, b1, w13, 8); R22(c2, d2, e2, a2, b2, w3 , 15);
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R21(b1, c1, d1, e1, a1, w1 , 13); R22(b2, c2, d2, e2, a2, w7 , 7);
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R21(a1, b1, c1, d1, e1, w10, 11); R22(a2, b2, c2, d2, e2, w0 , 12);
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R21(e1, a1, b1, c1, d1, w6 , 9); R22(e2, a2, b2, c2, d2, w13, 8);
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R21(d1, e1, a1, b1, c1, w15, 7); R22(d2, e2, a2, b2, c2, w5 , 9);
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R21(c1, d1, e1, a1, b1, w3 , 15); R22(c2, d2, e2, a2, b2, w10, 11);
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R21(b1, c1, d1, e1, a1, w12, 7); R22(b2, c2, d2, e2, a2, w14, 7);
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R21(a1, b1, c1, d1, e1, w0 , 12); R22(a2, b2, c2, d2, e2, w15, 7);
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R21(e1, a1, b1, c1, d1, w9 , 15); R22(e2, a2, b2, c2, d2, w8 , 12);
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R21(d1, e1, a1, b1, c1, w5 , 9); R22(d2, e2, a2, b2, c2, w12, 7);
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R21(c1, d1, e1, a1, b1, w2 , 11); R22(c2, d2, e2, a2, b2, w4 , 6);
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R21(b1, c1, d1, e1, a1, w14, 7); R22(b2, c2, d2, e2, a2, w9 , 15);
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R21(a1, b1, c1, d1, e1, w11, 13); R22(a2, b2, c2, d2, e2, w1 , 13);
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R21(e1, a1, b1, c1, d1, w8 , 12); R22(e2, a2, b2, c2, d2, w2 , 11);
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R31(d1, e1, a1, b1, c1, w3 , 11); R32(d2, e2, a2, b2, c2, w15, 9);
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R31(c1, d1, e1, a1, b1, w10, 13); R32(c2, d2, e2, a2, b2, w5 , 7);
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R31(b1, c1, d1, e1, a1, w14, 6); R32(b2, c2, d2, e2, a2, w1 , 15);
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R31(a1, b1, c1, d1, e1, w4 , 7); R32(a2, b2, c2, d2, e2, w3 , 11);
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R31(e1, a1, b1, c1, d1, w9 , 14); R32(e2, a2, b2, c2, d2, w7 , 8);
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R31(d1, e1, a1, b1, c1, w15, 9); R32(d2, e2, a2, b2, c2, w14, 6);
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R31(c1, d1, e1, a1, b1, w8 , 13); R32(c2, d2, e2, a2, b2, w6 , 6);
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R31(b1, c1, d1, e1, a1, w1 , 15); R32(b2, c2, d2, e2, a2, w9 , 14);
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R31(a1, b1, c1, d1, e1, w2 , 14); R32(a2, b2, c2, d2, e2, w11, 12);
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R31(e1, a1, b1, c1, d1, w7 , 8); R32(e2, a2, b2, c2, d2, w8 , 13);
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R31(d1, e1, a1, b1, c1, w0 , 13); R32(d2, e2, a2, b2, c2, w12, 5);
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R31(c1, d1, e1, a1, b1, w6 , 6); R32(c2, d2, e2, a2, b2, w2 , 14);
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R31(b1, c1, d1, e1, a1, w13, 5); R32(b2, c2, d2, e2, a2, w10, 13);
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R31(a1, b1, c1, d1, e1, w11, 12); R32(a2, b2, c2, d2, e2, w0 , 13);
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R31(e1, a1, b1, c1, d1, w5 , 7); R32(e2, a2, b2, c2, d2, w4 , 7);
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R31(d1, e1, a1, b1, c1, w12, 5); R32(d2, e2, a2, b2, c2, w13, 5);
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R41(c1, d1, e1, a1, b1, w1 , 11); R42(c2, d2, e2, a2, b2, w8 , 15);
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R41(b1, c1, d1, e1, a1, w9 , 12); R42(b2, c2, d2, e2, a2, w6 , 5);
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R41(a1, b1, c1, d1, e1, w11, 14); R42(a2, b2, c2, d2, e2, w4 , 8);
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R41(e1, a1, b1, c1, d1, w10, 15); R42(e2, a2, b2, c2, d2, w1 , 11);
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R41(d1, e1, a1, b1, c1, w0 , 14); R42(d2, e2, a2, b2, c2, w3 , 14);
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R41(c1, d1, e1, a1, b1, w8 , 15); R42(c2, d2, e2, a2, b2, w11, 14);
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R41(b1, c1, d1, e1, a1, w12, 9); R42(b2, c2, d2, e2, a2, w15, 6);
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R41(a1, b1, c1, d1, e1, w4 , 8); R42(a2, b2, c2, d2, e2, w0 , 14);
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R41(e1, a1, b1, c1, d1, w13, 9); R42(e2, a2, b2, c2, d2, w5 , 6);
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R41(d1, e1, a1, b1, c1, w3 , 14); R42(d2, e2, a2, b2, c2, w12, 9);
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R41(c1, d1, e1, a1, b1, w7 , 5); R42(c2, d2, e2, a2, b2, w2 , 12);
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R41(b1, c1, d1, e1, a1, w15, 6); R42(b2, c2, d2, e2, a2, w13, 9);
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R41(a1, b1, c1, d1, e1, w14, 8); R42(a2, b2, c2, d2, e2, w9 , 12);
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R41(e1, a1, b1, c1, d1, w5 , 6); R42(e2, a2, b2, c2, d2, w7 , 5);
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R41(d1, e1, a1, b1, c1, w6 , 5); R42(d2, e2, a2, b2, c2, w10, 15);
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R41(c1, d1, e1, a1, b1, w2 , 12); R42(c2, d2, e2, a2, b2, w14, 8);
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R51(b1, c1, d1, e1, a1, w4 , 9); R52(b2, c2, d2, e2, a2, w12, 8);
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R51(a1, b1, c1, d1, e1, w0 , 15); R52(a2, b2, c2, d2, e2, w15, 5);
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R51(e1, a1, b1, c1, d1, w5 , 5); R52(e2, a2, b2, c2, d2, w10, 12);
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R51(d1, e1, a1, b1, c1, w9 , 11); R52(d2, e2, a2, b2, c2, w4 , 9);
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R51(c1, d1, e1, a1, b1, w7 , 6); R52(c2, d2, e2, a2, b2, w1 , 12);
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R51(b1, c1, d1, e1, a1, w12, 8); R52(b2, c2, d2, e2, a2, w5 , 5);
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R51(a1, b1, c1, d1, e1, w2 , 13); R52(a2, b2, c2, d2, e2, w8 , 14);
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R51(e1, a1, b1, c1, d1, w10, 12); R52(e2, a2, b2, c2, d2, w7 , 6);
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R51(d1, e1, a1, b1, c1, w14, 5); R52(d2, e2, a2, b2, c2, w6 , 8);
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R51(c1, d1, e1, a1, b1, w1 , 12); R52(c2, d2, e2, a2, b2, w2 , 13);
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R51(b1, c1, d1, e1, a1, w3 , 13); R52(b2, c2, d2, e2, a2, w13, 6);
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R51(a1, b1, c1, d1, e1, w8 , 14); R52(a2, b2, c2, d2, e2, w14, 5);
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R51(e1, a1, b1, c1, d1, w11, 11); R52(e2, a2, b2, c2, d2, w0 , 15);
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R51(d1, e1, a1, b1, c1, w6 , 8); R52(d2, e2, a2, b2, c2, w3 , 13);
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R51(c1, d1, e1, a1, b1, w15, 5); R52(c2, d2, e2, a2, b2, w9 , 11);
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R51(b1, c1, d1, e1, a1, w13, 6); R52(b2, c2, d2, e2, a2, w11, 11);
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uint32_t t = s[0];
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s[0] = s[1] + c1 + d2;
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s[1] = s[2] + d1 + e2;
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s[2] = s[3] + e1 + a2;
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s[3] = s[4] + a1 + b2;
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s[4] = t + b1 + c2;
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}
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} // namespace ripemd160
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||||||
|
} // namespace
|
||||||
|
|
||||||
|
////// RIPEMD160
|
||||||
|
|
||||||
|
CRIPEMD160::CRIPEMD160() : bytes(0) {
|
||||||
|
ripemd160::Initialize(s);
|
||||||
|
}
|
||||||
|
|
||||||
|
CRIPEMD160& CRIPEMD160::Write(const unsigned char *data, size_t len) {
|
||||||
|
const unsigned char *end = data + len;
|
||||||
|
size_t bufsize = bytes % 64;
|
||||||
|
if (bufsize && bufsize + len >= 64) {
|
||||||
|
// Fill the buffer, and process it.
|
||||||
|
memcpy(buf + bufsize, data, 64 - bufsize);
|
||||||
|
bytes += 64 - bufsize;
|
||||||
|
data += 64 - bufsize;
|
||||||
|
ripemd160::Transform(s, buf);
|
||||||
|
bufsize = 0;
|
||||||
|
}
|
||||||
|
while (end >= data + 64) {
|
||||||
|
// Process full chunks directly from the source.
|
||||||
|
ripemd160::Transform(s, data);
|
||||||
|
bytes += 64;
|
||||||
|
data += 64;
|
||||||
|
}
|
||||||
|
if (end > data) {
|
||||||
|
// Fill the buffer with what remains.
|
||||||
|
memcpy(buf + bufsize, data, end - data);
|
||||||
|
bytes += end - data;
|
||||||
|
}
|
||||||
|
return *this;
|
||||||
|
}
|
||||||
|
|
||||||
|
void CRIPEMD160::Finalize(unsigned char *hash) {
|
||||||
|
static const unsigned char pad[64] = {0x80};
|
||||||
|
unsigned char sizedesc[8];
|
||||||
|
WriteLE32(sizedesc, bytes << 3);
|
||||||
|
WriteLE32(sizedesc+4, bytes >> 29);
|
||||||
|
Write(pad, 1 + ((119 - (bytes % 64)) % 64));
|
||||||
|
Write(sizedesc, 8);
|
||||||
|
WriteLE32(hash, s[0]);
|
||||||
|
WriteLE32(hash+4, s[1]);
|
||||||
|
WriteLE32(hash+8, s[2]);
|
||||||
|
WriteLE32(hash+12, s[3]);
|
||||||
|
WriteLE32(hash+16, s[4]);
|
||||||
|
}
|
||||||
|
|
||||||
|
CRIPEMD160& CRIPEMD160::Reset() {
|
||||||
|
bytes = 0;
|
||||||
|
ripemd160::Initialize(s);
|
||||||
|
return *this;
|
||||||
|
}
|
||||||
25
src/crypto/ripemd160.h
Normal file
25
src/crypto/ripemd160.h
Normal file
|
|
@ -0,0 +1,25 @@
|
||||||
|
// Copyright (c) 2014 The Bitcoin developers
|
||||||
|
// Distributed under the MIT/X11 software license, see the accompanying
|
||||||
|
// file COPYING or http://www.opensource.org/licenses/mit-license.php.
|
||||||
|
|
||||||
|
#ifndef BITCOIN_RIPEMD160_H
|
||||||
|
#define BITCOIN_RIPEMD160_H
|
||||||
|
|
||||||
|
#include <stdint.h>
|
||||||
|
#include <stdlib.h>
|
||||||
|
|
||||||
|
/** A hasher class for RIPEMD-160. */
|
||||||
|
class CRIPEMD160 {
|
||||||
|
private:
|
||||||
|
uint32_t s[5];
|
||||||
|
unsigned char buf[64];
|
||||||
|
size_t bytes;
|
||||||
|
|
||||||
|
public:
|
||||||
|
CRIPEMD160();
|
||||||
|
CRIPEMD160& Write(const unsigned char *data, size_t len);
|
||||||
|
void Finalize(unsigned char *hash);
|
||||||
|
CRIPEMD160& Reset();
|
||||||
|
};
|
||||||
|
|
||||||
|
#endif
|
||||||
|
|
@ -7,14 +7,13 @@
|
||||||
#define BITCOIN_HASH_H
|
#define BITCOIN_HASH_H
|
||||||
|
|
||||||
#include "crypto/sha2.h"
|
#include "crypto/sha2.h"
|
||||||
|
#include "crypto/ripemd160.h"
|
||||||
#include "serialize.h"
|
#include "serialize.h"
|
||||||
#include "uint256.h"
|
#include "uint256.h"
|
||||||
#include "version.h"
|
#include "version.h"
|
||||||
|
|
||||||
#include <vector>
|
#include <vector>
|
||||||
|
|
||||||
#include <openssl/ripemd.h>
|
|
||||||
|
|
||||||
/** A hasher class for Bitcoin's 256-bit hash (double SHA-256). */
|
/** A hasher class for Bitcoin's 256-bit hash (double SHA-256). */
|
||||||
class CHash256 {
|
class CHash256 {
|
||||||
private:
|
private:
|
||||||
|
|
@ -45,7 +44,7 @@ public:
|
||||||
void Finalize(unsigned char *hash) {
|
void Finalize(unsigned char *hash) {
|
||||||
unsigned char buf[32];
|
unsigned char buf[32];
|
||||||
sha.Finalize(buf);
|
sha.Finalize(buf);
|
||||||
RIPEMD160(buf, 32, hash);
|
CRIPEMD160().Write(buf, 32).Finalize(hash);
|
||||||
}
|
}
|
||||||
|
|
||||||
CHash160& Write(const unsigned char *data, size_t len) {
|
CHash160& Write(const unsigned char *data, size_t len) {
|
||||||
|
|
|
||||||
|
|
@ -11,6 +11,7 @@
|
||||||
#include "keystore.h"
|
#include "keystore.h"
|
||||||
#include "crypto/sha1.h"
|
#include "crypto/sha1.h"
|
||||||
#include "crypto/sha2.h"
|
#include "crypto/sha2.h"
|
||||||
|
#include "crypto/ripemd160.h"
|
||||||
#include "sync.h"
|
#include "sync.h"
|
||||||
#include "uint256.h"
|
#include "uint256.h"
|
||||||
#include "util.h"
|
#include "util.h"
|
||||||
|
|
@ -803,7 +804,7 @@ bool EvalScript(vector<vector<unsigned char> >& stack, const CScript& script, co
|
||||||
valtype& vch = stacktop(-1);
|
valtype& vch = stacktop(-1);
|
||||||
valtype vchHash((opcode == OP_RIPEMD160 || opcode == OP_SHA1 || opcode == OP_HASH160) ? 20 : 32);
|
valtype vchHash((opcode == OP_RIPEMD160 || opcode == OP_SHA1 || opcode == OP_HASH160) ? 20 : 32);
|
||||||
if (opcode == OP_RIPEMD160)
|
if (opcode == OP_RIPEMD160)
|
||||||
RIPEMD160(&vch[0], vch.size(), &vchHash[0]);
|
CRIPEMD160().Write(&vch[0], vch.size()).Finalize(&vchHash[0]);
|
||||||
else if (opcode == OP_SHA1)
|
else if (opcode == OP_SHA1)
|
||||||
CSHA1().Write(&vch[0], vch.size()).Finalize(&vchHash[0]);
|
CSHA1().Write(&vch[0], vch.size()).Finalize(&vchHash[0]);
|
||||||
else if (opcode == OP_SHA256)
|
else if (opcode == OP_SHA256)
|
||||||
|
|
|
||||||
Loading…
Reference in a new issue