diff --git a/src/crypto/ripemd160.cpp b/src/crypto/ripemd160.cpp index 4e6c9f370c..05a81265d7 100644 --- a/src/crypto/ripemd160.cpp +++ b/src/crypto/ripemd160.cpp @@ -1,328 +1,328 @@ // Copyright (c) 2014 The Bitcoin Core developers // Distributed under the MIT software license, see the accompanying // file COPYING or http://www.opensource.org/licenses/mit-license.php. #include #include #include // Internal implementation code. namespace { /// Internal RIPEMD-160 implementation. namespace ripemd160 { inline uint32_t f1(uint32_t x, uint32_t y, uint32_t z) { return x ^ y ^ z; } inline uint32_t f2(uint32_t x, uint32_t y, uint32_t z) { return (x & y) | (~x & z); } inline uint32_t f3(uint32_t x, uint32_t y, uint32_t z) { return (x | ~y) ^ z; } inline uint32_t f4(uint32_t x, uint32_t y, uint32_t z) { return (x & z) | (y & ~z); } inline uint32_t f5(uint32_t x, uint32_t y, uint32_t z) { return x ^ (y | ~z); } /** Initialize RIPEMD-160 state. */ inline void Initialize(uint32_t *s) { s[0] = 0x67452301ul; s[1] = 0xEFCDAB89ul; s[2] = 0x98BADCFEul; s[3] = 0x10325476ul; s[4] = 0xC3D2E1F0ul; } inline uint32_t rol(uint32_t x, int i) { return (x << i) | (x >> (32 - i)); } inline void 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) { a = rol(a + f + x + k, r) + e; c = rol(c, 10); } inline void 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); } inline void 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); } inline void 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); } inline void 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); } inline void 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); } inline void 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); } inline void 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); } inline void 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); } inline void 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); } inline void 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); } /** Perform a RIPEMD-160 transformation, processing a 64-byte chunk. */ void Transform(uint32_t *s, const uint8_t *chunk) { uint32_t a1 = s[0], b1 = s[1], c1 = s[2], d1 = s[3], e1 = s[4]; uint32_t a2 = a1, b2 = b1, c2 = c1, d2 = d1, e2 = e1; uint32_t w0 = ReadLE32(chunk + 0), w1 = ReadLE32(chunk + 4), w2 = ReadLE32(chunk + 8), w3 = ReadLE32(chunk + 12); uint32_t w4 = ReadLE32(chunk + 16), w5 = ReadLE32(chunk + 20), w6 = ReadLE32(chunk + 24), w7 = ReadLE32(chunk + 28); uint32_t w8 = ReadLE32(chunk + 32), w9 = ReadLE32(chunk + 36), w10 = ReadLE32(chunk + 40), w11 = ReadLE32(chunk + 44); uint32_t w12 = ReadLE32(chunk + 48), w13 = ReadLE32(chunk + 52), w14 = ReadLE32(chunk + 56), w15 = ReadLE32(chunk + 60); R11(a1, b1, c1, d1, e1, w0, 11); R12(a2, b2, c2, d2, e2, w5, 8); R11(e1, a1, b1, c1, d1, w1, 14); R12(e2, a2, b2, c2, d2, w14, 9); R11(d1, e1, a1, b1, c1, w2, 15); R12(d2, e2, a2, b2, c2, w7, 9); R11(c1, d1, e1, a1, b1, w3, 12); R12(c2, d2, e2, a2, b2, w0, 11); R11(b1, c1, d1, e1, a1, w4, 5); R12(b2, c2, d2, e2, a2, w9, 13); R11(a1, b1, c1, d1, e1, w5, 8); R12(a2, b2, c2, d2, e2, w2, 15); R11(e1, a1, b1, c1, d1, w6, 7); R12(e2, a2, b2, c2, d2, w11, 15); R11(d1, e1, a1, b1, c1, w7, 9); R12(d2, e2, a2, b2, c2, w4, 5); R11(c1, d1, e1, a1, b1, w8, 11); R12(c2, d2, e2, a2, b2, w13, 7); R11(b1, c1, d1, e1, a1, w9, 13); R12(b2, c2, d2, e2, a2, w6, 7); R11(a1, b1, c1, d1, e1, w10, 14); R12(a2, b2, c2, d2, e2, w15, 8); R11(e1, a1, b1, c1, d1, w11, 15); R12(e2, a2, b2, c2, d2, w8, 11); R11(d1, e1, a1, b1, c1, w12, 6); R12(d2, e2, a2, b2, c2, w1, 14); R11(c1, d1, e1, a1, b1, w13, 7); R12(c2, d2, e2, a2, b2, w10, 14); R11(b1, c1, d1, e1, a1, w14, 9); R12(b2, c2, d2, e2, a2, w3, 12); R11(a1, b1, c1, d1, e1, w15, 8); R12(a2, b2, c2, d2, e2, w12, 6); R21(e1, a1, b1, c1, d1, w7, 7); R22(e2, a2, b2, c2, d2, w6, 9); R21(d1, e1, a1, b1, c1, w4, 6); R22(d2, e2, a2, b2, c2, w11, 13); R21(c1, d1, e1, a1, b1, w13, 8); R22(c2, d2, e2, a2, b2, w3, 15); R21(b1, c1, d1, e1, a1, w1, 13); R22(b2, c2, d2, e2, a2, w7, 7); R21(a1, b1, c1, d1, e1, w10, 11); R22(a2, b2, c2, d2, e2, w0, 12); R21(e1, a1, b1, c1, d1, w6, 9); R22(e2, a2, b2, c2, d2, w13, 8); R21(d1, e1, a1, b1, c1, w15, 7); R22(d2, e2, a2, b2, c2, w5, 9); R21(c1, d1, e1, a1, b1, w3, 15); R22(c2, d2, e2, a2, b2, w10, 11); R21(b1, c1, d1, e1, a1, w12, 7); R22(b2, c2, d2, e2, a2, w14, 7); R21(a1, b1, c1, d1, e1, w0, 12); R22(a2, b2, c2, d2, e2, w15, 7); R21(e1, a1, b1, c1, d1, w9, 15); R22(e2, a2, b2, c2, d2, w8, 12); R21(d1, e1, a1, b1, c1, w5, 9); R22(d2, e2, a2, b2, c2, w12, 7); R21(c1, d1, e1, a1, b1, w2, 11); R22(c2, d2, e2, a2, b2, w4, 6); R21(b1, c1, d1, e1, a1, w14, 7); R22(b2, c2, d2, e2, a2, w9, 15); R21(a1, b1, c1, d1, e1, w11, 13); R22(a2, b2, c2, d2, e2, w1, 13); R21(e1, a1, b1, c1, d1, w8, 12); R22(e2, a2, b2, c2, d2, w2, 11); R31(d1, e1, a1, b1, c1, w3, 11); R32(d2, e2, a2, b2, c2, w15, 9); R31(c1, d1, e1, a1, b1, w10, 13); R32(c2, d2, e2, a2, b2, w5, 7); R31(b1, c1, d1, e1, a1, w14, 6); R32(b2, c2, d2, e2, a2, w1, 15); R31(a1, b1, c1, d1, e1, w4, 7); R32(a2, b2, c2, d2, e2, w3, 11); R31(e1, a1, b1, c1, d1, w9, 14); R32(e2, a2, b2, c2, d2, w7, 8); R31(d1, e1, a1, b1, c1, w15, 9); R32(d2, e2, a2, b2, c2, w14, 6); R31(c1, d1, e1, a1, b1, w8, 13); R32(c2, d2, e2, a2, b2, w6, 6); R31(b1, c1, d1, e1, a1, w1, 15); R32(b2, c2, d2, e2, a2, w9, 14); R31(a1, b1, c1, d1, e1, w2, 14); R32(a2, b2, c2, d2, e2, w11, 12); R31(e1, a1, b1, c1, d1, w7, 8); R32(e2, a2, b2, c2, d2, w8, 13); R31(d1, e1, a1, b1, c1, w0, 13); R32(d2, e2, a2, b2, c2, w12, 5); R31(c1, d1, e1, a1, b1, w6, 6); R32(c2, d2, e2, a2, b2, w2, 14); R31(b1, c1, d1, e1, a1, w13, 5); R32(b2, c2, d2, e2, a2, w10, 13); R31(a1, b1, c1, d1, e1, w11, 12); R32(a2, b2, c2, d2, e2, w0, 13); R31(e1, a1, b1, c1, d1, w5, 7); R32(e2, a2, b2, c2, d2, w4, 7); R31(d1, e1, a1, b1, c1, w12, 5); R32(d2, e2, a2, b2, c2, w13, 5); R41(c1, d1, e1, a1, b1, w1, 11); R42(c2, d2, e2, a2, b2, w8, 15); R41(b1, c1, d1, e1, a1, w9, 12); R42(b2, c2, d2, e2, a2, w6, 5); R41(a1, b1, c1, d1, e1, w11, 14); R42(a2, b2, c2, d2, e2, w4, 8); R41(e1, a1, b1, c1, d1, w10, 15); R42(e2, a2, b2, c2, d2, w1, 11); R41(d1, e1, a1, b1, c1, w0, 14); R42(d2, e2, a2, b2, c2, w3, 14); R41(c1, d1, e1, a1, b1, w8, 15); R42(c2, d2, e2, a2, b2, w11, 14); R41(b1, c1, d1, e1, a1, w12, 9); R42(b2, c2, d2, e2, a2, w15, 6); R41(a1, b1, c1, d1, e1, w4, 8); R42(a2, b2, c2, d2, e2, w0, 14); R41(e1, a1, b1, c1, d1, w13, 9); R42(e2, a2, b2, c2, d2, w5, 6); R41(d1, e1, a1, b1, c1, w3, 14); R42(d2, e2, a2, b2, c2, w12, 9); R41(c1, d1, e1, a1, b1, w7, 5); R42(c2, d2, e2, a2, b2, w2, 12); R41(b1, c1, d1, e1, a1, w15, 6); R42(b2, c2, d2, e2, a2, w13, 9); R41(a1, b1, c1, d1, e1, w14, 8); R42(a2, b2, c2, d2, e2, w9, 12); R41(e1, a1, b1, c1, d1, w5, 6); R42(e2, a2, b2, c2, d2, w7, 5); R41(d1, e1, a1, b1, c1, w6, 5); R42(d2, e2, a2, b2, c2, w10, 15); R41(c1, d1, e1, a1, b1, w2, 12); R42(c2, d2, e2, a2, b2, w14, 8); R51(b1, c1, d1, e1, a1, w4, 9); R52(b2, c2, d2, e2, a2, w12, 8); R51(a1, b1, c1, d1, e1, w0, 15); R52(a2, b2, c2, d2, e2, w15, 5); R51(e1, a1, b1, c1, d1, w5, 5); R52(e2, a2, b2, c2, d2, w10, 12); R51(d1, e1, a1, b1, c1, w9, 11); R52(d2, e2, a2, b2, c2, w4, 9); R51(c1, d1, e1, a1, b1, w7, 6); R52(c2, d2, e2, a2, b2, w1, 12); R51(b1, c1, d1, e1, a1, w12, 8); R52(b2, c2, d2, e2, a2, w5, 5); R51(a1, b1, c1, d1, e1, w2, 13); R52(a2, b2, c2, d2, e2, w8, 14); R51(e1, a1, b1, c1, d1, w10, 12); R52(e2, a2, b2, c2, d2, w7, 6); R51(d1, e1, a1, b1, c1, w14, 5); R52(d2, e2, a2, b2, c2, w6, 8); R51(c1, d1, e1, a1, b1, w1, 12); R52(c2, d2, e2, a2, b2, w2, 13); R51(b1, c1, d1, e1, a1, w3, 13); R52(b2, c2, d2, e2, a2, w13, 6); R51(a1, b1, c1, d1, e1, w8, 14); R52(a2, b2, c2, d2, e2, w14, 5); R51(e1, a1, b1, c1, d1, w11, 11); R52(e2, a2, b2, c2, d2, w0, 15); R51(d1, e1, a1, b1, c1, w6, 8); R52(d2, e2, a2, b2, c2, w3, 13); R51(c1, d1, e1, a1, b1, w15, 5); R52(c2, d2, e2, a2, b2, w9, 11); R51(b1, c1, d1, e1, a1, w13, 6); R52(b2, c2, d2, e2, a2, w11, 11); uint32_t t = s[0]; s[0] = s[1] + c1 + d2; s[1] = s[2] + d1 + e2; s[2] = s[3] + e1 + a2; s[3] = s[4] + a1 + b2; s[4] = t + b1 + c2; } } // namespace ripemd160 } // namespace ////// RIPEMD160 CRIPEMD160::CRIPEMD160() : bytes(0) { ripemd160::Initialize(s); } CRIPEMD160 &CRIPEMD160::Write(const uint8_t *data, size_t len) { const uint8_t *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) { + 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(uint8_t hash[OUTPUT_SIZE]) { static const uint8_t pad[64] = {0x80}; uint8_t sizedesc[8]; WriteLE64(sizedesc, bytes << 3); 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; } diff --git a/src/crypto/sha1.cpp b/src/crypto/sha1.cpp index 967a9ce602..be514831f0 100644 --- a/src/crypto/sha1.cpp +++ b/src/crypto/sha1.cpp @@ -1,196 +1,196 @@ // Copyright (c) 2014 The Bitcoin Core developers // Distributed under the MIT software license, see the accompanying // file COPYING or http://www.opensource.org/licenses/mit-license.php. #include #include #include // Internal implementation code. namespace { /// Internal SHA-1 implementation. namespace sha1 { /** One round of SHA-1. */ inline void Round(uint32_t a, uint32_t &b, uint32_t c, uint32_t d, uint32_t &e, uint32_t f, uint32_t k, uint32_t w) { e += ((a << 5) | (a >> 27)) + f + k + w; b = (b << 30) | (b >> 2); } inline uint32_t f1(uint32_t b, uint32_t c, uint32_t d) { return d ^ (b & (c ^ d)); } inline uint32_t f2(uint32_t b, uint32_t c, uint32_t d) { return b ^ c ^ d; } inline uint32_t f3(uint32_t b, uint32_t c, uint32_t d) { return (b & c) | (d & (b | c)); } inline uint32_t left(uint32_t x) { return (x << 1) | (x >> 31); } /** Initialize SHA-1 state. */ inline void Initialize(uint32_t *s) { s[0] = 0x67452301ul; s[1] = 0xEFCDAB89ul; s[2] = 0x98BADCFEul; s[3] = 0x10325476ul; s[4] = 0xC3D2E1F0ul; } const uint32_t k1 = 0x5A827999ul; const uint32_t k2 = 0x6ED9EBA1ul; const uint32_t k3 = 0x8F1BBCDCul; const uint32_t k4 = 0xCA62C1D6ul; /** Perform a SHA-1 transformation, processing a 64-byte chunk. */ void Transform(uint32_t *s, const uint8_t *chunk) { uint32_t a = s[0], b = s[1], c = s[2], d = s[3], e = s[4]; uint32_t w0, w1, w2, w3, w4, w5, w6, w7, w8, w9, w10, w11, w12, w13, w14, w15; Round(a, b, c, d, e, f1(b, c, d), k1, w0 = ReadBE32(chunk + 0)); Round(e, a, b, c, d, f1(a, b, c), k1, w1 = ReadBE32(chunk + 4)); Round(d, e, a, b, c, f1(e, a, b), k1, w2 = ReadBE32(chunk + 8)); Round(c, d, e, a, b, f1(d, e, a), k1, w3 = ReadBE32(chunk + 12)); Round(b, c, d, e, a, f1(c, d, e), k1, w4 = ReadBE32(chunk + 16)); Round(a, b, c, d, e, f1(b, c, d), k1, w5 = ReadBE32(chunk + 20)); Round(e, a, b, c, d, f1(a, b, c), k1, w6 = ReadBE32(chunk + 24)); Round(d, e, a, b, c, f1(e, a, b), k1, w7 = ReadBE32(chunk + 28)); Round(c, d, e, a, b, f1(d, e, a), k1, w8 = ReadBE32(chunk + 32)); Round(b, c, d, e, a, f1(c, d, e), k1, w9 = ReadBE32(chunk + 36)); Round(a, b, c, d, e, f1(b, c, d), k1, w10 = ReadBE32(chunk + 40)); Round(e, a, b, c, d, f1(a, b, c), k1, w11 = ReadBE32(chunk + 44)); Round(d, e, a, b, c, f1(e, a, b), k1, w12 = ReadBE32(chunk + 48)); Round(c, d, e, a, b, f1(d, e, a), k1, w13 = ReadBE32(chunk + 52)); Round(b, c, d, e, a, f1(c, d, e), k1, w14 = ReadBE32(chunk + 56)); Round(a, b, c, d, e, f1(b, c, d), k1, w15 = ReadBE32(chunk + 60)); Round(e, a, b, c, d, f1(a, b, c), k1, w0 = left(w0 ^ w13 ^ w8 ^ w2)); Round(d, e, a, b, c, f1(e, a, b), k1, w1 = left(w1 ^ w14 ^ w9 ^ w3)); Round(c, d, e, a, b, f1(d, e, a), k1, w2 = left(w2 ^ w15 ^ w10 ^ w4)); Round(b, c, d, e, a, f1(c, d, e), k1, w3 = left(w3 ^ w0 ^ w11 ^ w5)); Round(a, b, c, d, e, f2(b, c, d), k2, w4 = left(w4 ^ w1 ^ w12 ^ w6)); Round(e, a, b, c, d, f2(a, b, c), k2, w5 = left(w5 ^ w2 ^ w13 ^ w7)); Round(d, e, a, b, c, f2(e, a, b), k2, w6 = left(w6 ^ w3 ^ w14 ^ w8)); Round(c, d, e, a, b, f2(d, e, a), k2, w7 = left(w7 ^ w4 ^ w15 ^ w9)); Round(b, c, d, e, a, f2(c, d, e), k2, w8 = left(w8 ^ w5 ^ w0 ^ w10)); Round(a, b, c, d, e, f2(b, c, d), k2, w9 = left(w9 ^ w6 ^ w1 ^ w11)); Round(e, a, b, c, d, f2(a, b, c), k2, w10 = left(w10 ^ w7 ^ w2 ^ w12)); Round(d, e, a, b, c, f2(e, a, b), k2, w11 = left(w11 ^ w8 ^ w3 ^ w13)); Round(c, d, e, a, b, f2(d, e, a), k2, w12 = left(w12 ^ w9 ^ w4 ^ w14)); Round(b, c, d, e, a, f2(c, d, e), k2, w13 = left(w13 ^ w10 ^ w5 ^ w15)); Round(a, b, c, d, e, f2(b, c, d), k2, w14 = left(w14 ^ w11 ^ w6 ^ w0)); Round(e, a, b, c, d, f2(a, b, c), k2, w15 = left(w15 ^ w12 ^ w7 ^ w1)); Round(d, e, a, b, c, f2(e, a, b), k2, w0 = left(w0 ^ w13 ^ w8 ^ w2)); Round(c, d, e, a, b, f2(d, e, a), k2, w1 = left(w1 ^ w14 ^ w9 ^ w3)); Round(b, c, d, e, a, f2(c, d, e), k2, w2 = left(w2 ^ w15 ^ w10 ^ w4)); Round(a, b, c, d, e, f2(b, c, d), k2, w3 = left(w3 ^ w0 ^ w11 ^ w5)); Round(e, a, b, c, d, f2(a, b, c), k2, w4 = left(w4 ^ w1 ^ w12 ^ w6)); Round(d, e, a, b, c, f2(e, a, b), k2, w5 = left(w5 ^ w2 ^ w13 ^ w7)); Round(c, d, e, a, b, f2(d, e, a), k2, w6 = left(w6 ^ w3 ^ w14 ^ w8)); Round(b, c, d, e, a, f2(c, d, e), k2, w7 = left(w7 ^ w4 ^ w15 ^ w9)); Round(a, b, c, d, e, f3(b, c, d), k3, w8 = left(w8 ^ w5 ^ w0 ^ w10)); Round(e, a, b, c, d, f3(a, b, c), k3, w9 = left(w9 ^ w6 ^ w1 ^ w11)); Round(d, e, a, b, c, f3(e, a, b), k3, w10 = left(w10 ^ w7 ^ w2 ^ w12)); Round(c, d, e, a, b, f3(d, e, a), k3, w11 = left(w11 ^ w8 ^ w3 ^ w13)); Round(b, c, d, e, a, f3(c, d, e), k3, w12 = left(w12 ^ w9 ^ w4 ^ w14)); Round(a, b, c, d, e, f3(b, c, d), k3, w13 = left(w13 ^ w10 ^ w5 ^ w15)); Round(e, a, b, c, d, f3(a, b, c), k3, w14 = left(w14 ^ w11 ^ w6 ^ w0)); Round(d, e, a, b, c, f3(e, a, b), k3, w15 = left(w15 ^ w12 ^ w7 ^ w1)); Round(c, d, e, a, b, f3(d, e, a), k3, w0 = left(w0 ^ w13 ^ w8 ^ w2)); Round(b, c, d, e, a, f3(c, d, e), k3, w1 = left(w1 ^ w14 ^ w9 ^ w3)); Round(a, b, c, d, e, f3(b, c, d), k3, w2 = left(w2 ^ w15 ^ w10 ^ w4)); Round(e, a, b, c, d, f3(a, b, c), k3, w3 = left(w3 ^ w0 ^ w11 ^ w5)); Round(d, e, a, b, c, f3(e, a, b), k3, w4 = left(w4 ^ w1 ^ w12 ^ w6)); Round(c, d, e, a, b, f3(d, e, a), k3, w5 = left(w5 ^ w2 ^ w13 ^ w7)); Round(b, c, d, e, a, f3(c, d, e), k3, w6 = left(w6 ^ w3 ^ w14 ^ w8)); Round(a, b, c, d, e, f3(b, c, d), k3, w7 = left(w7 ^ w4 ^ w15 ^ w9)); Round(e, a, b, c, d, f3(a, b, c), k3, w8 = left(w8 ^ w5 ^ w0 ^ w10)); Round(d, e, a, b, c, f3(e, a, b), k3, w9 = left(w9 ^ w6 ^ w1 ^ w11)); Round(c, d, e, a, b, f3(d, e, a), k3, w10 = left(w10 ^ w7 ^ w2 ^ w12)); Round(b, c, d, e, a, f3(c, d, e), k3, w11 = left(w11 ^ w8 ^ w3 ^ w13)); Round(a, b, c, d, e, f2(b, c, d), k4, w12 = left(w12 ^ w9 ^ w4 ^ w14)); Round(e, a, b, c, d, f2(a, b, c), k4, w13 = left(w13 ^ w10 ^ w5 ^ w15)); Round(d, e, a, b, c, f2(e, a, b), k4, w14 = left(w14 ^ w11 ^ w6 ^ w0)); Round(c, d, e, a, b, f2(d, e, a), k4, w15 = left(w15 ^ w12 ^ w7 ^ w1)); Round(b, c, d, e, a, f2(c, d, e), k4, w0 = left(w0 ^ w13 ^ w8 ^ w2)); Round(a, b, c, d, e, f2(b, c, d), k4, w1 = left(w1 ^ w14 ^ w9 ^ w3)); Round(e, a, b, c, d, f2(a, b, c), k4, w2 = left(w2 ^ w15 ^ w10 ^ w4)); Round(d, e, a, b, c, f2(e, a, b), k4, w3 = left(w3 ^ w0 ^ w11 ^ w5)); Round(c, d, e, a, b, f2(d, e, a), k4, w4 = left(w4 ^ w1 ^ w12 ^ w6)); Round(b, c, d, e, a, f2(c, d, e), k4, w5 = left(w5 ^ w2 ^ w13 ^ w7)); Round(a, b, c, d, e, f2(b, c, d), k4, w6 = left(w6 ^ w3 ^ w14 ^ w8)); Round(e, a, b, c, d, f2(a, b, c), k4, w7 = left(w7 ^ w4 ^ w15 ^ w9)); Round(d, e, a, b, c, f2(e, a, b), k4, w8 = left(w8 ^ w5 ^ w0 ^ w10)); Round(c, d, e, a, b, f2(d, e, a), k4, w9 = left(w9 ^ w6 ^ w1 ^ w11)); Round(b, c, d, e, a, f2(c, d, e), k4, w10 = left(w10 ^ w7 ^ w2 ^ w12)); Round(a, b, c, d, e, f2(b, c, d), k4, w11 = left(w11 ^ w8 ^ w3 ^ w13)); Round(e, a, b, c, d, f2(a, b, c), k4, w12 = left(w12 ^ w9 ^ w4 ^ w14)); Round(d, e, a, b, c, f2(e, a, b), k4, left(w13 ^ w10 ^ w5 ^ w15)); Round(c, d, e, a, b, f2(d, e, a), k4, left(w14 ^ w11 ^ w6 ^ w0)); Round(b, c, d, e, a, f2(c, d, e), k4, left(w15 ^ w12 ^ w7 ^ w1)); s[0] += a; s[1] += b; s[2] += c; s[3] += d; s[4] += e; } } // namespace sha1 } // namespace ////// SHA1 CSHA1::CSHA1() : bytes(0) { sha1::Initialize(s); } CSHA1 &CSHA1::Write(const uint8_t *data, size_t len) { const uint8_t *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; sha1::Transform(s, buf); bufsize = 0; } - while (end >= data + 64) { + while (end - data >= 64) { // Process full chunks directly from the source. sha1::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 CSHA1::Finalize(uint8_t hash[OUTPUT_SIZE]) { static const uint8_t pad[64] = {0x80}; uint8_t sizedesc[8]; WriteBE64(sizedesc, bytes << 3); Write(pad, 1 + ((119 - (bytes % 64)) % 64)); Write(sizedesc, 8); WriteBE32(hash, s[0]); WriteBE32(hash + 4, s[1]); WriteBE32(hash + 8, s[2]); WriteBE32(hash + 12, s[3]); WriteBE32(hash + 16, s[4]); } CSHA1 &CSHA1::Reset() { bytes = 0; sha1::Initialize(s); return *this; } diff --git a/src/crypto/sha512.cpp b/src/crypto/sha512.cpp index af26074ad8..f33c3275d8 100644 --- a/src/crypto/sha512.cpp +++ b/src/crypto/sha512.cpp @@ -1,293 +1,293 @@ // Copyright (c) 2014 The Bitcoin Core developers // Distributed under the MIT software license, see the accompanying // file COPYING or http://www.opensource.org/licenses/mit-license.php. #include #include #include // Internal implementation code. namespace { /// Internal SHA-512 implementation. namespace sha512 { inline uint64_t Ch(uint64_t x, uint64_t y, uint64_t z) { return z ^ (x & (y ^ z)); } inline uint64_t Maj(uint64_t x, uint64_t y, uint64_t z) { return (x & y) | (z & (x | y)); } inline uint64_t Sigma0(uint64_t x) { return (x >> 28 | x << 36) ^ (x >> 34 | x << 30) ^ (x >> 39 | x << 25); } inline uint64_t Sigma1(uint64_t x) { return (x >> 14 | x << 50) ^ (x >> 18 | x << 46) ^ (x >> 41 | x << 23); } inline uint64_t sigma0(uint64_t x) { return (x >> 1 | x << 63) ^ (x >> 8 | x << 56) ^ (x >> 7); } inline uint64_t sigma1(uint64_t x) { return (x >> 19 | x << 45) ^ (x >> 61 | x << 3) ^ (x >> 6); } /** One round of SHA-512. */ inline void Round(uint64_t a, uint64_t b, uint64_t c, uint64_t &d, uint64_t e, uint64_t f, uint64_t g, uint64_t &h, uint64_t k, uint64_t w) { uint64_t t1 = h + Sigma1(e) + Ch(e, f, g) + k + w; uint64_t t2 = Sigma0(a) + Maj(a, b, c); d += t1; h = t1 + t2; } /** Initialize SHA-256 state. */ inline void Initialize(uint64_t *s) { s[0] = 0x6a09e667f3bcc908ull; s[1] = 0xbb67ae8584caa73bull; s[2] = 0x3c6ef372fe94f82bull; s[3] = 0xa54ff53a5f1d36f1ull; s[4] = 0x510e527fade682d1ull; s[5] = 0x9b05688c2b3e6c1full; s[6] = 0x1f83d9abfb41bd6bull; s[7] = 0x5be0cd19137e2179ull; } /** Perform one SHA-512 transformation, processing a 128-byte chunk. */ void Transform(uint64_t *s, const uint8_t *chunk) { uint64_t a = s[0], b = s[1], c = s[2], d = s[3], e = s[4], f = s[5], g = s[6], h = s[7]; uint64_t w0, w1, w2, w3, w4, w5, w6, w7, w8, w9, w10, w11, w12, w13, w14, w15; Round(a, b, c, d, e, f, g, h, 0x428a2f98d728ae22ull, w0 = ReadBE64(chunk + 0)); Round(h, a, b, c, d, e, f, g, 0x7137449123ef65cdull, w1 = ReadBE64(chunk + 8)); Round(g, h, a, b, c, d, e, f, 0xb5c0fbcfec4d3b2full, w2 = ReadBE64(chunk + 16)); Round(f, g, h, a, b, c, d, e, 0xe9b5dba58189dbbcull, w3 = ReadBE64(chunk + 24)); Round(e, f, g, h, a, b, c, d, 0x3956c25bf348b538ull, w4 = ReadBE64(chunk + 32)); Round(d, e, f, g, h, a, b, c, 0x59f111f1b605d019ull, w5 = ReadBE64(chunk + 40)); Round(c, d, e, f, g, h, a, b, 0x923f82a4af194f9bull, w6 = ReadBE64(chunk + 48)); Round(b, c, d, e, f, g, h, a, 0xab1c5ed5da6d8118ull, w7 = ReadBE64(chunk + 56)); Round(a, b, c, d, e, f, g, h, 0xd807aa98a3030242ull, w8 = ReadBE64(chunk + 64)); Round(h, a, b, c, d, e, f, g, 0x12835b0145706fbeull, w9 = ReadBE64(chunk + 72)); Round(g, h, a, b, c, d, e, f, 0x243185be4ee4b28cull, w10 = ReadBE64(chunk + 80)); Round(f, g, h, a, b, c, d, e, 0x550c7dc3d5ffb4e2ull, w11 = ReadBE64(chunk + 88)); Round(e, f, g, h, a, b, c, d, 0x72be5d74f27b896full, w12 = ReadBE64(chunk + 96)); Round(d, e, f, g, h, a, b, c, 0x80deb1fe3b1696b1ull, w13 = ReadBE64(chunk + 104)); Round(c, d, e, f, g, h, a, b, 0x9bdc06a725c71235ull, w14 = ReadBE64(chunk + 112)); Round(b, c, d, e, f, g, h, a, 0xc19bf174cf692694ull, w15 = ReadBE64(chunk + 120)); Round(a, b, c, d, e, f, g, h, 0xe49b69c19ef14ad2ull, w0 += sigma1(w14) + w9 + sigma0(w1)); Round(h, a, b, c, d, e, f, g, 0xefbe4786384f25e3ull, w1 += sigma1(w15) + w10 + sigma0(w2)); Round(g, h, a, b, c, d, e, f, 0x0fc19dc68b8cd5b5ull, w2 += sigma1(w0) + w11 + sigma0(w3)); Round(f, g, h, a, b, c, d, e, 0x240ca1cc77ac9c65ull, w3 += sigma1(w1) + w12 + sigma0(w4)); Round(e, f, g, h, a, b, c, d, 0x2de92c6f592b0275ull, w4 += sigma1(w2) + w13 + sigma0(w5)); Round(d, e, f, g, h, a, b, c, 0x4a7484aa6ea6e483ull, w5 += sigma1(w3) + w14 + sigma0(w6)); Round(c, d, e, f, g, h, a, b, 0x5cb0a9dcbd41fbd4ull, w6 += sigma1(w4) + w15 + sigma0(w7)); Round(b, c, d, e, f, g, h, a, 0x76f988da831153b5ull, w7 += sigma1(w5) + w0 + sigma0(w8)); Round(a, b, c, d, e, f, g, h, 0x983e5152ee66dfabull, w8 += sigma1(w6) + w1 + sigma0(w9)); Round(h, a, b, c, d, e, f, g, 0xa831c66d2db43210ull, w9 += sigma1(w7) + w2 + sigma0(w10)); Round(g, h, a, b, c, d, e, f, 0xb00327c898fb213full, w10 += sigma1(w8) + w3 + sigma0(w11)); Round(f, g, h, a, b, c, d, e, 0xbf597fc7beef0ee4ull, w11 += sigma1(w9) + w4 + sigma0(w12)); Round(e, f, g, h, a, b, c, d, 0xc6e00bf33da88fc2ull, w12 += sigma1(w10) + w5 + sigma0(w13)); Round(d, e, f, g, h, a, b, c, 0xd5a79147930aa725ull, w13 += sigma1(w11) + w6 + sigma0(w14)); Round(c, d, e, f, g, h, a, b, 0x06ca6351e003826full, w14 += sigma1(w12) + w7 + sigma0(w15)); Round(b, c, d, e, f, g, h, a, 0x142929670a0e6e70ull, w15 += sigma1(w13) + w8 + sigma0(w0)); Round(a, b, c, d, e, f, g, h, 0x27b70a8546d22ffcull, w0 += sigma1(w14) + w9 + sigma0(w1)); Round(h, a, b, c, d, e, f, g, 0x2e1b21385c26c926ull, w1 += sigma1(w15) + w10 + sigma0(w2)); Round(g, h, a, b, c, d, e, f, 0x4d2c6dfc5ac42aedull, w2 += sigma1(w0) + w11 + sigma0(w3)); Round(f, g, h, a, b, c, d, e, 0x53380d139d95b3dfull, w3 += sigma1(w1) + w12 + sigma0(w4)); Round(e, f, g, h, a, b, c, d, 0x650a73548baf63deull, w4 += sigma1(w2) + w13 + sigma0(w5)); Round(d, e, f, g, h, a, b, c, 0x766a0abb3c77b2a8ull, w5 += sigma1(w3) + w14 + sigma0(w6)); Round(c, d, e, f, g, h, a, b, 0x81c2c92e47edaee6ull, w6 += sigma1(w4) + w15 + sigma0(w7)); Round(b, c, d, e, f, g, h, a, 0x92722c851482353bull, w7 += sigma1(w5) + w0 + sigma0(w8)); Round(a, b, c, d, e, f, g, h, 0xa2bfe8a14cf10364ull, w8 += sigma1(w6) + w1 + sigma0(w9)); Round(h, a, b, c, d, e, f, g, 0xa81a664bbc423001ull, w9 += sigma1(w7) + w2 + sigma0(w10)); Round(g, h, a, b, c, d, e, f, 0xc24b8b70d0f89791ull, w10 += sigma1(w8) + w3 + sigma0(w11)); Round(f, g, h, a, b, c, d, e, 0xc76c51a30654be30ull, w11 += sigma1(w9) + w4 + sigma0(w12)); Round(e, f, g, h, a, b, c, d, 0xd192e819d6ef5218ull, w12 += sigma1(w10) + w5 + sigma0(w13)); Round(d, e, f, g, h, a, b, c, 0xd69906245565a910ull, w13 += sigma1(w11) + w6 + sigma0(w14)); Round(c, d, e, f, g, h, a, b, 0xf40e35855771202aull, w14 += sigma1(w12) + w7 + sigma0(w15)); Round(b, c, d, e, f, g, h, a, 0x106aa07032bbd1b8ull, w15 += sigma1(w13) + w8 + sigma0(w0)); Round(a, b, c, d, e, f, g, h, 0x19a4c116b8d2d0c8ull, w0 += sigma1(w14) + w9 + sigma0(w1)); Round(h, a, b, c, d, e, f, g, 0x1e376c085141ab53ull, w1 += sigma1(w15) + w10 + sigma0(w2)); Round(g, h, a, b, c, d, e, f, 0x2748774cdf8eeb99ull, w2 += sigma1(w0) + w11 + sigma0(w3)); Round(f, g, h, a, b, c, d, e, 0x34b0bcb5e19b48a8ull, w3 += sigma1(w1) + w12 + sigma0(w4)); Round(e, f, g, h, a, b, c, d, 0x391c0cb3c5c95a63ull, w4 += sigma1(w2) + w13 + sigma0(w5)); Round(d, e, f, g, h, a, b, c, 0x4ed8aa4ae3418acbull, w5 += sigma1(w3) + w14 + sigma0(w6)); Round(c, d, e, f, g, h, a, b, 0x5b9cca4f7763e373ull, w6 += sigma1(w4) + w15 + sigma0(w7)); Round(b, c, d, e, f, g, h, a, 0x682e6ff3d6b2b8a3ull, w7 += sigma1(w5) + w0 + sigma0(w8)); Round(a, b, c, d, e, f, g, h, 0x748f82ee5defb2fcull, w8 += sigma1(w6) + w1 + sigma0(w9)); Round(h, a, b, c, d, e, f, g, 0x78a5636f43172f60ull, w9 += sigma1(w7) + w2 + sigma0(w10)); Round(g, h, a, b, c, d, e, f, 0x84c87814a1f0ab72ull, w10 += sigma1(w8) + w3 + sigma0(w11)); Round(f, g, h, a, b, c, d, e, 0x8cc702081a6439ecull, w11 += sigma1(w9) + w4 + sigma0(w12)); Round(e, f, g, h, a, b, c, d, 0x90befffa23631e28ull, w12 += sigma1(w10) + w5 + sigma0(w13)); Round(d, e, f, g, h, a, b, c, 0xa4506cebde82bde9ull, w13 += sigma1(w11) + w6 + sigma0(w14)); Round(c, d, e, f, g, h, a, b, 0xbef9a3f7b2c67915ull, w14 += sigma1(w12) + w7 + sigma0(w15)); Round(b, c, d, e, f, g, h, a, 0xc67178f2e372532bull, w15 += sigma1(w13) + w8 + sigma0(w0)); Round(a, b, c, d, e, f, g, h, 0xca273eceea26619cull, w0 += sigma1(w14) + w9 + sigma0(w1)); Round(h, a, b, c, d, e, f, g, 0xd186b8c721c0c207ull, w1 += sigma1(w15) + w10 + sigma0(w2)); Round(g, h, a, b, c, d, e, f, 0xeada7dd6cde0eb1eull, w2 += sigma1(w0) + w11 + sigma0(w3)); Round(f, g, h, a, b, c, d, e, 0xf57d4f7fee6ed178ull, w3 += sigma1(w1) + w12 + sigma0(w4)); Round(e, f, g, h, a, b, c, d, 0x06f067aa72176fbaull, w4 += sigma1(w2) + w13 + sigma0(w5)); Round(d, e, f, g, h, a, b, c, 0x0a637dc5a2c898a6ull, w5 += sigma1(w3) + w14 + sigma0(w6)); Round(c, d, e, f, g, h, a, b, 0x113f9804bef90daeull, w6 += sigma1(w4) + w15 + sigma0(w7)); Round(b, c, d, e, f, g, h, a, 0x1b710b35131c471bull, w7 += sigma1(w5) + w0 + sigma0(w8)); Round(a, b, c, d, e, f, g, h, 0x28db77f523047d84ull, w8 += sigma1(w6) + w1 + sigma0(w9)); Round(h, a, b, c, d, e, f, g, 0x32caab7b40c72493ull, w9 += sigma1(w7) + w2 + sigma0(w10)); Round(g, h, a, b, c, d, e, f, 0x3c9ebe0a15c9bebcull, w10 += sigma1(w8) + w3 + sigma0(w11)); Round(f, g, h, a, b, c, d, e, 0x431d67c49c100d4cull, w11 += sigma1(w9) + w4 + sigma0(w12)); Round(e, f, g, h, a, b, c, d, 0x4cc5d4becb3e42b6ull, w12 += sigma1(w10) + w5 + sigma0(w13)); Round(d, e, f, g, h, a, b, c, 0x597f299cfc657e2aull, w13 += sigma1(w11) + w6 + sigma0(w14)); Round(c, d, e, f, g, h, a, b, 0x5fcb6fab3ad6faecull, w14 + sigma1(w12) + w7 + sigma0(w15)); Round(b, c, d, e, f, g, h, a, 0x6c44198c4a475817ull, w15 + sigma1(w13) + w8 + sigma0(w0)); s[0] += a; s[1] += b; s[2] += c; s[3] += d; s[4] += e; s[5] += f; s[6] += g; s[7] += h; } } // namespace sha512 } // namespace ////// SHA-512 CSHA512::CSHA512() : bytes(0) { sha512::Initialize(s); } CSHA512 &CSHA512::Write(const uint8_t *data, size_t len) { const uint8_t *end = data + len; size_t bufsize = bytes % 128; if (bufsize && bufsize + len >= 128) { // Fill the buffer, and process it. memcpy(buf + bufsize, data, 128 - bufsize); bytes += 128 - bufsize; data += 128 - bufsize; sha512::Transform(s, buf); bufsize = 0; } - while (end >= data + 128) { + while (end - data >= 128) { // Process full chunks directly from the source. sha512::Transform(s, data); data += 128; bytes += 128; } if (end > data) { // Fill the buffer with what remains. memcpy(buf + bufsize, data, end - data); bytes += end - data; } return *this; } void CSHA512::Finalize(uint8_t hash[OUTPUT_SIZE]) { static const uint8_t pad[128] = {0x80}; uint8_t sizedesc[16] = {0x00}; WriteBE64(sizedesc + 8, bytes << 3); Write(pad, 1 + ((239 - (bytes % 128)) % 128)); Write(sizedesc, 16); WriteBE64(hash, s[0]); WriteBE64(hash + 8, s[1]); WriteBE64(hash + 16, s[2]); WriteBE64(hash + 24, s[3]); WriteBE64(hash + 32, s[4]); WriteBE64(hash + 40, s[5]); WriteBE64(hash + 48, s[6]); WriteBE64(hash + 56, s[7]); } CSHA512 &CSHA512::Reset() { bytes = 0; sha512::Initialize(s); return *this; }