From 13b5dfef64bbb77d583b2acc59e2b33f89645308 Mon Sep 17 00:00:00 2001 From: Pieter Wuille Date: Mon, 28 Apr 2014 12:20:15 +0200 Subject: Move crypto implementations to src/crypto/ --- src/Makefile.am | 8 +- src/crypto/sha1.cpp | 205 +++++++++++++++++++++++ src/crypto/sha1.h | 25 +++ src/crypto/sha2.cpp | 428 ++++++++++++++++++++++++++++++++++++++++++++++++ src/crypto/sha2.h | 54 ++++++ src/hash.h | 2 +- src/key.cpp | 2 +- src/script.cpp | 4 +- src/sha1.cpp | 205 ----------------------- src/sha1.h | 25 --- src/sha2.cpp | 428 ------------------------------------------------ src/sha2.h | 54 ------ src/test/sha1_tests.cpp | 2 +- src/test/sha2_tests.cpp | 2 +- 14 files changed, 722 insertions(+), 722 deletions(-) create mode 100644 src/crypto/sha1.cpp create mode 100644 src/crypto/sha1.h create mode 100644 src/crypto/sha2.cpp create mode 100644 src/crypto/sha2.h delete mode 100644 src/sha1.cpp delete mode 100644 src/sha1.h delete mode 100644 src/sha2.cpp delete mode 100644 src/sha2.h (limited to 'src') diff --git a/src/Makefile.am b/src/Makefile.am index 67b069bde1..bc65119a92 100644 --- a/src/Makefile.am +++ b/src/Makefile.am @@ -75,8 +75,8 @@ BITCOIN_CORE_H = \ rpcserver.h \ script.h \ serialize.h \ - sha2.h \ - sha1.h \ + crypto/sha2.h \ + crypto/sha1.h \ sync.h \ threadsafety.h \ tinyformat.h \ @@ -154,8 +154,8 @@ libbitcoin_common_a_SOURCES = \ protocol.cpp \ rpcprotocol.cpp \ script.cpp \ - sha1.cpp \ - sha2.cpp \ + crypto/sha1.cpp \ + crypto/sha2.cpp \ sync.cpp \ util.cpp \ version.cpp \ diff --git a/src/crypto/sha1.cpp b/src/crypto/sha1.cpp new file mode 100644 index 0000000000..4b2e3e19d1 --- /dev/null +++ b/src/crypto/sha1.cpp @@ -0,0 +1,205 @@ +// 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. + +#include "crypto/sha1.h" + +#include + +// Internal implementation code. +namespace { + +/** Read 4 bytes, and interpret them as a 32-bit unsigned big-endian integer. */ +uint32_t inline ReadBE32(const unsigned char *data) { + return ((uint32_t)data[0] << 24 | (uint32_t)data[1] << 16 | (uint32_t)data[2] << 8 | (uint32_t)data[3]); +} + +/** Write a 32-bit unsigned big-endian integer. */ +void inline WriteBE32(unsigned char *data, uint32_t x) { + data[0] = x >> 24; + data[1] = x >> 16; + data[2] = x >> 8; + data[3] = x; +} + +/// Internal SHA-1 implementation. +namespace sha1 { + +/** One round of SHA-1. */ +void inline 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); +} + +uint32_t inline f1(uint32_t b, uint32_t c, uint32_t d) { return d ^ (b & (c ^ d)); } +uint32_t inline f2(uint32_t b, uint32_t c, uint32_t d) { return b ^ c ^ d; } +uint32_t inline f3(uint32_t b, uint32_t c, uint32_t d) { return (b & c) | (d & (b | c)); } + +uint32_t inline left(uint32_t x) { return (x << 1) | (x >> 31); } + +/** Initialize SHA-1 state. */ +void inline 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 unsigned char *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 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; + sha1::Transform(s, buf); + bufsize = 0; + } + 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(unsigned char *hash) { + static const unsigned char pad[64] = {0x80}; + unsigned char sizedesc[8]; + WriteBE32(sizedesc, bytes >> 29); + WriteBE32(sizedesc+4, 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/sha1.h b/src/crypto/sha1.h new file mode 100644 index 0000000000..6efde78a5b --- /dev/null +++ b/src/crypto/sha1.h @@ -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_SHA1_H +#define BITCOIN_SHA1_H + +#include +#include + +/** A hasher class for SHA1. */ +class CSHA1 { +private: + uint32_t s[5]; + unsigned char buf[64]; + size_t bytes; + +public: + CSHA1(); + CSHA1& Write(const unsigned char *data, size_t len); + void Finalize(unsigned char *hash); + CSHA1& Reset(); +}; + +#endif diff --git a/src/crypto/sha2.cpp b/src/crypto/sha2.cpp new file mode 100644 index 0000000000..0d0c32883f --- /dev/null +++ b/src/crypto/sha2.cpp @@ -0,0 +1,428 @@ +// 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. + +#include "crypto/sha2.h" + +#include + +// Internal implementation code. +namespace { + +/** Read 4 bytes, and interpret them as a 32-bit unsigned big-endian integer. */ +uint32_t inline ReadBE32(const unsigned char *data) { + return ((uint32_t)data[0] << 24 | (uint32_t)data[1] << 16 | (uint32_t)data[2] << 8 | (uint32_t)data[3]); +} + +/** Write a 32-bit unsigned big-endian integer. */ +void inline WriteBE32(unsigned char *data, uint32_t x) { + data[0] = x >> 24; + data[1] = x >> 16; + data[2] = x >> 8; + data[3] = x; +} + +/** Read 8 bytes, and interpret them as a 64-bit unsigned big-endian integer. */ +uint64_t inline ReadBE64(const unsigned char *data) { + return ((uint64_t)data[0] << 56 | (uint64_t)data[1] << 48 | (uint64_t)data[2] << 40 | (uint64_t)data[3] << 32 | + (uint64_t)data[4] << 24 | (uint64_t)data[5] << 16 | (uint64_t)data[6] << 8 | (uint64_t)data[7]); +} + +/** Write a 64-bit unsigned big-endian integer. */ +void inline WriteBE64(unsigned char *data, uint64_t x) { + data[0] = x >> 56; + data[1] = x >> 48; + data[2] = x >> 40; + data[3] = x >> 32; + data[4] = x >> 24; + data[5] = x >> 16; + data[6] = x >> 8; + data[7] = x; +} + +/// Internal SHA-256 implementation. +namespace sha256 { + +uint32_t inline Ch(uint32_t x, uint32_t y, uint32_t z) { return z ^ (x & (y ^ z)); } +uint32_t inline Maj(uint32_t x, uint32_t y, uint32_t z) { return (x & y) | (z & (x | y)); } +uint32_t inline Sigma0(uint32_t x) { return (x >> 2 | x << 30) ^ (x >> 13 | x << 19) ^ (x >> 22 | x << 10); } +uint32_t inline Sigma1(uint32_t x) { return (x >> 6 | x << 26) ^ (x >> 11 | x << 21) ^ (x >> 25 | x << 7); } +uint32_t inline sigma0(uint32_t x) { return (x >> 7 | x << 25) ^ (x >> 18 | x << 14) ^ (x >> 3); } +uint32_t inline sigma1(uint32_t x) { return (x >> 17 | x << 15) ^ (x >> 19 | x << 13) ^ (x >> 10); } + +/** One round of SHA-256. */ +void inline Round(uint32_t a, uint32_t b, uint32_t c, uint32_t &d, + uint32_t e, uint32_t f, uint32_t g, uint32_t &h, + uint32_t k, uint32_t w) { + uint32_t t1 = h + Sigma1(e) + Ch(e, f, g) + k + w; + uint32_t t2 = Sigma0(a) + Maj(a, b, c); + d += t1; + h = t1 + t2; +} + +/** Initialize SHA-256 state. */ +void inline Initialize(uint32_t *s) { + s[0] = 0x6a09e667ul; + s[1] = 0xbb67ae85ul; + s[2] = 0x3c6ef372ul; + s[3] = 0xa54ff53aul; + s[4] = 0x510e527ful; + s[5] = 0x9b05688cul; + s[6] = 0x1f83d9abul; + s[7] = 0x5be0cd19ul; +} + +/** Perform one SHA-256 transformation, processing a 64-byte chunk. */ +void Transform(uint32_t *s, const unsigned char *chunk) { + uint32_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]; + uint32_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, 0x428a2f98, w0 = ReadBE32(chunk + 0)); + Round(h, a, b, c, d, e, f, g, 0x71374491, w1 = ReadBE32(chunk + 4)); + Round(g, h, a, b, c, d, e, f, 0xb5c0fbcf, w2 = ReadBE32(chunk + 8)); + Round(f, g, h, a, b, c, d, e, 0xe9b5dba5, w3 = ReadBE32(chunk + 12)); + Round(e, f, g, h, a, b, c, d, 0x3956c25b, w4 = ReadBE32(chunk + 16)); + Round(d, e, f, g, h, a, b, c, 0x59f111f1, w5 = ReadBE32(chunk + 20)); + Round(c, d, e, f, g, h, a, b, 0x923f82a4, w6 = ReadBE32(chunk + 24)); + Round(b, c, d, e, f, g, h, a, 0xab1c5ed5, w7 = ReadBE32(chunk + 28)); + Round(a, b, c, d, e, f, g, h, 0xd807aa98, w8 = ReadBE32(chunk + 32)); + Round(h, a, b, c, d, e, f, g, 0x12835b01, w9 = ReadBE32(chunk + 36)); + Round(g, h, a, b, c, d, e, f, 0x243185be, w10 = ReadBE32(chunk + 40)); + Round(f, g, h, a, b, c, d, e, 0x550c7dc3, w11 = ReadBE32(chunk + 44)); + Round(e, f, g, h, a, b, c, d, 0x72be5d74, w12 = ReadBE32(chunk + 48)); + Round(d, e, f, g, h, a, b, c, 0x80deb1fe, w13 = ReadBE32(chunk + 52)); + Round(c, d, e, f, g, h, a, b, 0x9bdc06a7, w14 = ReadBE32(chunk + 56)); + Round(b, c, d, e, f, g, h, a, 0xc19bf174, w15 = ReadBE32(chunk + 60)); + + Round(a, b, c, d, e, f, g, h, 0xe49b69c1, w0 += sigma1(w14) + w9 + sigma0( w1)); + Round(h, a, b, c, d, e, f, g, 0xefbe4786, w1 += sigma1(w15) + w10 + sigma0( w2)); + Round(g, h, a, b, c, d, e, f, 0x0fc19dc6, w2 += sigma1( w0) + w11 + sigma0( w3)); + Round(f, g, h, a, b, c, d, e, 0x240ca1cc, w3 += sigma1( w1) + w12 + sigma0( w4)); + Round(e, f, g, h, a, b, c, d, 0x2de92c6f, w4 += sigma1( w2) + w13 + sigma0( w5)); + Round(d, e, f, g, h, a, b, c, 0x4a7484aa, w5 += sigma1( w3) + w14 + sigma0( w6)); + Round(c, d, e, f, g, h, a, b, 0x5cb0a9dc, w6 += sigma1( w4) + w15 + sigma0( w7)); + Round(b, c, d, e, f, g, h, a, 0x76f988da, w7 += sigma1( w5) + w0 + sigma0( w8)); + Round(a, b, c, d, e, f, g, h, 0x983e5152, w8 += sigma1( w6) + w1 + sigma0( w9)); + Round(h, a, b, c, d, e, f, g, 0xa831c66d, w9 += sigma1( w7) + w2 + sigma0(w10)); + Round(g, h, a, b, c, d, e, f, 0xb00327c8, w10 += sigma1( w8) + w3 + sigma0(w11)); + Round(f, g, h, a, b, c, d, e, 0xbf597fc7, w11 += sigma1( w9) + w4 + sigma0(w12)); + Round(e, f, g, h, a, b, c, d, 0xc6e00bf3, w12 += sigma1(w10) + w5 + sigma0(w13)); + Round(d, e, f, g, h, a, b, c, 0xd5a79147, w13 += sigma1(w11) + w6 + sigma0(w14)); + Round(c, d, e, f, g, h, a, b, 0x06ca6351, w14 += sigma1(w12) + w7 + sigma0(w15)); + Round(b, c, d, e, f, g, h, a, 0x14292967, w15 += sigma1(w13) + w8 + sigma0( w0)); + + Round(a, b, c, d, e, f, g, h, 0x27b70a85, w0 += sigma1(w14) + w9 + sigma0( w1)); + Round(h, a, b, c, d, e, f, g, 0x2e1b2138, w1 += sigma1(w15) + w10 + sigma0( w2)); + Round(g, h, a, b, c, d, e, f, 0x4d2c6dfc, w2 += sigma1( w0) + w11 + sigma0( w3)); + Round(f, g, h, a, b, c, d, e, 0x53380d13, w3 += sigma1( w1) + w12 + sigma0( w4)); + Round(e, f, g, h, a, b, c, d, 0x650a7354, w4 += sigma1( w2) + w13 + sigma0( w5)); + Round(d, e, f, g, h, a, b, c, 0x766a0abb, w5 += sigma1( w3) + w14 + sigma0( w6)); + Round(c, d, e, f, g, h, a, b, 0x81c2c92e, w6 += sigma1( w4) + w15 + sigma0( w7)); + Round(b, c, d, e, f, g, h, a, 0x92722c85, w7 += sigma1( w5) + w0 + sigma0( w8)); + Round(a, b, c, d, e, f, g, h, 0xa2bfe8a1, w8 += sigma1( w6) + w1 + sigma0( w9)); + Round(h, a, b, c, d, e, f, g, 0xa81a664b, w9 += sigma1( w7) + w2 + sigma0(w10)); + Round(g, h, a, b, c, d, e, f, 0xc24b8b70, w10 += sigma1( w8) + w3 + sigma0(w11)); + Round(f, g, h, a, b, c, d, e, 0xc76c51a3, w11 += sigma1( w9) + w4 + sigma0(w12)); + Round(e, f, g, h, a, b, c, d, 0xd192e819, w12 += sigma1(w10) + w5 + sigma0(w13)); + Round(d, e, f, g, h, a, b, c, 0xd6990624, w13 += sigma1(w11) + w6 + sigma0(w14)); + Round(c, d, e, f, g, h, a, b, 0xf40e3585, w14 += sigma1(w12) + w7 + sigma0(w15)); + Round(b, c, d, e, f, g, h, a, 0x106aa070, w15 += sigma1(w13) + w8 + sigma0( w0)); + + Round(a, b, c, d, e, f, g, h, 0x19a4c116, w0 += sigma1(w14) + w9 + sigma0( w1)); + Round(h, a, b, c, d, e, f, g, 0x1e376c08, w1 += sigma1(w15) + w10 + sigma0( w2)); + Round(g, h, a, b, c, d, e, f, 0x2748774c, w2 += sigma1( w0) + w11 + sigma0( w3)); + Round(f, g, h, a, b, c, d, e, 0x34b0bcb5, w3 += sigma1( w1) + w12 + sigma0( w4)); + Round(e, f, g, h, a, b, c, d, 0x391c0cb3, w4 += sigma1( w2) + w13 + sigma0( w5)); + Round(d, e, f, g, h, a, b, c, 0x4ed8aa4a, w5 += sigma1( w3) + w14 + sigma0( w6)); + Round(c, d, e, f, g, h, a, b, 0x5b9cca4f, w6 += sigma1( w4) + w15 + sigma0( w7)); + Round(b, c, d, e, f, g, h, a, 0x682e6ff3, w7 += sigma1( w5) + w0 + sigma0( w8)); + Round(a, b, c, d, e, f, g, h, 0x748f82ee, w8 += sigma1( w6) + w1 + sigma0( w9)); + Round(h, a, b, c, d, e, f, g, 0x78a5636f, w9 += sigma1( w7) + w2 + sigma0(w10)); + Round(g, h, a, b, c, d, e, f, 0x84c87814, w10 += sigma1( w8) + w3 + sigma0(w11)); + Round(f, g, h, a, b, c, d, e, 0x8cc70208, w11 += sigma1( w9) + w4 + sigma0(w12)); + Round(e, f, g, h, a, b, c, d, 0x90befffa, w12 += sigma1(w10) + w5 + sigma0(w13)); + Round(d, e, f, g, h, a, b, c, 0xa4506ceb, w13 += sigma1(w11) + w6 + sigma0(w14)); + Round(c, d, e, f, g, h, a, b, 0xbef9a3f7, w14 + sigma1(w12) + w7 + sigma0(w15)); + Round(b, c, d, e, f, g, h, a, 0xc67178f2, 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 sha256 + +/// Internal SHA-512 implementation. +namespace sha512 { + +uint64_t inline Ch(uint64_t x, uint64_t y, uint64_t z) { return z ^ (x & (y ^ z)); } +uint64_t inline Maj(uint64_t x, uint64_t y, uint64_t z) { return (x & y) | (z & (x | y)); } +uint64_t inline Sigma0(uint64_t x) { return (x >> 28 | x << 36) ^ (x >> 34 | x << 30) ^ (x >> 39 | x << 25); } +uint64_t inline Sigma1(uint64_t x) { return (x >> 14 | x << 50) ^ (x >> 18 | x << 46) ^ (x >> 41 | x << 23); } +uint64_t inline sigma0(uint64_t x) { return (x >> 1 | x << 63) ^ (x >> 8 | x << 56) ^ (x >> 7); } +uint64_t inline sigma1(uint64_t x) { return (x >> 19 | x << 45) ^ (x >> 61 | x << 3) ^ (x >> 6); } + +/** One round of SHA-512. */ +void inline 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. */ +void inline 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 unsigned char *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-256 + +CSHA256::CSHA256() : bytes(0) { + sha256::Initialize(s); +} + +CSHA256& CSHA256::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; + sha256::Transform(s, buf); + bufsize = 0; + } + while (end >= data + 64) { + // Process full chunks directly from the source. + sha256::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 CSHA256::Finalize(unsigned char *hash) { + static const unsigned char pad[64] = {0x80}; + unsigned char 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]); + WriteBE32(hash+20, s[5]); + WriteBE32(hash+24, s[6]); + WriteBE32(hash+28, s[7]); +} + +CSHA256& CSHA256::Reset() { + bytes = 0; + sha256::Initialize(s); + return *this; +} + +////// SHA-512 + +CSHA512::CSHA512() : bytes(0) { + sha512::Initialize(s); +} + +CSHA512& CSHA512::Write(const unsigned char *data, size_t len) { + const unsigned char *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) { + // 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(unsigned char *hash) { + static const unsigned char pad[128] = {0x80}; + unsigned char 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; +} + +////// HMAC-SHA-512 + +CHMAC_SHA512::CHMAC_SHA512(const unsigned char *key, size_t keylen) { + unsigned char rkey[128]; + if (keylen <= 128) { + memcpy(rkey, key, keylen); + memset(rkey + keylen, 0, 128 - keylen); + } else { + CSHA512().Write(key, keylen).Finalize(rkey); + memset(rkey + 64, 0, 64); + } + + for (int n=0; n<128; n++) + rkey[n] ^= 0x5c; + outer.Write(rkey, 128); + + for (int n=0; n<128; n++) + rkey[n] ^= 0x5c ^ 0x36; + inner.Write(rkey, 128); +} + +void CHMAC_SHA512::Finalize(unsigned char *hash) { + unsigned char temp[64]; + inner.Finalize(temp); + outer.Write(temp, 64).Finalize(hash); +} diff --git a/src/crypto/sha2.h b/src/crypto/sha2.h new file mode 100644 index 0000000000..001bfc647c --- /dev/null +++ b/src/crypto/sha2.h @@ -0,0 +1,54 @@ +// 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_SHA2_H +#define BITCOIN_SHA2_H + +#include +#include + +/** A hasher class for SHA-256. */ +class CSHA256 { +private: + uint32_t s[8]; + unsigned char buf[64]; + size_t bytes; + +public: + CSHA256(); + CSHA256& Write(const unsigned char *data, size_t len); + void Finalize(unsigned char *hash); + CSHA256& Reset(); +}; + +/** A hasher class for SHA-512. */ +class CSHA512 { +private: + uint64_t s[8]; + unsigned char buf[128]; + size_t bytes; + +public: + CSHA512(); + CSHA512& Write(const unsigned char *data, size_t len); + void Finalize(unsigned char *hash); + CSHA512& Reset(); +}; + +/** A hasher class for HMAC-SHA-512. */ +class CHMAC_SHA512 { +private: + CSHA512 outer; + CSHA512 inner; + +public: + CHMAC_SHA512(const unsigned char *key, size_t keylen); + CHMAC_SHA512& Write(const unsigned char *data, size_t len) { + inner.Write(data, len); + return *this; + } + void Finalize(unsigned char *hash); +}; + +#endif diff --git a/src/hash.h b/src/hash.h index 9e7a67550f..318399c334 100644 --- a/src/hash.h +++ b/src/hash.h @@ -6,7 +6,7 @@ #ifndef BITCOIN_HASH_H #define BITCOIN_HASH_H -#include "sha2.h" +#include "crypto/sha2.h" #include "serialize.h" #include "uint256.h" #include "version.h" diff --git a/src/key.cpp b/src/key.cpp index 0685948922..96b1ac439c 100644 --- a/src/key.cpp +++ b/src/key.cpp @@ -4,7 +4,7 @@ #include "key.h" -#include "sha2.h" +#include "crypto/sha2.h" #include #include diff --git a/src/script.cpp b/src/script.cpp index facf3044d6..c6574a6ee8 100644 --- a/src/script.cpp +++ b/src/script.cpp @@ -9,8 +9,8 @@ #include "hash.h" #include "key.h" #include "keystore.h" -#include "sha1.h" -#include "sha2.h" +#include "crypto/sha1.h" +#include "crypto/sha2.h" #include "sync.h" #include "uint256.h" #include "util.h" diff --git a/src/sha1.cpp b/src/sha1.cpp deleted file mode 100644 index 0a70077544..0000000000 --- a/src/sha1.cpp +++ /dev/null @@ -1,205 +0,0 @@ -// 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. - -#include "sha1.h" - -#include - -// Internal implementation code. -namespace { - -/** Read 4 bytes, and interpret them as a 32-bit unsigned big-endian integer. */ -uint32_t inline ReadBE32(const unsigned char *data) { - return ((uint32_t)data[0] << 24 | (uint32_t)data[1] << 16 | (uint32_t)data[2] << 8 | (uint32_t)data[3]); -} - -/** Write a 32-bit unsigned big-endian integer. */ -void inline WriteBE32(unsigned char *data, uint32_t x) { - data[0] = x >> 24; - data[1] = x >> 16; - data[2] = x >> 8; - data[3] = x; -} - -/// Internal SHA-1 implementation. -namespace sha1 { - -/** One round of SHA-1. */ -void inline 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); -} - -uint32_t inline f1(uint32_t b, uint32_t c, uint32_t d) { return d ^ (b & (c ^ d)); } -uint32_t inline f2(uint32_t b, uint32_t c, uint32_t d) { return b ^ c ^ d; } -uint32_t inline f3(uint32_t b, uint32_t c, uint32_t d) { return (b & c) | (d & (b | c)); } - -uint32_t inline left(uint32_t x) { return (x << 1) | (x >> 31); } - -/** Initialize SHA-1 state. */ -void inline 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 unsigned char *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 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; - sha1::Transform(s, buf); - bufsize = 0; - } - 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(unsigned char *hash) { - static const unsigned char pad[64] = {0x80}; - unsigned char sizedesc[8]; - WriteBE32(sizedesc, bytes >> 29); - WriteBE32(sizedesc+4, 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/sha1.h b/src/sha1.h deleted file mode 100644 index 6efde78a5b..0000000000 --- a/src/sha1.h +++ /dev/null @@ -1,25 +0,0 @@ -// 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_SHA1_H -#define BITCOIN_SHA1_H - -#include -#include - -/** A hasher class for SHA1. */ -class CSHA1 { -private: - uint32_t s[5]; - unsigned char buf[64]; - size_t bytes; - -public: - CSHA1(); - CSHA1& Write(const unsigned char *data, size_t len); - void Finalize(unsigned char *hash); - CSHA1& Reset(); -}; - -#endif diff --git a/src/sha2.cpp b/src/sha2.cpp deleted file mode 100644 index c9beaf220b..0000000000 --- a/src/sha2.cpp +++ /dev/null @@ -1,428 +0,0 @@ -// 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. - -#include "sha2.h" - -#include - -// Internal implementation code. -namespace { - -/** Read 4 bytes, and interpret them as a 32-bit unsigned big-endian integer. */ -uint32_t inline ReadBE32(const unsigned char *data) { - return ((uint32_t)data[0] << 24 | (uint32_t)data[1] << 16 | (uint32_t)data[2] << 8 | (uint32_t)data[3]); -} - -/** Write a 32-bit unsigned big-endian integer. */ -void inline WriteBE32(unsigned char *data, uint32_t x) { - data[0] = x >> 24; - data[1] = x >> 16; - data[2] = x >> 8; - data[3] = x; -} - -/** Read 8 bytes, and interpret them as a 64-bit unsigned big-endian integer. */ -uint64_t inline ReadBE64(const unsigned char *data) { - return ((uint64_t)data[0] << 56 | (uint64_t)data[1] << 48 | (uint64_t)data[2] << 40 | (uint64_t)data[3] << 32 | - (uint64_t)data[4] << 24 | (uint64_t)data[5] << 16 | (uint64_t)data[6] << 8 | (uint64_t)data[7]); -} - -/** Write a 64-bit unsigned big-endian integer. */ -void inline WriteBE64(unsigned char *data, uint64_t x) { - data[0] = x >> 56; - data[1] = x >> 48; - data[2] = x >> 40; - data[3] = x >> 32; - data[4] = x >> 24; - data[5] = x >> 16; - data[6] = x >> 8; - data[7] = x; -} - -/// Internal SHA-256 implementation. -namespace sha256 { - -uint32_t inline Ch(uint32_t x, uint32_t y, uint32_t z) { return z ^ (x & (y ^ z)); } -uint32_t inline Maj(uint32_t x, uint32_t y, uint32_t z) { return (x & y) | (z & (x | y)); } -uint32_t inline Sigma0(uint32_t x) { return (x >> 2 | x << 30) ^ (x >> 13 | x << 19) ^ (x >> 22 | x << 10); } -uint32_t inline Sigma1(uint32_t x) { return (x >> 6 | x << 26) ^ (x >> 11 | x << 21) ^ (x >> 25 | x << 7); } -uint32_t inline sigma0(uint32_t x) { return (x >> 7 | x << 25) ^ (x >> 18 | x << 14) ^ (x >> 3); } -uint32_t inline sigma1(uint32_t x) { return (x >> 17 | x << 15) ^ (x >> 19 | x << 13) ^ (x >> 10); } - -/** One round of SHA-256. */ -void inline Round(uint32_t a, uint32_t b, uint32_t c, uint32_t &d, - uint32_t e, uint32_t f, uint32_t g, uint32_t &h, - uint32_t k, uint32_t w) { - uint32_t t1 = h + Sigma1(e) + Ch(e, f, g) + k + w; - uint32_t t2 = Sigma0(a) + Maj(a, b, c); - d += t1; - h = t1 + t2; -} - -/** Initialize SHA-256 state. */ -void inline Initialize(uint32_t *s) { - s[0] = 0x6a09e667ul; - s[1] = 0xbb67ae85ul; - s[2] = 0x3c6ef372ul; - s[3] = 0xa54ff53aul; - s[4] = 0x510e527ful; - s[5] = 0x9b05688cul; - s[6] = 0x1f83d9abul; - s[7] = 0x5be0cd19ul; -} - -/** Perform one SHA-256 transformation, processing a 64-byte chunk. */ -void Transform(uint32_t *s, const unsigned char *chunk) { - uint32_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]; - uint32_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, 0x428a2f98, w0 = ReadBE32(chunk + 0)); - Round(h, a, b, c, d, e, f, g, 0x71374491, w1 = ReadBE32(chunk + 4)); - Round(g, h, a, b, c, d, e, f, 0xb5c0fbcf, w2 = ReadBE32(chunk + 8)); - Round(f, g, h, a, b, c, d, e, 0xe9b5dba5, w3 = ReadBE32(chunk + 12)); - Round(e, f, g, h, a, b, c, d, 0x3956c25b, w4 = ReadBE32(chunk + 16)); - Round(d, e, f, g, h, a, b, c, 0x59f111f1, w5 = ReadBE32(chunk + 20)); - Round(c, d, e, f, g, h, a, b, 0x923f82a4, w6 = ReadBE32(chunk + 24)); - Round(b, c, d, e, f, g, h, a, 0xab1c5ed5, w7 = ReadBE32(chunk + 28)); - Round(a, b, c, d, e, f, g, h, 0xd807aa98, w8 = ReadBE32(chunk + 32)); - Round(h, a, b, c, d, e, f, g, 0x12835b01, w9 = ReadBE32(chunk + 36)); - Round(g, h, a, b, c, d, e, f, 0x243185be, w10 = ReadBE32(chunk + 40)); - Round(f, g, h, a, b, c, d, e, 0x550c7dc3, w11 = ReadBE32(chunk + 44)); - Round(e, f, g, h, a, b, c, d, 0x72be5d74, w12 = ReadBE32(chunk + 48)); - Round(d, e, f, g, h, a, b, c, 0x80deb1fe, w13 = ReadBE32(chunk + 52)); - Round(c, d, e, f, g, h, a, b, 0x9bdc06a7, w14 = ReadBE32(chunk + 56)); - Round(b, c, d, e, f, g, h, a, 0xc19bf174, w15 = ReadBE32(chunk + 60)); - - Round(a, b, c, d, e, f, g, h, 0xe49b69c1, w0 += sigma1(w14) + w9 + sigma0( w1)); - Round(h, a, b, c, d, e, f, g, 0xefbe4786, w1 += sigma1(w15) + w10 + sigma0( w2)); - Round(g, h, a, b, c, d, e, f, 0x0fc19dc6, w2 += sigma1( w0) + w11 + sigma0( w3)); - Round(f, g, h, a, b, c, d, e, 0x240ca1cc, w3 += sigma1( w1) + w12 + sigma0( w4)); - Round(e, f, g, h, a, b, c, d, 0x2de92c6f, w4 += sigma1( w2) + w13 + sigma0( w5)); - Round(d, e, f, g, h, a, b, c, 0x4a7484aa, w5 += sigma1( w3) + w14 + sigma0( w6)); - Round(c, d, e, f, g, h, a, b, 0x5cb0a9dc, w6 += sigma1( w4) + w15 + sigma0( w7)); - Round(b, c, d, e, f, g, h, a, 0x76f988da, w7 += sigma1( w5) + w0 + sigma0( w8)); - Round(a, b, c, d, e, f, g, h, 0x983e5152, w8 += sigma1( w6) + w1 + sigma0( w9)); - Round(h, a, b, c, d, e, f, g, 0xa831c66d, w9 += sigma1( w7) + w2 + sigma0(w10)); - Round(g, h, a, b, c, d, e, f, 0xb00327c8, w10 += sigma1( w8) + w3 + sigma0(w11)); - Round(f, g, h, a, b, c, d, e, 0xbf597fc7, w11 += sigma1( w9) + w4 + sigma0(w12)); - Round(e, f, g, h, a, b, c, d, 0xc6e00bf3, w12 += sigma1(w10) + w5 + sigma0(w13)); - Round(d, e, f, g, h, a, b, c, 0xd5a79147, w13 += sigma1(w11) + w6 + sigma0(w14)); - Round(c, d, e, f, g, h, a, b, 0x06ca6351, w14 += sigma1(w12) + w7 + sigma0(w15)); - Round(b, c, d, e, f, g, h, a, 0x14292967, w15 += sigma1(w13) + w8 + sigma0( w0)); - - Round(a, b, c, d, e, f, g, h, 0x27b70a85, w0 += sigma1(w14) + w9 + sigma0( w1)); - Round(h, a, b, c, d, e, f, g, 0x2e1b2138, w1 += sigma1(w15) + w10 + sigma0( w2)); - Round(g, h, a, b, c, d, e, f, 0x4d2c6dfc, w2 += sigma1( w0) + w11 + sigma0( w3)); - Round(f, g, h, a, b, c, d, e, 0x53380d13, w3 += sigma1( w1) + w12 + sigma0( w4)); - Round(e, f, g, h, a, b, c, d, 0x650a7354, w4 += sigma1( w2) + w13 + sigma0( w5)); - Round(d, e, f, g, h, a, b, c, 0x766a0abb, w5 += sigma1( w3) + w14 + sigma0( w6)); - Round(c, d, e, f, g, h, a, b, 0x81c2c92e, w6 += sigma1( w4) + w15 + sigma0( w7)); - Round(b, c, d, e, f, g, h, a, 0x92722c85, w7 += sigma1( w5) + w0 + sigma0( w8)); - Round(a, b, c, d, e, f, g, h, 0xa2bfe8a1, w8 += sigma1( w6) + w1 + sigma0( w9)); - Round(h, a, b, c, d, e, f, g, 0xa81a664b, w9 += sigma1( w7) + w2 + sigma0(w10)); - Round(g, h, a, b, c, d, e, f, 0xc24b8b70, w10 += sigma1( w8) + w3 + sigma0(w11)); - Round(f, g, h, a, b, c, d, e, 0xc76c51a3, w11 += sigma1( w9) + w4 + sigma0(w12)); - Round(e, f, g, h, a, b, c, d, 0xd192e819, w12 += sigma1(w10) + w5 + sigma0(w13)); - Round(d, e, f, g, h, a, b, c, 0xd6990624, w13 += sigma1(w11) + w6 + sigma0(w14)); - Round(c, d, e, f, g, h, a, b, 0xf40e3585, w14 += sigma1(w12) + w7 + sigma0(w15)); - Round(b, c, d, e, f, g, h, a, 0x106aa070, w15 += sigma1(w13) + w8 + sigma0( w0)); - - Round(a, b, c, d, e, f, g, h, 0x19a4c116, w0 += sigma1(w14) + w9 + sigma0( w1)); - Round(h, a, b, c, d, e, f, g, 0x1e376c08, w1 += sigma1(w15) + w10 + sigma0( w2)); - Round(g, h, a, b, c, d, e, f, 0x2748774c, w2 += sigma1( w0) + w11 + sigma0( w3)); - Round(f, g, h, a, b, c, d, e, 0x34b0bcb5, w3 += sigma1( w1) + w12 + sigma0( w4)); - Round(e, f, g, h, a, b, c, d, 0x391c0cb3, w4 += sigma1( w2) + w13 + sigma0( w5)); - Round(d, e, f, g, h, a, b, c, 0x4ed8aa4a, w5 += sigma1( w3) + w14 + sigma0( w6)); - Round(c, d, e, f, g, h, a, b, 0x5b9cca4f, w6 += sigma1( w4) + w15 + sigma0( w7)); - Round(b, c, d, e, f, g, h, a, 0x682e6ff3, w7 += sigma1( w5) + w0 + sigma0( w8)); - Round(a, b, c, d, e, f, g, h, 0x748f82ee, w8 += sigma1( w6) + w1 + sigma0( w9)); - Round(h, a, b, c, d, e, f, g, 0x78a5636f, w9 += sigma1( w7) + w2 + sigma0(w10)); - Round(g, h, a, b, c, d, e, f, 0x84c87814, w10 += sigma1( w8) + w3 + sigma0(w11)); - Round(f, g, h, a, b, c, d, e, 0x8cc70208, w11 += sigma1( w9) + w4 + sigma0(w12)); - Round(e, f, g, h, a, b, c, d, 0x90befffa, w12 += sigma1(w10) + w5 + sigma0(w13)); - Round(d, e, f, g, h, a, b, c, 0xa4506ceb, w13 += sigma1(w11) + w6 + sigma0(w14)); - Round(c, d, e, f, g, h, a, b, 0xbef9a3f7, w14 + sigma1(w12) + w7 + sigma0(w15)); - Round(b, c, d, e, f, g, h, a, 0xc67178f2, 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 sha256 - -/// Internal SHA-512 implementation. -namespace sha512 { - -uint64_t inline Ch(uint64_t x, uint64_t y, uint64_t z) { return z ^ (x & (y ^ z)); } -uint64_t inline Maj(uint64_t x, uint64_t y, uint64_t z) { return (x & y) | (z & (x | y)); } -uint64_t inline Sigma0(uint64_t x) { return (x >> 28 | x << 36) ^ (x >> 34 | x << 30) ^ (x >> 39 | x << 25); } -uint64_t inline Sigma1(uint64_t x) { return (x >> 14 | x << 50) ^ (x >> 18 | x << 46) ^ (x >> 41 | x << 23); } -uint64_t inline sigma0(uint64_t x) { return (x >> 1 | x << 63) ^ (x >> 8 | x << 56) ^ (x >> 7); } -uint64_t inline sigma1(uint64_t x) { return (x >> 19 | x << 45) ^ (x >> 61 | x << 3) ^ (x >> 6); } - -/** One round of SHA-512. */ -void inline 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. */ -void inline 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 unsigned char *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-256 - -CSHA256::CSHA256() : bytes(0) { - sha256::Initialize(s); -} - -CSHA256& CSHA256::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; - sha256::Transform(s, buf); - bufsize = 0; - } - while (end >= data + 64) { - // Process full chunks directly from the source. - sha256::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 CSHA256::Finalize(unsigned char *hash) { - static const unsigned char pad[64] = {0x80}; - unsigned char 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]); - WriteBE32(hash+20, s[5]); - WriteBE32(hash+24, s[6]); - WriteBE32(hash+28, s[7]); -} - -CSHA256& CSHA256::Reset() { - bytes = 0; - sha256::Initialize(s); - return *this; -} - -////// SHA-512 - -CSHA512::CSHA512() : bytes(0) { - sha512::Initialize(s); -} - -CSHA512& CSHA512::Write(const unsigned char *data, size_t len) { - const unsigned char *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) { - // 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(unsigned char *hash) { - static const unsigned char pad[128] = {0x80}; - unsigned char 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; -} - -////// HMAC-SHA-512 - -CHMAC_SHA512::CHMAC_SHA512(const unsigned char *key, size_t keylen) { - unsigned char rkey[128]; - if (keylen <= 128) { - memcpy(rkey, key, keylen); - memset(rkey + keylen, 0, 128 - keylen); - } else { - CSHA512().Write(key, keylen).Finalize(rkey); - memset(rkey + 64, 0, 64); - } - - for (int n=0; n<128; n++) - rkey[n] ^= 0x5c; - outer.Write(rkey, 128); - - for (int n=0; n<128; n++) - rkey[n] ^= 0x5c ^ 0x36; - inner.Write(rkey, 128); -} - -void CHMAC_SHA512::Finalize(unsigned char *hash) { - unsigned char temp[64]; - inner.Finalize(temp); - outer.Write(temp, 64).Finalize(hash); -} diff --git a/src/sha2.h b/src/sha2.h deleted file mode 100644 index 001bfc647c..0000000000 --- a/src/sha2.h +++ /dev/null @@ -1,54 +0,0 @@ -// 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_SHA2_H -#define BITCOIN_SHA2_H - -#include -#include - -/** A hasher class for SHA-256. */ -class CSHA256 { -private: - uint32_t s[8]; - unsigned char buf[64]; - size_t bytes; - -public: - CSHA256(); - CSHA256& Write(const unsigned char *data, size_t len); - void Finalize(unsigned char *hash); - CSHA256& Reset(); -}; - -/** A hasher class for SHA-512. */ -class CSHA512 { -private: - uint64_t s[8]; - unsigned char buf[128]; - size_t bytes; - -public: - CSHA512(); - CSHA512& Write(const unsigned char *data, size_t len); - void Finalize(unsigned char *hash); - CSHA512& Reset(); -}; - -/** A hasher class for HMAC-SHA-512. */ -class CHMAC_SHA512 { -private: - CSHA512 outer; - CSHA512 inner; - -public: - CHMAC_SHA512(const unsigned char *key, size_t keylen); - CHMAC_SHA512& Write(const unsigned char *data, size_t len) { - inner.Write(data, len); - return *this; - } - void Finalize(unsigned char *hash); -}; - -#endif diff --git a/src/test/sha1_tests.cpp b/src/test/sha1_tests.cpp index bae17c5d4a..88f2da0bbb 100644 --- a/src/test/sha1_tests.cpp +++ b/src/test/sha1_tests.cpp @@ -2,7 +2,7 @@ // Distributed under the MIT/X11 software license, see the accompanying // file COPYING or http://www.opensource.org/licenses/mit-license.php. -#include "sha1.h" +#include "crypto/sha1.h" #include "util.h" #include diff --git a/src/test/sha2_tests.cpp b/src/test/sha2_tests.cpp index 516b942ad3..1e48c973cf 100644 --- a/src/test/sha2_tests.cpp +++ b/src/test/sha2_tests.cpp @@ -2,7 +2,7 @@ // Distributed under the MIT/X11 software license, see the accompanying // file COPYING or http://www.opensource.org/licenses/mit-license.php. -#include "sha2.h" +#include "crypto/sha2.h" #include "util.h" #include -- cgit v1.2.3