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-rw-r--r--src/crypto/common.h93
-rw-r--r--src/crypto/ripemd160.cpp204
-rw-r--r--src/crypto/ripemd160.h27
-rw-r--r--src/crypto/sha1.cpp192
-rw-r--r--src/crypto/sha1.h27
-rw-r--r--src/crypto/sha2.cpp398
-rw-r--r--src/crypto/sha2.h60
7 files changed, 1001 insertions, 0 deletions
diff --git a/src/crypto/common.h b/src/crypto/common.h
new file mode 100644
index 0000000000..8f675a16c5
--- /dev/null
+++ b/src/crypto/common.h
@@ -0,0 +1,93 @@
+// 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_CRYPTO_COMMON_H
+#define BITCOIN_CRYPTO_COMMON_H
+
+#if defined(HAVE_CONFIG_H)
+#include "bitcoin-config.h"
+#endif
+#include <stdint.h>
+#if defined(HAVE_ENDIAN_H)
+#include <endian.h>
+#endif
+
+uint32_t static inline ReadLE32(const unsigned char *ptr) {
+#if HAVE_DECL_LE32TOH == 1
+ return le32toh(*((uint32_t*)ptr));
+#elif !defined(WORDS_BIGENDIAN)
+ return *((uint32_t*)ptr);
+#else
+ return ((uint32_t)ptr[3] << 24 | (uint32_t)ptr[2] << 16 | (uint32_t)ptr[1] << 8 | (uint32_t)ptr[0]);
+#endif
+}
+
+uint64_t static inline ReadLE64(const unsigned char *ptr) {
+
+#if HAVE_DECL_LE64TOH == 1
+ return le64toh(*((uint64_t*)ptr));
+#elif !defined(WORDS_BIGENDIAN)
+ return *((uint64_t*)ptr);
+#else
+ return ((uint64_t)ptr[7] << 56 | (uint64_t)ptr[6] << 48 | (uint64_t)ptr[5] << 40 | (uint64_t)ptr[4] << 32 |
+ (uint64_t)ptr[3] << 24 | (uint64_t)ptr[2] << 16 | (uint64_t)ptr[1] << 8 | (uint64_t)ptr[0]);
+#endif
+}
+
+void static inline WriteLE32(unsigned char *ptr, uint32_t x) {
+#if HAVE_DECL_HTOLE32 == 1
+ *((uint32_t*)ptr) = htole32(x);
+#elif !defined(WORDS_BIGENDIAN)
+ *((uint32_t*)ptr) = x;
+#else
+ ptr[3] = x >> 24; ptr[2] = x >> 16; ptr[1] = x >> 8; ptr[0] = x;
+#endif
+}
+
+void static inline WriteLE64(unsigned char *ptr, uint64_t x) {
+#if HAVE_DECL_HTOLE64 == 1
+ *((uint64_t*)ptr) = htole64(x);
+#elif !defined(WORDS_BIGENDIAN)
+ *((uint64_t*)ptr) = x;
+#else
+ ptr[7] = x >> 56; ptr[6] = x >> 48; ptr[5] = x >> 40; ptr[4] = x >> 32;
+ ptr[3] = x >> 24; ptr[2] = x >> 16; ptr[1] = x >> 8; ptr[0] = x;
+#endif
+}
+
+uint32_t static inline ReadBE32(const unsigned char *ptr) {
+#if HAVE_DECL_BE32TOH == 1
+ return be32toh(*((uint32_t*)ptr));
+#else
+ return ((uint32_t)ptr[0] << 24 | (uint32_t)ptr[1] << 16 | (uint32_t)ptr[2] << 8 | (uint32_t)ptr[3]);
+#endif
+}
+
+uint64_t static inline ReadBE64(const unsigned char *ptr) {
+#if HAVE_DECL_BE64TOH == 1
+ return be64toh(*((uint64_t*)ptr));
+#else
+ return ((uint64_t)ptr[0] << 56 | (uint64_t)ptr[1] << 48 | (uint64_t)ptr[2] << 40 | (uint64_t)ptr[3] << 32 |
+ (uint64_t)ptr[4] << 24 | (uint64_t)ptr[5] << 16 | (uint64_t)ptr[6] << 8 | (uint64_t)ptr[7]);
+#endif
+}
+
+void static inline WriteBE32(unsigned char *ptr, uint32_t x) {
+#if HAVE_DECL_HTOBE32 == 1
+ *((uint32_t*)ptr) = htobe32(x);
+#else
+ ptr[0] = x >> 24; ptr[1] = x >> 16; ptr[2] = x >> 8; ptr[3] = x;
+#endif
+}
+
+void static inline WriteBE64(unsigned char *ptr, uint64_t x) {
+#if HAVE_DECL_HTOBE64 == 1
+ *((uint64_t*)ptr) = htobe64(x);
+#else
+ ptr[0] = x >> 56; ptr[1] = x >> 48; ptr[2] = x >> 40; ptr[3] = x >> 32;
+ ptr[4] = x >> 24; ptr[5] = x >> 16; ptr[6] = x >> 8; ptr[7] = x;
+#endif
+}
+
+#endif
diff --git a/src/crypto/ripemd160.cpp b/src/crypto/ripemd160.cpp
new file mode 100644
index 0000000000..24bd318d43
--- /dev/null
+++ b/src/crypto/ripemd160.cpp
@@ -0,0 +1,204 @@
+// 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/ripemd160.h"
+
+#include "crypto/common.h"
+#include <string.h>
+
+// Internal implementation code.
+namespace {
+
+/// Internal RIPEMD-160 implementation.
+namespace ripemd160 {
+
+uint32_t inline f1(uint32_t x, uint32_t y, uint32_t z) { return x ^ y ^ z; }
+uint32_t inline f2(uint32_t x, uint32_t y, uint32_t z) { return (x & y) | (~x & z); }
+uint32_t inline f3(uint32_t x, uint32_t y, uint32_t z) { return (x | ~y) ^ z; }
+uint32_t inline f4(uint32_t x, uint32_t y, uint32_t z) { return (x & z) | (y & ~z); }
+uint32_t inline f5(uint32_t x, uint32_t y, uint32_t z) { return x ^ (y | ~z); }
+
+/** Initialize RIPEMD-160 state. */
+void inline Initialize(uint32_t *s) {
+ s[0] = 0x67452301ul;
+ s[1] = 0xEFCDAB89ul;
+ s[2] = 0x98BADCFEul;
+ s[3] = 0x10325476ul;
+ s[4] = 0xC3D2E1F0ul;
+}
+
+uint32_t inline rol(uint32_t x, int i) { return (x << i) | (x >> (32-i)); }
+
+void inline Round(uint32_t &a, uint32_t b, uint32_t &c, uint32_t d, uint32_t e, uint32_t f, uint32_t x, uint32_t k, int r) {
+ a = rol(a + f + x + k, r) + e;
+ c = rol(c, 10);
+}
+
+void inline R11(uint32_t &a, uint32_t b, uint32_t &c, uint32_t d, uint32_t e, uint32_t x, int r) { Round(a, b, c, d, e, f1(b, c, d), x, 0, r); }
+void inline R21(uint32_t &a, uint32_t b, uint32_t &c, uint32_t d, uint32_t e, uint32_t x, int r) { Round(a, b, c, d, e, f2(b, c, d), x, 0x5A827999ul, r); }
+void inline R31(uint32_t &a, uint32_t b, uint32_t &c, uint32_t d, uint32_t e, uint32_t x, int r) { Round(a, b, c, d, e, f3(b, c, d), x, 0x6ED9EBA1ul, r); }
+void inline R41(uint32_t &a, uint32_t b, uint32_t &c, uint32_t d, uint32_t e, uint32_t x, int r) { Round(a, b, c, d, e, f4(b, c, d), x, 0x8F1BBCDCul, r); }
+void inline R51(uint32_t &a, uint32_t b, uint32_t &c, uint32_t d, uint32_t e, uint32_t x, int r) { Round(a, b, c, d, e, f5(b, c, d), x, 0xA953FD4Eul, r); }
+
+void inline R12(uint32_t &a, uint32_t b, uint32_t &c, uint32_t d, uint32_t e, uint32_t x, int r) { Round(a, b, c, d, e, f5(b, c, d), x, 0x50A28BE6ul, r); }
+void inline R22(uint32_t &a, uint32_t b, uint32_t &c, uint32_t d, uint32_t e, uint32_t x, int r) { Round(a, b, c, d, e, f4(b, c, d), x, 0x5C4DD124ul, r); }
+void inline R32(uint32_t &a, uint32_t b, uint32_t &c, uint32_t d, uint32_t e, uint32_t x, int r) { Round(a, b, c, d, e, f3(b, c, d), x, 0x6D703EF3ul, r); }
+void inline R42(uint32_t &a, uint32_t b, uint32_t &c, uint32_t d, uint32_t e, uint32_t x, int r) { Round(a, b, c, d, e, f2(b, c, d), x, 0x7A6D76E9ul, r); }
+void inline R52(uint32_t &a, uint32_t b, uint32_t &c, uint32_t d, uint32_t e, uint32_t x, int r) { Round(a, b, c, d, e, f1(b, c, d), x, 0, r); }
+
+/** Perform a RIPEMD-160 transformation, processing a 64-byte chunk. */
+void Transform(uint32_t *s, const unsigned char *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 unsigned char *data, size_t len) {
+ const unsigned char *end = data + len;
+ size_t bufsize = bytes % 64;
+ if (bufsize && bufsize + len >= 64) {
+ // Fill the buffer, and process it.
+ memcpy(buf + bufsize, data, 64 - bufsize);
+ bytes += 64 - bufsize;
+ data += 64 - bufsize;
+ ripemd160::Transform(s, buf);
+ bufsize = 0;
+ }
+ while (end >= data + 64) {
+ // Process full chunks directly from the source.
+ ripemd160::Transform(s, data);
+ bytes += 64;
+ data += 64;
+ }
+ if (end > data) {
+ // Fill the buffer with what remains.
+ memcpy(buf + bufsize, data, end - data);
+ bytes += end - data;
+ }
+ return *this;
+}
+
+void CRIPEMD160::Finalize(unsigned char hash[OUTPUT_SIZE]) {
+ static const unsigned char pad[64] = {0x80};
+ unsigned char 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/ripemd160.h b/src/crypto/ripemd160.h
new file mode 100644
index 0000000000..44bd4879a5
--- /dev/null
+++ b/src/crypto/ripemd160.h
@@ -0,0 +1,27 @@
+// Copyright (c) 2014 The Bitcoin developers
+// Distributed under the MIT/X11 software license, see the accompanying
+// file COPYING or http://www.opensource.org/licenses/mit-license.php.
+
+#ifndef BITCOIN_RIPEMD160_H
+#define BITCOIN_RIPEMD160_H
+
+#include <stdint.h>
+#include <stdlib.h>
+
+/** A hasher class for RIPEMD-160. */
+class CRIPEMD160 {
+private:
+ uint32_t s[5];
+ unsigned char buf[64];
+ size_t bytes;
+
+public:
+ static const size_t OUTPUT_SIZE = 20;
+
+ CRIPEMD160();
+ CRIPEMD160& Write(const unsigned char *data, size_t len);
+ void Finalize(unsigned char hash[OUTPUT_SIZE]);
+ CRIPEMD160& Reset();
+};
+
+#endif
diff --git a/src/crypto/sha1.cpp b/src/crypto/sha1.cpp
new file mode 100644
index 0000000000..304401a50f
--- /dev/null
+++ b/src/crypto/sha1.cpp
@@ -0,0 +1,192 @@
+// 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 "crypto/common.h"
+#include <string.h>
+
+// Internal implementation code.
+namespace {
+
+/// 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[OUTPUT_SIZE]) {
+ 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]);
+}
+
+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..b16f2c88ce
--- /dev/null
+++ b/src/crypto/sha1.h
@@ -0,0 +1,27 @@
+// 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 <stdint.h>
+#include <stdlib.h>
+
+/** A hasher class for SHA1. */
+class CSHA1 {
+private:
+ uint32_t s[5];
+ unsigned char buf[64];
+ size_t bytes;
+
+public:
+ static const size_t OUTPUT_SIZE = 20;
+
+ CSHA1();
+ CSHA1& Write(const unsigned char *data, size_t len);
+ void Finalize(unsigned char hash[OUTPUT_SIZE]);
+ CSHA1& Reset();
+};
+
+#endif
diff --git a/src/crypto/sha2.cpp b/src/crypto/sha2.cpp
new file mode 100644
index 0000000000..99a251cb12
--- /dev/null
+++ b/src/crypto/sha2.cpp
@@ -0,0 +1,398 @@
+// 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 "crypto/common.h"
+#include <string.h>
+
+// Internal implementation code.
+namespace {
+
+/// 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[OUTPUT_SIZE]) {
+ 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[OUTPUT_SIZE]) {
+ 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[OUTPUT_SIZE]) {
+ 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..088d5e194c
--- /dev/null
+++ b/src/crypto/sha2.h
@@ -0,0 +1,60 @@
+// 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 <stdint.h>
+#include <stdlib.h>
+
+/** A hasher class for SHA-256. */
+class CSHA256 {
+private:
+ uint32_t s[8];
+ unsigned char buf[64];
+ size_t bytes;
+
+public:
+ static const size_t OUTPUT_SIZE = 32;
+
+ CSHA256();
+ CSHA256& Write(const unsigned char *data, size_t len);
+ void Finalize(unsigned char hash[OUTPUT_SIZE]);
+ CSHA256& Reset();
+};
+
+/** A hasher class for SHA-512. */
+class CSHA512 {
+private:
+ uint64_t s[8];
+ unsigned char buf[128];
+ size_t bytes;
+
+public:
+ static const size_t OUTPUT_SIZE = 64;
+
+ CSHA512();
+ CSHA512& Write(const unsigned char *data, size_t len);
+ void Finalize(unsigned char hash[OUTPUT_SIZE]);
+ CSHA512& Reset();
+};
+
+/** A hasher class for HMAC-SHA-512. */
+class CHMAC_SHA512 {
+private:
+ CSHA512 outer;
+ CSHA512 inner;
+
+public:
+ static const size_t OUTPUT_SIZE = 64;
+
+ 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[OUTPUT_SIZE]);
+};
+
+#endif
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