Merge pull request #4100

a0495bb Add <Hasher>::OUTPUT_SIZE (Pieter Wuille)
4791b99 crypto: create a separate lib for crypto functions (Cory Fields)
f2647cc crypto: explicitly check for byte read/write functions (Cory Fields)
5437248 build: move bitcoin-config.h to its own directory (Cory Fields)
3820e01 Extend and move all crypto tests to crypto_tests.cpp (Pieter Wuille)
7ecd973 Move {Read,Write}{LE,BE}{32,64} to common.h and use builtins if possible (Pieter Wuille)
a5bc9c0 Add built-in RIPEMD-160 implementation (Pieter Wuille)
13b5dfe Move crypto implementations to src/crypto/ (Pieter Wuille)
1cc344c Add built-in SHA-1 implementation. (Pieter Wuille)
85aab2a Switch miner.cpp to use sha2 instead of OpenSSL. (Pieter Wuille)
cf0c47b Remove getwork() RPC call (Pieter Wuille)
7b4737c Switch script.cpp and hash.cpp to use sha2.cpp instead of OpenSSL. (Pieter Wuille)
977cdad Add a built-in SHA256/SHA512 implementation. (Pieter Wuille)

1 files changed, 204 insertions, 0 deletions

diff --git a/src/crypto/ripemd160.cpp b/src/crypto/ripemd160.cpp
new file mode 100644
index 000000000..24bd318d4
--- /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;
+}