diff options
| -rw-r--r-- | src/bench/crypto_hash.cpp | 9 | ||||
| -rw-r--r-- | src/crypto/sha256.cpp | 304 | ||||
| -rw-r--r-- | src/crypto/sha256.h | 7 | ||||
| -rw-r--r-- | src/test/crypto_tests.cpp | 16 |
4 files changed, 335 insertions, 1 deletions
diff --git a/src/bench/crypto_hash.cpp b/src/bench/crypto_hash.cpp index adb69bc6c3..7d907eaf10 100644 --- a/src/bench/crypto_hash.cpp +++ b/src/bench/crypto_hash.cpp @@ -52,6 +52,14 @@ static void SHA256_32b(benchmark::State& state) } } +static void SHA256D64_1024(benchmark::State& state) +{ + std::vector<uint8_t> in(64 * 1024, 0); + while (state.KeepRunning()) { + SHA256D64(in.data(), in.data(), 1024); + } +} + static void SHA512(benchmark::State& state) { uint8_t hash[CSHA512::OUTPUT_SIZE]; @@ -94,5 +102,6 @@ BENCHMARK(SHA512, 330); BENCHMARK(SHA256_32b, 4700 * 1000); BENCHMARK(SipHash_32b, 40 * 1000 * 1000); +BENCHMARK(SHA256D64_1024, 7400); BENCHMARK(FastRandom_32bit, 110 * 1000 * 1000); BENCHMARK(FastRandom_1bit, 440 * 1000 * 1000); diff --git a/src/crypto/sha256.cpp b/src/crypto/sha256.cpp index 9e2dee003b..3b40254e63 100644 --- a/src/crypto/sha256.cpp +++ b/src/crypto/sha256.cpp @@ -141,9 +141,300 @@ void Transform(uint32_t* s, const unsigned char* chunk, size_t blocks) } } +void TransformD64(unsigned char* out, const unsigned char* in) +{ + // Transform 1 + uint32_t a = 0x6a09e667ul; + uint32_t b = 0xbb67ae85ul; + uint32_t c = 0x3c6ef372ul; + uint32_t d = 0xa54ff53aul; + uint32_t e = 0x510e527ful; + uint32_t f = 0x9b05688cul; + uint32_t g = 0x1f83d9abul; + uint32_t h = 0x5be0cd19ul; + + 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, 0x428a2f98ul + (w0 = ReadBE32(in + 0))); + Round(h, a, b, c, d, e, f, g, 0x71374491ul + (w1 = ReadBE32(in + 4))); + Round(g, h, a, b, c, d, e, f, 0xb5c0fbcful + (w2 = ReadBE32(in + 8))); + Round(f, g, h, a, b, c, d, e, 0xe9b5dba5ul + (w3 = ReadBE32(in + 12))); + Round(e, f, g, h, a, b, c, d, 0x3956c25bul + (w4 = ReadBE32(in + 16))); + Round(d, e, f, g, h, a, b, c, 0x59f111f1ul + (w5 = ReadBE32(in + 20))); + Round(c, d, e, f, g, h, a, b, 0x923f82a4ul + (w6 = ReadBE32(in + 24))); + Round(b, c, d, e, f, g, h, a, 0xab1c5ed5ul + (w7 = ReadBE32(in + 28))); + Round(a, b, c, d, e, f, g, h, 0xd807aa98ul + (w8 = ReadBE32(in + 32))); + Round(h, a, b, c, d, e, f, g, 0x12835b01ul + (w9 = ReadBE32(in + 36))); + Round(g, h, a, b, c, d, e, f, 0x243185beul + (w10 = ReadBE32(in + 40))); + Round(f, g, h, a, b, c, d, e, 0x550c7dc3ul + (w11 = ReadBE32(in + 44))); + Round(e, f, g, h, a, b, c, d, 0x72be5d74ul + (w12 = ReadBE32(in + 48))); + Round(d, e, f, g, h, a, b, c, 0x80deb1feul + (w13 = ReadBE32(in + 52))); + Round(c, d, e, f, g, h, a, b, 0x9bdc06a7ul + (w14 = ReadBE32(in + 56))); + Round(b, c, d, e, f, g, h, a, 0xc19bf174ul + (w15 = ReadBE32(in + 60))); + Round(a, b, c, d, e, f, g, h, 0xe49b69c1ul + (w0 += sigma1(w14) + w9 + sigma0(w1))); + Round(h, a, b, c, d, e, f, g, 0xefbe4786ul + (w1 += sigma1(w15) + w10 + sigma0(w2))); + Round(g, h, a, b, c, d, e, f, 0x0fc19dc6ul + (w2 += sigma1(w0) + w11 + sigma0(w3))); + Round(f, g, h, a, b, c, d, e, 0x240ca1ccul + (w3 += sigma1(w1) + w12 + sigma0(w4))); + Round(e, f, g, h, a, b, c, d, 0x2de92c6ful + (w4 += sigma1(w2) + w13 + sigma0(w5))); + Round(d, e, f, g, h, a, b, c, 0x4a7484aaul + (w5 += sigma1(w3) + w14 + sigma0(w6))); + Round(c, d, e, f, g, h, a, b, 0x5cb0a9dcul + (w6 += sigma1(w4) + w15 + sigma0(w7))); + Round(b, c, d, e, f, g, h, a, 0x76f988daul + (w7 += sigma1(w5) + w0 + sigma0(w8))); + Round(a, b, c, d, e, f, g, h, 0x983e5152ul + (w8 += sigma1(w6) + w1 + sigma0(w9))); + Round(h, a, b, c, d, e, f, g, 0xa831c66dul + (w9 += sigma1(w7) + w2 + sigma0(w10))); + Round(g, h, a, b, c, d, e, f, 0xb00327c8ul + (w10 += sigma1(w8) + w3 + sigma0(w11))); + Round(f, g, h, a, b, c, d, e, 0xbf597fc7ul + (w11 += sigma1(w9) + w4 + sigma0(w12))); + Round(e, f, g, h, a, b, c, d, 0xc6e00bf3ul + (w12 += sigma1(w10) + w5 + sigma0(w13))); + Round(d, e, f, g, h, a, b, c, 0xd5a79147ul + (w13 += sigma1(w11) + w6 + sigma0(w14))); + Round(c, d, e, f, g, h, a, b, 0x06ca6351ul + (w14 += sigma1(w12) + w7 + sigma0(w15))); + Round(b, c, d, e, f, g, h, a, 0x14292967ul + (w15 += sigma1(w13) + w8 + sigma0(w0))); + Round(a, b, c, d, e, f, g, h, 0x27b70a85ul + (w0 += sigma1(w14) + w9 + sigma0(w1))); + Round(h, a, b, c, d, e, f, g, 0x2e1b2138ul + (w1 += sigma1(w15) + w10 + sigma0(w2))); + Round(g, h, a, b, c, d, e, f, 0x4d2c6dfcul + (w2 += sigma1(w0) + w11 + sigma0(w3))); + Round(f, g, h, a, b, c, d, e, 0x53380d13ul + (w3 += sigma1(w1) + w12 + sigma0(w4))); + Round(e, f, g, h, a, b, c, d, 0x650a7354ul + (w4 += sigma1(w2) + w13 + sigma0(w5))); + Round(d, e, f, g, h, a, b, c, 0x766a0abbul + (w5 += sigma1(w3) + w14 + sigma0(w6))); + Round(c, d, e, f, g, h, a, b, 0x81c2c92eul + (w6 += sigma1(w4) + w15 + sigma0(w7))); + Round(b, c, d, e, f, g, h, a, 0x92722c85ul + (w7 += sigma1(w5) + w0 + sigma0(w8))); + Round(a, b, c, d, e, f, g, h, 0xa2bfe8a1ul + (w8 += sigma1(w6) + w1 + sigma0(w9))); + Round(h, a, b, c, d, e, f, g, 0xa81a664bul + (w9 += sigma1(w7) + w2 + sigma0(w10))); + Round(g, h, a, b, c, d, e, f, 0xc24b8b70ul + (w10 += sigma1(w8) + w3 + sigma0(w11))); + Round(f, g, h, a, b, c, d, e, 0xc76c51a3ul + (w11 += sigma1(w9) + w4 + sigma0(w12))); + Round(e, f, g, h, a, b, c, d, 0xd192e819ul + (w12 += sigma1(w10) + w5 + sigma0(w13))); + Round(d, e, f, g, h, a, b, c, 0xd6990624ul + (w13 += sigma1(w11) + w6 + sigma0(w14))); + Round(c, d, e, f, g, h, a, b, 0xf40e3585ul + (w14 += sigma1(w12) + w7 + sigma0(w15))); + Round(b, c, d, e, f, g, h, a, 0x106aa070ul + (w15 += sigma1(w13) + w8 + sigma0(w0))); + Round(a, b, c, d, e, f, g, h, 0x19a4c116ul + (w0 += sigma1(w14) + w9 + sigma0(w1))); + Round(h, a, b, c, d, e, f, g, 0x1e376c08ul + (w1 += sigma1(w15) + w10 + sigma0(w2))); + Round(g, h, a, b, c, d, e, f, 0x2748774cul + (w2 += sigma1(w0) + w11 + sigma0(w3))); + Round(f, g, h, a, b, c, d, e, 0x34b0bcb5ul + (w3 += sigma1(w1) + w12 + sigma0(w4))); + Round(e, f, g, h, a, b, c, d, 0x391c0cb3ul + (w4 += sigma1(w2) + w13 + sigma0(w5))); + Round(d, e, f, g, h, a, b, c, 0x4ed8aa4aul + (w5 += sigma1(w3) + w14 + sigma0(w6))); + Round(c, d, e, f, g, h, a, b, 0x5b9cca4ful + (w6 += sigma1(w4) + w15 + sigma0(w7))); + Round(b, c, d, e, f, g, h, a, 0x682e6ff3ul + (w7 += sigma1(w5) + w0 + sigma0(w8))); + Round(a, b, c, d, e, f, g, h, 0x748f82eeul + (w8 += sigma1(w6) + w1 + sigma0(w9))); + Round(h, a, b, c, d, e, f, g, 0x78a5636ful + (w9 += sigma1(w7) + w2 + sigma0(w10))); + Round(g, h, a, b, c, d, e, f, 0x84c87814ul + (w10 += sigma1(w8) + w3 + sigma0(w11))); + Round(f, g, h, a, b, c, d, e, 0x8cc70208ul + (w11 += sigma1(w9) + w4 + sigma0(w12))); + Round(e, f, g, h, a, b, c, d, 0x90befffaul + (w12 += sigma1(w10) + w5 + sigma0(w13))); + Round(d, e, f, g, h, a, b, c, 0xa4506cebul + (w13 += sigma1(w11) + w6 + sigma0(w14))); + Round(c, d, e, f, g, h, a, b, 0xbef9a3f7ul + (w14 + sigma1(w12) + w7 + sigma0(w15))); + Round(b, c, d, e, f, g, h, a, 0xc67178f2ul + (w15 + sigma1(w13) + w8 + sigma0(w0))); + + a += 0x6a09e667ul; + b += 0xbb67ae85ul; + c += 0x3c6ef372ul; + d += 0xa54ff53aul; + e += 0x510e527ful; + f += 0x9b05688cul; + g += 0x1f83d9abul; + h += 0x5be0cd19ul; + + uint32_t t0 = a, t1 = b, t2 = c, t3 = d, t4 = e, t5 = f, t6 = g, t7 = h; + + // Transform 2 + Round(a, b, c, d, e, f, g, h, 0xc28a2f98ul); + Round(h, a, b, c, d, e, f, g, 0x71374491ul); + Round(g, h, a, b, c, d, e, f, 0xb5c0fbcful); + Round(f, g, h, a, b, c, d, e, 0xe9b5dba5ul); + Round(e, f, g, h, a, b, c, d, 0x3956c25bul); + Round(d, e, f, g, h, a, b, c, 0x59f111f1ul); + Round(c, d, e, f, g, h, a, b, 0x923f82a4ul); + Round(b, c, d, e, f, g, h, a, 0xab1c5ed5ul); + Round(a, b, c, d, e, f, g, h, 0xd807aa98ul); + Round(h, a, b, c, d, e, f, g, 0x12835b01ul); + Round(g, h, a, b, c, d, e, f, 0x243185beul); + Round(f, g, h, a, b, c, d, e, 0x550c7dc3ul); + Round(e, f, g, h, a, b, c, d, 0x72be5d74ul); + Round(d, e, f, g, h, a, b, c, 0x80deb1feul); + Round(c, d, e, f, g, h, a, b, 0x9bdc06a7ul); + Round(b, c, d, e, f, g, h, a, 0xc19bf374ul); + Round(a, b, c, d, e, f, g, h, 0x649b69c1ul); + Round(h, a, b, c, d, e, f, g, 0xf0fe4786ul); + Round(g, h, a, b, c, d, e, f, 0x0fe1edc6ul); + Round(f, g, h, a, b, c, d, e, 0x240cf254ul); + Round(e, f, g, h, a, b, c, d, 0x4fe9346ful); + Round(d, e, f, g, h, a, b, c, 0x6cc984beul); + Round(c, d, e, f, g, h, a, b, 0x61b9411eul); + Round(b, c, d, e, f, g, h, a, 0x16f988faul); + Round(a, b, c, d, e, f, g, h, 0xf2c65152ul); + Round(h, a, b, c, d, e, f, g, 0xa88e5a6dul); + Round(g, h, a, b, c, d, e, f, 0xb019fc65ul); + Round(f, g, h, a, b, c, d, e, 0xb9d99ec7ul); + Round(e, f, g, h, a, b, c, d, 0x9a1231c3ul); + Round(d, e, f, g, h, a, b, c, 0xe70eeaa0ul); + Round(c, d, e, f, g, h, a, b, 0xfdb1232bul); + Round(b, c, d, e, f, g, h, a, 0xc7353eb0ul); + Round(a, b, c, d, e, f, g, h, 0x3069bad5ul); + Round(h, a, b, c, d, e, f, g, 0xcb976d5ful); + Round(g, h, a, b, c, d, e, f, 0x5a0f118ful); + Round(f, g, h, a, b, c, d, e, 0xdc1eeefdul); + Round(e, f, g, h, a, b, c, d, 0x0a35b689ul); + Round(d, e, f, g, h, a, b, c, 0xde0b7a04ul); + Round(c, d, e, f, g, h, a, b, 0x58f4ca9dul); + Round(b, c, d, e, f, g, h, a, 0xe15d5b16ul); + Round(a, b, c, d, e, f, g, h, 0x007f3e86ul); + Round(h, a, b, c, d, e, f, g, 0x37088980ul); + Round(g, h, a, b, c, d, e, f, 0xa507ea32ul); + Round(f, g, h, a, b, c, d, e, 0x6fab9537ul); + Round(e, f, g, h, a, b, c, d, 0x17406110ul); + Round(d, e, f, g, h, a, b, c, 0x0d8cd6f1ul); + Round(c, d, e, f, g, h, a, b, 0xcdaa3b6dul); + Round(b, c, d, e, f, g, h, a, 0xc0bbbe37ul); + Round(a, b, c, d, e, f, g, h, 0x83613bdaul); + Round(h, a, b, c, d, e, f, g, 0xdb48a363ul); + Round(g, h, a, b, c, d, e, f, 0x0b02e931ul); + Round(f, g, h, a, b, c, d, e, 0x6fd15ca7ul); + Round(e, f, g, h, a, b, c, d, 0x521afacaul); + Round(d, e, f, g, h, a, b, c, 0x31338431ul); + Round(c, d, e, f, g, h, a, b, 0x6ed41a95ul); + Round(b, c, d, e, f, g, h, a, 0x6d437890ul); + Round(a, b, c, d, e, f, g, h, 0xc39c91f2ul); + Round(h, a, b, c, d, e, f, g, 0x9eccabbdul); + Round(g, h, a, b, c, d, e, f, 0xb5c9a0e6ul); + Round(f, g, h, a, b, c, d, e, 0x532fb63cul); + Round(e, f, g, h, a, b, c, d, 0xd2c741c6ul); + Round(d, e, f, g, h, a, b, c, 0x07237ea3ul); + Round(c, d, e, f, g, h, a, b, 0xa4954b68ul); + Round(b, c, d, e, f, g, h, a, 0x4c191d76ul); + + w0 = t0 + a; + w1 = t1 + b; + w2 = t2 + c; + w3 = t3 + d; + w4 = t4 + e; + w5 = t5 + f; + w6 = t6 + g; + w7 = t7 + h; + + // Transform 3 + a = 0x6a09e667ul; + b = 0xbb67ae85ul; + c = 0x3c6ef372ul; + d = 0xa54ff53aul; + e = 0x510e527ful; + f = 0x9b05688cul; + g = 0x1f83d9abul; + h = 0x5be0cd19ul; + + Round(a, b, c, d, e, f, g, h, 0x428a2f98ul + w0); + Round(h, a, b, c, d, e, f, g, 0x71374491ul + w1); + Round(g, h, a, b, c, d, e, f, 0xb5c0fbcful + w2); + Round(f, g, h, a, b, c, d, e, 0xe9b5dba5ul + w3); + Round(e, f, g, h, a, b, c, d, 0x3956c25bul + w4); + Round(d, e, f, g, h, a, b, c, 0x59f111f1ul + w5); + Round(c, d, e, f, g, h, a, b, 0x923f82a4ul + w6); + Round(b, c, d, e, f, g, h, a, 0xab1c5ed5ul + w7); + Round(a, b, c, d, e, f, g, h, 0x5807aa98ul); + Round(h, a, b, c, d, e, f, g, 0x12835b01ul); + Round(g, h, a, b, c, d, e, f, 0x243185beul); + Round(f, g, h, a, b, c, d, e, 0x550c7dc3ul); + Round(e, f, g, h, a, b, c, d, 0x72be5d74ul); + Round(d, e, f, g, h, a, b, c, 0x80deb1feul); + Round(c, d, e, f, g, h, a, b, 0x9bdc06a7ul); + Round(b, c, d, e, f, g, h, a, 0xc19bf274ul); + Round(a, b, c, d, e, f, g, h, 0xe49b69c1ul + (w0 += sigma0(w1))); + Round(h, a, b, c, d, e, f, g, 0xefbe4786ul + (w1 += 0xa00000ul + sigma0(w2))); + Round(g, h, a, b, c, d, e, f, 0x0fc19dc6ul + (w2 += sigma1(w0) + sigma0(w3))); + Round(f, g, h, a, b, c, d, e, 0x240ca1ccul + (w3 += sigma1(w1) + sigma0(w4))); + Round(e, f, g, h, a, b, c, d, 0x2de92c6ful + (w4 += sigma1(w2) + sigma0(w5))); + Round(d, e, f, g, h, a, b, c, 0x4a7484aaul + (w5 += sigma1(w3) + sigma0(w6))); + Round(c, d, e, f, g, h, a, b, 0x5cb0a9dcul + (w6 += sigma1(w4) + 0x100ul + sigma0(w7))); + Round(b, c, d, e, f, g, h, a, 0x76f988daul + (w7 += sigma1(w5) + w0 + 0x11002000ul)); + Round(a, b, c, d, e, f, g, h, 0x983e5152ul + (w8 = 0x80000000ul + sigma1(w6) + w1)); + Round(h, a, b, c, d, e, f, g, 0xa831c66dul + (w9 = sigma1(w7) + w2)); + Round(g, h, a, b, c, d, e, f, 0xb00327c8ul + (w10 = sigma1(w8) + w3)); + Round(f, g, h, a, b, c, d, e, 0xbf597fc7ul + (w11 = sigma1(w9) + w4)); + Round(e, f, g, h, a, b, c, d, 0xc6e00bf3ul + (w12 = sigma1(w10) + w5)); + Round(d, e, f, g, h, a, b, c, 0xd5a79147ul + (w13 = sigma1(w11) + w6)); + Round(c, d, e, f, g, h, a, b, 0x06ca6351ul + (w14 = sigma1(w12) + w7 + 0x400022ul)); + Round(b, c, d, e, f, g, h, a, 0x14292967ul + (w15 = 0x100ul + sigma1(w13) + w8 + sigma0(w0))); + Round(a, b, c, d, e, f, g, h, 0x27b70a85ul + (w0 += sigma1(w14) + w9 + sigma0(w1))); + Round(h, a, b, c, d, e, f, g, 0x2e1b2138ul + (w1 += sigma1(w15) + w10 + sigma0(w2))); + Round(g, h, a, b, c, d, e, f, 0x4d2c6dfcul + (w2 += sigma1(w0) + w11 + sigma0(w3))); + Round(f, g, h, a, b, c, d, e, 0x53380d13ul + (w3 += sigma1(w1) + w12 + sigma0(w4))); + Round(e, f, g, h, a, b, c, d, 0x650a7354ul + (w4 += sigma1(w2) + w13 + sigma0(w5))); + Round(d, e, f, g, h, a, b, c, 0x766a0abbul + (w5 += sigma1(w3) + w14 + sigma0(w6))); + Round(c, d, e, f, g, h, a, b, 0x81c2c92eul + (w6 += sigma1(w4) + w15 + sigma0(w7))); + Round(b, c, d, e, f, g, h, a, 0x92722c85ul + (w7 += sigma1(w5) + w0 + sigma0(w8))); + Round(a, b, c, d, e, f, g, h, 0xa2bfe8a1ul + (w8 += sigma1(w6) + w1 + sigma0(w9))); + Round(h, a, b, c, d, e, f, g, 0xa81a664bul + (w9 += sigma1(w7) + w2 + sigma0(w10))); + Round(g, h, a, b, c, d, e, f, 0xc24b8b70ul + (w10 += sigma1(w8) + w3 + sigma0(w11))); + Round(f, g, h, a, b, c, d, e, 0xc76c51a3ul + (w11 += sigma1(w9) + w4 + sigma0(w12))); + Round(e, f, g, h, a, b, c, d, 0xd192e819ul + (w12 += sigma1(w10) + w5 + sigma0(w13))); + Round(d, e, f, g, h, a, b, c, 0xd6990624ul + (w13 += sigma1(w11) + w6 + sigma0(w14))); + Round(c, d, e, f, g, h, a, b, 0xf40e3585ul + (w14 += sigma1(w12) + w7 + sigma0(w15))); + Round(b, c, d, e, f, g, h, a, 0x106aa070ul + (w15 += sigma1(w13) + w8 + sigma0(w0))); + Round(a, b, c, d, e, f, g, h, 0x19a4c116ul + (w0 += sigma1(w14) + w9 + sigma0(w1))); + Round(h, a, b, c, d, e, f, g, 0x1e376c08ul + (w1 += sigma1(w15) + w10 + sigma0(w2))); + Round(g, h, a, b, c, d, e, f, 0x2748774cul + (w2 += sigma1(w0) + w11 + sigma0(w3))); + Round(f, g, h, a, b, c, d, e, 0x34b0bcb5ul + (w3 += sigma1(w1) + w12 + sigma0(w4))); + Round(e, f, g, h, a, b, c, d, 0x391c0cb3ul + (w4 += sigma1(w2) + w13 + sigma0(w5))); + Round(d, e, f, g, h, a, b, c, 0x4ed8aa4aul + (w5 += sigma1(w3) + w14 + sigma0(w6))); + Round(c, d, e, f, g, h, a, b, 0x5b9cca4ful + (w6 += sigma1(w4) + w15 + sigma0(w7))); + Round(b, c, d, e, f, g, h, a, 0x682e6ff3ul + (w7 += sigma1(w5) + w0 + sigma0(w8))); + Round(a, b, c, d, e, f, g, h, 0x748f82eeul + (w8 += sigma1(w6) + w1 + sigma0(w9))); + Round(h, a, b, c, d, e, f, g, 0x78a5636ful + (w9 += sigma1(w7) + w2 + sigma0(w10))); + Round(g, h, a, b, c, d, e, f, 0x84c87814ul + (w10 += sigma1(w8) + w3 + sigma0(w11))); + Round(f, g, h, a, b, c, d, e, 0x8cc70208ul + (w11 += sigma1(w9) + w4 + sigma0(w12))); + Round(e, f, g, h, a, b, c, d, 0x90befffaul + (w12 += sigma1(w10) + w5 + sigma0(w13))); + Round(d, e, f, g, h, a, b, c, 0xa4506cebul + (w13 += sigma1(w11) + w6 + sigma0(w14))); + Round(c, d, e, f, g, h, a, b, 0xbef9a3f7ul + (w14 + sigma1(w12) + w7 + sigma0(w15))); + Round(b, c, d, e, f, g, h, a, 0xc67178f2ul + (w15 + sigma1(w13) + w8 + sigma0(w0))); + + // Output + WriteBE32(out + 0, a + 0x6a09e667ul); + WriteBE32(out + 4, b + 0xbb67ae85ul); + WriteBE32(out + 8, c + 0x3c6ef372ul); + WriteBE32(out + 12, d + 0xa54ff53aul); + WriteBE32(out + 16, e + 0x510e527ful); + WriteBE32(out + 20, f + 0x9b05688cul); + WriteBE32(out + 24, g + 0x1f83d9abul); + WriteBE32(out + 28, h + 0x5be0cd19ul); +} + } // namespace sha256 typedef void (*TransformType)(uint32_t*, const unsigned char*, size_t); +typedef void (*TransformD64Type)(unsigned char*, const unsigned char*); + +template<TransformType tr> +void TransformD64Wrapper(unsigned char* out, const unsigned char* in) +{ + uint32_t s[8]; + static const unsigned char padding1[64] = { + 0x80, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 2, 0 + }; + unsigned char buffer2[64] = { + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, + 0x80, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0 + }; + sha256::Initialize(s); + tr(s, in, 1); + tr(s, padding1, 1); + WriteBE32(buffer2 + 0, s[0]); + WriteBE32(buffer2 + 4, s[1]); + WriteBE32(buffer2 + 8, s[2]); + WriteBE32(buffer2 + 12, s[3]); + WriteBE32(buffer2 + 16, s[4]); + WriteBE32(buffer2 + 20, s[5]); + WriteBE32(buffer2 + 24, s[6]); + WriteBE32(buffer2 + 28, s[7]); + sha256::Initialize(s); + tr(s, buffer2, 1); + WriteBE32(out + 0, s[0]); + WriteBE32(out + 4, s[1]); + WriteBE32(out + 8, s[2]); + WriteBE32(out + 12, s[3]); + WriteBE32(out + 16, s[4]); + WriteBE32(out + 20, s[5]); + WriteBE32(out + 24, s[6]); + WriteBE32(out + 28, s[7]); +} bool SelfTest(TransformType tr) { static const unsigned char in1[65] = {0, 0x80}; @@ -173,7 +464,7 @@ bool SelfTest(TransformType tr) { } TransformType Transform = sha256::Transform; - +TransformD64Type TransformD64 = sha256::TransformD64; } // namespace std::string SHA256AutoDetect() @@ -182,6 +473,7 @@ std::string SHA256AutoDetect() uint32_t eax, ebx, ecx, edx; if (__get_cpuid(1, &eax, &ebx, &ecx, &edx) && (ecx >> 19) & 1) { Transform = sha256_sse4::Transform; + TransformD64 = TransformD64Wrapper<sha256_sse4::Transform>; assert(SelfTest(Transform)); return "sse4"; } @@ -247,3 +539,13 @@ CSHA256& CSHA256::Reset() sha256::Initialize(s); return *this; } + +void SHA256D64(unsigned char* out, const unsigned char* in, size_t blocks) +{ + while (blocks) { + TransformD64(out, in); + out += 32; + in += 64; + --blocks; + } +} diff --git a/src/crypto/sha256.h b/src/crypto/sha256.h index dd30fe396f..31b2b3b3df 100644 --- a/src/crypto/sha256.h +++ b/src/crypto/sha256.h @@ -31,4 +31,11 @@ public: */ std::string SHA256AutoDetect(); +/** Compute multiple double-SHA256's of 64-byte blobs. + * output: pointer to a blocks*32 byte output buffer + * input: pointer to a blocks*64 byte input buffer + * blocks: the number of hashes to compute. + */ +void SHA256D64(unsigned char* output, const unsigned char* input, size_t blocks); + #endif // BITCOIN_CRYPTO_SHA256_H diff --git a/src/test/crypto_tests.cpp b/src/test/crypto_tests.cpp index 518cb849bb..d701f3bc4e 100644 --- a/src/test/crypto_tests.cpp +++ b/src/test/crypto_tests.cpp @@ -546,4 +546,20 @@ BOOST_AUTO_TEST_CASE(countbits_tests) } } +BOOST_AUTO_TEST_CASE(sha256d64) +{ + for (int i = 0; i <= 32; ++i) { + unsigned char in[64 * 32]; + unsigned char out1[32 * 32], out2[32 * 32]; + for (int j = 0; j < 64 * i; ++j) { + in[j] = InsecureRandBits(8); + } + for (int j = 0; j < i; ++j) { + CHash256().Write(in + 64 * j, 64).Finalize(out1 + 32 * j); + } + SHA256D64(out2, in, i); + BOOST_CHECK(memcmp(out1, out2, 32 * i) == 0); + } +} + BOOST_AUTO_TEST_SUITE_END() |