Mercurial > projects > dcrypt
view dcrypt/crypto/hashes/SHA512.d @ 6:5cb17e09d685
Minor edits to the unittests of hash functions and ciphers. Added AES and test vectors.
author | Thomas Dixon <reikon@reikon.us> |
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date | Sat, 16 Aug 2008 22:43:22 -0400 |
parents | a5789a7b3b3b |
children | 4589f8c5eb3c |
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/** * This file is part of the dcrypt project. * * Copyright: Copyright (C) dcrypt contributors 2008. All rights reserved. * License: MIT * Authors: Thomas Dixon */ module dcrypt.crypto.hashes.SHA512; public import dcrypt.crypto.Hash; /** * Implementation of the US NSA's SHA-512. * * Conforms: FIPS-180-2 * References: http://csrc.nist.gov/publications/fips/fips180-2/fips180-2.pdf */ class SHA512 : Hash { private const ulong[] K = [ 0x428a2f98d728ae22u, 0x7137449123ef65cdu, 0xb5c0fbcfec4d3b2fu, 0xe9b5dba58189dbbcu, 0x3956c25bf348b538u, 0x59f111f1b605d019u, 0x923f82a4af194f9bu, 0xab1c5ed5da6d8118u, 0xd807aa98a3030242u, 0x12835b0145706fbeu, 0x243185be4ee4b28cu, 0x550c7dc3d5ffb4e2u, 0x72be5d74f27b896fu, 0x80deb1fe3b1696b1u, 0x9bdc06a725c71235u, 0xc19bf174cf692694u, 0xe49b69c19ef14ad2u, 0xefbe4786384f25e3u, 0x0fc19dc68b8cd5b5u, 0x240ca1cc77ac9c65u, 0x2de92c6f592b0275u, 0x4a7484aa6ea6e483u, 0x5cb0a9dcbd41fbd4u, 0x76f988da831153b5u, 0x983e5152ee66dfabu, 0xa831c66d2db43210u, 0xb00327c898fb213fu, 0xbf597fc7beef0ee4u, 0xc6e00bf33da88fc2u, 0xd5a79147930aa725u, 0x06ca6351e003826fu, 0x142929670a0e6e70u, 0x27b70a8546d22ffcu, 0x2e1b21385c26c926u, 0x4d2c6dfc5ac42aedu, 0x53380d139d95b3dfu, 0x650a73548baf63deu, 0x766a0abb3c77b2a8u, 0x81c2c92e47edaee6u, 0x92722c851482353bu, 0xa2bfe8a14cf10364u, 0xa81a664bbc423001u, 0xc24b8b70d0f89791u, 0xc76c51a30654be30u, 0xd192e819d6ef5218u, 0xd69906245565a910u, 0xf40e35855771202au, 0x106aa07032bbd1b8u, 0x19a4c116b8d2d0c8u, 0x1e376c085141ab53u, 0x2748774cdf8eeb99u, 0x34b0bcb5e19b48a8u, 0x391c0cb3c5c95a63u, 0x4ed8aa4ae3418acbu, 0x5b9cca4f7763e373u, 0x682e6ff3d6b2b8a3u, 0x748f82ee5defb2fcu, 0x78a5636f43172f60u, 0x84c87814a1f0ab72u, 0x8cc702081a6439ecu, 0x90befffa23631e28u, 0xa4506cebde82bde9u, 0xbef9a3f7b2c67915u, 0xc67178f2e372532bu, 0xca273eceea26619cu, 0xd186b8c721c0c207u, 0xeada7dd6cde0eb1eu, 0xf57d4f7fee6ed178u, 0x06f067aa72176fbau, 0x0a637dc5a2c898a6u, 0x113f9804bef90daeu, 0x1b710b35131c471bu, 0x28db77f523047d84u, 0x32caab7b40c72493u, 0x3c9ebe0a15c9bebcu, 0x431d67c49c100d4cu, 0x4cc5d4becb3e42b6u, 0x597f299cfc657e2au, 0x5fcb6fab3ad6faecu, 0x6c44198c4a475817u ]; protected ulong h0, h1, h2, h3, h4, h5, h6, h7; this (void[] input_=null) { reset(); super(input_); } uint blockSize() { return 128; } uint digestSize() { return 64; } char[] name() { return "SHA512"; } void transform(ubyte[] input) { ulong[] w = new ulong[80]; for (int i = 0, j = 0; i < 16; i++,j+=8) w[i] = Util.ubytesToUlongBig(input, j); for (int i = 16; i < 80; i++) w[i] = theta1(w[i-2]) + w[i-7] + theta0(w[i-15]) + w[i-16]; ulong a = h0, b = h1, c = h2, d = h3, e = h4, f = h5, g = h6, h = h7; for (int i = 0; i < 80; i++) { ulong t1 = h + sum1(e) + ch(e,f,g) + K[i] + w[i], t2 = sum0(a) + maj(a,b,c); h = g; g = f; f = e; e = d + t1; d = c; c = b; b = a; a = t1 + t2; } h0 += a; h1 += b; h2 += c; h3 += d; h4 += e; h5 += f; h6 += g; h7 += h; } private ulong ch(ulong x, ulong y, ulong z) { return (x&y)^(~x&z); } private ulong maj(ulong x, ulong y, ulong z) { return (x&y)^(x&z)^(y&z); } private ulong sum0(ulong x) { return (Util.rotateRight64(x,28)^ Util.rotateRight64(x,34)^ Util.rotateRight64(x,39)); } private ulong sum1(ulong x) { return (Util.rotateRight64(x,14)^ Util.rotateRight64(x,18)^ Util.rotateRight64(x,41)); } private ulong theta0(ulong x) { return Util.rotateRight64(x,1)^Util.rotateRight64(x,8)^(x >> 7); } private ulong theta1(ulong x) { return Util.rotateRight64(x,19)^Util.rotateRight64(x,61)^(x >> 6); } ubyte[] digest() { padMessage(MODE_SHA); ubyte[] result = new ubyte[digestSize]; Util.ulongToUbytesBig(h0, result, 0); Util.ulongToUbytesBig(h1, result, 8); Util.ulongToUbytesBig(h2, result, 16); Util.ulongToUbytesBig(h3, result, 24); Util.ulongToUbytesBig(h4, result, 32); Util.ulongToUbytesBig(h5, result, 40); Util.ulongToUbytesBig(h6, result, 48); Util.ulongToUbytesBig(h7, result, 56); reset(); return result; } void reset() { super.reset(); h0 = 0x6a09e667f3bcc908u; h1 = 0xbb67ae8584caa73bu; h2 = 0x3c6ef372fe94f82bu; h3 = 0xa54ff53a5f1d36f1u; h4 = 0x510e527fade682d1u; h5 = 0x9b05688c2b3e6c1fu; h6 = 0x1f83d9abfb41bd6bu; h7 = 0x5be0cd19137e2179u; } SHA512 copy() { SHA512 h = new SHA512(buffer[0..index]); h.bytes = bytes; h.h0 = h0; h.h1 = h1; h.h2 = h2; h.h3 = h3; h.h4 = h4; h.h5 = h5; h.h6 = h6; h.h7 = h7; return h; } version (UnitTest) { unittest { static const char[][] test_inputs = [ "", "abc", "abcdefghbcdefghicdefghijdefghijkefghijklfghijklmghijklmn"~ "hijklmnoijklmnopjklmnopqklmnopqrlmnopqrsmnopqrstnopqrstu", "a" ]; static const int[] test_repeat = [ 1, 1, 1, 1000000 ]; static const char[][] test_results = [ "cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce"~ "47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e", "ddaf35a193617abacc417349ae20413112e6fa4e89a97ea20a9eeee64b55d39a"~ "2192992a274fc1a836ba3c23a3feebbd454d4423643ce80e2a9ac94fa54ca49f", "8e959b75dae313da8cf4f72814fc143f8f7779c6eb9f7fa17299aeadb6889018"~ "501d289e4900f7e4331b99dec4b5433ac7d329eeb6dd26545e96e55b874be909", "e718483d0ce769644e2e42c7bc15b4638e1f98b13b2044285632a803afa973eb"~ "de0ff244877ea60a4cb0432ce577c31beb009c5c2c49aa2e4eadb217ad8cc09b" ]; SHA512 h = new SHA512(); foreach (uint i, char[] input; test_inputs) { for (int j = 0; j < test_repeat[i]; j++) h.update(input); char[] digest = h.hexDigest(); assert(digest == test_results[i], h.name~": ("~digest~") != ("~test_results[i]~")"); } } } }