Mercurial > projects > dcrypt
view dcrypt/crypto/hashes/SHA224.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.SHA224; import dcrypt.crypto.hashes.SHA256; /** * Implementation of the US NSA's SHA-224. * * Conforms: FIPS-180-2 * References: http://csrc.nist.gov/publications/fips/fips180-2/FIPS180-2_changenotice.pdf */ class SHA224 : SHA256 { this (void[] input_=null) { reset(); super(input_); } uint digestSize() { return 28; } char[] name() { return "SHA224"; } ubyte[] digest() { padMessage(MODE_SHA); ubyte[] result = new ubyte[digestSize]; Util.uintToUbytesBig(h0, result, 0); Util.uintToUbytesBig(h1, result, 4); Util.uintToUbytesBig(h2, result, 8); Util.uintToUbytesBig(h3, result, 12); Util.uintToUbytesBig(h4, result, 16); Util.uintToUbytesBig(h5, result, 20); Util.uintToUbytesBig(h6, result, 24); reset(); return result; } void reset() { super.reset(); h0 = 0xc1059ed8u; h1 = 0x367cd507u; h2 = 0x3070dd17u; h3 = 0xf70e5939u; h4 = 0xffc00b31u; h5 = 0x68581511u; h6 = 0x64f98fa7u; h7 = 0xbefa4fa4u; } SHA224 copy() { SHA224 h = new SHA224(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", "abcdbcdecdefdefgefghfghighijhijkijkljklmklmnlmnomnopnopq", "a" ]; static const int[] test_repeat = [ 1, 1, 1, 1000000 ]; static const char[][] test_results = [ "d14a028c2a3a2bc9476102bb288234c415a2b01f828ea62ac5b3e42f", "23097d223405d8228642a477bda255b32aadbce4bda0b3f7e36c9da7", "75388b16512776cc5dba5da1fd890150b0c6455cb4f58b1952522525", "20794655980c91d8bbb4c1ea97618a4bf03f42581948b2ee4ee7ad67" ]; SHA224 h = new SHA224(); 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]~")"); } } } }