Mercurial > projects > dcrypt
annotate dcrypt/crypto/hashes/SHA224.d @ 2:71aae178f89a
Added copy() to hash functions. Modified some code style.
author | Thomas Dixon <reikon@reikon.us> |
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date | Wed, 13 Aug 2008 22:01:19 -0400 |
parents | 0e08791a1418 |
children | a5789a7b3b3b |
rev | line source |
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0 | 1 /** |
2 * This file is part of the dcrypt project. | |
3 * | |
4 * Copyright: Copyright (C) dcrypt contributors 2008. All rights reserved. | |
5 * License: MIT | |
6 * Authors: Thomas Dixon | |
7 */ | |
8 | |
9 module dcrypt.crypto.hashes.SHA224; | |
10 | |
11 import dcrypt.crypto.hashes.SHA256; | |
12 | |
13 /** Implementation of SHA-224. */ | |
14 class SHA224 : SHA256 { | |
15 this (void[] input_=null) { | |
16 reset(); | |
17 super(input_); | |
18 } | |
19 | |
20 uint digestSize() { | |
21 return 28; | |
22 } | |
23 | |
24 char[] name() { | |
25 return "SHA224"; | |
26 } | |
27 | |
28 ubyte[] digest() { | |
29 padMessage(MODE_SHA); | |
30 | |
31 ubyte[] result = new ubyte[digestSize]; | |
32 | |
33 Util.uintToUbytesBig(h0, result, 0); | |
34 Util.uintToUbytesBig(h1, result, 4); | |
35 Util.uintToUbytesBig(h2, result, 8); | |
36 Util.uintToUbytesBig(h3, result, 12); | |
37 Util.uintToUbytesBig(h4, result, 16); | |
38 Util.uintToUbytesBig(h5, result, 20); | |
39 Util.uintToUbytesBig(h6, result, 24); | |
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Added copy() to hash functions. Modified some code style.
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40 |
0 | 41 reset(); |
42 return result; | |
43 } | |
44 | |
45 void reset() { | |
46 super.reset(); | |
47 h0 = 0xc1059ed8u; | |
48 h1 = 0x367cd507u; | |
49 h2 = 0x3070dd17u; | |
50 h3 = 0xf70e5939u; | |
51 h4 = 0xffc00b31u; | |
52 h5 = 0x68581511u; | |
53 h6 = 0x64f98fa7u; | |
54 h7 = 0xbefa4fa4u; | |
55 } | |
56 | |
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57 SHA224 copy() { |
71aae178f89a
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58 SHA224 h = new SHA224(buffer[0..index]); |
71aae178f89a
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59 h.h0 = h0; |
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60 h.h1 = h1; |
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61 h.h2 = h2; |
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62 h.h3 = h3; |
71aae178f89a
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63 h.h4 = h4; |
71aae178f89a
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64 h.h5 = h5; |
71aae178f89a
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65 h.h6 = h6; |
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66 h.h7 = h7; |
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67 return h; |
71aae178f89a
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68 } |
71aae178f89a
Added copy() to hash functions. Modified some code style.
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parents:
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69 |
0 | 70 version (UnitTest) { |
71 unittest { | |
72 static const char[][] test_inputs = [ | |
73 "", | |
74 "abc", | |
75 "abcdbcdecdefdefgefghfghighijhijkijkljklmklmnlmnomnopnopq", | |
76 "a" | |
77 ]; | |
78 | |
79 static const int[] test_repeat = [ | |
80 1, 1, 1, 1000000 | |
81 ]; | |
82 | |
83 static const char[][] test_results = [ | |
84 "d14a028c2a3a2bc9476102bb288234c415a2b01f828ea62ac5b3e42f", | |
85 "23097d223405d8228642a477bda255b32aadbce4bda0b3f7e36c9da7", | |
86 "75388b16512776cc5dba5da1fd890150b0c6455cb4f58b1952522525", | |
87 "20794655980c91d8bbb4c1ea97618a4bf03f42581948b2ee4ee7ad67" | |
88 ]; | |
89 | |
90 SHA224 h = new SHA224(); | |
91 foreach (uint i, char[] input; test_inputs) { | |
92 for (int j = 0; j < test_repeat[i]; j++) | |
93 h.update(input); | |
94 char[] digest = h.hexDigest(); | |
95 assert(digest == test_results[i], | |
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96 h.name~": ("~digest~") != ("~test_results[i]~")"); |
0 | 97 } |
98 } | |
99 } | |
100 } |