Mercurial > projects > dcrypt
annotate dcrypt/crypto/hashes/SHA224.d @ 3:a5789a7b3b3b
Fixed error in hash copy() functions where I forgot to copy the length of the message. Now, twice as jank! =)
| author | Thomas Dixon <reikon@reikon.us> |
|---|---|
| date | Thu, 14 Aug 2008 01:13:26 -0400 |
| parents | 71aae178f89a |
| children | 5cb17e09d685 |
| rev | line source |
|---|---|
| 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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71aae178f89a
Added copy() to hash functions. Modified some code style.
Thomas Dixon <reikon@reikon.us>
parents:
0
diff
changeset
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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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71aae178f89a
Added copy() to hash functions. Modified some code style.
Thomas Dixon <reikon@reikon.us>
parents:
0
diff
changeset
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57 SHA224 copy() { |
|
71aae178f89a
Added copy() to hash functions. Modified some code style.
Thomas Dixon <reikon@reikon.us>
parents:
0
diff
changeset
|
58 SHA224 h = new SHA224(buffer[0..index]); |
|
3
a5789a7b3b3b
Fixed error in hash copy() functions where I forgot to copy the length of the message. Now, twice as jank! =)
Thomas Dixon <reikon@reikon.us>
parents:
2
diff
changeset
|
59 h.bytes = bytes; |
|
2
71aae178f89a
Added copy() to hash functions. Modified some code style.
Thomas Dixon <reikon@reikon.us>
parents:
0
diff
changeset
|
60 h.h0 = h0; |
|
71aae178f89a
Added copy() to hash functions. Modified some code style.
Thomas Dixon <reikon@reikon.us>
parents:
0
diff
changeset
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61 h.h1 = h1; |
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71aae178f89a
Added copy() to hash functions. Modified some code style.
Thomas Dixon <reikon@reikon.us>
parents:
0
diff
changeset
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62 h.h2 = h2; |
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71aae178f89a
Added copy() to hash functions. Modified some code style.
Thomas Dixon <reikon@reikon.us>
parents:
0
diff
changeset
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63 h.h3 = h3; |
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71aae178f89a
Added copy() to hash functions. Modified some code style.
Thomas Dixon <reikon@reikon.us>
parents:
0
diff
changeset
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64 h.h4 = h4; |
|
71aae178f89a
Added copy() to hash functions. Modified some code style.
Thomas Dixon <reikon@reikon.us>
parents:
0
diff
changeset
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65 h.h5 = h5; |
|
71aae178f89a
Added copy() to hash functions. Modified some code style.
Thomas Dixon <reikon@reikon.us>
parents:
0
diff
changeset
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66 h.h6 = h6; |
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71aae178f89a
Added copy() to hash functions. Modified some code style.
Thomas Dixon <reikon@reikon.us>
parents:
0
diff
changeset
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67 h.h7 = h7; |
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71aae178f89a
Added copy() to hash functions. Modified some code style.
Thomas Dixon <reikon@reikon.us>
parents:
0
diff
changeset
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68 return h; |
|
71aae178f89a
Added copy() to hash functions. Modified some code style.
Thomas Dixon <reikon@reikon.us>
parents:
0
diff
changeset
|
69 } |
|
71aae178f89a
Added copy() to hash functions. Modified some code style.
Thomas Dixon <reikon@reikon.us>
parents:
0
diff
changeset
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70 |
| 0 | 71 version (UnitTest) { |
| 72 unittest { | |
| 73 static const char[][] test_inputs = [ | |
| 74 "", | |
| 75 "abc", | |
| 76 "abcdbcdecdefdefgefghfghighijhijkijkljklmklmnlmnomnopnopq", | |
| 77 "a" | |
| 78 ]; | |
| 79 | |
| 80 static const int[] test_repeat = [ | |
| 81 1, 1, 1, 1000000 | |
| 82 ]; | |
| 83 | |
| 84 static const char[][] test_results = [ | |
| 85 "d14a028c2a3a2bc9476102bb288234c415a2b01f828ea62ac5b3e42f", | |
| 86 "23097d223405d8228642a477bda255b32aadbce4bda0b3f7e36c9da7", | |
| 87 "75388b16512776cc5dba5da1fd890150b0c6455cb4f58b1952522525", | |
| 88 "20794655980c91d8bbb4c1ea97618a4bf03f42581948b2ee4ee7ad67" | |
| 89 ]; | |
| 90 | |
| 91 SHA224 h = new SHA224(); | |
| 92 foreach (uint i, char[] input; test_inputs) { | |
| 93 for (int j = 0; j < test_repeat[i]; j++) | |
| 94 h.update(input); | |
| 95 char[] digest = h.hexDigest(); | |
| 96 assert(digest == test_results[i], | |
|
2
71aae178f89a
Added copy() to hash functions. Modified some code style.
Thomas Dixon <reikon@reikon.us>
parents:
0
diff
changeset
|
97 h.name~": ("~digest~") != ("~test_results[i]~")"); |
| 0 | 98 } |
| 99 } | |
| 100 } | |
| 101 } |