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annotate dcrypt/crypto/macs/HMAC.d @ 6:5cb17e09d685

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Minor edits to the unittests of hash functions and ciphers. Added AES and test vectors.
author Thomas Dixon <reikon@reikon.us>
date Sat, 16 Aug 2008 22:43:22 -0400
parents 3de3a2de13a0
children 5ce3012f1def
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4
3de3a2de13a0 Added MAC base class and HMAC. Added StreamCipherWrapper as part of the work on the high-level cipher API. Running on fumes, so hopefully there isn't too much stupid mixed into the code.
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1 /**
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2 * This file is part of the dcrypt project.
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3 *
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4 * Copyright: Copyright (C) dcrypt contributors 2008. All rights reserved.
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5 * License: MIT
3de3a2de13a0 Added MAC base class and HMAC. Added StreamCipherWrapper as part of the work on the high-level cipher API. Running on fumes, so hopefully there isn't too much stupid mixed into the code.
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6 * Authors: Thomas Dixon
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7 */
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8
3de3a2de13a0 Added MAC base class and HMAC. Added StreamCipherWrapper as part of the work on the high-level cipher API. Running on fumes, so hopefully there isn't too much stupid mixed into the code.
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9 module dcrypt.crypto.macs.HMAC;
3de3a2de13a0 Added MAC base class and HMAC. Added StreamCipherWrapper as part of the work on the high-level cipher API. Running on fumes, so hopefully there isn't too much stupid mixed into the code.
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10
3de3a2de13a0 Added MAC base class and HMAC. Added StreamCipherWrapper as part of the work on the high-level cipher API. Running on fumes, so hopefully there isn't too much stupid mixed into the code.
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11 import dcrypt.crypto.MAC;
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12 import dcrypt.crypto.Hash;
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13 import dcrypt.crypto.params.SymmetricKey;
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14 import dcrypt.crypto.errors.NotInitializedError;
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15
3de3a2de13a0 Added MAC base class and HMAC. Added StreamCipherWrapper as part of the work on the high-level cipher API. Running on fumes, so hopefully there isn't too much stupid mixed into the code.
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16 version (UnitTest) {
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17 import dcrypt.crypto.hashes.SHA1;
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18 }
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19
6
5cb17e09d685 Minor edits to the unittests of hash functions and ciphers. Added AES and test vectors.
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20 /**
5cb17e09d685 Minor edits to the unittests of hash functions and ciphers. Added AES and test vectors.
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21 * Implementation of Keyed-Hash Message Authentication Code (HMAC)
5cb17e09d685 Minor edits to the unittests of hash functions and ciphers. Added AES and test vectors.
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22 *
5cb17e09d685 Minor edits to the unittests of hash functions and ciphers. Added AES and test vectors.
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23 * Conforms: RFC 2104
5cb17e09d685 Minor edits to the unittests of hash functions and ciphers. Added AES and test vectors.
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24 * References: http://www.faqs.org/rfcs/rfc2104.html
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25 */
4
3de3a2de13a0 Added MAC base class and HMAC. Added StreamCipherWrapper as part of the work on the high-level cipher API. Running on fumes, so hopefully there isn't too much stupid mixed into the code.
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26 class HMAC : MAC {
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27 private {
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28 ubyte[] ipad, opad, key;
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29 Hash inner, outer;
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30 bool initialized;
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31 }
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32
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33 this (Hash hash, void[] key=null) {
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34 hash.reset();
3de3a2de13a0 Added MAC base class and HMAC. Added StreamCipherWrapper as part of the work on the high-level cipher API. Running on fumes, so hopefully there isn't too much stupid mixed into the code.
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35
3de3a2de13a0 Added MAC base class and HMAC. Added StreamCipherWrapper as part of the work on the high-level cipher API. Running on fumes, so hopefully there isn't too much stupid mixed into the code.
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36 inner = hash;
3de3a2de13a0 Added MAC base class and HMAC. Added StreamCipherWrapper as part of the work on the high-level cipher API. Running on fumes, so hopefully there isn't too much stupid mixed into the code.
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37 outer = hash.copy();
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38
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39 ipad = new ubyte[blockSize];
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40 opad = new ubyte[blockSize];
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41
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42 reset();
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43
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44 if (key)
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45 init(new SymmetricKey(key)); // I'm lazy.
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46 }
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47
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48 void init(CipherParameters params) {
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49 SymmetricKey keyParams = cast(SymmetricKey)params;
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50 if (!keyParams)
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51 throw new InvalidParameterError(
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52 name()~": Invalid parameter passed to init");
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53
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54 if (keyParams.key.length > blockSize) {
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55 inner.update(keyParams.key);
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56 key = inner.digest();
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57 } else
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58 key = keyParams.key;
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59
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60 foreach (uint i, ubyte j; key) {
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61 ipad[i] ^= j;
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62 opad[i] ^= j;
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63 }
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64
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65 inner.update(ipad);
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66 outer.update(opad);
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67
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68 initialized = true;
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69 }
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70
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71 void update(void[] input_) {
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72 if (!initialized)
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73 throw new NotInitializedError(
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74 name()~": MAC not initialized.");
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75 inner.update(input_);
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76 }
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77
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78 char[] name() {
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79 return inner.name~"/HMAC";
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80 }
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81
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82 void reset() {
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83 ipad[] = 0x36;
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84 opad[] = 0x5c;
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85
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86 inner.reset();
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87 outer.reset();
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88 }
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89
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90 uint blockSize() {
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91 return inner.blockSize;
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92 }
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93
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94 uint macSize() {
3de3a2de13a0 Added MAC base class and HMAC. Added StreamCipherWrapper as part of the work on the high-level cipher API. Running on fumes, so hopefully there isn't too much stupid mixed into the code.
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95 return inner.digestSize;
3de3a2de13a0 Added MAC base class and HMAC. Added StreamCipherWrapper as part of the work on the high-level cipher API. Running on fumes, so hopefully there isn't too much stupid mixed into the code.
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96 }
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97
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98 ubyte[] finish() {
3de3a2de13a0 Added MAC base class and HMAC. Added StreamCipherWrapper as part of the work on the high-level cipher API. Running on fumes, so hopefully there isn't too much stupid mixed into the code.
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99 outer.update(inner.digest());
3de3a2de13a0 Added MAC base class and HMAC. Added StreamCipherWrapper as part of the work on the high-level cipher API. Running on fumes, so hopefully there isn't too much stupid mixed into the code.
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100 ubyte[] r = outer.digest();
3de3a2de13a0 Added MAC base class and HMAC. Added StreamCipherWrapper as part of the work on the high-level cipher API. Running on fumes, so hopefully there isn't too much stupid mixed into the code.
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101 reset();
3de3a2de13a0 Added MAC base class and HMAC. Added StreamCipherWrapper as part of the work on the high-level cipher API. Running on fumes, so hopefully there isn't too much stupid mixed into the code.
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102 return r;
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103 }
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104
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105 char[] hexFinish() {
3de3a2de13a0 Added MAC base class and HMAC. Added StreamCipherWrapper as part of the work on the high-level cipher API. Running on fumes, so hopefully there isn't too much stupid mixed into the code.
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106 return Util.ubytesToHex(finish());
3de3a2de13a0 Added MAC base class and HMAC. Added StreamCipherWrapper as part of the work on the high-level cipher API. Running on fumes, so hopefully there isn't too much stupid mixed into the code.
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107 }
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108
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109 HMAC copy() {
3de3a2de13a0 Added MAC base class and HMAC. Added StreamCipherWrapper as part of the work on the high-level cipher API. Running on fumes, so hopefully there isn't too much stupid mixed into the code.
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110 // Ghetto... oh so ghetto :\
3de3a2de13a0 Added MAC base class and HMAC. Added StreamCipherWrapper as part of the work on the high-level cipher API. Running on fumes, so hopefully there isn't too much stupid mixed into the code.
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111 HMAC h = new HMAC(inner.copy());
3de3a2de13a0 Added MAC base class and HMAC. Added StreamCipherWrapper as part of the work on the high-level cipher API. Running on fumes, so hopefully there isn't too much stupid mixed into the code.
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112 h.inner = inner.copy();
3de3a2de13a0 Added MAC base class and HMAC. Added StreamCipherWrapper as part of the work on the high-level cipher API. Running on fumes, so hopefully there isn't too much stupid mixed into the code.
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113 h.outer = outer.copy();
3de3a2de13a0 Added MAC base class and HMAC. Added StreamCipherWrapper as part of the work on the high-level cipher API. Running on fumes, so hopefully there isn't too much stupid mixed into the code.
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114 h.initialized = true;
3de3a2de13a0 Added MAC base class and HMAC. Added StreamCipherWrapper as part of the work on the high-level cipher API. Running on fumes, so hopefully there isn't too much stupid mixed into the code.
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115 return h;
3de3a2de13a0 Added MAC base class and HMAC. Added StreamCipherWrapper as part of the work on the high-level cipher API. Running on fumes, so hopefully there isn't too much stupid mixed into the code.
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116 }
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117
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118 version (UnitTest) {
3de3a2de13a0 Added MAC base class and HMAC. Added StreamCipherWrapper as part of the work on the high-level cipher API. Running on fumes, so hopefully there isn't too much stupid mixed into the code.
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119 unittest {
3de3a2de13a0 Added MAC base class and HMAC. Added StreamCipherWrapper as part of the work on the high-level cipher API. Running on fumes, so hopefully there isn't too much stupid mixed into the code.
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120 static char[][] test_keys = [
3de3a2de13a0 Added MAC base class and HMAC. Added StreamCipherWrapper as part of the work on the high-level cipher API. Running on fumes, so hopefully there isn't too much stupid mixed into the code.
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121 "0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b",
3de3a2de13a0 Added MAC base class and HMAC. Added StreamCipherWrapper as part of the work on the high-level cipher API. Running on fumes, so hopefully there isn't too much stupid mixed into the code.
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122 "4a656665", // Jefe?
3de3a2de13a0 Added MAC base class and HMAC. Added StreamCipherWrapper as part of the work on the high-level cipher API. Running on fumes, so hopefully there isn't too much stupid mixed into the code.
Thomas Dixon <reikon@reikon.us>
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123 "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa",
3de3a2de13a0 Added MAC base class and HMAC. Added StreamCipherWrapper as part of the work on the high-level cipher API. Running on fumes, so hopefully there isn't too much stupid mixed into the code.
Thomas Dixon <reikon@reikon.us>
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124 "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa"~
3de3a2de13a0 Added MAC base class and HMAC. Added StreamCipherWrapper as part of the work on the high-level cipher API. Running on fumes, so hopefully there isn't too much stupid mixed into the code.
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125 "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa"~
3de3a2de13a0 Added MAC base class and HMAC. Added StreamCipherWrapper as part of the work on the high-level cipher API. Running on fumes, so hopefully there isn't too much stupid mixed into the code.
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126 "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa"~
3de3a2de13a0 Added MAC base class and HMAC. Added StreamCipherWrapper as part of the work on the high-level cipher API. Running on fumes, so hopefully there isn't too much stupid mixed into the code.
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127 "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa"
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128 ];
3de3a2de13a0 Added MAC base class and HMAC. Added StreamCipherWrapper as part of the work on the high-level cipher API. Running on fumes, so hopefully there isn't too much stupid mixed into the code.
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129
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130 static char[][] test_inputs = [
3de3a2de13a0 Added MAC base class and HMAC. Added StreamCipherWrapper as part of the work on the high-level cipher API. Running on fumes, so hopefully there isn't too much stupid mixed into the code.
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131 "4869205468657265",
3de3a2de13a0 Added MAC base class and HMAC. Added StreamCipherWrapper as part of the work on the high-level cipher API. Running on fumes, so hopefully there isn't too much stupid mixed into the code.
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132 "7768617420646f2079612077616e7420666f72206e6f7468696e673f",
3de3a2de13a0 Added MAC base class and HMAC. Added StreamCipherWrapper as part of the work on the high-level cipher API. Running on fumes, so hopefully there isn't too much stupid mixed into the code.
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133 "dd",
3de3a2de13a0 Added MAC base class and HMAC. Added StreamCipherWrapper as part of the work on the high-level cipher API. Running on fumes, so hopefully there isn't too much stupid mixed into the code.
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134 "54657374205573696e67204c6172676572205468616e20426c6f63"~
3de3a2de13a0 Added MAC base class and HMAC. Added StreamCipherWrapper as part of the work on the high-level cipher API. Running on fumes, so hopefully there isn't too much stupid mixed into the code.
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135 "6b2d53697a65204b6579202d2048617368204b6579204669727374"
3de3a2de13a0 Added MAC base class and HMAC. Added StreamCipherWrapper as part of the work on the high-level cipher API. Running on fumes, so hopefully there isn't too much stupid mixed into the code.
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136 ];
3de3a2de13a0 Added MAC base class and HMAC. Added StreamCipherWrapper as part of the work on the high-level cipher API. Running on fumes, so hopefully there isn't too much stupid mixed into the code.
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137
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138 static const int[] test_repeat = [
3de3a2de13a0 Added MAC base class and HMAC. Added StreamCipherWrapper as part of the work on the high-level cipher API. Running on fumes, so hopefully there isn't too much stupid mixed into the code.
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139 1, 1, 50, 1
3de3a2de13a0 Added MAC base class and HMAC. Added StreamCipherWrapper as part of the work on the high-level cipher API. Running on fumes, so hopefully there isn't too much stupid mixed into the code.
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140 ];
3de3a2de13a0 Added MAC base class and HMAC. Added StreamCipherWrapper as part of the work on the high-level cipher API. Running on fumes, so hopefully there isn't too much stupid mixed into the code.
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141
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142 static const char[][] test_results = [
3de3a2de13a0 Added MAC base class and HMAC. Added StreamCipherWrapper as part of the work on the high-level cipher API. Running on fumes, so hopefully there isn't too much stupid mixed into the code.
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143 "b617318655057264e28bc0b6fb378c8ef146be00",
3de3a2de13a0 Added MAC base class and HMAC. Added StreamCipherWrapper as part of the work on the high-level cipher API. Running on fumes, so hopefully there isn't too much stupid mixed into the code.
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144 "effcdf6ae5eb2fa2d27416d5f184df9c259a7c79",
3de3a2de13a0 Added MAC base class and HMAC. Added StreamCipherWrapper as part of the work on the high-level cipher API. Running on fumes, so hopefully there isn't too much stupid mixed into the code.
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145 "125d7342b9ac11cd91a39af48aa17b4f63f175d3",
3de3a2de13a0 Added MAC base class and HMAC. Added StreamCipherWrapper as part of the work on the high-level cipher API. Running on fumes, so hopefully there isn't too much stupid mixed into the code.
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146 "aa4ae5e15272d00e95705637ce8a3b55ed402112"
3de3a2de13a0 Added MAC base class and HMAC. Added StreamCipherWrapper as part of the work on the high-level cipher API. Running on fumes, so hopefully there isn't too much stupid mixed into the code.
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147 ];
3de3a2de13a0 Added MAC base class and HMAC. Added StreamCipherWrapper as part of the work on the high-level cipher API. Running on fumes, so hopefully there isn't too much stupid mixed into the code.
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148
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149 HMAC h = new HMAC(new SHA1());
3de3a2de13a0 Added MAC base class and HMAC. Added StreamCipherWrapper as part of the work on the high-level cipher API. Running on fumes, so hopefully there isn't too much stupid mixed into the code.
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150 foreach (uint i, char[] k; test_keys) {
3de3a2de13a0 Added MAC base class and HMAC. Added StreamCipherWrapper as part of the work on the high-level cipher API. Running on fumes, so hopefully there isn't too much stupid mixed into the code.
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151 h.init(new SymmetricKey(Util.hexToUbytes(k)));
3de3a2de13a0 Added MAC base class and HMAC. Added StreamCipherWrapper as part of the work on the high-level cipher API. Running on fumes, so hopefully there isn't too much stupid mixed into the code.
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152 for (int j = 0; j < test_repeat[i]; j++)
3de3a2de13a0 Added MAC base class and HMAC. Added StreamCipherWrapper as part of the work on the high-level cipher API. Running on fumes, so hopefully there isn't too much stupid mixed into the code.
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153 h.update(Util.hexToUbytes(test_inputs[i]));
3de3a2de13a0 Added MAC base class and HMAC. Added StreamCipherWrapper as part of the work on the high-level cipher API. Running on fumes, so hopefully there isn't too much stupid mixed into the code.
Thomas Dixon <reikon@reikon.us>
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154 char[] mac = h.hexFinish();
3de3a2de13a0 Added MAC base class and HMAC. Added StreamCipherWrapper as part of the work on the high-level cipher API. Running on fumes, so hopefully there isn't too much stupid mixed into the code.
Thomas Dixon <reikon@reikon.us>
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155 assert(mac == test_results[i],
3de3a2de13a0 Added MAC base class and HMAC. Added StreamCipherWrapper as part of the work on the high-level cipher API. Running on fumes, so hopefully there isn't too much stupid mixed into the code.
Thomas Dixon <reikon@reikon.us>
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156 h.name~": ("~mac~") != ("~test_results[i]~")");
3de3a2de13a0 Added MAC base class and HMAC. Added StreamCipherWrapper as part of the work on the high-level cipher API. Running on fumes, so hopefully there isn't too much stupid mixed into the code.
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157 }
3de3a2de13a0 Added MAC base class and HMAC. Added StreamCipherWrapper as part of the work on the high-level cipher API. Running on fumes, so hopefully there isn't too much stupid mixed into the code.
Thomas Dixon <reikon@reikon.us>
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158 }
3de3a2de13a0 Added MAC base class and HMAC. Added StreamCipherWrapper as part of the work on the high-level cipher API. Running on fumes, so hopefully there isn't too much stupid mixed into the code.
Thomas Dixon <reikon@reikon.us>
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159 }
3de3a2de13a0 Added MAC base class and HMAC. Added StreamCipherWrapper as part of the work on the high-level cipher API. Running on fumes, so hopefully there isn't too much stupid mixed into the code.
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160 }