1 | var test = require('tape')
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2 | var blake2b = require('.')
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3 | var vectors = require('./test-vectors.json')
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4 |
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5 | setup()
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6 | test('wait for ready', function (assert) {
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7 | blake2b.ready(function () {
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8 | assert.end()
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9 | })
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10 | })
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11 | setup()
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12 |
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13 | function setup () {
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14 | test('vectors', function (assert) {
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15 | vectors.forEach(function (v) {
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16 | var out = new Uint8Array(v.outlen)
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17 | var input = hexWrite(new Uint8Array(v.input.length / 2), v.input)
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18 | var key = v.key.length === 0 ? null : hexWrite(new Uint8Array(v.key.length / 2), v.key)
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19 | var salt = v.salt.length === 0 ? null : hexWrite(new Uint8Array(v.salt.length / 2), v.salt)
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20 | var personal = v.personal.length === 0 ? null : hexWrite(new Uint8Array(v.personal.length / 2), v.personal)
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21 |
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22 | var expected = Buffer.from(hexWrite(new Uint8Array(v.out.length / 2), v.out))
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23 | var actual = Buffer.from(blake2b(out.length, key, salt, personal, true).update(input).digest(out))
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24 |
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25 | assert.deepEquals(actual, expected)
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26 | })
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27 | assert.end()
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28 | })
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29 |
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30 | test('works with buffers', function (assert) {
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31 | var vector = vectors.slice(-1)[0]
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32 |
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33 | var out = Buffer.allocUnsafe(vector.outlen)
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34 | var input = Buffer.from(vector.input, 'hex')
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35 | var key = Buffer.from(vector.key, 'hex')
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36 | var salt = Buffer.from(vector.salt, 'hex')
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37 | var personal = Buffer.from(vector.personal, 'hex')
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38 |
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39 | var expected = Buffer.from(vector.out, 'hex')
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40 | var actual = blake2b(out.length, key, salt, personal).update(input).digest(out)
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41 |
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42 | assert.deepEquals(actual, expected)
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43 | assert.end()
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44 | })
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45 |
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46 | test('streaming', function (t) {
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47 | var isntance = blake2b(blake2b.BYTES)
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48 | var buf = new Buffer('Hej, Verden')
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49 |
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50 | for (var i = 0; i < 10; i++) isntance.update(buf)
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51 |
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52 | var out = Buffer.alloc(blake2b.BYTES)
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53 | isntance.digest(out)
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54 |
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55 | t.same(out.toString('hex'), 'cbc20f347f5dfe37dc13231cbf7eaa4ec48e585ec055a96839b213f62bd8ce00', 'streaming hash')
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56 | t.end()
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57 | })
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58 |
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59 | test('streaming with key', function (t) {
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60 | var key = Buffer.alloc(blake2b.KEYBYTES)
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61 | key.fill('lo')
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62 |
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63 | var instance = blake2b(blake2b.BYTES, key)
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64 | var buf = new Buffer('Hej, Verden')
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65 |
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66 | for (var i = 0; i < 10; i++) instance.update(buf)
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67 |
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68 | var out = Buffer.alloc(blake2b.BYTES)
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69 | instance.digest(out)
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70 |
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71 | t.same(out.toString('hex'), '405f14acbeeb30396b8030f78e6a84bab0acf08cb1376aa200a500f669f675dc', 'streaming keyed hash')
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72 | t.end()
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73 | })
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74 |
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75 | test('streaming with hash length', function (t) {
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76 | var isntance = blake2b(blake2b.BYTES_MIN)
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77 | var buf = new Buffer('Hej, Verden')
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78 |
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79 | for (var i = 0; i < 10; i++) isntance.update(buf)
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80 |
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81 | var out = Buffer.alloc(blake2b.BYTES_MIN)
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82 | isntance.digest(out)
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83 |
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84 | t.same(out.toString('hex'), 'decacdcc3c61948c79d9f8dee5b6aa99', 'streaming short hash')
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85 | t.end()
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86 | })
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87 |
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88 | test('streaming with key and hash length', function (t) {
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89 | var key = Buffer.alloc(blake2b.KEYBYTES)
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90 | key.fill('lo')
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91 |
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92 | var instance = blake2b(blake2b.BYTES_MIN, key)
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93 | var buf = new Buffer('Hej, Verden')
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94 |
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95 | for (var i = 0; i < 10; i++) instance.update(buf)
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96 |
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97 | var out = Buffer.alloc(blake2b.BYTES_MIN)
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98 | instance.digest(out)
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99 |
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100 | t.same(out.toString('hex'), 'fb43f0ab6872cbfd39ec4f8a1bc6fb37', 'streaming short keyed hash')
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101 | t.end()
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102 | })
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103 | }
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104 |
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105 | function hexWrite (buf, string) {
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106 |
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107 | var strLen = string.length
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108 | if (strLen % 2 !== 0) throw new TypeError('Invalid hex string')
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109 |
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110 | for (var i = 0; i < strLen / 2; ++i) {
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111 | var parsed = parseInt(string.substr(i * 2, 2), 16)
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112 | if (Number.isNaN(parsed)) throw new Error('Invalid byte')
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113 | buf[i] = parsed
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114 | }
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115 | return buf
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116 | }
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