1
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var Buffer = require('safe-buffer').Buffer
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2
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var CipherBase = require('./')
|
3
|
|
4
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var test = require('tape')
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5
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var inherits = require('inherits')
|
6
|
|
7
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test('basic version', function (t) {
|
8
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function Cipher () {
|
9
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CipherBase.call(this)
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10
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}
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11
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inherits(Cipher, CipherBase)
|
12
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Cipher.prototype._update = function (input) {
|
13
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t.ok(Buffer.isBuffer(input))
|
14
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return input
|
15
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}
|
16
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Cipher.prototype._final = function () {
|
17
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// noop
|
18
|
}
|
19
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var cipher = new Cipher()
|
20
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var utf8 = 'abc123abcd'
|
21
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var update = cipher.update(utf8, 'utf8', 'base64') + cipher.final('base64')
|
22
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var string = (Buffer.from(update, 'base64')).toString()
|
23
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t.equals(utf8, string)
|
24
|
t.end()
|
25
|
})
|
26
|
test('hash mode', function (t) {
|
27
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function Cipher () {
|
28
|
CipherBase.call(this, 'finalName')
|
29
|
this._cache = []
|
30
|
}
|
31
|
inherits(Cipher, CipherBase)
|
32
|
Cipher.prototype._update = function (input) {
|
33
|
t.ok(Buffer.isBuffer(input))
|
34
|
this._cache.push(input)
|
35
|
}
|
36
|
Cipher.prototype._final = function () {
|
37
|
return Buffer.concat(this._cache)
|
38
|
}
|
39
|
var cipher = new Cipher()
|
40
|
var utf8 = 'abc123abcd'
|
41
|
var update = cipher.update(utf8, 'utf8').finalName('base64')
|
42
|
var string = (Buffer.from(update, 'base64')).toString()
|
43
|
|
44
|
t.equals(utf8, string)
|
45
|
t.end()
|
46
|
})
|
47
|
test('hash mode as stream', function (t) {
|
48
|
function Cipher () {
|
49
|
CipherBase.call(this, 'finalName')
|
50
|
this._cache = []
|
51
|
}
|
52
|
inherits(Cipher, CipherBase)
|
53
|
Cipher.prototype._update = function (input) {
|
54
|
t.ok(Buffer.isBuffer(input))
|
55
|
this._cache.push(input)
|
56
|
}
|
57
|
Cipher.prototype._final = function () {
|
58
|
return Buffer.concat(this._cache)
|
59
|
}
|
60
|
var cipher = new Cipher()
|
61
|
cipher.on('error', function (e) {
|
62
|
t.notOk(e)
|
63
|
})
|
64
|
var utf8 = 'abc123abcd'
|
65
|
cipher.end(utf8, 'utf8')
|
66
|
var update = cipher.read().toString('base64')
|
67
|
var string = (Buffer.from(update, 'base64')).toString()
|
68
|
|
69
|
t.equals(utf8, string)
|
70
|
t.end()
|
71
|
})
|
72
|
|
73
|
test('encodings', function (t) {
|
74
|
inherits(Cipher, CipherBase)
|
75
|
function Cipher () {
|
76
|
CipherBase.call(this)
|
77
|
}
|
78
|
Cipher.prototype._update = function (input) {
|
79
|
return input
|
80
|
}
|
81
|
Cipher.prototype._final = function () {
|
82
|
// noop
|
83
|
}
|
84
|
t.test('mix and match encoding', function (t) {
|
85
|
t.plan(2)
|
86
|
|
87
|
var cipher = new Cipher()
|
88
|
cipher.update('foo', 'utf8', 'utf8')
|
89
|
t.throws(function () {
|
90
|
cipher.update('foo', 'utf8', 'base64')
|
91
|
})
|
92
|
cipher = new Cipher()
|
93
|
cipher.update('foo', 'utf8', 'base64')
|
94
|
t.doesNotThrow(function () {
|
95
|
cipher.update('foo', 'utf8')
|
96
|
cipher.final('base64')
|
97
|
})
|
98
|
})
|
99
|
t.test('handle long uft8 plaintexts', function (t) {
|
100
|
t.plan(1)
|
101
|
var txt = 'ふっかつ あきる すぶり はやい つける まゆげ たんさん みんぞく ねほりはほり せまい たいまつばな ひはん'
|
102
|
|
103
|
var cipher = new Cipher()
|
104
|
var decipher = new Cipher()
|
105
|
var enc = decipher.update(cipher.update(txt, 'utf8', 'base64'), 'base64', 'utf8')
|
106
|
enc += decipher.update(cipher.final('base64'), 'base64', 'utf8')
|
107
|
enc += decipher.final('utf8')
|
108
|
|
109
|
t.equals(txt, enc)
|
110
|
})
|
111
|
})
|