1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
|
'use strict';
var common = require('../common');
var assert = require('assert');
if (!common.hasCrypto) {
console.log('1..0 # Skipped: missing crypto');
return;
}
var crypto = require('crypto');
crypto.DEFAULT_ENCODING = 'buffer';
//
// Test authenticated encryption modes.
//
// !NEVER USE STATIC IVs IN REAL LIFE!
//
var TEST_CASES = [
{ algo: 'aes-128-gcm',
key: '6970787039613669314d623455536234',
iv: '583673497131313748307652', plain: 'Hello World!',
ct: '4BE13896F64DFA2C2D0F2C76',
tag: '272B422F62EB545EAA15B5FF84092447', tampered: false },
{ algo: 'aes-128-gcm',
key: '6970787039613669314d623455536234',
iv: '583673497131313748307652', plain: 'Hello World!',
ct: '4BE13896F64DFA2C2D0F2C76', aad: '000000FF',
tag: 'BA2479F66275665A88CB7B15F43EB005', tampered: false },
{ algo: 'aes-128-gcm',
key: '6970787039613669314d623455536234',
iv: '583673497131313748307652', plain: 'Hello World!',
ct: '4BE13596F64DFA2C2D0FAC76',
tag: '272B422F62EB545EAA15B5FF84092447', tampered: true },
{ algo: 'aes-256-gcm',
key: '337a54767a7233703637564336316a6d56353472495975313534357834546c59',
iv: '36306950306836764a6f4561', plain: 'Hello node.js world!',
ct: '58E62CFE7B1D274111A82267EBB93866E72B6C2A',
tag: '9BB44F663BADABACAE9720881FB1EC7A', tampered: false },
{ algo: 'aes-256-gcm',
key: '337a54767a7233703637564336316a6d56353472495975313534357834546c59',
iv: '36306950306836764a6f4561', plain: 'Hello node.js world!',
ct: '58E62CFF7B1D274011A82267EBB93866E72B6C2B',
tag: '9BB44F663BADABACAE9720881FB1EC7A', tampered: true },
{ algo: 'aes-192-gcm',
key: '1ed2233fa2223ef5d7df08546049406c7305220bca40d4c9',
iv: '0e1791e9db3bd21a9122c416', plain: 'Hello node.js world!',
password: 'very bad password', aad: '63616c76696e',
ct: 'DDA53A4059AA17B88756984995F7BBA3C636CC44',
tag: 'D2A35E5C611E5E3D2258360241C5B045', tampered: false }
];
var ciphers = crypto.getCiphers();
for (var i in TEST_CASES) {
var test = TEST_CASES[i];
if (ciphers.indexOf(test.algo) == -1) {
console.log('1..0 # Skipped: unsupported ' + test.algo + ' test');
continue;
}
(function() {
var encrypt = crypto.createCipheriv(test.algo,
new Buffer(test.key, 'hex'), new Buffer(test.iv, 'hex'));
if (test.aad)
encrypt.setAAD(new Buffer(test.aad, 'hex'));
var hex = encrypt.update(test.plain, 'ascii', 'hex');
hex += encrypt.final('hex');
var auth_tag = encrypt.getAuthTag();
// only test basic encryption run if output is marked as tampered.
if (!test.tampered) {
assert.equal(hex.toUpperCase(), test.ct);
assert.equal(auth_tag.toString('hex').toUpperCase(), test.tag);
}
})();
(function() {
var decrypt = crypto.createDecipheriv(test.algo,
new Buffer(test.key, 'hex'), new Buffer(test.iv, 'hex'));
decrypt.setAuthTag(new Buffer(test.tag, 'hex'));
if (test.aad)
decrypt.setAAD(new Buffer(test.aad, 'hex'));
var msg = decrypt.update(test.ct, 'hex', 'ascii');
if (!test.tampered) {
msg += decrypt.final('ascii');
assert.equal(msg, test.plain);
} else {
// assert that final throws if input data could not be verified!
assert.throws(function() { decrypt.final('ascii'); }, / auth/);
}
})();
(function() {
if (!test.password) return;
if (common.hasFipsCrypto) {
assert.throws(function()
{ crypto.createCipher(test.algo, test.password); },
/not supported in FIPS mode/);
} else {
var encrypt = crypto.createCipher(test.algo, test.password);
if (test.aad)
encrypt.setAAD(new Buffer(test.aad, 'hex'));
var hex = encrypt.update(test.plain, 'ascii', 'hex');
hex += encrypt.final('hex');
var auth_tag = encrypt.getAuthTag();
// only test basic encryption run if output is marked as tampered.
if (!test.tampered) {
assert.equal(hex.toUpperCase(), test.ct);
assert.equal(auth_tag.toString('hex').toUpperCase(), test.tag);
}
}
})();
(function() {
if (!test.password) return;
if (common.hasFipsCrypto) {
assert.throws(function()
{ crypto.createDecipher(test.algo, test.password); },
/not supported in FIPS mode/);
} else {
var decrypt = crypto.createDecipher(test.algo, test.password);
decrypt.setAuthTag(new Buffer(test.tag, 'hex'));
if (test.aad)
decrypt.setAAD(new Buffer(test.aad, 'hex'));
var msg = decrypt.update(test.ct, 'hex', 'ascii');
if (!test.tampered) {
msg += decrypt.final('ascii');
assert.equal(msg, test.plain);
} else {
// assert that final throws if input data could not be verified!
assert.throws(function() { decrypt.final('ascii'); }, / auth/);
}
}
})();
// after normal operation, test some incorrect ways of calling the API:
// it's most certainly enough to run these tests with one algorithm only.
if (i > 0) {
continue;
}
(function() {
// non-authenticating mode:
var encrypt = crypto.createCipheriv('aes-128-cbc',
'ipxp9a6i1Mb4USb4', '6fKjEjR3Vl30EUYC');
encrypt.update('blah', 'ascii');
encrypt.final();
assert.throws(function() { encrypt.getAuthTag(); }, / state/);
assert.throws(function() {
encrypt.setAAD(new Buffer('123', 'ascii')); }, / state/);
})();
(function() {
// trying to get tag before inputting all data:
var encrypt = crypto.createCipheriv(test.algo,
new Buffer(test.key, 'hex'), new Buffer(test.iv, 'hex'));
encrypt.update('blah', 'ascii');
assert.throws(function() { encrypt.getAuthTag(); }, / state/);
})();
(function() {
// trying to set tag on encryption object:
var encrypt = crypto.createCipheriv(test.algo,
new Buffer(test.key, 'hex'), new Buffer(test.iv, 'hex'));
assert.throws(function() {
encrypt.setAuthTag(new Buffer(test.tag, 'hex')); }, / state/);
})();
(function() {
// trying to read tag from decryption object:
var decrypt = crypto.createDecipheriv(test.algo,
new Buffer(test.key, 'hex'), new Buffer(test.iv, 'hex'));
assert.throws(function() { decrypt.getAuthTag(); }, / state/);
})();
}
|
