1 var common = require('../common');
2 var assert = require('assert');
4 if (!common.hasCrypto) {
5 console.log('1..0 # Skipped: missing crypto');
8 var crypto = require('crypto');
10 crypto.DEFAULT_ENCODING = 'buffer';
13 // Test authenticated encryption modes.
15 // !NEVER USE STATIC IVs IN REAL LIFE!
19 { algo: 'aes-128-gcm', key: '6970787039613669314d623455536234',
20 iv: '583673497131313748307652', plain: 'Hello World!',
21 ct: '4BE13896F64DFA2C2D0F2C76',
22 tag: '272B422F62EB545EAA15B5FF84092447', tampered: false },
23 { algo: 'aes-128-gcm', key: '6970787039613669314d623455536234',
24 iv: '583673497131313748307652', plain: 'Hello World!',
25 ct: '4BE13896F64DFA2C2D0F2C76', aad: '000000FF',
26 tag: 'BA2479F66275665A88CB7B15F43EB005', tampered: false },
27 { algo: 'aes-128-gcm', key: '6970787039613669314d623455536234',
28 iv: '583673497131313748307652', plain: 'Hello World!',
29 ct: '4BE13596F64DFA2C2D0FAC76',
30 tag: '272B422F62EB545EAA15B5FF84092447', tampered: true },
31 { algo: 'aes-256-gcm', key: '337a54767a7233703637564336316a6d56353472495975313534357834546c59',
32 iv: '36306950306836764a6f4561', plain: 'Hello node.js world!',
33 ct: '58E62CFE7B1D274111A82267EBB93866E72B6C2A',
34 tag: '9BB44F663BADABACAE9720881FB1EC7A', tampered: false },
35 { algo: 'aes-256-gcm', key: '337a54767a7233703637564336316a6d56353472495975313534357834546c59',
36 iv: '36306950306836764a6f4561', plain: 'Hello node.js world!',
37 ct: '58E62CFF7B1D274011A82267EBB93866E72B6C2B',
38 tag: '9BB44F663BADABACAE9720881FB1EC7A', tampered: true },
39 { algo: 'aes-192-gcm', key: '1ed2233fa2223ef5d7df08546049406c7305220bca40d4c9',
40 iv: '0e1791e9db3bd21a9122c416', plain: 'Hello node.js world!',
41 password: 'very bad password', aad: '63616c76696e',
42 ct: 'DDA53A4059AA17B88756984995F7BBA3C636CC44',
43 tag: 'D2A35E5C611E5E3D2258360241C5B045', tampered: false }
46 var ciphers = crypto.getCiphers();
48 for (var i in TEST_CASES) {
49 var test = TEST_CASES[i];
51 if (ciphers.indexOf(test.algo) == -1) {
52 console.log('skipping unsupported ' + test.algo + ' test');
57 var encrypt = crypto.createCipheriv(test.algo,
58 new Buffer(test.key, 'hex'), new Buffer(test.iv, 'hex'));
60 encrypt.setAAD(new Buffer(test.aad, 'hex'));
61 var hex = encrypt.update(test.plain, 'ascii', 'hex');
62 hex += encrypt.final('hex');
63 var auth_tag = encrypt.getAuthTag();
64 // only test basic encryption run if output is marked as tampered.
66 assert.equal(hex.toUpperCase(), test.ct);
67 assert.equal(auth_tag.toString('hex').toUpperCase(), test.tag);
72 var decrypt = crypto.createDecipheriv(test.algo,
73 new Buffer(test.key, 'hex'), new Buffer(test.iv, 'hex'));
74 decrypt.setAuthTag(new Buffer(test.tag, 'hex'));
76 decrypt.setAAD(new Buffer(test.aad, 'hex'));
77 var msg = decrypt.update(test.ct, 'hex', 'ascii');
79 msg += decrypt.final('ascii');
80 assert.equal(msg, test.plain);
82 // assert that final throws if input data could not be verified!
83 assert.throws(function() { decrypt.final('ascii'); }, / auth/);
88 if (!test.password) return;
89 var encrypt = crypto.createCipher(test.algo, test.password);
91 encrypt.setAAD(new Buffer(test.aad, 'hex'));
92 var hex = encrypt.update(test.plain, 'ascii', 'hex');
93 hex += encrypt.final('hex');
94 var auth_tag = encrypt.getAuthTag();
95 // only test basic encryption run if output is marked as tampered.
97 assert.equal(hex.toUpperCase(), test.ct);
98 assert.equal(auth_tag.toString('hex').toUpperCase(), test.tag);
103 if (!test.password) return;
104 var decrypt = crypto.createDecipher(test.algo, test.password);
105 decrypt.setAuthTag(new Buffer(test.tag, 'hex'));
107 decrypt.setAAD(new Buffer(test.aad, 'hex'));
108 var msg = decrypt.update(test.ct, 'hex', 'ascii');
109 if (!test.tampered) {
110 msg += decrypt.final('ascii');
111 assert.equal(msg, test.plain);
113 // assert that final throws if input data could not be verified!
114 assert.throws(function() { decrypt.final('ascii'); }, / auth/);
118 // after normal operation, test some incorrect ways of calling the API:
119 // it's most certainly enough to run these tests with one algorithm only.
126 // non-authenticating mode:
127 var encrypt = crypto.createCipheriv('aes-128-cbc',
128 'ipxp9a6i1Mb4USb4', '6fKjEjR3Vl30EUYC');
129 encrypt.update('blah', 'ascii');
131 assert.throws(function() { encrypt.getAuthTag(); }, / state/);
132 assert.throws(function() {
133 encrypt.setAAD(new Buffer('123', 'ascii')); }, / state/);
137 // trying to get tag before inputting all data:
138 var encrypt = crypto.createCipheriv(test.algo,
139 new Buffer(test.key, 'hex'), new Buffer(test.iv, 'hex'));
140 encrypt.update('blah', 'ascii');
141 assert.throws(function() { encrypt.getAuthTag(); }, / state/);
145 // trying to set tag on encryption object:
146 var encrypt = crypto.createCipheriv(test.algo,
147 new Buffer(test.key, 'hex'), new Buffer(test.iv, 'hex'));
148 assert.throws(function() {
149 encrypt.setAuthTag(new Buffer(test.tag, 'hex')); }, / state/);
153 // trying to read tag from decryption object:
154 var decrypt = crypto.createDecipheriv(test.algo,
155 new Buffer(test.key, 'hex'), new Buffer(test.iv, 'hex'));
156 assert.throws(function() { decrypt.getAuthTag(); }, / state/);