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1// Copyright Joyent, Inc. and other Node contributors.
2//
3// Permission is hereby granted, free of charge, to any person obtaining a
4// copy of this software and associated documentation files (the
5// "Software"), to deal in the Software without restriction, including
6// without limitation the rights to use, copy, modify, merge, publish,
7// distribute, sublicense, and/or sell copies of the Software, and to permit
8// persons to whom the Software is furnished to do so, subject to the
9// following conditions:
10//
11// The above copyright notice and this permission notice shall be included
12// in all copies or substantial portions of the Software.
13//
14// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
15// OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
16// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN
17// NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
18// DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
19// OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
20// USE OR OTHER DEALINGS IN THE SOFTWARE.
21
22'use strict';
23const common = require('../common');
24if (!common.hasCrypto)
25  common.skip('missing crypto');
26
27const assert = require('assert');
28const crypto = require('crypto');
29
30const iv = Buffer.from('00000000000000000000000000000000', 'hex');
31const key = Buffer.from('0123456789abcdef0123456789abcdef' +
32                        '0123456789abcdef0123456789abcdef', 'hex');
33
34function encrypt(val, pad) {
35  const c = crypto.createCipheriv('aes256', key, iv);
36  c.setAutoPadding(pad);
37  return c.update(val, 'utf8', 'latin1') + c.final('latin1');
38}
39
40function decrypt(val, pad) {
41  const c = crypto.createDecipheriv('aes256', key, iv);
42  c.setAutoPadding(pad);
43  return c.update(val, 'latin1', 'utf8') + c.final('utf8');
44}
45
46// echo 0123456789abcdef0123456789abcdef \
47// | openssl enc -e -aes256 -nopad -K <key> -iv <iv> \
48// | openssl enc -d -aes256 -nopad -K <key> -iv <iv>
49let plaintext = '0123456789abcdef0123456789abcdef'; // Multiple of block size
50let encrypted = encrypt(plaintext, false);
51let decrypted = decrypt(encrypted, false);
52assert.strictEqual(decrypted, plaintext);
53
54// echo 0123456789abcdef0123456789abcde \
55// | openssl enc -e -aes256 -K <key> -iv <iv> \
56// | openssl enc -d -aes256 -K <key> -iv <iv>
57plaintext = '0123456789abcdef0123456789abcde'; // not a multiple
58encrypted = encrypt(plaintext, true);
59decrypted = decrypt(encrypted, true);
60assert.strictEqual(decrypted, plaintext);
61