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// Copyright Joyent, Inc. and other Node contributors.
//
// Permission is hereby granted, free of charge, to any person obtaining a
// copy of this software and associated documentation files (the
// "Software"), to deal in the Software without restriction, including
// without limitation the rights to use, copy, modify, merge, publish,
// distribute, sublicense, and/or sell copies of the Software, and to permit
// persons to whom the Software is furnished to do so, subject to the
// following conditions:
//
// The above copyright notice and this permission notice shall be included
// in all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
// OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN
// NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
// DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
// OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
// USE OR OTHER DEALINGS IN THE SOFTWARE.
'use strict';
const common = require('../common');
if (!common.hasCrypto)
common.skip('missing crypto');
const assert = require('assert');
const crypto = require('crypto');
const iv = Buffer.from('00000000000000000000000000000000', 'hex');
const key = Buffer.from('0123456789abcdef0123456789abcdef' +
'0123456789abcdef0123456789abcdef', 'hex');
function encrypt(val, pad) {
const c = crypto.createCipheriv('aes256', key, iv);
c.setAutoPadding(pad);
return c.update(val, 'utf8', 'latin1') + c.final('latin1');
}
function decrypt(val, pad) {
const c = crypto.createDecipheriv('aes256', key, iv);
c.setAutoPadding(pad);
return c.update(val, 'latin1', 'utf8') + c.final('utf8');
}
// echo 0123456789abcdef0123456789abcdef \
// | openssl enc -e -aes256 -nopad -K <key> -iv <iv> \
// | openssl enc -d -aes256 -nopad -K <key> -iv <iv>
let plaintext = '0123456789abcdef0123456789abcdef'; // Multiple of block size
let encrypted = encrypt(plaintext, false);
let decrypted = decrypt(encrypted, false);
assert.strictEqual(decrypted, plaintext);
// echo 0123456789abcdef0123456789abcde \
// | openssl enc -e -aes256 -K <key> -iv <iv> \
// | openssl enc -d -aes256 -K <key> -iv <iv>
plaintext = '0123456789abcdef0123456789abcde'; // not a multiple
encrypted = encrypt(plaintext, true);
decrypted = decrypt(encrypted, true);
assert.strictEqual(decrypted, plaintext);