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