dd9aefde69PR-URL: https://github.com/nodejs/node/pull/10550 Reviewed-By: Rich Trott <rtrott@gmail.com>
48 lines
1.5 KiB
JavaScript
48 lines
1.5 KiB
JavaScript
'use strict';
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const common = require('../common');
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const assert = require('assert');
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if (!common.hasCrypto) {
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common.skip('missing crypto');
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return;
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}
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const crypto = require('crypto');
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crypto.DEFAULT_ENCODING = 'buffer';
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function aes256(decipherFinal) {
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const iv = Buffer.from('00000000000000000000000000000000', 'hex');
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const key = Buffer.from('0123456789abcdef0123456789abcdef' +
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'0123456789abcdef0123456789abcdef', 'hex');
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function encrypt(val, pad) {
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const c = crypto.createCipheriv('aes256', key, iv);
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c.setAutoPadding(pad);
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return c.update(val, 'utf8', 'latin1') + c.final('latin1');
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}
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function decrypt(val, pad) {
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const c = crypto.createDecipheriv('aes256', key, iv);
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c.setAutoPadding(pad);
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return c.update(val, 'latin1', '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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let plaintext = '0123456789abcdef0123456789abcdef'; // multiple of block size
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let encrypted = encrypt(plaintext, false);
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let decrypted = decrypt(encrypted, false);
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assert.strictEqual(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.strictEqual(decrypted, plaintext);
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}
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aes256('final');
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aes256('finaltol');
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