3e1b1dd4a9
The copyright and license notice is already in the LICENSE file. There is no justifiable reason to also require that it be included in every file, since the individual files are not individually distributed except as part of the entire package.
111 lines
2.9 KiB
JavaScript
111 lines
2.9 KiB
JavaScript
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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/*
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* Input data
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*/
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var ODD_LENGTH_PLAIN = 'Hello node world!',
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EVEN_LENGTH_PLAIN = 'Hello node world!AbC09876dDeFgHi';
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var KEY_PLAIN = 'S3c.r.e.t.K.e.Y!',
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IV_PLAIN = 'blahFizz2011Buzz';
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var CIPHER_NAME = 'aes-128-cbc';
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/*
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* Expected result data
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*/
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// echo -n 'Hello node world!' | \
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// openssl enc -aes-128-cbc -e -K 5333632e722e652e742e4b2e652e5921 \
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// -iv 626c616846697a7a3230313142757a7a | xxd -p -c256
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var ODD_LENGTH_ENCRYPTED =
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'7f57859550d4d2fdb9806da2a750461a9fe77253cd1cbd4b07beee4e070d561f';
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// echo -n 'Hello node world!AbC09876dDeFgHi' | \
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// openssl enc -aes-128-cbc -e -K 5333632e722e652e742e4b2e652e5921 \
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// -iv 626c616846697a7a3230313142757a7a | xxd -p -c256
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var EVEN_LENGTH_ENCRYPTED =
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'7f57859550d4d2fdb9806da2a750461ab46e71b3d78ebe2d9684dfc87f7575b988' +
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'6119866912cb8c7bcaf76c5ebc2378';
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// echo -n 'Hello node world!AbC09876dDeFgHi' | \
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// openssl enc -aes-128-cbc -e -K 5333632e722e652e742e4b2e652e5921 \
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// -iv 626c616846697a7a3230313142757a7a -nopad | xxd -p -c256
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var EVEN_LENGTH_ENCRYPTED_NOPAD =
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'7f57859550d4d2fdb9806da2a750461ab46e' +
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'71b3d78ebe2d9684dfc87f7575b9';
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/*
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* Helper wrappers
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*/
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function enc(plain, pad) {
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var encrypt = crypto.createCipheriv(CIPHER_NAME, KEY_PLAIN, IV_PLAIN);
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encrypt.setAutoPadding(pad);
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var hex = encrypt.update(plain, 'ascii', 'hex');
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hex += encrypt.final('hex');
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return hex;
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}
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function dec(encd, pad) {
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var decrypt = crypto.createDecipheriv(CIPHER_NAME, KEY_PLAIN, IV_PLAIN);
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decrypt.setAutoPadding(pad);
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var plain = decrypt.update(encd, 'hex');
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plain += decrypt.final('binary');
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return plain;
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}
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/*
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* Test encryption
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*/
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assert.equal(enc(ODD_LENGTH_PLAIN, true), ODD_LENGTH_ENCRYPTED);
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assert.equal(enc(EVEN_LENGTH_PLAIN, true), EVEN_LENGTH_ENCRYPTED);
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assert.throws(function() {
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// input must have block length %
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enc(ODD_LENGTH_PLAIN, false);
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});
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assert.doesNotThrow(function() {
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assert.equal(enc(EVEN_LENGTH_PLAIN, false), EVEN_LENGTH_ENCRYPTED_NOPAD);
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});
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/*
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* Test decryption
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*/
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assert.equal(dec(ODD_LENGTH_ENCRYPTED, true), ODD_LENGTH_PLAIN);
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assert.equal(dec(EVEN_LENGTH_ENCRYPTED, true), EVEN_LENGTH_PLAIN);
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assert.doesNotThrow(function() {
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// returns including original padding
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assert.equal(dec(ODD_LENGTH_ENCRYPTED, false).length, 32);
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assert.equal(dec(EVEN_LENGTH_ENCRYPTED, false).length, 48);
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});
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assert.throws(function() {
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// must have at least 1 byte of padding (PKCS):
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assert.equal(dec(EVEN_LENGTH_ENCRYPTED_NOPAD, true), EVEN_LENGTH_PLAIN);
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});
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assert.doesNotThrow(function() {
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// no-pad encrypted string should return the same:
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assert.equal(dec(EVEN_LENGTH_ENCRYPTED_NOPAD, false), EVEN_LENGTH_PLAIN);
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});
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