mirror of https://github.com/lukechilds/node.git
Ingmar Runge
13 years ago
committed by
Bert Belder
3 changed files with 188 additions and 11 deletions
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// 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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/* |
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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!' | openssl enc -aes-128-cbc -e -K 5333632e722e652e742e4b2e652e5921 -iv 626c616846697a7a3230313142757a7a | xxd -p -c256
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var ODD_LENGTH_ENCRYPTED = '7f57859550d4d2fdb9806da2a750461a9fe77253cd1cbd4b07beee4e070d561f'; |
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// echo -n 'Hello node world!AbC09876dDeFgHi' | openssl enc -aes-128-cbc -e -K 5333632e722e652e742e4b2e652e5921 -iv 626c616846697a7a3230313142757a7a | xxd -p -c256
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var EVEN_LENGTH_ENCRYPTED = '7f57859550d4d2fdb9806da2a750461ab46e71b3d78ebe2d9684dfc87f7575b9886119866912cb8c7bcaf76c5ebc2378'; |
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// echo -n 'Hello node world!AbC09876dDeFgHi' | openssl enc -aes-128-cbc -e -K 5333632e722e652e742e4b2e652e5921 -iv 626c616846697a7a3230313142757a7a -nopad | xxd -p -c256
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var EVEN_LENGTH_ENCRYPTED_NOPAD = '7f57859550d4d2fdb9806da2a750461ab46e71b3d78ebe2d9684dfc87f7575b9'; |
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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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