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aeskeywrap_test.html
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<!-- Copyright 2013 Google Inc. All rights reserved.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
// -->
<!DOCTYPE html>
<title>Unit Test of e2e.Cipher.AESKeyWrap</title>
<script src="../../../../../javascript/closure/base.js"></script>
<script src="test_js_deps-runfiles.js"></script>
<script>
goog.require('e2e');
goog.require('e2e.cipher.Aes');
goog.require('e2e.cipher.AesKeyWrap');
goog.require('e2e.cipher.aesKeyWrapTestData');
goog.require('e2e.cipher.Rsa');
goog.require('e2e.openpgp.constants');
goog.require('goog.testing.jsunit');
</script>
<script>
/**
* Test wrapping key data with a 128-bit KEK.
*/
function testWrap128() {
var wrapPrimitive = e2e.openpgp.constants.getInstance(
e2e.openpgp.constants.Type.SYMMETRIC_KEY,
e2e.cipher.Algorithm.AES128);
var aesKeyWrap = new e2e.cipher.AesKeyWrap(wrapPrimitive);
aesKeyWrap.setKey(e2e.cipher.aesKeyWrapTestData.kek128);
// 128-bit key data.
var wrappedKey = aesKeyWrap.wrap(
e2e.cipher.aesKeyWrapTestData.keyData128);
assertArrayEquals(
e2e.cipher.aesKeyWrapTestData.wrappedKeyData128128,
wrappedKey);
var keyData = aesKeyWrap.unwrap(wrappedKey);
assertArrayEquals(
e2e.cipher.aesKeyWrapTestData.keyData128,
keyData);
}
/**
* Test unwrapping checks validity
*/
function testValidityCheck() {
var wrapPrimitive = e2e.openpgp.constants.getInstance(
e2e.openpgp.constants.Type.SYMMETRIC_KEY,
e2e.cipher.Algorithm.AES128);
var aesKeyWrap = new e2e.cipher.AesKeyWrap(wrapPrimitive);
aesKeyWrap.setKey(e2e.cipher.aesKeyWrapTestData.kek128);
// 128-bit key data.
var wrappedKey = aesKeyWrap.wrap(
e2e.cipher.aesKeyWrapTestData.keyData128);
wrappedKey[0] ^= 1;
assertThrows('Invalid wrapped key should throw exception', function() {
aesKeyWrap.unwrap(wrappedKey);
});
}
/**
* Test wrapping key data with a 192-bit KEK.
*/
function testWrap192() {
var wrapPrimitive = e2e.openpgp.constants.getInstance(
e2e.openpgp.constants.Type.SYMMETRIC_KEY,
e2e.cipher.Algorithm.AES192);
var aesKeyWrap = new e2e.cipher.AesKeyWrap(wrapPrimitive);
aesKeyWrap.setKey(e2e.cipher.aesKeyWrapTestData.kek192);
// 128-bit key data.
var wrappedKey128 = aesKeyWrap.wrap(
e2e.cipher.aesKeyWrapTestData.keyData128);
assertArrayEquals(
e2e.cipher.aesKeyWrapTestData.wrappedKeyData128192,
wrappedKey128);
var keyData128 = aesKeyWrap.unwrap(wrappedKey128);
assertArrayEquals(
e2e.cipher.aesKeyWrapTestData.keyData128,
keyData128);
// 192-bit key data.
var wrappedKey192 = aesKeyWrap.wrap(
e2e.cipher.aesKeyWrapTestData.keyData192);
assertArrayEquals(
e2e.cipher.aesKeyWrapTestData.wrappedKeyData192192,
wrappedKey192);
var keyData192 = aesKeyWrap.unwrap(wrappedKey192);
assertArrayEquals(
e2e.cipher.aesKeyWrapTestData.keyData192,
keyData192);
}
/**
* Test wrapping key data with a 256-bit KEK.
*/
function testWrap256() {
var wrapPrimitive = e2e.openpgp.constants.getInstance(
e2e.openpgp.constants.Type.SYMMETRIC_KEY,
e2e.cipher.Algorithm.AES256);
var aesKeyWrap = new e2e.cipher.AesKeyWrap(wrapPrimitive);
aesKeyWrap.setKey(e2e.cipher.aesKeyWrapTestData.kek256);
// 128-bit key data.
var wrappedKey = aesKeyWrap.wrap(
e2e.cipher.aesKeyWrapTestData.keyData128);
assertArrayEquals(
e2e.cipher.aesKeyWrapTestData.wrappedKeyData128256,
wrappedKey);
var keyData = aesKeyWrap.unwrap(wrappedKey);
assertArrayEquals(
e2e.cipher.aesKeyWrapTestData.keyData128,
keyData);
// 192-bit key data.
var wrappedKey192 = aesKeyWrap.wrap(
e2e.cipher.aesKeyWrapTestData.keyData192);
assertArrayEquals(
e2e.cipher.aesKeyWrapTestData.wrappedKeyData192256,
wrappedKey192);
var keyData192 = aesKeyWrap.unwrap(wrappedKey192);
assertArrayEquals(
e2e.cipher.aesKeyWrapTestData.keyData192,
keyData192);
// 256-bit key data.
var wrappedKey256 = aesKeyWrap.wrap(
e2e.cipher.aesKeyWrapTestData.keyData256);
assertArrayEquals(
e2e.cipher.aesKeyWrapTestData.wrappedKeyData256256,
wrappedKey256);
var keyData256 = aesKeyWrap.unwrap(wrappedKey256);
assertArrayEquals(
e2e.cipher.aesKeyWrapTestData.keyData256,
keyData256);
}
/**
* Test wrapping with non-AES algorithm fails
*/
function testWrapInvalidAlgorithm() {
var wrapPrimitive = e2e.openpgp.constants.getInstance(
e2e.openpgp.constants.Type.PUBLIC_KEY,
e2e.cipher.Algorithm.RSA);
assertThrows('Invalid key-wrapping algorithm should throw exception',
function() {
new e2e.cipher.AesKeyWrap(wrapPrimitive);
});
}
</script>