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// Copyright 2012 The Closure Library Authors. 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.
goog.provide('goog.crypt.Sha256Test');
goog.setTestOnly('goog.crypt.Sha256Test');
goog.require('goog.crypt');
goog.require('goog.crypt.Sha256');
goog.require('goog.crypt.hashTester');
goog.require('goog.testing.jsunit');
function testBasicOperations() {
var sha256 = new goog.crypt.Sha256();
goog.crypt.hashTester.runBasicTests(sha256);
}
function testHashing() {
// Some test vectors from:
// csrc.nist.gov/publications/fips/fips180-2/fips180-2withchangenotice.pdf
var sha256 = new goog.crypt.Sha256();
// Empty message.
sha256.update([]);
assertEquals(
'e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855',
goog.crypt.byteArrayToHex(sha256.digest()));
// NIST one block test vector.
sha256.reset();
sha256.update(goog.crypt.stringToByteArray('abc'));
assertEquals(
'ba7816bf8f01cfea414140de5dae2223b00361a396177a9cb410ff61f20015ad',
goog.crypt.byteArrayToHex(sha256.digest()));
// NIST multi-block test vector.
sha256.reset();
sha256.update(
goog.crypt.stringToByteArray(
'abcdbcdecdefdefgefghfghighij' +
'hijkijkljklmklmnlmnomnopnopq'));
assertEquals(
'248d6a61d20638b8e5c026930c3e6039a33ce45964ff2167f6ecedd419db06c1',
goog.crypt.byteArrayToHex(sha256.digest()));
// Message larger than one block (but less than two).
sha256.reset();
var biggerThanOneBlock = 'abcdbcdecdefdefgefghfghighij' +
'hijkijkljklmklmnlmnomnopnopq' +
'asdfljhr78yasdfljh45opa78sdf' +
'120839414104897aavnasdfafasd';
assertTrue(
biggerThanOneBlock.length > goog.crypt.Sha2.BLOCKSIZE_ &&
biggerThanOneBlock.length < 2 * goog.crypt.Sha2.BLOCKSIZE_);
sha256.update(goog.crypt.stringToByteArray(biggerThanOneBlock));
assertEquals(
'390a5035433e46b740600f3117d11ece3c64706dc889106666ac04fe4f458abc',
goog.crypt.byteArrayToHex(sha256.digest()));
// Message larger than two blocks.
sha256.reset();
var biggerThanTwoBlocks = 'abcdbcdecdefdefgefghfghighij' +
'hijkijkljklmklmnlmnomnopnopq' +
'asdfljhr78yasdfljh45opa78sdf' +
'120839414104897aavnasdfafasd' +
'laasdouvhalacbnalalseryalcla';
assertTrue(biggerThanTwoBlocks.length > 2 * goog.crypt.Sha2.BLOCKSIZE_);
sha256.update(goog.crypt.stringToByteArray(biggerThanTwoBlocks));
assertEquals(
'd655c513fd347e9be372d891f8bb42895ca310fabf6ead6681ebc66a04e84db5',
goog.crypt.byteArrayToHex(sha256.digest()));
}
/** Check that the code checks for bad input */
function testBadInput() {
assertThrows('Bad input', function() { new goog.crypt.Sha256().update({}); });
assertThrows('Floating point not allows', function() {
new goog.crypt.Sha256().update([1, 2, 3, 4, 4.5]);
});
assertThrows('Negative not allowed', function() {
new goog.crypt.Sha256().update([1, 2, 3, 4, -10]);
});
assertThrows('Must be byte array', function() {
new goog.crypt.Sha256().update([1, 2, 3, 4, {}]);
});
}
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