| // 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, {}]); |
| }); |
| } |