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// Copyright 2011 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.Md5Test');
goog.setTestOnly('goog.crypt.Md5Test');
goog.require('goog.crypt');
goog.require('goog.crypt.Md5');
goog.require('goog.crypt.hashTester');
goog.require('goog.testing.jsunit');
var sixty = '123456789012345678901234567890123456789012345678901234567890';
function testBasicOperations() {
var md5 = new goog.crypt.Md5();
goog.crypt.hashTester.runBasicTests(md5);
}
function testBlockOperations() {
var md5 = new goog.crypt.Md5();
goog.crypt.hashTester.runBlockTests(md5, 64);
}
function testHashing() {
// Empty stream.
var md5 = new goog.crypt.Md5();
assertEquals(
'd41d8cd98f00b204e9800998ecf8427e',
goog.crypt.byteArrayToHex(md5.digest()));
// Simple stream.
md5.reset();
md5.update([97]);
assertEquals(
'0cc175b9c0f1b6a831c399e269772661',
goog.crypt.byteArrayToHex(md5.digest()));
// Simple stream with two updates.
md5.reset();
md5.update([97]);
md5.update('bc');
assertEquals(
'900150983cd24fb0d6963f7d28e17f72',
goog.crypt.byteArrayToHex(md5.digest()));
// RFC 1321 standard test.
md5.reset();
md5.update('abcdefghijklmnopqrstuvwxyz');
assertEquals(
'c3fcd3d76192e4007dfb496cca67e13b',
goog.crypt.byteArrayToHex(md5.digest()));
// RFC 1321 standard test with two updates.
md5.reset();
md5.update('message ');
md5.update('digest');
assertEquals(
'f96b697d7cb7938d525a2f31aaf161d0',
goog.crypt.byteArrayToHex(md5.digest()));
// RFC 1321 standard test with three updates.
md5.reset();
md5.update('ABCDEFGHIJKLMNOPQRSTUVWXYZ');
md5.update('abcdefghijklmnopqrstuvwxyz');
md5.update('0123456789');
assertEquals(
'd174ab98d277d9f5a5611c2c9f419d9f',
goog.crypt.byteArrayToHex(md5.digest()));
}
function testPadding() {
// Message + padding fits in two 64-byte blocks.
var md5 = new goog.crypt.Md5();
md5.update(sixty);
md5.update(sixty.substr(0, 59));
assertEquals(
'6261005311809757906e04c0d670492d',
goog.crypt.byteArrayToHex(md5.digest()));
// Message + padding does not fit in two 64-byte blocks.
md5.reset();
md5.update(sixty);
md5.update(sixty);
assertEquals(
'1d453b96d48d5e0cec4a20a71fecaa81',
goog.crypt.byteArrayToHex(md5.digest()));
}
function testTwoAccumulators() {
// Two accumulators in parallel.
var md5_A = new goog.crypt.Md5();
var md5_B = new goog.crypt.Md5();
md5_A.update(sixty);
md5_B.update(sixty);
md5_A.update(sixty + '1');
md5_B.update(sixty + '2');
assertEquals(
'0801d688cc107d4789ec8b9a4519f01f',
goog.crypt.byteArrayToHex(md5_A.digest()));
assertEquals(
'6e1a35ffc185d1e684d6ed281c0d4bd2',
goog.crypt.byteArrayToHex(md5_B.digest()));
}
function testCollision() {
// Check a known collision.
var A = [
0xd1, 0x31, 0xdd, 0x02, 0xc5, 0xe6, 0xee, 0xc4, 0x69, 0x3d, 0x9a, 0x06,
0x98, 0xaf, 0xf9, 0x5c, 0x2f, 0xca, 0xb5, 0x87, 0x12, 0x46, 0x7e, 0xab,
0x40, 0x04, 0x58, 0x3e, 0xb8, 0xfb, 0x7f, 0x89, 0x55, 0xad, 0x34, 0x06,
0x09, 0xf4, 0xb3, 0x02, 0x83, 0xe4, 0x88, 0x83, 0x25, 0x71, 0x41, 0x5a,
0x08, 0x51, 0x25, 0xe8, 0xf7, 0xcd, 0xc9, 0x9f, 0xd9, 0x1d, 0xbd, 0xf2,
0x80, 0x37, 0x3c, 0x5b, 0xd8, 0x82, 0x3e, 0x31, 0x56, 0x34, 0x8f, 0x5b,
0xae, 0x6d, 0xac, 0xd4, 0x36, 0xc9, 0x19, 0xc6, 0xdd, 0x53, 0xe2, 0xb4,
0x87, 0xda, 0x03, 0xfd, 0x02, 0x39, 0x63, 0x06, 0xd2, 0x48, 0xcd, 0xa0,
0xe9, 0x9f, 0x33, 0x42, 0x0f, 0x57, 0x7e, 0xe8, 0xce, 0x54, 0xb6, 0x70,
0x80, 0xa8, 0x0d, 0x1e, 0xc6, 0x98, 0x21, 0xbc, 0xb6, 0xa8, 0x83, 0x93,
0x96, 0xf9, 0x65, 0x2b, 0x6f, 0xf7, 0x2a, 0x70
];
var B = [
0xd1, 0x31, 0xdd, 0x02, 0xc5, 0xe6, 0xee, 0xc4, 0x69, 0x3d, 0x9a, 0x06,
0x98, 0xaf, 0xf9, 0x5c, 0x2f, 0xca, 0xb5, 0x07, 0x12, 0x46, 0x7e, 0xab,
0x40, 0x04, 0x58, 0x3e, 0xb8, 0xfb, 0x7f, 0x89, 0x55, 0xad, 0x34, 0x06,
0x09, 0xf4, 0xb3, 0x02, 0x83, 0xe4, 0x88, 0x83, 0x25, 0xf1, 0x41, 0x5a,
0x08, 0x51, 0x25, 0xe8, 0xf7, 0xcd, 0xc9, 0x9f, 0xd9, 0x1d, 0xbd, 0x72,
0x80, 0x37, 0x3c, 0x5b, 0xd8, 0x82, 0x3e, 0x31, 0x56, 0x34, 0x8f, 0x5b,
0xae, 0x6d, 0xac, 0xd4, 0x36, 0xc9, 0x19, 0xc6, 0xdd, 0x53, 0xe2, 0x34,
0x87, 0xda, 0x03, 0xfd, 0x02, 0x39, 0x63, 0x06, 0xd2, 0x48, 0xcd, 0xa0,
0xe9, 0x9f, 0x33, 0x42, 0x0f, 0x57, 0x7e, 0xe8, 0xce, 0x54, 0xb6, 0x70,
0x80, 0x28, 0x0d, 0x1e, 0xc6, 0x98, 0x21, 0xbc, 0xb6, 0xa8, 0x83, 0x93,
0x96, 0xf9, 0x65, 0xab, 0x6f, 0xf7, 0x2a, 0x70
];
var digest = '79054025255fb1a26e4bc422aef54eb4';
var md5_A = new goog.crypt.Md5();
var md5_B = new goog.crypt.Md5();
md5_A.update(A);
md5_B.update(B);
assertEquals(digest, goog.crypt.byteArrayToHex(md5_A.digest()));
assertEquals(digest, goog.crypt.byteArrayToHex(md5_B.digest()));
}
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