| /** |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you 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. |
| * |
| */ |
| package org.apache.kerby.asn1; |
| |
| import org.apache.kerby.asn1.type.Asn1UtcTime; |
| import org.apache.kerby.asn1.util.HexUtil; |
| import org.junit.Test; |
| |
| import java.io.IOException; |
| import java.text.SimpleDateFormat; |
| import java.util.Date; |
| import java.util.SimpleTimeZone; |
| |
| import static org.assertj.core.api.Assertions.assertThat; |
| |
| public class TestAsn1UtcTime { |
| |
| @Test |
| public void testEncoding() throws Exception { |
| /** |
| * Cryptography for Developers -> ASN.1 UTCTIME Type |
| * the encoding of July 4, 2003 at 11:33 and 28 seconds would be |
| ā030704113328Zā and be encoded as 0x17 0D 30 33 30 37 30 34 31 31 33 33 32 38 5A. |
| */ |
| SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss"); |
| sdf.setTimeZone(new SimpleTimeZone(0, "Z")); |
| String dateInString = "2003-07-04 11:33:28"; |
| Date date = sdf.parse(dateInString); |
| testEncodingWith(date, "0x17 0D 30 33 30 37 30 34 31 31 33 33 32 38 5A"); |
| } |
| |
| private void testEncodingWith(Date value, String expectedEncoding) throws IOException { |
| byte[] expected = HexUtil.hex2bytesFriendly(expectedEncoding); |
| Asn1UtcTime aValue = new Asn1UtcTime(value); |
| aValue.useDER(); |
| byte[] encodingBytes = aValue.encode(); |
| assertThat(encodingBytes).isEqualTo(expected); |
| } |
| |
| @Test |
| public void testDecoding() throws Exception { |
| SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss"); |
| String dateInString = "2003-07-04 11:33:28"; |
| sdf.setTimeZone(new SimpleTimeZone(0, "Z")); |
| Date date = sdf.parse(dateInString); |
| testDecodingWith(date, "0x17 0D 30 33 30 37 30 34 31 31 33 33 32 38 5A"); |
| } |
| |
| private void testDecodingWith(Date expectedValue, String content) throws IOException { |
| Asn1UtcTime decoded = new Asn1UtcTime(); |
| decoded.useDER(); |
| decoded.decode(HexUtil.hex2bytesFriendly(content)); |
| assertThat(decoded.getValue()).isEqualTo(expectedValue); |
| } |
| } |