| /* |
| * 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.commons.compress.archivers.zip; |
| |
| /** |
| * X.509 Certificate ID and Signature for central directory (0x0016). |
| * |
| * <p>This field contains the information about which certificate in the PKCS#7 |
| * store was used to sign the central directory structure. When the Central |
| * Directory Encryption feature is enabled for a ZIP file, this record will |
| * appear in the Archive Extra Data Record, otherwise it will appear in the |
| * first central directory record.</p> |
| * |
| * <p>Note: all fields stored in Intel low-byte/high-byte order.</p> |
| * |
| * <pre> |
| * Value Size Description |
| * ----- ---- ----------- |
| * (CDID) 0x0016 2 bytes Tag for this "extra" block type |
| * TSize 2 bytes Size of data that follows |
| * RCount 4 bytes Number of recipients. (inferred) |
| * HashAlg 2 bytes Hash algorithm identifier. (inferred) |
| * TData TSize Data |
| * </pre> |
| * |
| * @NotThreadSafe |
| * @since 1.11 |
| */ |
| public class X0016_CertificateIdForCentralDirectory extends PKWareExtraHeader { |
| |
| public X0016_CertificateIdForCentralDirectory() { |
| super(new ZipShort(0x0016)); |
| } |
| |
| private int rcount; |
| private HashAlgorithm hashAlg; |
| |
| /** |
| * Get record count. |
| * @return the record count |
| */ |
| public int getRecordCount() { |
| return rcount; |
| } |
| |
| /** |
| * Get hash algorithm. |
| * @return the hash algorithm |
| */ |
| public HashAlgorithm getHashAlgorithm() { |
| return hashAlg; |
| } |
| |
| @Override |
| public void parseFromCentralDirectoryData(final byte[] data, final int offset, final int length) { |
| this.rcount = ZipShort.getValue(data, offset); |
| this.hashAlg = HashAlgorithm.getAlgorithmByCode(ZipShort.getValue(data, offset + 2)); |
| } |
| } |