| /** |
| * 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.kerberos.kerb.crypto; |
| |
| import org.apache.kerby.kerberos.kerb.KrbException; |
| import org.apache.kerby.kerberos.kerb.type.base.CheckSumType; |
| |
| public interface CheckSumTypeHandler extends CryptoTypeHandler { |
| |
| int confounderSize(); |
| |
| CheckSumType cksumType(); |
| |
| int computeSize(); // allocation size for checksum computation |
| |
| int outputSize(); // possibly truncated output size |
| |
| boolean isSafe(); |
| |
| int cksumSize(); |
| |
| int keySize(); |
| |
| byte[] checksum(byte[] data) throws KrbException; |
| |
| byte[] checksum(byte[] data, int start, int len) throws KrbException; |
| |
| boolean verify(byte[] data, byte[] checksum) throws KrbException; |
| |
| boolean verify(byte[] data, int start, int len, byte[] checksum) throws KrbException; |
| |
| byte[] checksumWithKey(byte[] data, |
| byte[] key, int usage) throws KrbException; |
| |
| byte[] checksumWithKey(byte[] data, int start, int len, |
| byte[] key, int usage) throws KrbException; |
| |
| boolean verifyWithKey(byte[] data, |
| byte[] key, int usage, byte[] checksum) throws KrbException; |
| } |