Showing the changes to java/pkg/com/sun/crypto/provider/DESParameters.java (1 of 18352 files). Show all
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| 1 | /* | ||
| 2 | * Copyright (c) 1998, 2007, Oracle and/or its affiliates. All rights reserved. | ||
| 3 | * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. | ||
| 4 | * | ||
| 5 | * This code is free software; you can redistribute it and/or modify it | ||
| 6 | * under the terms of the GNU General Public License version 2 only, as | ||
| 7 | * published by the Free Software Foundation. Oracle designates this | ||
| 8 | * particular file as subject to the "Classpath" exception as provided | ||
| 9 | * by Oracle in the LICENSE file that accompanied this code. | ||
| 10 | * | ||
| 11 | * This code is distributed in the hope that it will be useful, but WITHOUT | ||
| 12 | * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | ||
| 13 | * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License | ||
| 14 | * version 2 for more details (a copy is included in the LICENSE file that | ||
| 15 | * accompanied this code). | ||
| 16 | * | ||
| 17 | * You should have received a copy of the GNU General Public License version | ||
| 18 | * 2 along with this work; if not, write to the Free Software Foundation, | ||
| 19 | * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. | ||
| 20 | * | ||
| 21 | * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA | ||
| 22 | * or visit www.oracle.com if you need additional information or have any | ||
| 23 | * questions. | ||
| 24 | */ | ||
| 25 | |||
| 26 | package com.sun.crypto.provider; | ||
| 27 | |||
| 28 | import java.util.*; | ||
| 29 | import java.io.*; | ||
| 30 | import sun.security.util.*; | ||
| 31 | import java.security.AlgorithmParametersSpi; | ||
| 32 | import java.security.spec.AlgorithmParameterSpec; | ||
| 33 | import java.security.spec.InvalidParameterSpecException; | ||
| 34 | import javax.crypto.spec.IvParameterSpec; | ||
| 35 | |||
| 36 | /** | ||
| 37 | * This class implements the parameter (IV) used with the DES algorithm in | ||
| 38 | * feedback-mode. IV is defined in the standards as follows: | ||
| 39 | * | ||
| 40 | * <pre> | ||
| 41 | * IV ::= OCTET STRING -- 8 octets | ||
| 42 | * </pre> | ||
| 43 | * | ||
| 44 | * @author Jan Luehe | ||
| 45 | * | ||
| 46 | */ | ||
| 47 | |||
| 48 | public final class DESParameters extends AlgorithmParametersSpi { | ||
| 49 | |||
| 50 | private BlockCipherParamsCore core; | ||
| 51 | |||
| 52 | public DESParameters() { | ||
| 53 | core = new BlockCipherParamsCore(DESConstants.DES_BLOCK_SIZE); | ||
| 54 | } | ||
| 55 | |||
| 56 | protected void engineInit(AlgorithmParameterSpec paramSpec) | ||
| 57 | throws InvalidParameterSpecException { | ||
| 58 | core.init(paramSpec); | ||
| 59 | } | ||
| 60 | |||
| 61 | protected void engineInit(byte[] encoded) | ||
| 62 | throws IOException { | ||
| 63 | core.init(encoded); | ||
| 64 | } | ||
| 65 | |||
| 66 | protected void engineInit(byte[] encoded, String decodingMethod) | ||
| 67 | throws IOException { | ||
| 68 | core.init(encoded, decodingMethod); | ||
| 69 | } | ||
| 70 | |||
| 71 | protected AlgorithmParameterSpec engineGetParameterSpec(Class paramSpec) | ||
| 72 | throws InvalidParameterSpecException { | ||
| 73 | return core.getParameterSpec(paramSpec); | ||
| 74 | } | ||
| 75 | |||
| 76 | protected byte[] engineGetEncoded() throws IOException { | ||
| 77 | return core.getEncoded(); | ||
| 78 | } | ||
| 79 | |||
| 80 | protected byte[] engineGetEncoded(String encodingMethod) | ||
| 81 | throws IOException { | ||
| 82 | return core.getEncoded(); | ||
| 83 | } | ||
| 84 | |||
| 85 | protected String engineToString() { | ||
| 86 | return core.toString(); | ||
| 87 | } | ||
| 88 | } | ||