/* * Copyright (c) 1998, 2007, Oracle and/or its affiliates. All rights reserved. * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. * * This code is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License version 2 only, as * published by the Free Software Foundation. Oracle designates this * particular file as subject to the "Classpath" exception as provided * by Oracle in the LICENSE file that accompanied this code. * * This code is distributed in the hope that it will be useful, but WITHOUT * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License * version 2 for more details (a copy is included in the LICENSE file that * accompanied this code). * * You should have received a copy of the GNU General Public License version * 2 along with this work; if not, write to the Free Software Foundation, * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. * * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA * or visit www.oracle.com if you need additional information or have any * questions. */package com.sun.crypto.provider;import java.util.*;import java.io.*;import java.math.BigInteger;import java.security.AlgorithmParametersSpi;import java.security.spec.AlgorithmParameterSpec;import java.security.spec.InvalidParameterSpecException;import javax.crypto.spec.PBEParameterSpec;import sun.misc.HexDumpEncoder;import sun.security.util.*;/** * This class implements the parameter set used with password-based * encryption, which is defined in PKCS#5 as follows: * * <pre> * PBEParameter ::= SEQUENCE { * salt OCTET STRING SIZE(8), * iterationCount INTEGER } * </pre> * * @author Jan Luehe * */public final class PBEParameters extends AlgorithmParametersSpi { // the salt private byte[] salt = null; // the iteration count private int iCount = 0; protected void engineInit(AlgorithmParameterSpec paramSpec) throws InvalidParameterSpecException { if (!(paramSpec instanceof PBEParameterSpec)) { throw new InvalidParameterSpecException ("Inappropriate parameter specification"); } this.salt = (byte[])((PBEParameterSpec)paramSpec).getSalt().clone(); this.iCount = ((PBEParameterSpec)paramSpec).getIterationCount(); } protected void engineInit(byte[] encoded) throws IOException { try { DerValue val = new DerValue(encoded); if (val.tag != DerValue.tag_Sequence) { throw new IOException("PBE parameter parsing error: " + "not a sequence"); } val.data.reset(); this.salt = val.data.getOctetString(); this.iCount = val.data.getInteger(); if (val.data.available() != 0) { throw new IOException ("PBE parameter parsing error: extra data"); } } catch (NumberFormatException e) { throw new IOException("iteration count too big"); } } protected void engineInit(byte[] encoded, String decodingMethod) throws IOException { engineInit(encoded); } protected AlgorithmParameterSpec engineGetParameterSpec(Class paramSpec) throws InvalidParameterSpecException { if (PBEParameterSpec.class.isAssignableFrom(paramSpec)) { return new PBEParameterSpec(this.salt, this.iCount); } else { throw new InvalidParameterSpecException ("Inappropriate parameter specification"); } } protected byte[] engineGetEncoded() throws IOException { DerOutputStream out = new DerOutputStream(); DerOutputStream bytes = new DerOutputStream(); bytes.putOctetString(this.salt); bytes.putInteger(this.iCount); out.write(DerValue.tag_Sequence, bytes); return out.toByteArray(); } protected byte[] engineGetEncoded(String encodingMethod) throws IOException { return engineGetEncoded(); } /* * Returns a formatted string describing the parameters. */ protected String engineToString() { String LINE_SEP = System.getProperty("line.separator"); String saltString = LINE_SEP + " salt:" + LINE_SEP + "["; HexDumpEncoder encoder = new HexDumpEncoder(); saltString += encoder.encodeBuffer(salt); saltString += "]"; return saltString + LINE_SEP + " iterationCount:" + LINE_SEP + Debug.toHexString(BigInteger.valueOf(iCount)) + LINE_SEP; }}
/*
* Copyright (c) 1998, 2007, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 only, as
* published by the Free Software Foundation. Oracle designates this
* particular file as subject to the "Classpath" exception as provided
* by Oracle in the LICENSE file that accompanied this code.
*
* This code is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* version 2 for more details (a copy is included in the LICENSE file that
* accompanied this code).
*
* You should have received a copy of the GNU General Public License version
* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
* or visit www.oracle.com if you need additional information or have any
* questions.
*/
package com.sun.crypto.provider;
import java.util.*;
import java.io.*;
import java.math.BigInteger;
import java.security.AlgorithmParametersSpi;
import java.security.spec.AlgorithmParameterSpec;
import java.security.spec.InvalidParameterSpecException;
import javax.crypto.spec.PBEParameterSpec;
import sun.misc.HexDumpEncoder;
import sun.security.util.*;
/**
* This class implements the parameter set used with password-based
* encryption, which is defined in PKCS#5 as follows:
*
* <pre>
* PBEParameter ::= SEQUENCE {
* salt OCTET STRING SIZE(8),
* iterationCount INTEGER }
* </pre>
*
* @author Jan Luehe
*
*/
public final class PBEParameters extends AlgorithmParametersSpi {
// the salt
private byte[] salt = null;
// the iteration count
private int iCount = 0;
protected void engineInit(AlgorithmParameterSpec paramSpec)
throws InvalidParameterSpecException
{
if (!(paramSpec instanceof PBEParameterSpec)) {
throw new InvalidParameterSpecException
("Inappropriate parameter specification");
}
this.salt = (byte[])((PBEParameterSpec)paramSpec).getSalt().clone();
this.iCount = ((PBEParameterSpec)paramSpec).getIterationCount();
}
protected void engineInit(byte[] encoded)
throws IOException
{
try {
DerValue val = new DerValue(encoded);
if (val.tag != DerValue.tag_Sequence) {
throw new IOException("PBE parameter parsing error: "
+ "not a sequence");
}
val.data.reset();
this.salt = val.data.getOctetString();
this.iCount = val.data.getInteger();
if (val.data.available() != 0) {
throw new IOException
("PBE parameter parsing error: extra data");
}
} catch (NumberFormatException e) {
throw new IOException("iteration count too big");
}
}
protected void engineInit(byte[] encoded, String decodingMethod)
throws IOException
{
engineInit(encoded);
}
protected AlgorithmParameterSpec engineGetParameterSpec(Class paramSpec)
throws InvalidParameterSpecException
{
if (PBEParameterSpec.class.isAssignableFrom(paramSpec)) {
return new PBEParameterSpec(this.salt, this.iCount);
} else {
throw new InvalidParameterSpecException
("Inappropriate parameter specification");
}
}
protected byte[] engineGetEncoded() throws IOException {
DerOutputStream out = new DerOutputStream();
DerOutputStream bytes = new DerOutputStream();
bytes.putOctetString(this.salt);
bytes.putInteger(this.iCount);
out.write(DerValue.tag_Sequence, bytes);
return out.toByteArray();
}
protected byte[] engineGetEncoded(String encodingMethod)
throws IOException
{
return engineGetEncoded();
}
/*
* Returns a formatted string describing the parameters.
*/
protected String engineToString() {
String LINE_SEP = System.getProperty("line.separator");
String saltString = LINE_SEP + " salt:" + LINE_SEP + "[";
HexDumpEncoder encoder = new HexDumpEncoder();
saltString += encoder.encodeBuffer(salt);
saltString += "]";
return saltString + LINE_SEP + " iterationCount:"
+ LINE_SEP + Debug.toHexString(BigInteger.valueOf(iCount))
+ LINE_SEP;
}
}