/* * Copyright (c) 1999, 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 sun.security.pkcs12;import java.io.*;import java.security.*;import sun.security.util.DerInputStream;import sun.security.util.DerOutputStream;import sun.security.util.DerValue;import sun.security.x509.AlgorithmId;import sun.security.pkcs.ParsingException;/** * A MacData type, as defined in PKCS#12. * * @author Sharon Liu */class MacData { private String digestAlgorithmName; private AlgorithmParameters digestAlgorithmParams; private byte[] digest; private byte[] macSalt; private int iterations; // the ASN.1 encoded contents of this class private byte[] encoded = null; /** * Parses a PKCS#12 MAC data. */ MacData(DerInputStream derin) throws IOException, ParsingException { DerValue[] macData = derin.getSequence(2); // Parse the digest info DerInputStream digestIn = new DerInputStream(macData[0].toByteArray()); DerValue[] digestInfo = digestIn.getSequence(2); // Parse the DigestAlgorithmIdentifier. AlgorithmId digestAlgorithmId = AlgorithmId.parse(digestInfo[0]); this.digestAlgorithmName = digestAlgorithmId.getName(); this.digestAlgorithmParams = digestAlgorithmId.getParameters(); // Get the digest. this.digest = digestInfo[1].getOctetString(); // Get the salt. this.macSalt = macData[1].getOctetString(); // Iterations is optional. The default value is 1. if (macData.length > 2) { this.iterations = macData[2].getInteger(); } else { this.iterations = 1; } } MacData(String algName, byte[] digest, byte[] salt, int iterations) throws NoSuchAlgorithmException { if (algName == null) throw new NullPointerException("the algName parameter " + "must be non-null"); AlgorithmId algid = AlgorithmId.get(algName); this.digestAlgorithmName = algid.getName(); this.digestAlgorithmParams = algid.getParameters(); if (digest == null) { throw new NullPointerException("the digest " + "parameter must be non-null"); } else if (digest.length == 0) { throw new IllegalArgumentException("the digest " + "parameter must not be empty"); } else { this.digest = digest.clone(); } this.macSalt = salt; this.iterations = iterations; // delay the generation of ASN.1 encoding until // getEncoded() is called this.encoded = null; } MacData(AlgorithmParameters algParams, byte[] digest, byte[] salt, int iterations) throws NoSuchAlgorithmException { if (algParams == null) throw new NullPointerException("the algParams parameter " + "must be non-null"); AlgorithmId algid = AlgorithmId.get(algParams); this.digestAlgorithmName = algid.getName(); this.digestAlgorithmParams = algid.getParameters(); if (digest == null) { throw new NullPointerException("the digest " + "parameter must be non-null"); } else if (digest.length == 0) { throw new IllegalArgumentException("the digest " + "parameter must not be empty"); } else { this.digest = digest.clone(); } this.macSalt = salt; this.iterations = iterations; // delay the generation of ASN.1 encoding until // getEncoded() is called this.encoded = null; } String getDigestAlgName() { return digestAlgorithmName; } byte[] getSalt() { return macSalt; } int getIterations() { return iterations; } byte[] getDigest() { return digest; } /** * Returns the ASN.1 encoding of this object. * @return the ASN.1 encoding. * @exception IOException if error occurs when constructing its * ASN.1 encoding. */ public byte[] getEncoded() throws NoSuchAlgorithmException, IOException { if (this.encoded != null) return this.encoded.clone(); DerOutputStream out = new DerOutputStream(); DerOutputStream tmp = new DerOutputStream(); DerOutputStream tmp2 = new DerOutputStream(); // encode encryption algorithm AlgorithmId algid = AlgorithmId.get(digestAlgorithmName); algid.encode(tmp2); // encode digest data tmp2.putOctetString(digest); tmp.write(DerValue.tag_Sequence, tmp2); // encode salt tmp.putOctetString(macSalt); // encode iterations tmp.putInteger(iterations); // wrap everything into a SEQUENCE out.write(DerValue.tag_Sequence, tmp); this.encoded = out.toByteArray(); return this.encoded.clone(); }}
/*
* Copyright (c) 1999, 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 sun.security.pkcs12;
import java.io.*;
import java.security.*;
import sun.security.util.DerInputStream;
import sun.security.util.DerOutputStream;
import sun.security.util.DerValue;
import sun.security.x509.AlgorithmId;
import sun.security.pkcs.ParsingException;
/**
* A MacData type, as defined in PKCS#12.
*
* @author Sharon Liu
*/
class MacData {
private String digestAlgorithmName;
private AlgorithmParameters digestAlgorithmParams;
private byte[] digest;
private byte[] macSalt;
private int iterations;
// the ASN.1 encoded contents of this class
private byte[] encoded = null;
/**
* Parses a PKCS#12 MAC data.
*/
MacData(DerInputStream derin)
throws IOException, ParsingException
{
DerValue[] macData = derin.getSequence(2);
// Parse the digest info
DerInputStream digestIn = new DerInputStream(macData[0].toByteArray());
DerValue[] digestInfo = digestIn.getSequence(2);
// Parse the DigestAlgorithmIdentifier.
AlgorithmId digestAlgorithmId = AlgorithmId.parse(digestInfo[0]);
this.digestAlgorithmName = digestAlgorithmId.getName();
this.digestAlgorithmParams = digestAlgorithmId.getParameters();
// Get the digest.
this.digest = digestInfo[1].getOctetString();
// Get the salt.
this.macSalt = macData[1].getOctetString();
// Iterations is optional. The default value is 1.
if (macData.length > 2) {
this.iterations = macData[2].getInteger();
} else {
this.iterations = 1;
}
}
MacData(String algName, byte[] digest, byte[] salt, int iterations)
throws NoSuchAlgorithmException
{
if (algName == null)
throw new NullPointerException("the algName parameter " +
"must be non-null");
AlgorithmId algid = AlgorithmId.get(algName);
this.digestAlgorithmName = algid.getName();
this.digestAlgorithmParams = algid.getParameters();
if (digest == null) {
throw new NullPointerException("the digest " +
"parameter must be non-null");
} else if (digest.length == 0) {
throw new IllegalArgumentException("the digest " +
"parameter must not be empty");
} else {
this.digest = digest.clone();
}
this.macSalt = salt;
this.iterations = iterations;
// delay the generation of ASN.1 encoding until
// getEncoded() is called
this.encoded = null;
}
MacData(AlgorithmParameters algParams, byte[] digest,
byte[] salt, int iterations) throws NoSuchAlgorithmException
{
if (algParams == null)
throw new NullPointerException("the algParams parameter " +
"must be non-null");
AlgorithmId algid = AlgorithmId.get(algParams);
this.digestAlgorithmName = algid.getName();
this.digestAlgorithmParams = algid.getParameters();
if (digest == null) {
throw new NullPointerException("the digest " +
"parameter must be non-null");
} else if (digest.length == 0) {
throw new IllegalArgumentException("the digest " +
"parameter must not be empty");
} else {
this.digest = digest.clone();
}
this.macSalt = salt;
this.iterations = iterations;
// delay the generation of ASN.1 encoding until
// getEncoded() is called
this.encoded = null;
}
String getDigestAlgName() {
return digestAlgorithmName;
}
byte[] getSalt() {
return macSalt;
}
int getIterations() {
return iterations;
}
byte[] getDigest() {
return digest;
}
/**
* Returns the ASN.1 encoding of this object.
* @return the ASN.1 encoding.
* @exception IOException if error occurs when constructing its
* ASN.1 encoding.
*/
public byte[] getEncoded() throws NoSuchAlgorithmException, IOException
{
if (this.encoded != null)
return this.encoded.clone();
DerOutputStream out = new DerOutputStream();
DerOutputStream tmp = new DerOutputStream();
DerOutputStream tmp2 = new DerOutputStream();
// encode encryption algorithm
AlgorithmId algid = AlgorithmId.get(digestAlgorithmName);
algid.encode(tmp2);
// encode digest data
tmp2.putOctetString(digest);
tmp.write(DerValue.tag_Sequence, tmp2);
// encode salt
tmp.putOctetString(macSalt);
// encode iterations
tmp.putInteger(iterations);
// wrap everything into a SEQUENCE
out.write(DerValue.tag_Sequence, tmp);
this.encoded = out.toByteArray();
return this.encoded.clone();
}
}