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/*
* Copyright (c) 1997, 2002, 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.x509;
import java.io.IOException;
import java.io.InputStream;
import java.math.BigInteger;
import sun.security.util.*;
/**
* This class defines the SerialNumber class used by certificates.
*
* @author Amit Kapoor
* @author Hemma Prafullchandra
*/
public class SerialNumber {
private BigInteger serialNum;
// Construct the class from the DerValue
private void construct(DerValue derVal) throws IOException {
serialNum = derVal.getBigInteger();
if (derVal.data.available() != 0) {
throw new IOException("Excess SerialNumber data");
}
}
/**
* The default constructor for this class using BigInteger.
*
* @param num the BigInteger number used to create the serial number.
*/
public SerialNumber(BigInteger num) {
serialNum = num;
}
/**
* The default constructor for this class using int.
*
* @param num the BigInteger number used to create the serial number.
*/
public SerialNumber(int num) {
serialNum = BigInteger.valueOf(num);
}
/**
* Create the object, decoding the values from the passed DER stream.
*
* @param in the DerInputStream to read the SerialNumber from.
* @exception IOException on decoding errors.
*/
public SerialNumber(DerInputStream in) throws IOException {
DerValue derVal = in.getDerValue();
construct(derVal);
}
/**
* Create the object, decoding the values from the passed DerValue.
*
* @param val the DerValue to read the SerialNumber from.
* @exception IOException on decoding errors.
*/
public SerialNumber(DerValue val) throws IOException {
construct(val);
}
/**
* Create the object, decoding the values from the passed stream.
*
* @param in the InputStream to read the SerialNumber from.
* @exception IOException on decoding errors.
*/
public SerialNumber(InputStream in) throws IOException {
DerValue derVal = new DerValue(in);
construct(derVal);
}
/**
* Return the SerialNumber as user readable string.
*/
public String toString() {
return ("SerialNumber: [" + Debug.toHexString(serialNum) + "]");
}
/**
* Encode the SerialNumber in DER form to the stream.
*
* @param out the DerOutputStream to marshal the contents to.
* @exception IOException on errors.
*/
public void encode(DerOutputStream out) throws IOException {
out.putInteger(serialNum);
}
/**
* Return the serial number.
*/
public BigInteger getNumber() {
return serialNum;
}
}
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