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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, Hemma Prafullchandra
/** * 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.
Params:
  • num – the BigInteger number used to create the serial number.
/** * 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.
Params:
  • num – the BigInteger number used to create the serial number.
/** * 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.
Params:
  • in – the DerInputStream to read the SerialNumber from.
Throws:
/** * 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.
Params:
  • val – the DerValue to read the SerialNumber from.
Throws:
/** * 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.
Params:
  • in – the InputStream to read the SerialNumber from.
Throws:
/** * 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.
/** * Return the SerialNumber as user readable string. */
public String toString() { return ("SerialNumber: [" + Debug.toHexString(serialNum) + "]"); }
Encode the SerialNumber in DER form to the stream.
Params:
  • out – the DerOutputStream to marshal the contents to.
Throws:
/** * 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.
/** * Return the serial number. */
public BigInteger getNumber() { return serialNum; } }