org.tn5250j.tools

Class DESSHA1

java.lang.Object

org.tn5250j.tools.DESSHA1

All Implemented Interfaces:

Serializable

public class DESSHA1
extends Object
implements Serializable

See Also:

Serialized Form

Constructor Summary

Constructors

Constructor and Description
DESSHA1() Creates a new MessageDigest instance.

Method Summary

Modifier and Type	Method and Description
static String	bytesToHex(byte[] data) This utility method is passed an array of bytes.
String	digest(String identifier, String key) used to hash passwords and other key data to fireSend over the wire, to prevent plaintext transmit.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

DESSHA1

public DESSHA1()
        throws InstantiationException

Creates a new MessageDigest instance.

Throws:

InstantiationException - an exception

Method Detail

digest

public String digest(String identifier,
                     String key)

used to hash passwords and other key data to fireSend over the wire, to prevent plaintext transmit.

Parameters:

identifier - prefix, such as the SessionID

key - passkey, such as password or handshake

Returns:

String with the hash in hex string form

bytesToHex

public static String bytesToHex(byte[] data)

This utility method is passed an array of bytes. It returns this array as a String in hexadecimal format. This is used internally by digest(). Data is returned in the format specified by the Jabber protocol.

Parameters:

data - some bytes

Returns:

String of our hex bytes