ibspan.tss.agents.sha.session
Class DesEncrypter

java.lang.Object
  ibspan.tss.agents.sha.session.DesEncrypter

public class DesEncrypter
extends Object

Simple class realizing DES-encrypting and decrypting procedures.

Author:

Patrick Chan, Maciej Gawinecki

Constructor Summary

DesEncrypter(SecretKey key)
Constructs DesEncrypter.

Method Summary

String	decrypt(String str) Returns the given string, which was previously DES-encrypted with this DesEncrypter, in a plain text form.
String	encrypt(String str) Returns the given string in a DES-encrypted form.

Methods inherited from class java.lang.Object

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

Constructor Detail

DesEncrypter

public DesEncrypter(SecretKey key)

Constructs DesEncrypter.

Parameters:

key - is the A secret (symmetric) key which will be used to initialize encrypting and decrypting procedures.

Method Detail

encrypt

public String encrypt(String str)

Returns the given string in a DES-encrypted form.

Parameters:

str - is a plain text to be encrypted

Returns:

encrypted form of a given string.

decrypt

public String decrypt(String str)

Returns the given string, which was previously DES-encrypted with this DesEncrypter, in a plain text form.

Parameters:

str - is encrypted text to be descrypted.

Returns:

plain text