eTextReader
Class StringCrypto

java.lang.Object
  eTextReader.StringCrypto

public class StringCrypto
extends java.lang.Object

A class to encrypt and decrypt strings. The class reads a serialized SecretKey object from the file Hansens.dat. If the system property etext.KeyFileDirectory is specified, then it will first try to read the key from that directory. If the system property is not specified, or reading the key file in that directory fails, then the current working directory is tried

Version:

1.0 6-30-03

Author:

Chris Johnson (special thanks to Addison-Wesley), Ryan McFall

See Also:

DesEncrypter

Field Summary

(package private) javax.crypto.Cipher	dcipher
(package private) javax.crypto.Cipher	ecipher
(package private) javax.crypto.SecretKey	key
private static java.lang.String	KEY_FILE_NAME

Constructor Summary

StringCrypto()

Method Summary

java.lang.String	decrypt(java.lang.String str)
java.lang.String	encrypt(java.lang.String str)

Methods inherited from class java.lang.Object

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

Field Detail

KEY_FILE_NAME

private static final java.lang.String KEY_FILE_NAME

See Also:

Constant Field Values

ecipher

javax.crypto.Cipher ecipher

dcipher

javax.crypto.Cipher dcipher

key

javax.crypto.SecretKey key

Constructor Detail

StringCrypto

public StringCrypto()
             throws java.io.IOException,
                    java.lang.ClassNotFoundException

Throws:

java.io.IOException

java.lang.ClassNotFoundException

Method Detail

encrypt

public java.lang.String encrypt(java.lang.String str)

decrypt

public java.lang.String decrypt(java.lang.String str)