lumis.util.security
Class MessageDigestEncryptor

java.lang.Object
  lumis.util.security.MessageDigestEncryptor

All Implemented Interfaces:

IEncryptor

public class MessageDigestEncryptor
extends Object
implements IEncryptor

Uses a MessageDigest algorithm to encrypt data.

In the configuration, the value of algorithm node is used to specify the MessageDigest algorithm. If not specified the SHA-1 algorithm is used.

See Also:

MessageDigest

Constructor Summary

MessageDigestEncryptor()

Method Summary

String	decrypt(String value) Decrypts a string.
String	encrypt(String value) Encrypts a string.
void	init(Node configuration) This method is called only once and before any other method are called.

Methods inherited from class java.lang.Object

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

Constructor Detail

MessageDigestEncryptor

public MessageDigestEncryptor()

Method Detail

init

public void init(Node configuration)
          throws Exception

Description copied from interface: IEncryptor

This method is called only once and before any other method are called. This allows the encryptor to initialize itself and read any custom configuration.

Specified by:

init in interface IEncryptor

Throws:

Exception

encrypt

public String encrypt(String value)
               throws Exception

Description copied from interface: IEncryptor

Encrypts a string.

Specified by:

encrypt in interface IEncryptor

Parameters:

value - the original string.

Returns:

the encrypted string.

Throws:

Exception

decrypt

public String decrypt(String value)
               throws Exception

Description copied from interface: IEncryptor

Decrypts a string.

Specified by:

decrypt in interface IEncryptor

Parameters:

value - the encrypted string.

Returns:

the string decrypted.

Throws:

Exception