de.pawlidi.openaletheia.utils

Class StringCipher

java.lang.Object

de.pawlidi.openaletheia.utils.StringCipher

All Implemented Interfaces:

Serializable

public final class StringCipher
extends Object
implements Serializable

The class is created with a key and can be used repeatedly to encrypt and decrypt strings using specific key. Some of the more popular algorithms are: Blowfish DES DESede PBEWithMD5AndDES PBEWithMD5AndTripleDES TripleDES

Author:

PAWLIDIM Create: 23:47:08 15.05.2015

See Also:

Serialized Form

Constructor Summary

Constructors

Constructor and Description
StringCipher(SecretKey key, String algorithm) Constructor used to create this object.

Method Summary

Modifier and Type	Method and Description
String	decrypt(String data) Takes a encrypted String as argument, decrypts it and returns the decrypted String.
String	encrypt(String data) Takes a single String as an argument and returns an Encrypted version of that String.

Methods inherited from class java.lang.Object

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

Constructor Detail

StringCipher

public StringCipher(SecretKey key,
                    String algorithm)

Constructor used to create this object. Responsible for setting and initializing this object's encrypter and decrypter Chipher instances given a Secret Key and algorithm.

Parameters:

key - Secret Key used to initialize both the encrypter and decrypter instances.

algorithm - Which algorithm to use for creating the encrypter and decrypter instances.

Method Detail

encrypt

public String encrypt(String data)

Takes a single String as an argument and returns an Encrypted version of that String.

Parameters:

str - String to be encrypted

Returns:

String Encrypted version of the provided String

decrypt

public String decrypt(String data)

Takes a encrypted String as argument, decrypts it and returns the decrypted String.

Parameters:

data - Encrypted String to be decrypted

Returns:

String Decrypted version of the provided String