com.kulana.core.foundation.crypto

Class SecretKeyManager

java.lang.Object

com.kulana.core.foundation.crypto.SecretKeyManager

public class SecretKeyManager
extends java.lang.Object

Utility for crypto key generation.

Author:

Alex Khursevich

Constructor Summary

Constructors

Constructor and Description
SecretKeyManager()

Method Summary

Methods

Modifier and Type	Method and Description
static javax.crypto.SecretKey	generateKey() Generates crypto key.
static javax.crypto.SecretKey	loadKey(java.io.File file) Loads crypto key from file.
static void	saveKey(javax.crypto.SecretKey key, java.io.File file) Saves crypto key to file.

Methods inherited from class java.lang.Object

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

Constructor Detail

SecretKeyManager

public SecretKeyManager()

Method Detail

generateKey

public static javax.crypto.SecretKey generateKey()
                                          throws java.security.NoSuchAlgorithmException

Generates crypto key.

Returns:

generated crypto key

Throws:

java.security.NoSuchAlgorithmException

saveKey

public static void saveKey(javax.crypto.SecretKey key,
           java.io.File file)
                    throws java.io.IOException

Saves crypto key to file.

Parameters:

key -

file -

Throws:

java.io.IOException - if file not found

loadKey

public static javax.crypto.SecretKey loadKey(java.io.File file)
                                      throws java.io.IOException

Loads crypto key from file.

Parameters:

file -

Returns:

generated crypto key

Throws:

java.io.IOException - if file not found