edu.jhu.tmaj.util.crypt
Class KeyManagementUtil

java.lang.Object
  edu.jhu.tmaj.util.crypt.KeyManagementUtil

final class KeyManagementUtil
extends java.lang.Object

A utility class for creating, storing, or getting a key or iv.

Field Summary

(package private) static java.lang.String	ALGORITHM_NAME
(package private) static java.lang.String	IV_FILE_NAME
(package private) static java.lang.String	SECRET_KEY_FILE_NAME

Constructor Summary

KeyManagementUtil()

Method Summary

protected static void	createAndWriteKeyAndIV() creates a new key and initialation list and writes them to disk.
(package private) static javax.crypto.Cipher	getCipher()
static void	main(java.lang.String[] args)
(package private) static byte[]	retrieveIV()
(package private) static java.security.Key	retrieveKey()

Methods inherited from class java.lang.Object

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

Field Detail

ALGORITHM_NAME

static final java.lang.String ALGORITHM_NAME

See Also:

Constant Field Values

SECRET_KEY_FILE_NAME

static final java.lang.String SECRET_KEY_FILE_NAME

See Also:

Constant Field Values

IV_FILE_NAME

static final java.lang.String IV_FILE_NAME

See Also:

Constant Field Values

Constructor Detail

KeyManagementUtil

KeyManagementUtil()

Method Detail

retrieveKey

static java.security.Key retrieveKey()
                              throws java.io.IOException,
                                     java.lang.ClassNotFoundException

Throws:

java.io.IOException

java.lang.ClassNotFoundException

retrieveIV

static byte[] retrieveIV()
                  throws java.io.IOException

Throws:

java.io.IOException

getCipher

static javax.crypto.Cipher getCipher()
                              throws java.security.NoSuchAlgorithmException,
                                     javax.crypto.NoSuchPaddingException

Throws:

java.security.NoSuchAlgorithmException

javax.crypto.NoSuchPaddingException

createAndWriteKeyAndIV

protected static void createAndWriteKeyAndIV()

creates a new key and initialation list and writes them to disk. program exits upon completion

main

public static void main(java.lang.String[] args)
                 throws java.io.IOException

Throws:

java.io.IOException