org.posper.tpv.util

Class AESUtil

java.lang.Object

org.posper.tpv.util.AESUtil

public class AESUtil
extends Object

Util class for AES encryption and decryption of a long number

Constructor Summary

Constructors

Constructor and Description
AESUtil()

Method Summary

Modifier and Type	Method and Description
static long	decryptCTR(byte[] concatenatedHashValue, String base64EncryptedLong, SecretKey symmetricKey) AES decryption of a long in CTR mode
static String	encryptCTR(byte[] concatenatedHashValue, Long number, SecretKey symmetricKey) AES encryption of a long in CTR mode

Methods inherited from class java.lang.Object

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

Constructor Detail

AESUtil

public AESUtil()

Method Detail

encryptCTR

public static String encryptCTR(byte[] concatenatedHashValue,
                                Long number,
                                SecretKey symmetricKey)
                         throws NoSuchAlgorithmException,
                                NoSuchProviderException,
                                NoSuchPaddingException,
                                InvalidKeyException,
                                InvalidAlgorithmParameterException,
                                IllegalBlockSizeException,
                                BadPaddingException

AES encryption of a long in CTR mode

Throws:

NoSuchAlgorithmException

NoSuchProviderException

NoSuchPaddingException

InvalidKeyException

InvalidAlgorithmParameterException

IllegalBlockSizeException

BadPaddingException

decryptCTR

public static long decryptCTR(byte[] concatenatedHashValue,
                              String base64EncryptedLong,
                              SecretKey symmetricKey)
                       throws NoSuchAlgorithmException,
                              NoSuchProviderException,
                              NoSuchPaddingException,
                              InvalidKeyException,
                              InvalidAlgorithmParameterException,
                              IllegalBlockSizeException,
                              BadPaddingException

AES decryption of a long in CTR mode

Throws:

NoSuchAlgorithmException

NoSuchProviderException

NoSuchPaddingException

InvalidKeyException

InvalidAlgorithmParameterException

IllegalBlockSizeException

BadPaddingException