org.jboss.aerogear.crypto
Class CryptoBox

java.lang.Object
  org.jboss.aerogear.crypto.CryptoBox

public class CryptoBox
extends Object

Class responsible for box and unbox crypto messages given the key

Field Summary

private byte[]	authData
private org.bouncycastle.crypto.modes.AEADBlockCipher	cipher
private byte[]	key

Constructor Summary

CryptoBox(byte[] key)
Initializes the box providing the secret key

CryptoBox(PrivateKey key)
Initializes the box providing the secret key

CryptoBox(PrivateKey privateKey, PublicKey publicKey)
Initializes the box providing the key pair for asymmetric encryption

CryptoBox(String key, Encoder encoder)
Initializes the box providing the secret key and encoder

Method Summary

byte[]	decrypt(byte[] IV, byte[] cipherText) Given the IV, decrypt the provided data
byte[]	decrypt(String IV, String cipherText, Encoder encoder) Given the IV, decrypt the provided data
byte[]	encrypt(byte[] IV, byte[] message) Given the IV, encrypt the provided data
byte[]	encrypt(String IV, String message, Encoder encoder) Given the IV, encrypt and encode the provided data
private byte[]	generateSecret(PrivateKey privateKey, PublicKey publicKey)
void	updateAAD(byte[] authData)

Methods inherited from class java.lang.Object

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

Field Detail

key

private byte[] key

cipher

private org.bouncycastle.crypto.modes.AEADBlockCipher cipher

authData

private byte[] authData

Constructor Detail

CryptoBox

public CryptoBox(byte[] key)

Initializes the box providing the secret key

Parameters:

key - byte array

CryptoBox

public CryptoBox(PrivateKey key)

Initializes the box providing the secret key

Parameters:

key - reference to the PrivateKey

CryptoBox

public CryptoBox(String key,
                 Encoder encoder)

Initializes the box providing the secret key and encoder

Parameters:

key -

encoder -

CryptoBox

public CryptoBox(PrivateKey privateKey,
                 PublicKey publicKey)

Initializes the box providing the key pair for asymmetric encryption

Parameters:

privateKey -

publicKey -

Method Detail

generateSecret

private byte[] generateSecret(PrivateKey privateKey,
                              PublicKey publicKey)

encrypt

public byte[] encrypt(byte[] IV,
                      byte[] message)
               throws RuntimeException

Given the IV, encrypt the provided data

Parameters:

IV - initialization vector

message - data to be encrypted

Returns:

byte array with the cipher text

Throws:

RuntimeException

encrypt

public byte[] encrypt(String IV,
                      String message,
                      Encoder encoder)

Given the IV, encrypt and encode the provided data

Parameters:

IV - initialization vector

message - data to be encrypted

encoder - encoder provided RAW or HEX

Returns:

byte array with the cipher text

decrypt

public byte[] decrypt(byte[] IV,
                      byte[] cipherText)
               throws RuntimeException

Given the IV, decrypt the provided data

Parameters:

IV - initialization vector

cipherText - data to be decrypted

Returns:

byte array with the plain text

Throws:

RuntimeException

decrypt

public byte[] decrypt(String IV,
                      String cipherText,
                      Encoder encoder)

Given the IV, decrypt the provided data

Parameters:

IV - initialization vector

cipherText - data to be decrypted

encoder - encoder provided RAW or HEX

Returns:

byte array with the plain text

updateAAD

public void updateAAD(byte[] authData)