Package org.cryptomator.cryptolib.common

Class AesKeyWrap

java.lang.Object

org.cryptomator.cryptolib.common.AesKeyWrap

public class AesKeyWrap
extends Object

Constructor Summary

Constructors

Constructor	Description
AesKeyWrap()

Method Summary

Modifier and Type	Method	Description
static DestroyableSecretKey	unwrap(DestroyableSecretKey kek, byte[] wrappedKey, String wrappedKeyAlgorithm)
static byte[]	wrap(DestroyableSecretKey kek, SecretKey key)

Methods inherited from class java.lang.Object

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

Constructor Detail

AesKeyWrap

public AesKeyWrap()

Method Detail

wrap

public static byte[] wrap(DestroyableSecretKey kek,
                          SecretKey key)

Parameters:

kek - Key encrypting key

key - Key to be wrapped

Returns:

Wrapped key

unwrap

public static DestroyableSecretKey unwrap(DestroyableSecretKey kek,
                                          byte[] wrappedKey,
                                          String wrappedKeyAlgorithm)
                                   throws InvalidKeyException

Parameters:

kek - Key encrypting key

wrappedKey - Key to be unwrapped

wrappedKeyAlgorithm - Key designation, i.e. algorithm to be associated with the unwrapped key.

Returns:

Unwrapped key

Throws:

InvalidKeyException - If unwrapping failed (i.e. wrong kek)