Module org.cryptomator.cryptolib

Package org.cryptomator.cryptolib.api

Class Masterkey

java.lang.Object

org.cryptomator.cryptolib.common.DestroyableSecretKey

org.cryptomator.cryptolib.api.Masterkey

All Implemented Interfaces:

Serializable, AutoCloseable, Key, SecretKey, Destroyable

public class Masterkey
extends DestroyableSecretKey

See Also:

• Serialized Form

Field Summary

Fields

Modifier and Type	Field	Description
static final String	ENC_ALG
static final String	MAC_ALG
static final int	SUBKEY_LEN_BYTES

Fields inherited from interface javax.crypto.SecretKey

serialVersionUID

Constructor Summary

Constructors

Constructor	Description
Masterkey(byte[] key)

Method Summary

Modifier and Type	Method	Description
Masterkey	copy()	Returns an independent copy of this key
static Masterkey	from(DestroyableSecretKey encKey, DestroyableSecretKey macKey)
static Masterkey	generate(SecureRandom csprng)
DestroyableSecretKey	getEncKey()	Get the encryption subkey.
DestroyableSecretKey	getMacKey()	Get the MAC subkey.

Methods inherited from class org.cryptomator.cryptolib.common.DestroyableSecretKey

close, destroy, equals, from, generate, getAlgorithm, getEncoded, getFormat, hashCode, isDestroyed

Methods inherited from class java.lang.Object

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

Field Details

ENC_ALG

public static final String ENC_ALG

See Also:

• Constant Field Values

MAC_ALG

public static final String MAC_ALG

See Also:

• Constant Field Values

SUBKEY_LEN_BYTES

public static final int SUBKEY_LEN_BYTES

See Also:

• Constant Field Values

Constructor Details

Masterkey

public Masterkey(byte[] key)

Method Details

generate

public static Masterkey generate(SecureRandom csprng)

from

public static Masterkey from(DestroyableSecretKey encKey,
 DestroyableSecretKey macKey)

copy

public Masterkey copy()

Description copied from class: DestroyableSecretKey

Returns an independent copy of this key

Overrides:

copy in class DestroyableSecretKey

Returns:

New copy of this

getEncKey

public DestroyableSecretKey getEncKey()

Get the encryption subkey.

Returns:

A new copy of the subkey used for encryption

getMacKey

public DestroyableSecretKey getMacKey()

Get the MAC subkey.

Returns:

A new copy of the subkey used for message authentication