Masterkey (Cryptomator Crypto Library 2.1.2 API)

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 String ENC_ALG

static String MAC_ALG

static int SUBKEY_LEN_BYTES
- Fields inherited from interface javax.crypto.SecretKey
  serialVersionUID

Constructor Summary

Constructors
Constructor Description

Masterkey(byte[] key)

Method Summary

All Methods Static Methods Instance Methods Concrete Methods
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 Detail
  - 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 Detail
  - Masterkey
```
public Masterkey(byte[] key)
```
- Method Detail
  - 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