java.lang.Object
- org.bouncycastle.crypto.engines.RFC3394WrapEngine

All Implemented Interfaces:

Wrapper

Direct Known Subclasses:

AESWrapEngine, ARIAWrapEngine, CamelliaWrapEngine, SEEDWrapEngine
```
public class RFC3394WrapEngine
extends java.lang.Object
implements Wrapper
```
an implementation of the AES Key Wrapper from the NIST Key Wrap Specification as described in RFC 3394.
For further details see: https://www.ietf.org/rfc/rfc3394.txt and https://csrc.nist.gov/encryption/kms/key-wrap.pdf.

Constructor Summary

Constructors
Constructor	Description
`RFC3394WrapEngine(BlockCipher engine)`	Create a RFC 3394 WrapEngine specifying the encrypt for wrapping, decrypt for unwrapping.
`RFC3394WrapEngine(BlockCipher engine, boolean useReverseDirection)`	Create a RFC 3394 WrapEngine specifying the direction for wrapping and unwrapping..

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`java.lang.String`	`getAlgorithmName()`	Return the name of the algorithm the wrapper implements.
`void`	`init(boolean forWrapping, CipherParameters param)`
`byte[]`	`unwrap(byte[] in, int inOff, int inLen)`
`byte[]`	`wrap(byte[] in, int inOff, int inLen)`

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

- Constructor Detail
  - RFC3394WrapEngine
```
public RFC3394WrapEngine(BlockCipher engine)
```
    Create a RFC 3394 WrapEngine specifying the encrypt for wrapping, decrypt for unwrapping.
    
    Parameters:
    
    engine - the block cipher to be used for wrapping.
  - RFC3394WrapEngine
```
public RFC3394WrapEngine(BlockCipher engine,
                         boolean useReverseDirection)
```
    Create a RFC 3394 WrapEngine specifying the direction for wrapping and unwrapping..
    
    Parameters:
    
    engine - the block cipher to be used for wrapping.
    
    useReverseDirection - true if engine should be used in decryption mode for wrapping, false otherwise.
- Method Detail
  - init
```
public void init(boolean forWrapping,
                 CipherParameters param)
```
    Specified by:
    
    init in interface Wrapper
  - getAlgorithmName
```
public java.lang.String getAlgorithmName()
```
    Description copied from interface: Wrapper
    
    Return the name of the algorithm the wrapper implements.
    
    Specified by:
    
    getAlgorithmName in interface Wrapper
    
    Returns:
    
    the name of the algorithm the wrapper implements.
  - wrap
```
public byte[] wrap(byte[] in,
                   int inOff,
                   int inLen)
```
    Specified by:
    
    wrap in interface Wrapper
  - unwrap
```
public byte[] unwrap(byte[] in,
                     int inOff,
                     int inLen)
              throws InvalidCipherTextException
```
    Specified by:
    
    unwrap in interface Wrapper
    
    Throws:
    
    InvalidCipherTextException

Class RFC3394WrapEngine

Constructor Summary

Method Summary

Methods inherited from class java.lang.Object

Constructor Detail

RFC3394WrapEngine

RFC3394WrapEngine

Method Detail

init

getAlgorithmName

wrap

unwrap