org.linguafranca.pwdb.security

Class ChaCha

java.lang.Object

org.linguafranca.pwdb.security.ChaCha

All Implemented Interfaces:

CipherAlgorithm

public class ChaCha
extends Object
implements CipherAlgorithm

ChaCha20 may be used for the inner stream as well as for the underlying database encryption scheme

A singleton

Method Summary

Modifier and Type	Method and Description
UUID	getCipherUuid() Returns the UUID of this algorithm
InputStream	getDecryptedInputStream(InputStream encryptedInputStream, byte[] key, byte[] iv) Create a decrypted stream from the supplied encrypted one
OutputStream	getEncryptedOutputStream(OutputStream decryptedOutputStream, byte[] key, byte[] iv) Create an encrypted stream from the supplied unencrypted one
static ChaCha	getInstance()
String	getName() Return the name of this algorithm

Methods inherited from class java.lang.Object

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

Method Detail

getInstance

public static ChaCha getInstance()

getCipherUuid

public UUID getCipherUuid()

Description copied from interface: CipherAlgorithm

Returns the UUID of this algorithm

Specified by:

getCipherUuid in interface CipherAlgorithm

getName

public String getName()

Description copied from interface: CipherAlgorithm

Return the name of this algorithm

Specified by:

getName in interface CipherAlgorithm

getDecryptedInputStream

public InputStream getDecryptedInputStream(InputStream encryptedInputStream,
                                           byte[] key,
                                           byte[] iv)

Description copied from interface: CipherAlgorithm

Create a decrypted stream from the supplied encrypted one

Specified by:

getDecryptedInputStream in interface CipherAlgorithm

Parameters:

encryptedInputStream - an encrypted stream

key - the decryption key

iv - the iv

Returns:

an unencrypted stream

getEncryptedOutputStream

public OutputStream getEncryptedOutputStream(OutputStream decryptedOutputStream,
                                             byte[] key,
                                             byte[] iv)

Description copied from interface: CipherAlgorithm

Create an encrypted stream from the supplied unencrypted one

Specified by:

getEncryptedOutputStream in interface CipherAlgorithm

Parameters:

decryptedOutputStream - an unencrypted stream

key - a key

iv - an iv

Returns:

an encrypted stream