org.bouncycastle.crypto.general

Class ChaCha20.OperatorFactory

java.lang.Object

org.bouncycastle.crypto.general.ChaCha20.OperatorFactory

All Implemented Interfaces:

SymmetricOperatorFactory<ChaCha20.Parameters>

Enclosing class:

ChaCha20

public static final class ChaCha20.OperatorFactory
extends java.lang.Object

Factory for basic ChaCha20 encryption/decryption operators.

Constructor Summary

Constructors

Constructor and Description
OperatorFactory()

Method Summary

Modifier and Type	Method and Description
protected org.bouncycastle.crypto.internal.StreamCipher	createCipher(boolean forEncryption, SymmetricKey key, ChaCha20.Parameters parameters, java.security.SecureRandom random)
InputDecryptor<T>	createInputDecryptor(SymmetricKey key, T parameters) Return a decryptor that operates on an input stream.
OutputDecryptor<T>	createOutputDecryptor(SymmetricKey key, T parameters) Return a decryptor that operates on an output stream.
OutputEncryptor<T>	createOutputEncryptor(SymmetricKey key, T parameters) Return an encryptor that operates on an output stream.

Methods inherited from class java.lang.Object

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

Constructor Detail

OperatorFactory

public OperatorFactory()

Method Detail

createCipher

protected org.bouncycastle.crypto.internal.StreamCipher createCipher(boolean forEncryption,
                                                                     SymmetricKey key,
                                                                     ChaCha20.Parameters parameters,
                                                                     java.security.SecureRandom random)

createOutputEncryptor

public final OutputEncryptor<T> createOutputEncryptor(SymmetricKey key,
                                                      T parameters)

Description copied from interface: SymmetricOperatorFactory

Return an encryptor that operates on an output stream.

Specified by:

createOutputEncryptor in interface SymmetricOperatorFactory<T extends Parameters>

Parameters:

key - the key to initialize the encryptor with.

parameters - the parameters to use to initialize the encryptor.

Returns:

an OutputEncryptor

createOutputDecryptor

public OutputDecryptor<T> createOutputDecryptor(SymmetricKey key,
                                                T parameters)

Description copied from interface: SymmetricOperatorFactory

Return a decryptor that operates on an output stream.

Specified by:

createOutputDecryptor in interface SymmetricOperatorFactory<T extends Parameters>

Parameters:

key - the key to initialize the encryptor with.

parameters - the parameters to use to initialize the encryptor.

Returns:

an OutputDecryptor.

createInputDecryptor

public final InputDecryptor<T> createInputDecryptor(SymmetricKey key,
                                                    T parameters)

Description copied from interface: SymmetricOperatorFactory

Return a decryptor that operates on an input stream.

Specified by:

createInputDecryptor in interface SymmetricOperatorFactory<T extends Parameters>

Parameters:

key - the key to initialize the encryptor with.

parameters - the parameters to use to initialize the encryptor.

Returns:

an InputDecryptor.