org.bouncycastle.crypto.general

Class ChaCha20.Parameters

java.lang.Object

org.bouncycastle.crypto.general.GeneralParameters<GeneralAlgorithm>

org.bouncycastle.crypto.general.ChaCha20.Parameters

All Implemented Interfaces:

Parameters, ParametersWithIV

Enclosing class:

ChaCha20

public static final class ChaCha20.Parameters
extends GeneralParameters<GeneralAlgorithm>
implements ParametersWithIV

Parameters for ChaCha20 cipher.

Method Summary

Modifier and Type	Method and Description
int	getCounter()
byte[]	getIV() Return the initialization vector associated with this parameter set.
ChaCha20.Parameters	withCounter(int counter)
ChaCha20.Parameters	withIV(byte[] iv) Create a new parameter set with a different IV.
ChaCha20.Parameters	withIV(java.security.SecureRandom random) Create a new parameter set with a different IV based on the output of the passed in random.

Methods inherited from class org.bouncycastle.crypto.general.GeneralParameters

getAlgorithm

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.bouncycastle.crypto.Parameters

getAlgorithm

Method Detail

getIV

public byte[] getIV()

Description copied from interface: ParametersWithIV

Return the initialization vector associated with this parameter set.

Specified by:

getIV in interface ParametersWithIV

Returns:

the IV for these parameters.

getCounter

public int getCounter()

withIV

public ChaCha20.Parameters withIV(byte[] iv)

Description copied from interface: ParametersWithIV

Create a new parameter set with a different IV.

Specified by:

withIV in interface ParametersWithIV

Parameters:

iv - the IV to use.

Returns:

a copy of the current parameter set with the new IV.

withIV

public ChaCha20.Parameters withIV(java.security.SecureRandom random)

Description copied from interface: ParametersWithIV

Create a new parameter set with a different IV based on the output of the passed in random.

Specified by:

withIV in interface ParametersWithIV

Parameters:

random - the SecureRandom to use as the source of IV data.

Returns:

a copy of the current parameter set with the new IV.

withCounter

public ChaCha20.Parameters withCounter(int counter)