Top Description Fields Constructors Methods

org.bouncycastle.crypto.fips

public Class FipsNonceGenerator

Class Inheritance

extends Object

java.lang.Object
org.bouncycastle.crypto.fips.FipsNonceGenerator

Imports

org.bouncycastle.crypto.CryptoServicesRegistrar, org.bouncycastle.util.Arrays

Nonce generator for use with AEAD ciphers such as GCM. The generator guarantees the sequence number cannot wrap or go backwards.

Field Summary

Modifier and Type	Field and Description
private final byte[]	baseNonce
private final int	counterBytes
private boolean	counterExhausted
private final long	counterMask
private long	counterValue

Constructor Summary

Access	Constructor and Description
public	FipsNonceGenerator(byte[] baseNonce, int counterBits)

Method Summary

Modifier and Type	Method and Description
public void	generateNonce(byte[] nonce)
private void	xorCounter(byte[] buf, int off)

Inherited from java.lang.Object:: clone equals finalize getClass hashCode notify notifyAll toString wait wait wait

Field Detail

baseNonce	back to summary
private final byte[] baseNonce

counterBytes	back to summary
private final int counterBytes

counterExhausted	back to summary
private boolean counterExhausted

counterMask	back to summary
private final long counterMask

counterValue	back to summary
private long counterValue

Constructor Detail

FipsNonceGenerator	back to summary
public FipsNonceGenerator(byte[] baseNonce, int counterBits)

Method Detail

generateNonce	back to summary
public void generateNonce(byte[] nonce)

xorCounter	back to summary
private void xorCounter(byte[] buf, int off)