org.smallmind.nutsnbolts.security

Class SHA3

java.lang.Object

org.smallmind.nutsnbolts.security.SHA3

public class SHA3
extends Object

Constructor Summary

Constructors

Constructor and Description
SHA3(int r, int c, int n) Initialise Keccak sponge

Method Summary

Modifier and Type	Method and Description
byte[]	digest() Squeeze the Keccak sponge
byte[]	digest(byte[] msg) Absorb the last part of the message and squeeze the Keccak sponge
byte[]	digest(byte[] msg, int msglen) Absorb the last part of the message and squeeze the Keccak sponge
void	reset()
void	update(byte[] msg) Absorb the more of the message message to the Keccak sponge
void	update(byte[] msg, int msglen) Absorb the more of the message message to the Keccak sponge

Methods inherited from class java.lang.Object

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

Constructor Detail

SHA3

public SHA3(int r,
            int c,
            int n)

Initialise Keccak sponge

Parameters:

r - The bitrate

c - The capacity

Method Detail

reset

public void reset()

update

public void update(byte[] msg)

Absorb the more of the message message to the Keccak sponge

Parameters:

msg - The partial message

update

public void update(byte[] msg,
                   int msglen)

Absorb the more of the message message to the Keccak sponge

Parameters:

msg - The partial message

msglen - The length of the partial message

digest

public byte[] digest()

Squeeze the Keccak sponge

digest

public byte[] digest(byte[] msg)

Absorb the last part of the message and squeeze the Keccak sponge

Parameters:

msg - The rest of the message

digest

public byte[] digest(byte[] msg,
                     int msglen)

Absorb the last part of the message and squeeze the Keccak sponge

Parameters:

msg - The rest of the message

msglen - The length of the partial message