org.bouncycastle.pqc.crypto.mlkem

Class Symmetric

java.lang.Object

org.bouncycastle.pqc.crypto.mlkem.Symmetric

Direct Known Subclasses:

Symmetric.ShakeSymmetric

abstract class Symmetric
extends Object

Abstract base class for symmetric cryptographic primitives in ML-KEM. Provides hash function interfaces for different symmetric operations.

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
(package private) static class	Symmetric.ShakeSymmetric SHAKE-based symmetric implementation for ML-KEM operations.

Field Summary

Fields

Modifier and Type	Field and Description
(package private) int	xofBlockBytes

Constructor Summary

Constructors

Constructor and Description
Symmetric(int blockBytes)

Method Summary

Modifier and Type	Method and Description
(package private) abstract void	hash_g(byte[] out, byte[] in)
(package private) abstract void	hash_h(byte[] out, byte[] in, int outOffset)
(package private) abstract void	kdf(byte[] out, byte[] in)
(package private) abstract void	prf(byte[] out, byte[] key, byte nonce)
(package private) abstract void	xofAbsorb(byte[] seed, byte x, byte y)
(package private) abstract void	xofSqueezeBlocks(byte[] out, int outOffset, int outLen)

Methods inherited from class java.lang.Object

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

Field Detail

xofBlockBytes

final int xofBlockBytes

Constructor Detail

Symmetric

Symmetric(int blockBytes)

Method Detail

hash_g

abstract void hash_g(byte[] out,
                     byte[] in)

hash_h

abstract void hash_h(byte[] out,
                     byte[] in,
                     int outOffset)

kdf

abstract void kdf(byte[] out,
                  byte[] in)

prf

abstract void prf(byte[] out,
                  byte[] key,
                  byte nonce)

xofAbsorb

abstract void xofAbsorb(byte[] seed,
                        byte x,
                        byte y)

xofSqueezeBlocks

abstract void xofSqueezeBlocks(byte[] out,
                               int outOffset,
                               int outLen)