org.bouncycastle.pqc.crypto.mlkem

Class Ntt

java.lang.Object

org.bouncycastle.pqc.crypto.mlkem.Ntt

class Ntt
extends Object

Number Theoretic Transform (NTT) implementation for ML-KEM operations. Provides efficient polynomial multiplication using number theoretic transforms.

Field Summary

Fields

Modifier and Type	Field and Description
static short[]	nttZetas
static short[]	nttZetasInv

Constructor Summary

Constructors

Constructor and Description
Ntt()

Method Summary

Modifier and Type	Method and Description
static void	baseMult(Poly outPoly, int outIndex, short a0, short a1, short b0, short b1, short zeta)
static short	factorQMulMont(short a, short b)
static short[]	invNtt(short[] inp)
static short[]	ntt(short[] inp)

Methods inherited from class java.lang.Object

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

Field Detail

nttZetas

public static final short[] nttZetas

nttZetasInv

public static final short[] nttZetasInv

Constructor Detail

Ntt

Ntt()

Method Detail

baseMult

public static void baseMult(Poly outPoly,
                            int outIndex,
                            short a0,
                            short a1,
                            short b0,
                            short b1,
                            short zeta)

factorQMulMont

public static short factorQMulMont(short a,
                                   short b)

invNtt

public static short[] invNtt(short[] inp)

ntt

public static short[] ntt(short[] inp)