Package org.bouncycastle.pqc.math.ntru

Class HPSPolynomial

java.lang.Object

org.bouncycastle.pqc.math.ntru.Polynomial

org.bouncycastle.pqc.math.ntru.HPSPolynomial

Direct Known Subclasses:

HPS4096Polynomial

public class HPSPolynomial
extends Polynomial

Field Summary

Fields inherited from class org.bouncycastle.pqc.math.ntru.Polynomial

coeffs, params

Constructor Summary

Constructors

Constructor	Description
HPSPolynomial(NTRUHPSParameterSet params)

Method Summary

Modifier and Type	Method	Description
void	lift(Polynomial a)
void	sqFromBytes(byte[] a)	Unpack a Sq polynomial
byte[]	sqToBytes(int len)	Pack Sq polynomial as a byte array

Methods inherited from class org.bouncycastle.pqc.math.ntru.Polynomial

mod3PhiN, modQPhiN, r2Inv, rqInv, rqMul, rqSumZeroFromBytes, rqSumZeroToBytes, rqToS3, s3FromBytes, s3Inv, s3Mul, s3ToBytes, sqMul, trinaryZqToZ3, z3ToZq

Methods inherited from class java.lang.Object

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

Constructor Details

HPSPolynomial

public HPSPolynomial(NTRUHPSParameterSet params)

Method Details

sqToBytes

public byte[] sqToBytes(int len)

Description copied from class: Polynomial

Pack Sq polynomial as a byte array

Specified by:

sqToBytes in class Polynomial

Parameters:

len - array length of packed polynomial

Returns:

See Also:

• NTRU specification section 1.8.5

sqFromBytes

public void sqFromBytes(byte[] a)

Description copied from class: Polynomial

Unpack a Sq polynomial

Specified by:

sqFromBytes in class Polynomial

Parameters:

a - byte array of packed polynomial

See Also:

• NTRU specification section 1.8.6

lift

public void lift(Polynomial a)

Specified by:

lift in class Polynomial

See Also:

• NTRU specification section 1.9.3