Package org.bouncycastle.pqc.math.ntru.parameters

Class NTRUHPSParameterSet

java.lang.Object

org.bouncycastle.pqc.math.ntru.parameters.NTRUParameterSet

org.bouncycastle.pqc.math.ntru.parameters.NTRUHPSParameterSet

Direct Known Subclasses:

NTRUHPS2048509, NTRUHPS2048677, NTRUHPS40961229, NTRUHPS4096821

public abstract class NTRUHPSParameterSet
extends NTRUParameterSet

Abstract class for NTRU-HPS parameter classes.

The naming convention for the classes is NTRUHPS[q][n]. e.g. NTRUHPS2048509 has n = 509 and q = 2048.

See Also:

• NTRUHPS2048509
• NTRUHPS2048677
• NTRUHPS4096821
• NTRU specification document section 1.3.2

Method Summary

Modifier and Type	Method	Description
Polynomial	createPolynomial()	Creates a polynomial based on this parameter set.
int	sampleFgBytes()
int	sampleRmBytes()
int	weight()

Methods inherited from class org.bouncycastle.pqc.math.ntru.parameters.NTRUParameterSet

logQ, n, ntruCiphertextBytes, ntruPublicKeyBytes, ntruSecretKeyBytes, owcpaBytes, owcpaMsgBytes, owcpaPublicKeyBytes, owcpaSecretKeyBytes, packDegree, packTrinaryBytes, prfKeyBytes, q, sampleFixedTypeBytes, sampleIidBytes, seedBytes, sharedKeyBytes

Methods inherited from class java.lang.Object

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

Method Details

createPolynomial

public Polynomial createPolynomial()

Description copied from class: NTRUParameterSet

Creates a polynomial based on this parameter set.

Specified by:

createPolynomial in class NTRUParameterSet

Returns:

an instance of Polynomial

sampleFgBytes

public int sampleFgBytes()

Specified by:

sampleFgBytes in class NTRUParameterSet

Returns:

sample_key_bits/8

sampleRmBytes

public int sampleRmBytes()

Specified by:

sampleRmBytes in class NTRUParameterSet

Returns:

sample_plaintext_bits/8

weight

public int weight()