Nested and Inner Type Summary

Modifier and Type	Class and Description
private class	NTRUSigningKeyPairGenerator.BasisGenerationTask
public static class	NTRUSigningKeyPairGenerator.FGBasis A subclass of Basis that additionally contains the polynomials `F` and `G`.

Field Summary

Modifier and Type	Field and Description
private NTRUSigningKeyGenerationParameters	params

Constructor Summary

Access	Constructor and Description
public	NTRUSigningKeyPairGenerator()

Method Summary

Modifier and Type	Method and Description
private NTRUSigningKeyPairGenerator.FGBasis	generateBasis() Creates a NTRUSigner basis consisting of polynomials `f, g, F, G, h`.
public NTRUSigningPrivateKeyParameters.Basis	Returns: a NTRUSigner basis generateBoundedBasis() Creates a basis such that `\|F\| < keyNormBound` and `\|G\| < keyNormBound`
public AsymmetricCipherKeyPair	Returns: a key pair generateKeyPair() Implements org.bouncycastle.crypto.AsymmetricCipherKeyPairGenerator.generateKeyPair. Generates a new signature key pair.
public AsymmetricCipherKeyPair	Returns: a key pair generateKeyPairSingleThread() Generates a new signature key pair.
public void	init(KeyGenerationParameters the parameters the key pair is to be initialised with. param) Implements org.bouncycastle.crypto.AsymmetricCipherKeyPairGenerator.init. intialise the key pair generator.
private void	minimizeFG(IntegerPolynomial f, IntegerPolynomial g, IntegerPolynomial F, IntegerPolynomial G, int N)

Inherited from java.lang.Object:: clone equals finalize getClass hashCode notify notifyAll toString wait wait wait

Field Detail

params	back to summary
private NTRUSigningKeyGenerationParameters params

Constructor Detail

NTRUSigningKeyPairGenerator	back to summary
public NTRUSigningKeyPairGenerator()

Method Detail

generateBasis back to summary

generateBasis	back to summary
private NTRUSigningKeyPairGenerator.FGBasis generateBasis() Creates a NTRUSigner basis consisting of polynomials `f, g, F, G, h`. If `KeyGenAlg=FLOAT`, the basis may not be valid and this method must be rerun if that is the case. See Also `generateBoundedBasis()`

private NTRUSigningKeyPairGenerator.FGBasis generateBasis()

Creates a NTRUSigner basis consisting of polynomials f, g, F, G, h.
If KeyGenAlg=FLOAT, the basis may not be valid and this method must be rerun if that is the case.

See Also: generateBoundedBasis()

generateBoundedBasis back to summary

generateBoundedBasis	back to summary
public NTRUSigningPrivateKeyParameters.Basis generateBoundedBasis() Creates a basis such that `\|F\| < keyNormBound` and `\|G\| < keyNormBound` Returns:NTRUSigningPrivateKeyParameters.Basis a NTRUSigner basis

public NTRUSigningPrivateKeyParameters.Basis generateBoundedBasis()

Creates a basis such that |F| < keyNormBound and |G| < keyNormBound

Returns:NTRUSigningPrivateKeyParameters.Basis: a NTRUSigner basis

generateKeyPair back to summary

generateKeyPair	back to summary
public AsymmetricCipherKeyPair generateKeyPair() Implements org.bouncycastle.crypto.AsymmetricCipherKeyPairGenerator.generateKeyPair. Generates a new signature key pair. Starts `B+1` threads. Returns:AsymmetricCipherKeyPair a key pair

public AsymmetricCipherKeyPair generateKeyPair()

Implements org.bouncycastle.crypto.AsymmetricCipherKeyPairGenerator.generateKeyPair.

Generates a new signature key pair. Starts B+1 threads.

Returns:AsymmetricCipherKeyPair: a key pair

generateKeyPairSingleThread	back to summary
public AsymmetricCipherKeyPair generateKeyPairSingleThread() Generates a new signature key pair. Runs in a single thread. Returns:AsymmetricCipherKeyPair a key pair

generateKeyPairSingleThread

back to summary

public AsymmetricCipherKeyPair generateKeyPairSingleThread()

Generates a new signature key pair. Runs in a single thread.

Returns:AsymmetricCipherKeyPair: a key pair

init	back to summary
public void init(KeyGenerationParameters param) Implements org.bouncycastle.crypto.AsymmetricCipherKeyPairGenerator.init. Doc from org.bouncycastle.crypto.AsymmetricCipherKeyPairGenerator.init. intialise the key pair generator. Parameters param:KeyGenerationParameters the parameters the key pair is to be initialised with.

init

back to summary

public void init(KeyGenerationParameters param)

Implements org.bouncycastle.crypto.AsymmetricCipherKeyPairGenerator.init.

Doc from org.bouncycastle.crypto.AsymmetricCipherKeyPairGenerator.init.

intialise the key pair generator.

Parameters

param:KeyGenerationParameters: the parameters the key pair is to be initialised with.

minimizeFG	back to summary
private void minimizeFG(IntegerPolynomial f, IntegerPolynomial g, IntegerPolynomial F, IntegerPolynomial G, int N)

org.bouncycastle.pqc.legacy.crypto.ntru back to summary

private Class NTRUSigningKeyPairGenerator.BasisGenerationTask

Class Inheritance

extends Object
implements Callable<NTRUSigningPrivateKeyParameters.Basis>

java.lang.Object
org.bouncycastle.pqc.legacy.crypto.ntru.NTRUSigningKeyPairGenerator.BasisGenerationTask

All Implemented Interfaces

java.util.concurrent.Callable

Constructor Summary

Access	Constructor and Description
private	BasisGenerationTask()

Method Summary

Modifier and Type	Method and Description
public NTRUSigningPrivateKeyParameters.Basis	call() Implements java.util.concurrent.Callable.call. Computes a result, or throws an exception if unable to do so.

Inherited from java.lang.Object:: clone equals finalize getClass hashCode notify notifyAll toString wait wait wait

Constructor Detail

BasisGenerationTask	back to summary
private BasisGenerationTask()

Method Detail

call	back to summary
public NTRUSigningPrivateKeyParameters.Basis call() throws Exception Implements java.util.concurrent.Callable.call. Doc from java.util.concurrent.Callable.call. Computes a result, or throws an exception if unable to do so. Returns:NTRUSigningPrivateKeyParameters.Basis computed result Exceptions Exception: if unable to compute a result

call

back to summary

public NTRUSigningPrivateKeyParameters.Basis call() throws Exception

Implements java.util.concurrent.Callable.call.

Doc from java.util.concurrent.Callable.call.

Computes a result, or throws an exception if unable to do so.

Returns:NTRUSigningPrivateKeyParameters.Basis

computed result

Exceptions

Exception:: if unable to compute a result

org.bouncycastle.pqc.legacy.crypto.ntru back to summary

public Class NTRUSigningKeyPairGenerator.FGBasis

Class Inheritance

extends Basis

java.lang.Object
org.bouncycastle.pqc.legacy.crypto.ntru.NTRUSigningPrivateKeyParameters.Basis
org.bouncycastle.pqc.legacy.crypto.ntru.NTRUSigningKeyPairGenerator.FGBasis

A subclass of Basis that additionally contains the polynomials F and G.

Field Summary

Modifier and Type	Field and Description
public IntegerPolynomial	F
public IntegerPolynomial	G

Inherited from org.bouncycastle.pqc.legacy.crypto.ntru.NTRUSigningPrivateKeyParameters.Basis:: f fPrime h params

Constructor Summary

Access	Constructor and Description
pack-priv	FGBasis(Polynomial f, Polynomial fPrime, IntegerPolynomial h, IntegerPolynomial F, IntegerPolynomial G, NTRUSigningKeyGenerationParameters params)

Method Summary

Modifier and Type	Method and Description
pack-priv boolean	isNormOk()

Inherited from org.bouncycastle.pqc.legacy.crypto.ntru.NTRUSigningPrivateKeyParameters.Basis:: encode equals hashCode

Field Detail

F	back to summary
public IntegerPolynomial F

G	back to summary
public IntegerPolynomial G

Constructor Detail

FGBasis	back to summary
pack-priv FGBasis(Polynomial f, Polynomial fPrime, IntegerPolynomial h, IntegerPolynomial F, IntegerPolynomial G, NTRUSigningKeyGenerationParameters params)

Method Detail

isNormOk	back to summary
pack-priv boolean isNormOk()