Package org.bouncycastle.pqc.crypto.hawk

Class HawkKeyPairGenerator

java.lang.Object

org.bouncycastle.pqc.crypto.hawk.HawkKeyPairGenerator

All Implemented Interfaces:

AsymmetricCipherKeyPairGenerator

public class HawkKeyPairGenerator
extends java.lang.Object
implements AsymmetricCipherKeyPairGenerator

Lightweight Hawk key pair generator. Initialised with a HawkKeyGenerationParameters containing the parameter set and a SecureRandom; produces a HawkPublicKeyParameters / HawkPrivateKeyParameters pair.

Constructor Summary

Constructors

Constructor	Description
HawkKeyPairGenerator()

Method Summary

Modifier and Type	Method	Description
static int	encodePrivate(int logn, byte[] dst, int dstOffset, byte[] seed, int seedOffset, byte[] F, int fOffset, byte[] G, int gOffset, byte[] pub, int pubOffset, int pubLen)
static boolean	encodePublic(int logn, byte[] dst, int dstOffset, int dstLen, short[] q00, int q00Offset, short[] q01, int q01Offset)
static void	extractLowBit(int logn, byte[] dst, int dstOffset, byte[] f)
AsymmetricCipherKeyPair	generateKeyPair()	return an AsymmetricCipherKeyPair containing the generated keys.
int	Hawk_keygen(int logn, byte[] f, int fOffset, byte[] g, int gOffset, byte[] F, int FOffset, byte[] G, int GOffset, short[] q00, int q00Offset, short[] q01, int q01Offset, int[] q11, int q11Offset, byte[] seed, int seedOffset, int[] tmp, int tmpOffset, int tmpLen)
void	init(KeyGenerationParameters param)	intialise the key pair generator.

Methods inherited from class java.lang.Object

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

Constructor Detail

HawkKeyPairGenerator

public HawkKeyPairGenerator()

Method Detail

init

public void init(KeyGenerationParameters param)

Description copied from interface: AsymmetricCipherKeyPairGenerator

intialise the key pair generator.

Specified by:

init in interface AsymmetricCipherKeyPairGenerator

Parameters:

param - the parameters the key pair is to be initialised with.

generateKeyPair

public AsymmetricCipherKeyPair generateKeyPair()

Description copied from interface: AsymmetricCipherKeyPairGenerator

return an AsymmetricCipherKeyPair containing the generated keys.

Specified by:

generateKeyPair in interface AsymmetricCipherKeyPairGenerator

Returns:

an AsymmetricCipherKeyPair containing the generated keys.

encodePublic

public static boolean encodePublic(int logn,
                                   byte[] dst,
                                   int dstOffset,
                                   int dstLen,
                                   short[] q00,
                                   int q00Offset,
                                   short[] q01,
                                   int q01Offset)

extractLowBit

public static void extractLowBit(int logn,
                                 byte[] dst,
                                 int dstOffset,
                                 byte[] f)

Hawk_keygen

public int Hawk_keygen(int logn,
                       byte[] f,
                       int fOffset,
                       byte[] g,
                       int gOffset,
                       byte[] F,
                       int FOffset,
                       byte[] G,
                       int GOffset,
                       short[] q00,
                       int q00Offset,
                       short[] q01,
                       int q01Offset,
                       int[] q11,
                       int q11Offset,
                       byte[] seed,
                       int seedOffset,
                       int[] tmp,
                       int tmpOffset,
                       int tmpLen)

encodePrivate

public static int encodePrivate(int logn,
                                byte[] dst,
                                int dstOffset,
                                byte[] seed,
                                int seedOffset,
                                byte[] F,
                                int fOffset,
                                byte[] G,
                                int gOffset,
                                byte[] pub,
                                int pubOffset,
                                int pubLen)