iaik.security.pq.hqc

Class HQCKemSpi

java.lang.Object

iaik.security.kem.KeyEncapsulationMechanismSpi

iaik.security.pq.hqc.HQCKemSpi

public class HQCKemSpi
extends iaik.security.kem.KeyEncapsulationMechanismSpi

This class extends the KeyEncapsulationMechanismSpi and serves as an interface for users to encapsule and decapsule keys with the HQC [0] Algorithm.

[0] Carlos Aguilar Melchor, Nicolas Aragon, Slim Bettaieb, Loïc Bidoux, Olivier Blazy, Jurjen Bos, Jean-Christophe Deneuville, Arnaud Dion, Philippe Gaborit, Jérôme Lacan, Edoardo Persichetti, Jean-Marc Robert, Pascal Véron and Gilles Zémor HQC (30.04.2023) – Submission to round 4 of the NIST post-quantum project.

Field Summary

Fields inherited from class iaik.security.kem.KeyEncapsulationMechanismSpi

key

Constructor Summary

Constructors

Constructor and Description
HQCKemSpi()

Method Summary

Modifier and Type	Method and Description
protected void	engineDecapsulate(byte[] c, byte[] k)
protected void	engineDeriveKey(byte[] output, List input)
protected byte[]	engineEncapsulate(byte[] ss)
protected AlgorithmParameters	engineGetParameters()
protected void	engineInit(Key key)
protected void	engineInit(Key key, AlgorithmParameterSpec params)
protected void	engineInit(Key key, AlgorithmParameterSpec params, SecureRandom secureRandom)
protected void	engineInit(Key key, SecureRandom secureRandom)

Methods inherited from class java.lang.Object

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

Constructor Detail

HQCKemSpi

public HQCKemSpi()

Method Detail

engineInit

protected void engineInit(Key key)
                   throws InvalidKeyException

Specified by:

engineInit in class iaik.security.kem.KeyEncapsulationMechanismSpi

Throws:

InvalidKeyException

engineInit

protected void engineInit(Key key,
                          SecureRandom secureRandom)
                   throws InvalidKeyException

Specified by:

engineInit in class iaik.security.kem.KeyEncapsulationMechanismSpi

Throws:

InvalidKeyException

engineInit

protected void engineInit(Key key,
                          AlgorithmParameterSpec params)
                   throws InvalidKeyException,
                          InvalidAlgorithmParameterException

Specified by:

engineInit in class iaik.security.kem.KeyEncapsulationMechanismSpi

Throws:

InvalidKeyException

InvalidAlgorithmParameterException

engineInit

protected void engineInit(Key key,
                          AlgorithmParameterSpec params,
                          SecureRandom secureRandom)
                   throws InvalidKeyException,
                          InvalidAlgorithmParameterException

Specified by:

engineInit in class iaik.security.kem.KeyEncapsulationMechanismSpi

Throws:

InvalidKeyException

InvalidAlgorithmParameterException

engineGetParameters

protected AlgorithmParameters engineGetParameters()

Specified by:

engineGetParameters in class iaik.security.kem.KeyEncapsulationMechanismSpi

engineDeriveKey

protected void engineDeriveKey(byte[] output,
                               List input)

Specified by:

engineDeriveKey in class iaik.security.kem.KeyEncapsulationMechanismSpi

engineEncapsulate

protected byte[] engineEncapsulate(byte[] ss)
                            throws InvalidKeyException,
                                   DigestException

Specified by:

engineEncapsulate in class iaik.security.kem.KeyEncapsulationMechanismSpi

Throws:

InvalidKeyException

DigestException

engineDecapsulate

protected void engineDecapsulate(byte[] c,
                                 byte[] k)
                          throws InvalidParameterException,
                                 DigestException,
                                 InvalidKeyException

Specified by:

engineDecapsulate in class iaik.security.kem.KeyEncapsulationMechanismSpi

Throws:

InvalidParameterException

DigestException

InvalidKeyException