iaik.security.pq.hqc

Class HQCPublicKey

java.lang.Object

iaik.x509.PublicKeyInfo

iaik.security.pq.hqc.HQCPublicKey

All Implemented Interfaces:

iaik.asn1.ASN1Type, Serializable, Cloneable, Key, PublicKey

public class HQCPublicKey
extends iaik.x509.PublicKeyInfo

This class holds a HQC [0] Public Key.

[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.

See Also:

Serialized Form

Field Summary

Fields inherited from class iaik.x509.PublicKeyInfo

public_key_algorithm

Constructor Summary

Constructors

Constructor and Description
HQCPublicKey(byte[] encoded) Create public key from ASN.1 encoded byte sequence.
HQCPublicKey(byte[] byteEk, HQCParameterSpec parameterSpec) Create public key from the byte sequence of the public key.

Method Summary

Modifier and Type	Method and Description
protected void	decode(byte[] bytes)
protected byte[]	encode()
boolean	equals(Object o)
String	getAlgorithm()
byte[]	getRawEncoded() Returns the public key as a byte array (raw data).
int	hashCode()
String	toString()

Methods inherited from class iaik.x509.PublicKeyInfo

clone, createPublicKeyInfo, decode, getAlgorithmID, getEncoded, getFingerprint, getFormat, getPublicKey, getPublicKey, getPublicKey, getPublicKey, getPublicKey, getPublicKey, toASN1Object, writeTo

Methods inherited from class java.lang.Object

finalize, getClass, notify, notifyAll, wait, wait, wait

Constructor Detail

HQCPublicKey

public HQCPublicKey(byte[] byteEk,
                    HQCParameterSpec parameterSpec)

Create public key from the byte sequence of the public key.

Parameters:

byteEk - public key (KEM encapsulate key) as a byte sequence

parameterSpec - the given specification of the parameters

HQCPublicKey

public HQCPublicKey(byte[] encoded)
             throws InvalidKeyException

Create public key from ASN.1 encoded byte sequence.

Parameters:

encoded - public key encoded as ASN.1 byte sequence

Throws:

InvalidKeyException - if the encoding is not valid

Method Detail

getRawEncoded

public byte[] getRawEncoded()

Returns the public key as a byte array (raw data).

Returns:

the key as byte array (byteEk)

decode

protected void decode(byte[] bytes)
               throws InvalidKeyException

Specified by:

decode in class iaik.x509.PublicKeyInfo

Throws:

InvalidKeyException

encode

protected byte[] encode()

Specified by:

encode in class iaik.x509.PublicKeyInfo

getAlgorithm

public String getAlgorithm()

Specified by:

getAlgorithm in interface Key

Specified by:

getAlgorithm in class iaik.x509.PublicKeyInfo

equals

public boolean equals(Object o)

Overrides:

equals in class iaik.x509.PublicKeyInfo

hashCode

public int hashCode()

Overrides:

hashCode in class iaik.x509.PublicKeyInfo

toString

public String toString()

Overrides:

toString in class iaik.x509.PublicKeyInfo