org.bouncycastle.pqc.crypto.xwing
Class XWingKEMExtractor

java.lang.Object
  org.bouncycastle.pqc.crypto.xwing.XWingKEMExtractor

All Implemented Interfaces:

EncapsulatedSecretExtractor

public class XWingKEMExtractor

extends java.lang.Object

implements EncapsulatedSecretExtractor

Implements the decapsulation process of the X-Wing hybrid Key Encapsulation Mechanism (KEM).

This class allows the recipient to derive the shared secret from a given ciphertext using their private key, as defined in the X-Wing KEM specification.

See Also:

X-Wing KEM Draft

Constructor Summary

XWingKEMExtractor(XWingPrivateKeyParameters privParams)

Method Summary

byte[]	extractSecret(byte[] encapsulation) Extract the secret based on the recipient private key.
int	getEncapsulationLength() Return the length in bytes of the encapsulation.

Methods inherited from class java.lang.Object

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

Constructor Detail

XWingKEMExtractor

public XWingKEMExtractor(XWingPrivateKeyParameters privParams)

Method Detail

extractSecret

public byte[] extractSecret(byte[] encapsulation)

Description copied from interface: EncapsulatedSecretExtractor

Extract the secret based on the recipient private key.

Specified by:

extractSecret in interface EncapsulatedSecretExtractor

Parameters:

encapsulation - the encapsulated secret.

getEncapsulationLength

public int getEncapsulationLength()

Description copied from interface: EncapsulatedSecretExtractor

Return the length in bytes of the encapsulation.

Specified by:

getEncapsulationLength in interface EncapsulatedSecretExtractor

Returns:

length in bytes of an encapsulation for this parameter set.