public Class RSAKEMExtractor

Class Inheritance

extends Object
implements EncapsulatedSecretExtractor

All Implemented Interfaces

org.bouncycastle.crypto.EncapsulatedSecretExtractor

Imports

The RSA Key Encapsulation Mechanism (RSA-KEM) from ISO 18033-2.

Field Summary

Modifier and Type	Field and Description
private DerivationFunction	kdf
private final int	keyLen
private final RSAKeyParameters	privKey

Access	Constructor and Description
public	RSAKEMExtractor(RSAKeyParameters the decryption key. privKey, int length in bytes of key to generate. keyLen, DerivationFunction the key derivation function to be used. kdf) Set up the RSA-KEM.

Modifier and Type	Method and Description
public byte[]	extractSecret(byte[] the encapsulated secret. encapsulation) Implements org.bouncycastle.crypto.EncapsulatedSecretExtractor.extractSecret. Extract the secret based on the recipient private key.
public int	getEncapsulationLength() Implements org.bouncycastle.crypto.EncapsulatedSecretExtractor.getEncapsulationLength. Return the length in bytes of the encapsulation.

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

kdf	back to summary
private DerivationFunction kdf

keyLen	back to summary
private final int keyLen

privKey	back to summary
private final RSAKeyParameters privKey

RSAKEMExtractor	back to summary
public RSAKEMExtractor(RSAKeyParameters privKey, int keyLen, DerivationFunction kdf) Set up the RSA-KEM. Parameters privKey:RSAKeyParameters the decryption key. keyLen:int length in bytes of key to generate. kdf:DerivationFunction the key derivation function to be used.

RSAKEMExtractor

public RSAKEMExtractor(RSAKeyParameters privKey, int keyLen, DerivationFunction kdf)

Set up the RSA-KEM.

Parameters

extractSecret	back to summary
public byte[] extractSecret(byte[] encapsulation) Implements org.bouncycastle.crypto.EncapsulatedSecretExtractor.extractSecret. Doc from org.bouncycastle.crypto.EncapsulatedSecretExtractor.extractSecret. Extract the secret based on the recipient private key. Parameters encapsulation:byte[] the encapsulated secret.

extractSecret

public byte[] extractSecret(byte[] encapsulation)

Extract the secret based on the recipient private key.

Parameters

getEncapsulationLength	back to summary
public int getEncapsulationLength() Implements org.bouncycastle.crypto.EncapsulatedSecretExtractor.getEncapsulationLength. Doc from org.bouncycastle.crypto.EncapsulatedSecretExtractor.getEncapsulationLength. Return the length in bytes of the encapsulation. Returns:int length in bytes of an encapsulation for this parameter set.

getEncapsulationLength

public int getEncapsulationLength()

Return the length in bytes of the encapsulation.