Package org.bouncycastle.crypto.kems

Class RSAKEMGenerator

java.lang.Object

org.bouncycastle.crypto.kems.RSAKEMGenerator

All Implemented Interfaces:

EncapsulatedSecretGenerator

public class RSAKEMGenerator
extends Object
implements EncapsulatedSecretGenerator

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

Constructor Summary

Constructors

Constructor	Description
RSAKEMGenerator(int keyLen, DerivationFunction kdf, SecureRandom rnd)	Set up the RSA-KEM.

Method Summary

Modifier and Type	Method	Description
SecretWithEncapsulation	generateEncapsulated(AsymmetricKeyParameter recipientKey)	Generate secret/encapsulation based on the recipient public key.

Methods inherited from class java.lang.Object

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

Constructor Details

RSAKEMGenerator

public RSAKEMGenerator(int keyLen,
 DerivationFunction kdf,
 SecureRandom rnd)

Set up the RSA-KEM.

Parameters:

kdf - the key derivation function to be used.

rnd - the random source for the session key.

Method Details

generateEncapsulated

public SecretWithEncapsulation generateEncapsulated(AsymmetricKeyParameter recipientKey)

Description copied from interface: EncapsulatedSecretGenerator

Generate secret/encapsulation based on the recipient public key.

Specified by:

generateEncapsulated in interface EncapsulatedSecretGenerator

Returns:

An SecretWithEncapsulation derived from the recipient public key.