xjava.security.interfaces

Interface ElGamalKey

All Known Subinterfaces:

ElGamalPrivateKey, ElGamalPublicKey

All Known Implementing Classes:

BaseElGamalPrivateKey, BaseElGamalPublicKey

public interface ElGamalKey

The interface to an ElGamal public or private key.

References

Bruce Schneier, "Section 19.6 ElGamal," Applied Cryptography, Wiley 2nd Ed, 1996.

$Revision: 1.2 $

Since:

IJCE 1.0.1

Author:

David Hopwood

See Also:

ElGamalParams, Key, java.security.Cipher, Signature

Method Summary

Methods

Modifier and Type	Method and Description
java.math.BigInteger	getG() Returns the base, g.
java.math.BigInteger	getP() Returns the prime, p.
java.math.BigInteger	getY() Returns the value of y = g^x mod p (where x is the private key).

Method Detail

getP

java.math.BigInteger getP()

Returns the prime, p.

Returns:

the prime as a java.math.BigInteger

getG

java.math.BigInteger getG()

Returns the base, g.

Returns:

the base as a java.math.BigInteger

getY

java.math.BigInteger getY()

Returns the value of y = g^x mod p (where x is the private key).

Returns:

y as a java.math.BigInteger