ecparameters.java

java写的椭圆曲线加密(ECC)算法源码

package ecc.elliptic;

/** Specifications completely defining an elliptic curve. Used to define an
 *elliptic curve by EllipticCurve.define(ECParamters ecp).
 *NOTE: This is designed for an elliptic curve on the form:
 *      y^2 = x^3 + ax + b (mod p)
 *--with fixed generator and precomputed order.
*/

import java.math.BigInteger;

public interface ECParameters {

    public BigInteger a();

    public BigInteger b();

    public BigInteger p();

    /** returns the x value of the generator*/
    public BigInteger generatorX();

    /** returns the y value of the generator*/
    public BigInteger generatorY(); 

    public BigInteger order();

    public String toString();
}