org.bouncycastle.crypto.params.RSAKeyGenerationParameters.java Source code

Introduction

Here is the source code for org.bouncycastle.crypto.params.RSAKeyGenerationParameters.java

Source

package org.bouncycastle.crypto.params;

import java.math.BigInteger;
import java.security.SecureRandom;

import org.bouncycastle.crypto.KeyGenerationParameters;

public class RSAKeyGenerationParameters extends KeyGenerationParameters {
    private BigInteger publicExponent;
    private int certainty;

    public RSAKeyGenerationParameters(BigInteger publicExponent, SecureRandom random, int strength, int certainty) {
        super(random, strength);

        if (strength < 12) {
            throw new IllegalArgumentException("key strength too small");
        }

        //
        // public exponent cannot be even
        //
        if (!publicExponent.testBit(0)) {
            throw new IllegalArgumentException("public exponent cannot be even");
        }

        this.publicExponent = publicExponent;
        this.certainty = certainty;
    }

    public BigInteger getPublicExponent() {
        return publicExponent;
    }

    public int getCertainty() {
        return certainty;
    }
}