org.bouncycastle.jce.spec.GOST3410PublicKeyParameterSetSpec Maven / Gradle / Ivy

Go to download

Show more of this group Show more artifacts with this name
Show all versions of bcprov-ext-debug-jdk18on Show documentation

The Bouncy Castle Crypto package is a Java implementation of cryptographic algorithms. This jar contains JCE provider and lightweight API for the Bouncy Castle Cryptography APIs for Java 1.8 and later with debug enabled.

The newest version!

package org.bouncycastle.jce.spec;

import java.math.BigInteger;

/**
 * ParameterSpec for a GOST 3410-94 key parameters.
 */
public class GOST3410PublicKeyParameterSetSpec
{
    private BigInteger p;
    private BigInteger q;
    private BigInteger a;
    
    /**
     * Creates a new GOST3410ParameterSpec with the specified parameter values.
     * 
     * @param p the prime.
     * @param q the sub-prime.
     * @param a the base.
     */
    public GOST3410PublicKeyParameterSetSpec(
        BigInteger p,
        BigInteger q,
        BigInteger a)
    {
        this.p = p;
        this.q = q;
        this.a = a;
    }
    
    /**
     * Returns the prime p.
     *
     * @return the prime p.
     */
    public BigInteger getP() 
    {
        return this.p;
    }
    
    /**
     * Returns the sub-prime q.
     *
     * @return the sub-prime q.
     */
    public BigInteger getQ() 
    {
        return this.q;
    }
    
    /**
     * Returns the base a.
     *
     * @return the base a.
     */
    public BigInteger getA() 
    {
        return this.a;
    }
    
    public boolean equals(
        Object o)
    {
        if (o instanceof GOST3410PublicKeyParameterSetSpec)
        {
            GOST3410PublicKeyParameterSetSpec other = (GOST3410PublicKeyParameterSetSpec)o;
            
            return this.a.equals(other.a) && this.p.equals(other.p) && this.q.equals(other.q);
        }
        
        return false;
    }
    
    public int hashCode()
    {
        return a.hashCode() ^ p.hashCode() ^ q.hashCode();
    }
}