DsaParameters.cs :  » PDF » iTextSharp » Org » BouncyCastle » Crypto » Parameters » C# / CSharp Open Source

using System;

using Org.BouncyCastle.Math;

namespace Org.BouncyCastle.Crypto.Parameters{
    public class DsaParameters
    : ICipherParameters
    {
        private readonly BigInteger p, q , g;
        private readonly DsaValidationParameters validation;

    public DsaParameters(
            BigInteger  p,
            BigInteger  q,
            BigInteger  g)
      : this(p, q, g, null)
        {
        }

    public DsaParameters(
            BigInteger        p,
            BigInteger        q,
            BigInteger        g,
            DsaValidationParameters  parameters)
        {
      if (p == null)
        throw new ArgumentNullException("p");
      if (q == null)
        throw new ArgumentNullException("q");
      if (g == null)
        throw new ArgumentNullException("g");

      this.p = p;
            this.q = q;
      this.g = g;
      this.validation = parameters;
        }

        public BigInteger P
        {
            get { return p; }
        }

    public BigInteger Q
        {
            get { return q; }
        }

    public BigInteger G
        {
            get { return g; }
        }

    public DsaValidationParameters ValidationParameters
        {
      get { return validation; }
        }

    public override bool Equals(
      object obj)
        {
      if (obj == this)
        return true;

      DsaParameters other = obj as DsaParameters;

      if (other == null)
        return false;

      return Equals(other);
        }

    protected bool Equals(
      DsaParameters other)
    {
      return p.Equals(other.p) && q.Equals(other.q) && g.Equals(other.g);
    }

    public override int GetHashCode()
        {
      return p.GetHashCode() ^ q.GetHashCode() ^ g.GetHashCode();
        }
    }
}