GOST3410Parameters.cs :  » PDF » iTextSharp » Org » BouncyCastle » Crypto » Parameters » C# / CSharp Open Source

using System;

using Org.BouncyCastle.Crypto;
using Org.BouncyCastle.Math;

namespace Org.BouncyCastle.Crypto.Parameters{
  public class Gost3410Parameters
    : ICipherParameters
  {
    private readonly BigInteger p, q, a;
    private readonly Gost3410ValidationParameters validation;

    public Gost3410Parameters(
      BigInteger  p,
      BigInteger  q,
      BigInteger  a)
      : this(p, q, a, null)
    {
    }

    public Gost3410Parameters(
      BigInteger            p,
      BigInteger            q,
      BigInteger            a,
      Gost3410ValidationParameters  validation)
    {
      if (p == null)
        throw new ArgumentNullException("p");
      if (q == null)
        throw new ArgumentNullException("q");
      if (a == null)
        throw new ArgumentNullException("a");

      this.p = p;
      this.q = q;
      this.a = a;
      this.validation = validation;
    }

    public BigInteger P
    {
      get { return p; }
    }

    public BigInteger Q
    {
      get { return q; }
    }

    public BigInteger A
    {
      get { return a; }
    }

    public Gost3410ValidationParameters ValidationParameters
    {
      get { return validation; }
    }

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

      Gost3410Parameters other = obj as Gost3410Parameters;

      if (other == null)
        return false;

      return Equals(other);
    }

    protected bool Equals(
      Gost3410Parameters other)
    {
      return p.Equals(other.p) && q.Equals(other.q) && a.Equals(other.a);
    }

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