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

using System;
using System.Globalization;

using Org.BouncyCastle.Asn1;
using Org.BouncyCastle.Math;

namespace Org.BouncyCastle.Crypto.Parameters{
    public class ECPrivateKeyParameters
    : ECKeyParameters
    {
    private readonly BigInteger d;

    public ECPrivateKeyParameters(
      BigInteger      d,
      ECDomainParameters  parameters)
      : this("EC", d, parameters)
    {
    }

    [Obsolete("Use version with explicit 'algorithm' parameter")]
    public ECPrivateKeyParameters(
      BigInteger      d,
      DerObjectIdentifier publicKeyParamSet)
      : base("ECGOST3410", true, publicKeyParamSet)
    {
      if (d == null)
        throw new ArgumentNullException("d");

      this.d = d;
    }

    public ECPrivateKeyParameters(
      string        algorithm,
      BigInteger      d,
      ECDomainParameters  parameters)
      : base(algorithm, true, parameters)
    {
      if (d == null)
        throw new ArgumentNullException("d");

      this.d = d;
    }

    public ECPrivateKeyParameters(
      string        algorithm,
      BigInteger      d,
      DerObjectIdentifier publicKeyParamSet)
      : base(algorithm, true, publicKeyParamSet)
    {
      if (d == null)
        throw new ArgumentNullException("d");

      this.d = d;
    }

    public BigInteger D
    {
      get { return d; }
    }

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

      ECPrivateKeyParameters other = obj as ECPrivateKeyParameters;

      if (other == null)
        return false;

      return Equals(other);
        }

    protected bool Equals(
      ECPrivateKeyParameters other)
    {
      return d.Equals(other.d) && base.Equals(other);
    }

    public override int GetHashCode()
        {
            return d.GetHashCode() ^ base.GetHashCode();
        }
  }
}