RsaKeyParameters.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 RsaKeyParameters
    : AsymmetricKeyParameter
    {
        private readonly BigInteger modulus;
        private readonly BigInteger exponent;

    public RsaKeyParameters(
            bool    isPrivate,
            BigInteger  modulus,
            BigInteger  exponent)
      : base(isPrivate)
        {
      if (modulus == null)
        throw new ArgumentNullException("modulus");
      if (exponent == null)
        throw new ArgumentNullException("exponent");
      if (modulus.SignValue <= 0)
        throw new ArgumentException("Not a valid RSA modulus", "modulus");
      if (exponent.SignValue <= 0)
        throw new ArgumentException("Not a valid RSA exponent", "exponent");

      this.modulus = modulus;
      this.exponent = exponent;
        }

    public BigInteger Modulus
        {
            get { return modulus; }
        }

    public BigInteger Exponent
        {
            get { return exponent; }
        }

    public override bool Equals(
      object obj)
        {
            RsaKeyParameters kp = obj as RsaKeyParameters;

      if (kp == null)
      {
        return false;
      }

      return kp.IsPrivate == this.IsPrivate
        && kp.Modulus.Equals(this.modulus)
        && kp.Exponent.Equals(this.exponent);
        }

    public override int GetHashCode()
        {
            return modulus.GetHashCode() ^ exponent.GetHashCode() ^ IsPrivate.GetHashCode();
        }
    }
}