SignerId.cs :  » PDF » iTextSharp » Org » BouncyCastle » Cms » C# / CSharp Open Source

using System;

using Org.BouncyCastle.Asn1.X509;
using Org.BouncyCastle.Math;
using Org.BouncyCastle.Utilities;
using Org.BouncyCastle.X509.Store;

namespace Org.BouncyCastle.Cms{
    /**
    * a basic index for a signer.
    */
    public class SignerID
        : X509CertStoreSelector
    {
        public override int GetHashCode()
        {
            int code = Arrays.GetHashCode(this.SubjectKeyIdentifier);

      BigInteger serialNumber = this.SerialNumber;
      if (serialNumber != null)
            {
                code ^= serialNumber.GetHashCode();
            }

      X509Name issuer = this.Issuer;
            if (issuer != null)
            {
                code ^= issuer.GetHashCode();
            }

      return code;
        }

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

      SignerID id = obj as SignerID;

      if (id == null)
        return false;

      return Arrays.AreEqual(SubjectKeyIdentifier, id.SubjectKeyIdentifier)
        && Platform.Equals(SerialNumber, id.SerialNumber)
        && IssuersMatch(Issuer, id.Issuer);
        }
    }
}