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;
}