Microsoft.Xades.XadesSignedXml.CheckSameCertificate C# (CSharp) Method

        public virtual bool CheckSameCertificate()
        {
            bool retVal = false;

            //KeyInfoX509Data keyInfoX509Data = new KeyInfoX509Data();
            //keyInfoX509Data.LoadXml(this.KeyInfo.GetXml());
            //if (keyInfoX509Data.Certificates.Count <= 0)
            //{
            //    throw new CryptographicException("Certificate not found in XMLDSIG signature while doing CheckSameCertificate()");
            //}
            //string xmldsigCertHash = Convert.ToBase64String(((X509Certificate)keyInfoX509Data.Certificates[0]).GetCertHash());

            X509Certificate xmldsigCert = new X509Certificate(System.Text.Encoding.ASCII.GetBytes(this.KeyInfo.GetXml().InnerText));
            string xmldsigCertHash = Convert.ToBase64String(xmldsigCert.GetCertHash());

            CertCollection xadesSigningCertificateCollection = this.XadesObject.QualifyingProperties.SignedProperties.SignedSignatureProperties.SigningCertificate.CertCollection;
            if (xadesSigningCertificateCollection.Count <= 0)
            {
                throw new CryptographicException("Certificate not found in SigningCertificate element while doing CheckSameCertificate()");
            }
            string xadesCertHash = Convert.ToBase64String(((Cert)xadesSigningCertificateCollection[0]).CertDigest.DigestValue);

            if (String.Compare(xmldsigCertHash, xadesCertHash, true, CultureInfo.InvariantCulture) != 0)
            {
                throw new CryptographicException("Certificate in XMLDSIG signature doesn't match certificate in SigningCertificate element");
            }
            retVal = true;

            return retVal;
        }