Org.BouncyCastle.Asn1.Cms.AttributeTable.ToDictionary C# (CSharp) Method

        public IDictionary ToDictionary()
        {
            return Platform.CreateHashtable(attributes);
        }

        public TimeStampTokenGenerator(AsymmetricKeyParameter key, X509Certificate cert, string digestOID, string tsaPolicyOID, Org.BouncyCastle.Asn1.Cms.AttributeTable signedAttr, Org.BouncyCastle.Asn1.Cms.AttributeTable unsignedAttr)
        {
            this.key          = key;
            this.cert         = cert;
            this.digestOID    = digestOID;
            this.tsaPolicyOID = tsaPolicyOID;
            this.unsignedAttr = unsignedAttr;
            TspUtil.ValidateCertificate(cert);
            IDictionary dictionary;

            if (signedAttr != null)
            {
                dictionary = signedAttr.ToDictionary();
            }
            else
            {
                dictionary = Platform.CreateHashtable();
            }
            try
            {
                byte[]    hash      = DigestUtilities.CalculateDigest("SHA-1", cert.GetEncoded());
                EssCertID essCertID = new EssCertID(hash);
                Org.BouncyCastle.Asn1.Cms.Attribute attribute = new Org.BouncyCastle.Asn1.Cms.Attribute(PkcsObjectIdentifiers.IdAASigningCertificate, new DerSet(new SigningCertificate(essCertID)));
                dictionary[attribute.AttrType] = attribute;
            }
            catch (CertificateEncodingException e)
            {
                throw new TspException("Exception processing certificate.", e);
            }
            catch (SecurityUtilityException e2)
            {
                throw new TspException("Can't find a SHA-1 implementation.", e2);
            }
            this.signedAttr = new Org.BouncyCastle.Asn1.Cms.AttributeTable(dictionary);
        }