public void TestSha1AndMD5WithRsaEncapsulatedRepeated()
        {
            IList certList = new ArrayList();
            CmsProcessable msg = new CmsProcessableByteArray(Encoding.ASCII.GetBytes("Hello World!"));

            certList.Add(OrigCert);
            certList.Add(SignCert);

            IX509Store x509Certs = X509StoreFactory.Create(
                "Certificate/Collection",
                new X509CollectionStoreParameters(certList));

            CmsSignedDataGenerator gen = new CmsSignedDataGenerator();

            gen.AddSigner(OrigKP.Private, OrigCert, CmsSignedDataGenerator.DigestSha1);

            gen.AddSigner(OrigKP.Private, OrigCert, CmsSignedDataGenerator.DigestMD5);

            gen.AddCertificates(x509Certs);

            CmsSignedData s = gen.Generate(msg, true);

            s = new CmsSignedData(ContentInfo.GetInstance(Asn1Object.FromByteArray(s.GetEncoded())));

            x509Certs = s.GetCertificates("Collection");

            SignerInformationStore signers = s.GetSignerInfos();

            Assert.AreEqual(2, signers.Count);

            SignerID sid = null;
            ICollection c = signers.GetSigners();

            foreach (SignerInformation signer in c)
            {
                ICollection certCollection = x509Certs.GetMatches(signer.SignerID);

                IEnumerator certEnum = certCollection.GetEnumerator();

                certEnum.MoveNext();
                X509Certificate cert = (X509Certificate) certEnum.Current;

                sid = signer.SignerID;

                Assert.IsTrue(signer.Verify(cert));

                //
                // check content digest
                //

                byte[] contentDigest = (byte[])gen.GetGeneratedDigests()[signer.DigestAlgOid];

                AttributeTable table = signer.SignedAttributes;
                Asn1.Cms.Attribute hash = table[CmsAttributes.MessageDigest];

                Assert.IsTrue(Arrays.AreEqual(contentDigest, ((Asn1OctetString)hash.AttrValues[0]).GetOctets()));
            }

            c = signers.GetSigners(sid);

            Assert.AreEqual(2, c.Count);

            //
            // try using existing signer
            //

            gen = new CmsSignedDataGenerator();

            gen.AddSigners(s.GetSignerInfos());

            gen.AddCertificates(s.GetCertificates("Collection"));
            gen.AddCrls(s.GetCrls("Collection"));

            s = gen.Generate(msg, true);

            s = new CmsSignedData(ContentInfo.GetInstance(Asn1Object.FromByteArray(s.GetEncoded())));

            x509Certs = s.GetCertificates("Collection");

            signers = s.GetSignerInfos();
            c = signers.GetSigners();

            Assert.AreEqual(2, c.Count);

            foreach (SignerInformation signer in c)
            {
                ICollection certCollection = x509Certs.GetMatches(signer.SignerID);

                IEnumerator certEnum = certCollection.GetEnumerator();

                certEnum.MoveNext();
                X509Certificate cert = (X509Certificate) certEnum.Current;

                Assert.AreEqual(true, signer.Verify(cert));
            }

            CheckSignerStoreReplacement(s, signers);
        }