C# ContentInfo.GetEncoded方法代码示例

        private void pkcs7Test()
        {
            Asn1Encodable rootCert = Asn1Object.FromByteArray(CertPathTest.rootCertBin);
            Asn1Encodable rootCrl = Asn1Object.FromByteArray(CertPathTest.rootCrlBin);

            X509CertificateParser certParser = new X509CertificateParser();
            X509CrlParser crlParser = new X509CrlParser();

            SignedData sigData = new SignedData(
                DerSet.Empty,
                new ContentInfo(CmsObjectIdentifiers.Data, null),
                new DerSet(
                    rootCert,
                    new DerTaggedObject(false, 2, Asn1Object.FromByteArray(AttrCertTest.attrCert))),
                new DerSet(rootCrl),
                DerSet.Empty);

            ContentInfo info = new ContentInfo(CmsObjectIdentifiers.SignedData, sigData);

            X509Certificate cert = certParser.ReadCertificate(info.GetEncoded());
            if (cert == null || !AreEqual(cert.GetEncoded(), rootCert.ToAsn1Object().GetEncoded()))
            {
                Fail("PKCS7 cert not read");
            }
            X509Crl crl = crlParser.ReadCrl(info.GetEncoded());
            if (crl == null || !AreEqual(crl.GetEncoded(), rootCrl.ToAsn1Object().GetEncoded()))
            {
                Fail("PKCS7 crl not read");
            }
            ArrayList col = new ArrayList(certParser.ReadCertificates(info.GetEncoded()));
            if (col.Count != 1 || !col.Contains(cert))
            {
                Fail("PKCS7 cert collection not right");
            }
            col = new ArrayList(crlParser.ReadCrls(info.GetEncoded()));
            if (col.Count != 1 || !col.Contains(crl))
            {
                Fail("PKCS7 crl collection not right");
            }

            // data with no certificates or CRLs

            sigData = new SignedData(DerSet.Empty, new ContentInfo(CmsObjectIdentifiers.Data, null), DerSet.Empty, DerSet.Empty, DerSet.Empty);

            info = new ContentInfo(CmsObjectIdentifiers.SignedData, sigData);

            cert = certParser.ReadCertificate(info.GetEncoded());
            if (cert != null)
            {
                Fail("PKCS7 cert present");
            }
            crl = crlParser.ReadCrl(info.GetEncoded());
            if (crl != null)
            {
                Fail("PKCS7 crl present");
            }

            // data with absent certificates and CRLS

            sigData = new SignedData(DerSet.Empty, new ContentInfo(CmsObjectIdentifiers.Data, null), null, null, DerSet.Empty);

            info = new ContentInfo(CmsObjectIdentifiers.SignedData, sigData);

            cert = certParser.ReadCertificate(info.GetEncoded());
            if (cert != null)
            {
                Fail("PKCS7 cert present");
            }
            crl = crlParser.ReadCrl(info.GetEncoded());
            if (crl != null)
            {
                Fail("PKCS7 crl present");
            }

            //
            // sample message
            //
            ICollection certCol = certParser.ReadCertificates(pkcs7CrlProblem);
            ICollection crlCol = crlParser.ReadCrls(pkcs7CrlProblem);

            if (crlCol.Count != 0)
            {
                Fail("wrong number of CRLs: " + crlCol.Count);
            }

            if (certCol.Count != 4)
            {
                Fail("wrong number of Certs: " + certCol.Count);
            }
        }

		private ITestResult EnvelopedTest()
		{
			try
			{
				// Key trans
				ContentInfo info = ContentInfo.GetInstance(
					Asn1Object.FromByteArray(envDataKeyTrns));
				EnvelopedData envData = EnvelopedData.GetInstance(info.Content);
				Asn1Set s = envData.RecipientInfos;

				if (s.Count != 1)
				{
					return new SimpleTestResult(false, Name + ": CMS KeyTrans enveloped, wrong number of recipients");
				}

				RecipientInfo recip = RecipientInfo.GetInstance(s[0]);

				if (recip.Info is KeyTransRecipientInfo)
				{
					KeyTransRecipientInfo inf = KeyTransRecipientInfo.GetInstance(recip.Info);

					inf = new KeyTransRecipientInfo(inf.RecipientIdentifier, inf.KeyEncryptionAlgorithm, inf.EncryptedKey);

					s = new DerSet(new RecipientInfo(inf));
				}
				else
				{
					return new SimpleTestResult(false, Name + ": CMS KeyTrans enveloped, wrong recipient type");
				}

				envData = new EnvelopedData(envData.OriginatorInfo, s, envData.EncryptedContentInfo, envData.UnprotectedAttrs);
				info = new ContentInfo(CmsObjectIdentifiers.EnvelopedData, envData);

				if (!Arrays.AreEqual(info.GetEncoded(), envDataKeyTrns))
				{
					return new SimpleTestResult(false, Name + ": CMS KeyTrans enveloped failed to re-encode");
				}


				// KEK
				info = ContentInfo.GetInstance(
					Asn1Object.FromByteArray(envDataKEK));
				envData = EnvelopedData.GetInstance(info.Content);
				s = envData.RecipientInfos;

				if (s.Count != 1)
				{
					return new SimpleTestResult(false, Name + ": CMS KEK enveloped, wrong number of recipients");
				}

				recip = RecipientInfo.GetInstance(s[0]);

				if (recip.Info is KekRecipientInfo)
				{
					KekRecipientInfo inf = KekRecipientInfo.GetInstance(recip.Info);

					inf = new KekRecipientInfo(inf.KekID, inf.KeyEncryptionAlgorithm, inf.EncryptedKey);

					s = new DerSet(new RecipientInfo(inf));
				}
				else
				{
					return new SimpleTestResult(false, Name + ": CMS KEK enveloped, wrong recipient type");
				}

				envData = new EnvelopedData(envData.OriginatorInfo, s, envData.EncryptedContentInfo, envData.UnprotectedAttrs);
				info = new ContentInfo(CmsObjectIdentifiers.EnvelopedData, envData);

				if (!Arrays.AreEqual(info.GetEncoded(), envDataKEK))
				{
					return new SimpleTestResult(false, Name + ": CMS KEK enveloped failed to re-encode");
				}

				// Nested NDEF problem
				Asn1StreamParser asn1In = new Asn1StreamParser(new MemoryStream(envDataNestedNDEF, false));
				ContentInfoParser ci = new ContentInfoParser((Asn1SequenceParser)asn1In.ReadObject());
				EnvelopedDataParser ed = new EnvelopedDataParser((Asn1SequenceParser)ci
					.GetContent(Asn1Tags.Sequence));
				Touch(ed.Version);
				ed.GetOriginatorInfo();
				ed.GetRecipientInfos().ToAsn1Object();
				EncryptedContentInfoParser eci = ed.GetEncryptedContentInfo();
				Touch(eci.ContentType);
				Touch(eci.ContentEncryptionAlgorithm);

				Stream dataIn = ((Asn1OctetStringParser)eci.GetEncryptedContent(Asn1Tags.OctetString))
					.GetOctetStream();
				Streams.Drain(dataIn);
				dataIn.Close();

				// Test data doesn't have unprotected attrs, bug was being thrown by this call
				Asn1SetParser upa = ed.GetUnprotectedAttrs();
				if (upa != null)
				{
					upa.ToAsn1Object();
				}

				return new SimpleTestResult(true, Name + ": Okay");
			}
			catch (Exception e)
//.........这里部分代码省略.........

		private ITestResult SignedTest()
		{
			try
			{
				ContentInfo info = ContentInfo.GetInstance(
					Asn1Object.FromByteArray(signedData));
				SignedData sData = SignedData.GetInstance(info.Content);

				sData = new SignedData(sData.DigestAlgorithms, sData.EncapContentInfo, sData.Certificates, sData.CRLs, sData.SignerInfos);
				info = new ContentInfo(CmsObjectIdentifiers.SignedData, sData);

				if (!Arrays.AreEqual(info.GetEncoded(), signedData))
				{
					return new SimpleTestResult(false, Name + ": CMS signed failed to re-encode");
				}

				return new SimpleTestResult(true, Name + ": Okay");
			}
			catch (Exception e)
			{
				return new SimpleTestResult(false, Name + ": CMS signed failed - " + e.ToString(), e);
			}
		}

		private ITestResult CompressionTest()
		{
			try
			{
				ContentInfo info = ContentInfo.GetInstance(
					Asn1Object.FromByteArray(compData));
				CompressedData data = CompressedData.GetInstance(info.Content);

				data = new CompressedData(data.CompressionAlgorithmIdentifier, data.EncapContentInfo);
				info = new ContentInfo(CmsObjectIdentifiers.CompressedData, data);

				if (!Arrays.AreEqual(info.GetEncoded(), compData))
				{
					return new SimpleTestResult(false, Name + ": CMS compression failed to re-encode");
				}

				return new SimpleTestResult(true, Name + ": Okay");
			}
			catch (Exception e)
			{
				return new SimpleTestResult(false, Name + ": CMS compression failed - " + e.ToString(), e);
			}
		}