/// <summary> /// Build the Pfx structure, protecting it with a MAC calculated against the passed in password. /// </summary> /// <param name="macCalcFactory">a builder for a Pkcs12 mac calculator.</param> /// <returns>A Pfx object.</returns> public Pkcs12PfxPdu Build(IMacFactory <Pkcs12MacAlgDescriptor> macCalcFactory) { AuthenticatedSafe auth = AuthenticatedSafe.GetInstance(new DerSequence(dataVector)); byte[] encAuth; try { encAuth = auth.GetEncoded(); } catch (IOException e) { throw new PkcsException("unable to encode AuthenticatedSafe: " + e.Message, e); } ContentInfo mainInfo = new ContentInfo(PkcsObjectIdentifiers.Data, new DerOctetString(encAuth)); MacData mData = null; if (macCalcFactory != null) { mData = PkcsUtilities.CreateMacData(macCalcFactory, encAuth); } // // output the Pfx // Pfx pfx = new Pfx(mainInfo, mData); return(new Pkcs12PfxPdu(pfx)); }
public override void PerformTest() { Pfx bag = Pfx.GetInstance(pkcs12); ContentInfo info = bag.AuthSafe; MacData mData = bag.MacData; DigestInfo dInfo = mData.Mac; AlgorithmIdentifier algId = dInfo.AlgorithmID; byte[] salt = mData.GetSalt(); int itCount = mData.IterationCount.IntValue; Asn1OctetString content = Asn1OctetString.GetInstance(info.Content); AuthenticatedSafe authSafe = AuthenticatedSafe.GetInstance(content.GetOctets()); ContentInfo[] c = authSafe.GetContentInfo(); // // private key section // if (!c[0].ContentType.Equals(PkcsObjectIdentifiers.Data)) { Fail("Failed comparison data test"); } Asn1OctetString authSafeContent = Asn1OctetString.GetInstance(c[0].Content); Asn1Sequence seq = Asn1Sequence.GetInstance(authSafeContent.GetOctets()); SafeBag b = SafeBag.GetInstance(seq[0]); if (!b.BagID.Equals(PkcsObjectIdentifiers.Pkcs8ShroudedKeyBag)) { Fail("Failed comparison shroudedKeyBag test"); } EncryptedPrivateKeyInfo encInfo = EncryptedPrivateKeyInfo.GetInstance(b.BagValue); encInfo = new EncryptedPrivateKeyInfo(encInfo.EncryptionAlgorithm, encInfo.GetEncryptedData()); b = new SafeBag(PkcsObjectIdentifiers.Pkcs8ShroudedKeyBag, encInfo.ToAsn1Object(), b.BagAttributes); byte[] contentOctets = new DerSequence(b).GetEncoded(); c[0] = new ContentInfo(PkcsObjectIdentifiers.Data, new BerOctetString(contentOctets)); // // certificates // if (!c[1].ContentType.Equals(PkcsObjectIdentifiers.EncryptedData)) { Fail("Failed comparison encryptedData test"); } EncryptedData eData = EncryptedData.GetInstance(c[1].Content); c[1] = new ContentInfo(PkcsObjectIdentifiers.EncryptedData, eData); // // create an octet stream to represent the BER encoding of authSafe // authSafe = new AuthenticatedSafe(c); contentOctets = authSafe.GetEncoded(); info = new ContentInfo(PkcsObjectIdentifiers.Data, new BerOctetString(contentOctets)); mData = new MacData(new DigestInfo(algId, dInfo.GetDigest()), salt, itCount); bag = new Pfx(info, mData); // // comparison test // byte[] pfxEncoding = bag.GetEncoded(); if (!Arrays.AreEqual(pfxEncoding, pkcs12)) { Fail("Failed comparison test"); } }
public void Save( Stream stream, char[] password, SecureRandom random) { if (stream == null) { throw new ArgumentNullException("stream"); } if (password == null) { throw new ArgumentNullException("password"); } if (random == null) { throw new ArgumentNullException("random"); } ContentInfo[] c = new ContentInfo[2]; // // handle the key // Asn1EncodableVector keyS = new Asn1EncodableVector(); foreach (string name in keys.Keys) { byte[] kSalt = new byte[saltSize]; random.NextBytes(kSalt); AsymmetricKeyEntry privKey = (AsymmetricKeyEntry)keys[name]; EncryptedPrivateKeyInfo kInfo = EncryptedPrivateKeyInfoFactory.CreateEncryptedPrivateKeyInfo( keyAlgorithm, password, kSalt, minIterations, privKey.Key); Asn1EncodableVector kName = new Asn1EncodableVector(); foreach (string oid in privKey.BagAttributeKeys) { kName.Add( new DerSequence( new DerObjectIdentifier(oid), new DerSet(privKey[oid]))); } // // make sure we have a local key-id // if (privKey[PkcsObjectIdentifiers.Pkcs9AtLocalKeyID] == null) { X509CertificateEntry ct = GetCertificate(name); SubjectPublicKeyInfo info = SubjectPublicKeyInfoFactory.CreateSubjectPublicKeyInfo( ct.Certificate.GetPublicKey()); kName.Add( new DerSequence( PkcsObjectIdentifiers.Pkcs9AtLocalKeyID, new DerSet(new SubjectKeyIdentifier(info)))); } // // make sure we are using the local alias on store // DerBmpString nm = (DerBmpString)privKey[PkcsObjectIdentifiers.Pkcs9AtFriendlyName]; if (nm == null || !nm.GetString().Equals(name)) { kName.Add( new DerSequence( PkcsObjectIdentifiers.Pkcs9AtFriendlyName, new DerSet(new DerBmpString(name)))); } SafeBag kBag = new SafeBag(PkcsObjectIdentifiers.Pkcs8ShroudedKeyBag, kInfo.ToAsn1Object(), new DerSet(kName)); keyS.Add(kBag); } byte[] derEncodedBytes = new DerSequence(keyS).GetDerEncoded(); BerOctetString keyString = new BerOctetString(derEncodedBytes); // // certificate processing // byte[] cSalt = new byte[saltSize]; random.NextBytes(cSalt); Asn1EncodableVector certSeq = new Asn1EncodableVector(); Pkcs12PbeParams cParams = new Pkcs12PbeParams(cSalt, minIterations); AlgorithmIdentifier cAlgId = new AlgorithmIdentifier(certAlgorithm, cParams.ToAsn1Object()); Hashtable doneCerts = new Hashtable(); foreach (string name in keys.Keys) { X509CertificateEntry certEntry = GetCertificate(name); CertBag cBag = new CertBag( PkcsObjectIdentifiers.X509CertType, new DerOctetString(certEntry.Certificate.GetEncoded())); Asn1EncodableVector fName = new Asn1EncodableVector(); foreach (string oid in certEntry.BagAttributeKeys) { fName.Add( new DerSequence( new DerObjectIdentifier(oid), new DerSet(certEntry[oid]))); } // // make sure we are using the local alias on store // DerBmpString nm = (DerBmpString)certEntry[PkcsObjectIdentifiers.Pkcs9AtFriendlyName]; if (nm == null || !nm.GetString().Equals(name)) { fName.Add( new DerSequence( PkcsObjectIdentifiers.Pkcs9AtFriendlyName, new DerSet(new DerBmpString(name)))); } // // make sure we have a local key-id // if (certEntry[PkcsObjectIdentifiers.Pkcs9AtLocalKeyID] == null) { SubjectPublicKeyInfo info = SubjectPublicKeyInfoFactory.CreateSubjectPublicKeyInfo( certEntry.Certificate.GetPublicKey()); fName.Add( new DerSequence( PkcsObjectIdentifiers.Pkcs9AtLocalKeyID, new DerSet(new SubjectKeyIdentifier(info)))); } SafeBag sBag = new SafeBag( PkcsObjectIdentifiers.CertBag, cBag.ToAsn1Object(), new DerSet(fName)); certSeq.Add(sBag); doneCerts.Add(certEntry.Certificate, certEntry.Certificate); } foreach (string certId in certs.Keys) { X509CertificateEntry cert = (X509CertificateEntry)certs[certId]; if (keys[certId] != null) { continue; } CertBag cBag = new CertBag( PkcsObjectIdentifiers.X509CertType, new DerOctetString(cert.Certificate.GetEncoded())); Asn1EncodableVector fName = new Asn1EncodableVector(); foreach (string oid in cert.BagAttributeKeys) { fName.Add( new DerSequence( new DerObjectIdentifier(oid), new DerSet(cert[oid]))); } // // make sure we are using the local alias on store // DerBmpString nm = (DerBmpString)cert[PkcsObjectIdentifiers.Pkcs9AtFriendlyName]; if (nm == null || !nm.GetString().Equals(certId)) { fName.Add( new DerSequence( PkcsObjectIdentifiers.Pkcs9AtFriendlyName, new DerSet(new DerBmpString(certId)))); } SafeBag sBag = new SafeBag(PkcsObjectIdentifiers.CertBag, cBag.ToAsn1Object(), new DerSet(fName)); certSeq.Add(sBag); doneCerts.Add(cert, cert); } foreach (CertId certId in chainCerts.Keys) { X509CertificateEntry cert = (X509CertificateEntry)chainCerts[certId]; if (doneCerts[cert] != null) { continue; } CertBag cBag = new CertBag( PkcsObjectIdentifiers.X509CertType, new DerOctetString(cert.Certificate.GetEncoded())); Asn1EncodableVector fName = new Asn1EncodableVector(); foreach (string oid in cert.BagAttributeKeys) { fName.Add(new DerSequence(new DerObjectIdentifier(oid), new DerSet(cert[oid]))); } SafeBag sBag = new SafeBag(PkcsObjectIdentifiers.CertBag, cBag.ToAsn1Object(), new DerSet(fName)); certSeq.Add(sBag); } derEncodedBytes = new DerSequence(certSeq).GetDerEncoded(); byte[] certBytes = EncryptData(new AlgorithmIdentifier(certAlgorithm, cParams), derEncodedBytes, password); EncryptedData cInfo = new EncryptedData(PkcsObjectIdentifiers.Data, cAlgId, new BerOctetString(certBytes)); c[0] = new ContentInfo(PkcsObjectIdentifiers.Data, keyString); c[1] = new ContentInfo(PkcsObjectIdentifiers.EncryptedData, cInfo.ToAsn1Object()); AuthenticatedSafe auth = new AuthenticatedSafe(c); byte[] pkg = auth.GetEncoded(); ContentInfo mainInfo = new ContentInfo(PkcsObjectIdentifiers.Data, new BerOctetString(pkg)); // // create the mac // byte[] mSalt = new byte[20]; int itCount = minIterations; random.NextBytes(mSalt); byte[] data = ((Asn1OctetString)mainInfo.Content).GetOctets(); MacData mData = null; Asn1Encodable parameters = PbeUtilities.GenerateAlgorithmParameters(OiwObjectIdentifiers.IdSha1, mSalt, itCount); ICipherParameters keyParameters = PbeUtilities.GenerateCipherParameters( OiwObjectIdentifiers.IdSha1, password, parameters); IMac mac = (IMac)PbeUtilities.CreateEngine(OiwObjectIdentifiers.IdSha1); mac.Init(keyParameters); mac.BlockUpdate(data, 0, data.Length); byte[] res = new byte[mac.GetMacSize()]; mac.DoFinal(res, 0); AlgorithmIdentifier algId = new AlgorithmIdentifier(OiwObjectIdentifiers.IdSha1, DerNull.Instance); DigestInfo dInfo = new DigestInfo(algId, res); mData = new MacData(dInfo, mSalt, itCount); // // output the Pfx // Pfx pfx = new Pfx(mainInfo, mData); BerOutputStream berOut = new BerOutputStream(stream); berOut.WriteObject(pfx); }