Example #1
0
        protected int TakeAction(IKeySet keyset, Stream inStream, Stream outStream, Stream outStream2, IKeySet keyset2)
        {
            if ((WireFormat.IsNullOrEmpty(_format) &&
                 (keyset.Metadata.Purpose == KeyPurpose.DecryptAndEncrypt ||
                  keyset.Metadata.Purpose == KeyPurpose.Encrypt)) ||
                _format == WireFormat.Crypt
                )
            {
                using (var ucrypter = new Encrypter(keyset))
                {
                    var err = UseCompression(ucrypter);
                    if (err != 0)
                    {
                        return(err);
                    }
                    ucrypter.Encrypt(inStream, outStream);
                }
            }
            else if (WireFormat.IsNullOrEmpty(_format) || _format == WireFormat.Sign)
            {
                using (var signer = new Signer(keyset))
                {
                    var sig = signer.Sign(inStream);
                    outStream.Write(sig, 0, sig.Length);
                }
            }
            else if (_format == WireFormat.SignTimeout)
            {
                using (var signer = new TimeoutSigner(keyset))
                {
                    var sig = signer.Sign(inStream, _expires.GetValueOrDefault());
                    outStream.Write(sig, 0, sig.Length);
                }
            }
            else if (_format == WireFormat.SignAttached)
            {
                using (var signer = new AttachedSigner(keyset))
                {
                    byte[] hidden = null;
                    if (!String.IsNullOrWhiteSpace(_attachedHidden))
                    {
                        hidden = Keyczar.Keyczar.RawStringEncoding.GetBytes(_attachedHidden);
                    }
                    signer.Sign(inStream, outStream, hidden);
                }
            }
            else if (_format == WireFormat.SignVanilla || _format == WireFormat.SignUnversioned)
            {
                using (var signer = new Keyczar.Compat.VanillaSigner(keyset))
                {
                    var sig = signer.Sign(inStream);
                    outStream.Write(sig, 0, sig.Length);
                }
            }
            else if (_format == WireFormat.CryptSession)
            {
                using (var crypter = new Encrypter(keyset))
                    using (var sessionCrypter = new SessionCrypter(crypter))
                    {
                        var err = UseCompression(sessionCrypter);
                        if (err != 0)
                        {
                            return(err);
                        }
                        var materials = sessionCrypter.SessionMaterial.ToBytes();
                        outStream.Write(materials, 0, materials.Length);

                        sessionCrypter.Encrypt(inStream, outStream2);
                    }
            }
            else if (_format == WireFormat.CryptSignedSession)
            {
                if (keyset2 == null)
                {
                    Console.WriteLine(Localized.MsgRequiresLocation2);
                    return(-1);
                }

                using (var crypter = new Encrypter(keyset))
                    using (var signer = new AttachedSigner(keyset2))
                        using (var sessionCrypter = new SessionCrypter(crypter, signer))
                        {
                            var err = UseCompression(sessionCrypter);
                            if (err != 0)
                            {
                                return(err);
                            }
                            var materials = sessionCrypter.SessionMaterial.ToBytes();
                            outStream.Write(materials, 0, materials.Length);

                            sessionCrypter.Encrypt(inStream, outStream2);
                        }
            }
            else
            {
                Console.WriteLine(Localized.MsgUnknownFormat, _format);
                return(-1);
            }
            return(0);
        }