コード例 #1
0
ファイル: Credential.cs プロジェクト: zacateras/PowerShell
        /// <summary>
        /// GetObjectData
        /// </summary>
        /// <param name="info"></param>
        /// <param name="context"></param>
        public void GetObjectData(SerializationInfo info, StreamingContext context)
        {
            if (info == null)
            {
                return;
            }

            // serialize the secure string
            string safePassword = string.Empty;

            if (_password != null && _password.Length > 0)
            {
                byte[] key;
                byte[] iv;
                if (s_delegate != null && s_delegate(context, out key, out iv))
                {
                    safePassword = SecureStringHelper.Encrypt(_password, key, iv).EncryptedData;
                }
                else
                {
                    try
                    {
                        safePassword = SecureStringHelper.Protect(_password);
                    }
                    catch (CryptographicException cryptographicException)
                    {
                        throw PSTraceSource.NewInvalidOperationException(cryptographicException, Credential.CredentialDisallowed);
                    }
                }
            }

            info.AddValue("UserName", _userName);
            info.AddValue("Password", safePassword);
        }
コード例 #2
0
        /// <summary>
        /// Processes records from the input pipeline.
        /// For each input object, the command encrypts
        /// and exports the object.
        /// </summary>
        protected override void ProcessRecord()
        {
            string           exportedString   = null;
            EncryptionResult encryptionResult = null;

            const string argumentName = "SecureString";

            Utils.CheckSecureStringArg(SecureStringData, argumentName);
            if (SecureStringData.Length == 0)
            {
                throw PSTraceSource.NewArgumentException(argumentName);
            }

            if (SecureKey != null)
            {
                Dbg.Diagnostics.Assert(Key == null, "Only one encryption key should be specified");
                encryptionResult = SecureStringHelper.Encrypt(SecureString, SecureKey);
            }
            else if (Key != null)
            {
                encryptionResult = SecureStringHelper.Encrypt(SecureString, Key);
            }
            else
            {
                exportedString = SecureStringHelper.Protect(SecureString);
            }

            if (encryptionResult != null)
            {
                // The formatted string is Algorithm Version,
                // Initialization Vector, Encrypted Data
                string dataPackage = string.Format(
                    System.Globalization.CultureInfo.InvariantCulture,
                    "{0}|{1}|{2}",
                    2,
                    encryptionResult.IV,
                    encryptionResult.EncryptedData);

                // encode the package, and output it.
                // We also include a recognizable prefix so that
                // we can use the old decryption mechanism if we
                // don't see it. While the old decryption
                // generated invalid data for the first bit of the
                // SecureString, it at least didn't generate an
                // exception.
                byte[] outputBytes   = System.Text.Encoding.Unicode.GetBytes(dataPackage);
                string encodedString = Convert.ToBase64String(outputBytes);
                WriteObject(SecureStringHelper.SecureStringExportHeader + encodedString);
            }
            else if (exportedString != null)
            {
                WriteObject(exportedString);
            }
        }
コード例 #3
0
        protected override void ProcessRecord()
        {
            string           str = null;
            EncryptionResult encryptionResult = null;

            Utils.CheckSecureStringArg(base.SecureStringData, "SecureString");
            if (base.SecureKey == null)
            {
                if (base.Key == null)
                {
                    str = SecureStringHelper.Protect(this.SecureString);
                }
                else
                {
                    encryptionResult = SecureStringHelper.Encrypt(this.SecureString, base.Key);
                }
            }
            else
            {
                encryptionResult = SecureStringHelper.Encrypt(this.SecureString, base.SecureKey);
            }
            if (encryptionResult == null)
            {
                if (str != null)
                {
                    base.WriteObject(str);
                }
                return;
            }
            else
            {
                object[] v = new object[3];
                v[0] = 2;
                v[1] = encryptionResult.IV;
                v[2] = encryptionResult.EncryptedData;
                string str1         = string.Format(CultureInfo.InvariantCulture, "{0}|{1}|{2}", v);
                byte[] bytes        = Encoding.Unicode.GetBytes(str1);
                string base64String = Convert.ToBase64String(bytes);
                base.WriteObject(string.Concat(SecureStringHelper.SecureStringExportHeader, base64String));
                return;
            }
        }