ProtectedConfiguration.cs source code in C# .NET

                        Code:
                         / Dotnetfx_Win7_3.5.1 / Dotnetfx_Win7_3.5.1 / 3.5.1 / DEVDIV / depot / DevDiv / releases / whidbey / NetFXspW7 / ndp / fx / src / Configuration / System / Configuration / ProtectedConfiguration.cs / 1 / ProtectedConfiguration.cs
                        
                        
                            //------------------------------------------------------------------------------ 
// 
//     Copyright (c) Microsoft Corporation.  All rights reserved.
// 
//----------------------------------------------------------------------------- 

namespace System.Configuration 
{ 
    using System.Collections;
    using System.Collections.Specialized; 
    using System.Runtime.Serialization;
    using System.Configuration.Provider;
    using System.Xml;
    using System.Security.Permissions; 

    [PermissionSet(SecurityAction.LinkDemand, Name = "FullTrust")] 
    public static class ProtectedConfiguration 
    {
        public static ProtectedConfigurationProviderCollection Providers 
        {
            get
            {
                ProtectedConfigurationSection config = PrivilegedConfigurationManager.GetSection(BaseConfigurationRecord.RESERVED_SECTION_PROTECTED_CONFIGURATION) as ProtectedConfigurationSection; 
                if (config == null)
                    return new ProtectedConfigurationProviderCollection(); 
 
                return config.GetAllProviders();
            } 
        }

        public const string RsaProviderName = "RsaProtectedConfigurationProvider";
        public const string DataProtectionProviderName = "DataProtectionConfigurationProvider"; 
        public const string ProtectedDataSectionName = BaseConfigurationRecord.RESERVED_SECTION_PROTECTED_CONFIGURATION;
 
        public static string DefaultProvider { 
            get {
                ProtectedConfigurationSection config = PrivilegedConfigurationManager.GetSection(BaseConfigurationRecord.RESERVED_SECTION_PROTECTED_CONFIGURATION) as ProtectedConfigurationSection; 
                if (config != null)
                    return config.DefaultProvider;

                return ""; 
            }
        } 
 

        /////////////////////////////////////////////////////////////////////////// 
        ///////////////////////////////////////////////////////////////////////////
        ///////////////////////////////////////////////////////////////////////////
#if CACHE_PROVIDERS_IN_STATIC
        private static void InstantiateProviders() 
        {
            if (_Providers != null) 
                return; 

            lock (_Lock) 
            {
                if (_Providers != null)
                    return;
 
                ProtectedConfigurationProviderCollection providers = new ProtectedConfigurationProviderCollection();
                ProtectedConfigurationSection config = PrivilegedConfigurationManager.GetSection(BaseConfigurationRecord.RESERVED_SECTION_PROTECTED_CONFIGURATION) as ProtectedConfigurationSection; 
 
                if (config != null)
                { 
                    foreach (DictionaryEntry de in config.ProviderNodes)
                    {
                        ProviderNode pn = de.Value as ProviderNode;
 
                        if (pn == null)
                            continue; 
 
                        providers.Add(pn.Provider);
                    } 
                }

                _Providers = providers;
            } 
        }
        private static object _Lock = new object(); 
        private static ProtectedConfigurationProviderCollection _Providers = null; 
#endif
 
    }
}

// File provided for Reference Use Only by Microsoft Corporation (c) 2007.
//------------------------------------------------------------------------------ 
// 
//     Copyright (c) Microsoft Corporation.  All rights reserved.
// 
//----------------------------------------------------------------------------- 

namespace System.Configuration 
{ 
    using System.Collections;
    using System.Collections.Specialized; 
    using System.Runtime.Serialization;
    using System.Configuration.Provider;
    using System.Xml;
    using System.Security.Permissions; 

    [PermissionSet(SecurityAction.LinkDemand, Name = "FullTrust")] 
    public static class ProtectedConfiguration 
    {
        public static ProtectedConfigurationProviderCollection Providers 
        {
            get
            {
                ProtectedConfigurationSection config = PrivilegedConfigurationManager.GetSection(BaseConfigurationRecord.RESERVED_SECTION_PROTECTED_CONFIGURATION) as ProtectedConfigurationSection; 
                if (config == null)
                    return new ProtectedConfigurationProviderCollection(); 
 
                return config.GetAllProviders();
            } 
        }

        public const string RsaProviderName = "RsaProtectedConfigurationProvider";
        public const string DataProtectionProviderName = "DataProtectionConfigurationProvider"; 
        public const string ProtectedDataSectionName = BaseConfigurationRecord.RESERVED_SECTION_PROTECTED_CONFIGURATION;
 
        public static string DefaultProvider { 
            get {
                ProtectedConfigurationSection config = PrivilegedConfigurationManager.GetSection(BaseConfigurationRecord.RESERVED_SECTION_PROTECTED_CONFIGURATION) as ProtectedConfigurationSection; 
                if (config != null)
                    return config.DefaultProvider;

                return ""; 
            }
        } 
 

        /////////////////////////////////////////////////////////////////////////// 
        ///////////////////////////////////////////////////////////////////////////
        ///////////////////////////////////////////////////////////////////////////
#if CACHE_PROVIDERS_IN_STATIC
        private static void InstantiateProviders() 
        {
            if (_Providers != null) 
                return; 

            lock (_Lock) 
            {
                if (_Providers != null)
                    return;
 
                ProtectedConfigurationProviderCollection providers = new ProtectedConfigurationProviderCollection();
                ProtectedConfigurationSection config = PrivilegedConfigurationManager.GetSection(BaseConfigurationRecord.RESERVED_SECTION_PROTECTED_CONFIGURATION) as ProtectedConfigurationSection; 
 
                if (config != null)
                { 
                    foreach (DictionaryEntry de in config.ProviderNodes)
                    {
                        ProviderNode pn = de.Value as ProviderNode;
 
                        if (pn == null)
                            continue; 
 
                        providers.Add(pn.Provider);
                    } 
                }

                _Providers = providers;
            } 
        }
        private static object _Lock = new object(); 
        private static ProtectedConfigurationProviderCollection _Providers = null; 
#endif
 
    }
}

// File provided for Reference Use Only by Microsoft Corporation (c) 2007.
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ProtectedConfiguration.cs source code in C# .NET

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