HashCoreRequest.cs source code in C# .NET

Source code for the .NET framework in C#

                        
Code:

                         / WCF / WCF / 3.5.30729.1 / untmp / Orcas / SP / ndp / cdf / src / WCF / infocard / Service / managed / Microsoft / InfoCards / HashCoreRequest.cs / 1 / HashCoreRequest.cs
                        

                        
                            //------------------------------------------------------------------------------ 
// Copyright (c) Microsoft Corporation.  All rights reserved.
//-----------------------------------------------------------------------------
namespace Microsoft.InfoCards
{ 
   using System;
   using System.IO; 
   using System.Diagnostics; 
   using System.Security.Principal;
   using IDT = Microsoft.InfoCards.Diagnostics.InfoCardTrace; 

   //
   // Summary:
   // Manages a Hash request from the client against a specified cryptosession. 
   //
   class HashCoreRequest : ClientRequest 
   { 
       //
       // The cryptosession id we are attaching to. 
       //
       int m_cryptoSession;

       // 
       // The cleartext data we wish to transfrom
       // 
       byte[] m_inBlock; 

        // 
        // Sumamry:
        // Construct an HashCoreRequest object
        //
        // Arguments: 
        //  callingProcess          - The process in which the caller originated.
        //  callingIdentity         - The WindowsIdentity of the caller 
        //  rpcHandle               - The handle of the native RPC request 
        //  inArgs                  - The stream to read input data from
        //  outArgs                 - The stream to write output data to 
        //
       public HashCoreRequest( Process callingProcess, WindowsIdentity callingIdentity, IntPtr rpcHandle, Stream inArgs, Stream outArgs )
           : base( callingProcess, callingIdentity,  rpcHandle, inArgs, outArgs )
       { 
           IDT.TraceDebug( "Intiating an Encrypt request" );
       } 
 

       protected override void OnMarshalInArgs() 
       {
           IDT.DebugAssert( null != InArgs, "null inargs" );
           BinaryReader reader = new InfoCardBinaryReader( InArgs );
 
           m_cryptoSession   = reader.ReadInt32();
           int count         = reader.ReadInt32(); 
           m_inBlock         = reader.ReadBytes( count ); 

           IDT.ThrowInvalidArgumentConditional( 0 == m_cryptoSession, "cryptoSession" ); 
       }

       //
       // Summary: 
       // Attach to the appropriate cryptosession and hash the data.
       // 
       protected override void OnProcess() 
       {
           try 
           {
               HashCryptoSession session =
                   (HashCryptoSession) CryptoSession.Find( m_cryptoSession, CallerPid, RequestorIdentity.User );
 
               session.HashCore( m_inBlock );
           } 
           finally 
           {
               Array.Clear( m_inBlock, 0, m_inBlock.Length ); 
           }
       }

 
       protected override void OnMarshalOutArgs()
       { 
           IDT.DebugAssert( null != OutArgs, "Null out args" ); 
       }
   } 

}

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

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