SignHashRequest.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 / SignHashRequest.cs / 1 / SignHashRequest.cs
                        

                        
                            //------------------------------------------------------------------------------ 
// Copyright (c) Microsoft Corporation.  All rights reserved.
//-----------------------------------------------------------------------------
namespace Microsoft.InfoCards
{ 
    using System;
    using System.Collections; 
    using System.Diagnostics; 
    using System.Runtime.InteropServices;
    using System.Text; 
    using System.IO;
    using System.Security.Principal;

    internal class SignHashRequest : ClientRequest 
    {
        // 
        // in 
        //
        int m_sessionId; 
        byte[ ] m_hash;
        string m_hashAlgOid;

        // 
        // out
        // 
        byte[ ] m_sig; 

        // 
        // Summary:
        //  SignHashRequest CTOR
        //
        // 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 SignHashRequest( Process callingProcess, WindowsIdentity callingIdentity, IntPtr rpcHandle, Stream inArgs, Stream outArgs )
            : base( callingProcess, callingIdentity, rpcHandle, inArgs, outArgs )
        { 
            m_sig = null;
        } 
 
        protected override void OnMarshalInArgs()
        { 
            BinaryReader breader = new InfoCardBinaryReader( InArgs, Encoding.Unicode );
            m_sessionId = breader.ReadInt32();

            int hashLength = breader.ReadInt32(); 
            m_hash = breader.ReadBytes( hashLength );
 
            m_hashAlgOid = Utility.DeserializeString( breader ); 

        } 

        protected override void OnProcess()
        {
 
            AsymmetricCryptoSession session
                = ( AsymmetricCryptoSession )CryptoSession.Find( 
                        m_sessionId, 
                        ( uint ) CallerPid,
                        RequestorIdentity.User ); 


            m_sig = session.SignHash( m_hash, m_hashAlgOid );
 
        }
 
        protected override void OnMarshalOutArgs() 
        {
 
            BinaryWriter bwriter = new BinaryWriter( OutArgs, Encoding.Unicode );
            bwriter.Write( m_sig.Length );
            bwriter.Write( m_sig );
        } 

    } 
} 

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

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