InfoCardRSAPKCS1SignatureFormatter.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 / Client / System / IdentityModel / Selectors / InfoCardRSAPKCS1SignatureFormatter.cs / 1 / InfoCardRSAPKCS1SignatureFormatter.cs
                        

                        
                            //------------------------------------------------------------------------------ 
// Copyright (c) Microsoft Corporation.  All rights reserved.
//-----------------------------------------------------------------------------

namespace System.IdentityModel.Selectors 
{
    using System; 
    using System.Security.Cryptography; 

    internal class InfoCardRSAPKCS1SignatureFormatter : RSAPKCS1SignatureFormatter 
    {
        private RSA    m_rsaKey;
        private string m_strOID;
 
        //
        // public constructors 
        // 

        public InfoCardRSAPKCS1SignatureFormatter() : base() {} 

        public InfoCardRSAPKCS1SignatureFormatter( AsymmetricAlgorithm key ) : base( key ) {
            m_rsaKey = (RSA) key;
        } 

        // 
        // public methods 
        //
 
        public override void SetKey( AsymmetricAlgorithm key )
        {
            base.SetKey( key );
            m_rsaKey = (RSA) key; 
        }
 
        public override void SetHashAlgorithm( string strName ) 
        {
            base.SetHashAlgorithm( strName ); 
            m_strOID = CryptoConfig.MapNameToOID(strName);
        }

        public override byte[] CreateSignature(byte[] rgbHash) { 
            if ( !( null == m_strOID || null == m_rsaKey || null == rgbHash ) && m_rsaKey is InfoCardRSACryptoProvider )
            { 
                return ((InfoCardRSACryptoProvider) m_rsaKey).SignHash( rgbHash, m_strOID ); 
            }
            else 
            {
                return base.CreateSignature( rgbHash );
            }
        } 
    }
} 

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

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