StrongNameUtility.cs source code in C# .NET

Source code for the .NET framework in C#

                        
Code:

                         / 4.0 / 4.0 / untmp / DEVDIV_TFS / Dev10 / Releases / RTMRel / ndp / fx / src / xsp / System / Web / Configuration / StrongNameUtility.cs / 1305376 / StrongNameUtility.cs
                        

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

namespace System.Web.Configuration { 
 
    using System.Diagnostics;
    using System.IO; 
    using System.Runtime.InteropServices;
    using System.Security.Permissions;
    using Microsoft.Runtime.Hosting;
 
    internal class StrongNameUtility {
 
        // Help class shouldn't be instantiated. 
        private StrongNameUtility() {
        } 

        internal static bool GenerateStrongNameFile(string filename) {
            // variables that hold the unmanaged key
            IntPtr keyBlob = IntPtr.Zero; 
            int generatedSize = 0;
 
            // create the key 
            bool createdKey = StrongNameHelpers.StrongNameKeyGen(null,
                0 /*No flags. 1 is to save the key in the key container */, 
                out keyBlob, out generatedSize);

            // if there was a problem, translate it and report it
            if (!createdKey || keyBlob == IntPtr.Zero) { 
                throw Marshal.GetExceptionForHR(StrongNameHelpers.StrongNameErrorInfo());
            } 
 
            try {
                Debug.Assert(keyBlob != IntPtr.Zero); 

                // make sure the key size makes sense
                Debug.Assert(generatedSize > 0 && generatedSize <= Int32.MaxValue);
                if (generatedSize <= 0 || generatedSize > Int32.MaxValue) { 
                    throw new InvalidOperationException(SR.GetString(SR.Browser_InvalidStrongNameKey));
                } 
 
                // get the key into managed memory
                byte[] key = new byte[generatedSize]; 
                Marshal.Copy(keyBlob, key, 0, (int)generatedSize);

                // write the key to the specified file
                using (FileStream snkStream = new FileStream(filename, FileMode.Create, FileAccess.Write)) { 
                    using (BinaryWriter snkWriter = new BinaryWriter(snkStream)) {
                        snkWriter.Write(key); 
                    } 
                }
            } 
            finally {
                // release the unmanaged memory the key resides in
                if (keyBlob != IntPtr.Zero) {
                    StrongNameHelpers.StrongNameFreeBuffer(keyBlob); 
                }
            } 
 
            return true;
        } 
    }
}

// File provided for Reference Use Only by Microsoft Corporation (c) 2007.

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