MS.StrongNameSignatures.cs

  • Article

1  using System;2  using System.Diagnostics;3  using System.Globalization;4  using System.IO;5  using MS.StrongName.Native;6  7  namespace MS.StrongName8  {9       /// <summary>10       ///      Class that exposes the managed StrongName API for dealing with signatures11       /// </summary>12      public static class Signatures13      {14           /// <summary>15           ///      Verify an assembly's strong name16           /// </summary>17           /// <exception cref="ArgumentNullException">18           ///      If <paramref name="signedAssembly"/> is null19           /// </exception>20           /// <exception cref="ArgumentException">21           ///      If <paramref name="signedAssembly"/> is empty22           /// </exception>23           /// <exception cref="InvalidOperationException">24           ///      If verification could not complete25           /// </exception>26           /// <param name="signedAssembly">assembly to verify</param>27           /// <param name="forceVerification">true to ignore the skip verify registry </param>28           /// <returns>result of the strong name verification</returns>29          public static VerificationResult VerifyAssembly(string signedAssembly, bool forceVerification)30          {31              if(signedAssembly == null)32                  throw new ArgumentNullException("signedAssembly");33              if(String.IsNullOrEmpty(signedAssembly))34                  throw new ArgumentException(Resources.InvalidAssemblyName, String.Empty);35  36               // make sure the assembly is there37              if(!File.Exists(signedAssembly))38                  throw new InvalidOperationException(String.Format(39                              CultureInfo.CurrentCulture,40                              Resources.NoAssembly,41                              signedAssembly));42  43               // do the verification44              bool notForced = false;45              bool passedVerification = NativeMethods.StrongNameSignatureVerificationEx(46                      signedAssembly,47                      forceVerification,48                      ref notForced);49  50              if(passedVerification && notForced)51                  return VerificationResult.Verified;52              else if(passedVerification && !notForced)53                  return VerificationResult.DelaySigned;54              else55                  return VerificationResult.NotVerified;56          }57      }58  }