Getting the PublicKeyToken of Net assemblies

Question

What is the simplest way to find the Public-Key-Token of an assembly   The simplest way I can think of would be a simple right-click  get public key  but this functionality isn t there  maybe there is a Visual Studio Extension for that   I m using Visual Studio 2010  if an extension is available

User · Answer

If you have included the assembly in your project  you can do                var assemblies                   AppDomain CurrentDomain GetAssemblies                  foreach  var assem in assemblies                                    Console WriteLine assem FullName

User · Answer

As an alternative  you can also use linq like this -       string key   string Join     assembly                                  GetName                                    GetPublicKeyToken                                    Select  b   gt  b ToString   x2

User · Answer

Open a command prompt and type one of the following lines according to your Visual Studio version and Operating System Architecture    VS 2008 on 32bit Windows      ProgramFiles  Microsoft SDKs Windows v6 0A bin sn exe  -T  lt assemblyname gt    VS 2008 on 64bit Windows      ProgramFiles x86   Microsoft SDKs Windows v6 0A bin sn exe  -T  lt assemblyname gt    VS 2010 on 32bit Windows       ProgramFiles  Microsoft SDKs Windows v7 0A bin sn exe  -T  lt assemblyname gt    VS 2010 on 64bit Windows       ProgramFiles x86   Microsoft SDKs Windows v7 0A bin sn exe  -T  lt assemblyname gt    VS 2012 on 32bit Windows      ProgramFiles  Microsoft SDKs Windows v8 0A bin NETFX 4 0 Tools sn exe  -T  lt assemblyname gt    VS 2012 on 64bit Windows      ProgramFiles x86   Microsoft SDKs Windows v8 0A bin NETFX 4 0 Tools sn exe  -T  lt assemblyname gt    VS 2015 on 64bit Windows      ProgramFiles x86   Microsoft SDKs Windows v10 0A bin NETFX 4 6 1 Tools sn exe  -T  lt assemblyname gt    Note that for the versions VS2012   sn exe application isn t anymore in bin but in a sub-folder  Also  note that for 64bit you need to specify  x86  folder   If you prefer to use Visual Studio command prompt  just type    sn -T  lt assembly gt     where  lt assemblyname gt  is a full file path to the assembly you re interested in  surrounded by quotes if it has spaces   You can add this as an external tool in VS  as shown here  http   blogs msdn com b miah archive 2008 02 19 visual-studio-tip-get-public-key-token-for-a-stong-named-assembly aspx

User · Answer

another option   if you use PowerShell  you can find out like   PS C  Users Pravat gt    system reflection assembly   loadfile  C  Program Files  x86  MySQL Connector NET 6 6 5 Assemblies v4 0 MySql Data dll    FullName   like  PS C  Users Pravat gt    system reflection assembly   loadfile  dll full path    FullName   and will appear like     MySql Data  Version 6 6 5 0  Culture neutral    PublicKeyToken c5687fc88969c44d

User · Answer

You can get this easily via c   private static string GetPublicKeyTokenFromAssembly Assembly assembly        var bytes   assembly GetName   GetPublicKeyToken        if  bytes    null    bytes Length    0          return  None        var publicKeyToken   string Empty      for  int i   0  i  lt  bytes GetLength 0   i            publicKeyToken    string Format   0 x2    bytes i         return publicKeyToken

User · Answer

An alternate method would be if you have decompiler  just look it up in there  they usually provide the public key  I have looked at  Net Reflector  Telerik Just Decompile and ILSpy just decompile they seem to have the public key token displayed

User · Answer

1  The command is C  Program Files Microsoft SDKs Windows v6 0A bin sn -T  your dll   In the above example  the Microsoft SDK resides in C  Program Files Microsoft SDKs Windows v6 0A  Your environment may differ   2  To get the public key token of any of your project  you can add sn exe as part of your External Tools in Visual Studio  The steps are shown in this Microsoft link  How to  Create a Tool to Get the Public Key of an Assembly

User · Answer

The simplest way for me is to use ILSpy   When you drag  amp  drop the assembly on its window and select the dropped assembly on the the left  you can see the public key token on the right side of the window    I also think that the newer versions will also display the public key of the signature  if you ever need that one    See here  https   github com icsharpcode ILSpy issues 610 issuecomment-111189234  Good stuff

User · Answer

In case someone was looking for the assembly Public Key  like me   not the Public Key Token - using sn exe works great  except you have to use -Tp switch  which will return both the Public Key and Public Key Token - more at https   msdn microsoft com en-us library office ee539398 v office 14  aspx

User · Answer

You can use the Ildasm exe  IL Disassembler  to examine the assembly s metadata  which contains the fully qualified name   Following MSDN  https   msdn microsoft com en-us library 2exyydhb v vs 110  aspx

User · Answer

You can add this as an external tool to Visual Studio like so   Title   Get PublicKeyToken   Command   c  Program Files  x86  Microsoft SDKs Windows v8 1A bin NETFX 4 5 1 Tools sn exe    Path may differ between versions   Arguments   -T    TargetPath     And check the  Use Output window  option

User · Answer

If the library is included in the VS project  you can check  cproj file  e g     lt ItemGroup gt       lt Reference Include  Microsoft Dynamic  Version 1 1 0 20  Culture neutral  PublicKeyToken 7f709c5b713576e1  processorArchitecture MSIL  gt

User · Answer

Another options is to use the open source tool NuGet Package Explorer for this   From a Nuget package   nupkg  you could check the PublicKeyToken  or drag the binary   dll  in the tool  For the latter select first  File -  new

[.net] Getting the PublicKeyToken of .Net assemblies

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