PublicKeyToken generation.

[Guest]

For a remoting application I need to specify in the configuration the full
name of the assembly because the remoting object is in the GAC so I need to
specify the version and the public key token. Both the version and the public
key token is the same as the calling assembly so I just need to get these
values to specify a full assembly name. The version is no problem. I am
having some problem with the PublicKeyToken. From the Assembly class I can
retrieve the AssemblyName class which has a property KeyPair which also has a
property PublicKey My question is, what do I need to do to generate the
PublicKeyToken from the PublicKey?

Thank you

Kevin

 

[Mattias Sjögren]

Kevin,

My question is, what do I need to do to generate the
PublicKeyToken from the PublicKey?

AssemblyName.GetPublicKeyToken() returns an array with just the token
bytes. You can then format it as a hex string.



Mattias

 

[Guest]

Thank you. I overlooked that method. The next question is really an FAQ but
how is the best way to generate a hex string given a byte array?

 

[n33470]

Kevin,

Are you really just trying to figure out what the public key token is
for an assembly loaded into the GAC? If that's all your trying to do,
there is a simpler way. Using Windows Explorer, explore to the GAC
directory on the PC, which should be "c:\WINDOWS\assembly". One of the
properties of all assemblies in the GAC is the public key token. You
should be able to see the public key token by either right-clicking the
assembly and looking at properties, or by scrolling to the right-hand
edge of the GAC folder's view.

HTH,

--steve

 

[Guest]

It is a little more complicated than that. We use a single public/private key
to sign all of our assemblies. So, if I get the PublicKeyToken for one
assembly I know it for all assemblies. In a service I am setting up
(configuring) a call to a remote server using a remoting object. Since that
object is in the GAC (on the remote server) I need to specify the full name
including the PublicKeyToken. I could hard-code the PublicKeyToken but I
thought a better way would be to get the PublicKeyToken from the executing
assembly and use that to configure the remoting object. That is where this
all started from.

Kevin

 

[Mattias Sjögren]

Kevin,

Thank you. I overlooked that method. The next question is really an FAQ but
how is the best way to generate a hex string given a byte array?

Something like this for example

StringBuilder buffer = new StringBuilder(16);
foreach ( byte b in assemblyName.GetPublicKeyToken() )
buffer.AppendFormat( "x2", b );
string keyToken = buffer.ToString();



Mattias