Setting the certificate name

So here's a command line example of how to do it. You need a CAPICOM from microsoft that wraps CryptoAPI.

The friendly name is a property of the certificate store, not the certificate, so this code will import the certificate into the certificate store and set the friendly name as it does.

The code takes two parameters: the path to the certificate file and the friendly name that you want to install.

Code: -

using System;

using System.Collections.Generic;

using System.Text;

using CAPICOM;

using System.Collections;

using System.Runtime.InteropServices;


namespace CertTool

{

    class Program
    {
        const uint CERT_SYSTEM_STORE_LOCAL_MACHINE = 0x20000;
        const int CAPICOM_PROPID_FRIENDLY_NAME = 11;
        const int CAPICOM_ENCODE_BINARY = 1;

        static private String _currStoreName = "My";
        static private String _FriendlyName = "Not Set";
        static private String _CertPath = "C:\\test.cer";
        static StoreClass _oCurrStore;
        static ExtendedPropertyClass _friendlyProp;
        static CertificateClass _certificate;
        static ExtendedProperties _extendedProp;

        static void Main(string[] args)
        {
            try
            {
                //Friendly name Argument
                if (args.Length > 0)
                {
                    _FriendlyName = args[0];
                }
                //Certpath argument
                if (args.Length > 1) 
                {
                    _CertPath = args[1];
                }
                //Set and open the Store
                _oCurrStore = new StoreClass();
                _oCurrStore.Open(
                    CAPICOM_STORE_LOCATION.CAPICOM_LOCAL_MACHINE_STORE,
                    _currStoreName,
                    CAPICOM_STORE_OPEN_MODE.CAPICOM_STORE_OPEN_EXISTING_ONLY |
                    CAPICOM_STORE_OPEN_MODE.CAPICOM_STORE_OPEN_MAXIMUM_ALLOWED);
                //Call the import certificate function
                importCert();
            }
            catch(Exception ex){
                Console.WriteLine(ex.Message);
                Console.WriteLine(args[0]);
            }
        }
        //Function import the certificate to the machine store and sets the friendly name
        static bool importCert()
        {
            try
            {
                //Create Certificate Object
                _certificate = new CertificateClass();
                //Load the certificate into the obejct from file
                _certificate.Load(_CertPath, "", CAPICOM_KEY_STORAGE_FLAG.CAPICOM_KEY_STORAGE_EXPORTABLE, CAPICOM_KEY_LOCATION.CAPICOM_LOCAL_MACHINE_KEY);
                //Create extended property Class for friendly name
                _friendlyProp = new ExtendedPropertyClass();
                _friendlyProp.PropID =  CAPICOM_PROPID.CAPICOM_PROPID_FRIENDLY_NAME;
                _friendlyProp.set_Value(CAPICOM_ENCODING_TYPE.CAPICOM_ENCODE_BINARY, _FriendlyName);

                //Add extendedProp on cert object
                _extendedProp = _certificate.ExtendedProperties();
                //Set extendded prop to friendly name object
                _extendedProp.Add(_friendlyProp);
                _oCurrStore.Add(_certificate);
                return true;
            }
            catch (Exception e)
            {
                Console.WriteLine(e.Message);
                Console.WriteLine(_CertPath);
                return true;
            }
        }
    }
}