PKCS11 skeleton

basepkcs11.cpp

/*
 * This is a skeleton for a pkcs11 application that takes care of loading the named pkcs11 library and getting
 * the list of pkcs11 functions.
 */
#include <iostream>
#include <iomanip>
#include <windows.h>

// get this from https://www.cryptsoft.com/pkcs11doc/STANDARD/include/v220
// also get pkcs11t.h, pkcs11f.h, pkcs11.h
#include "cryptoki.h"   

using namespace std;

typedef CK_RV (*C_GetFunctionList_t)(CK_FUNCTION_LIST_PTR_PTR);

#define IS_OK if (rv != CKR_OK) {cout << __LINE__ << ":rv = " << std::hex << rv << endl; return 1;}

int main() {
    HMODULE lib = LoadLibrary("pkcs11-dll-name");
    C_GetFunctionList_t C_GetFunctionList = (C_GetFunctionList_t) GetProcAddress(lib, "C_GetFunctionList");

    CK_FUNCTION_LIST_PTR pkcs11;
    CK_RV rv = C_GetFunctionList(&pkcs11); IS_OK;

    rv = pkcs11->C_Initialize(NULL); IS_OK;
    CK_ULONG num_slots = 100;
    CK_SLOT_ID slots[100];
    rv = pkcs11->C_GetSlotList(CK_TRUE, slots, &num_slots); IS_OK;
    for (CK_ULONG i = 0; i < num_slots; ++i) {
        cout << "slot:  " << slots[i] << endl;
    }
    rv = pkcs11->C_Finalize(NULL); IS_OK;


    FreeLibrary(lib);
    return 0;
}