(MFC) PKCS11 Change Normal User PIN from Non-Logged-In State

See more PKCS11 Examples

When SetPin is called from a non-logged-in state, then it is the Normal User PIN that is changed.

Note: Requires Chilkat v9.5.0.89 or greater.

Chilkat C/C++ Library Downloads MS Visual C/C++ Libs

See Also: Using MFC CString in Chilkat

#include <CkPkcs11.h>
#include <CkJsonObject.h>

void ChilkatSample(void)
    {
    CkString strOut;

    // This example requires the Chilkat API to have been previously unlocked.
    // See Global Unlock Sample for sample code.

    // Note: Chilkat's PKCS11 implementation runs on Windows, Linux, Mac OS X, and other supported operating systems.

    CkPkcs11 pkcs11;

    // See PKCS11 Find Driver Library Path for information about how to find the 
    // PKCS11 driver file (if not explicitly known) for the plugged-in token or smart card in reader.
    pkcs11.put_SharedLibPath("IDPrimePKCS1164.dll");

    bool success = pkcs11.Initialize();
    if (success == false) {
        strOut.append(pkcs11.lastErrorText());
        strOut.append("\r\n");
        SetDlgItemText(IDC_EDIT1,strOut.getUnicode());
        return;
    }

    // Call Discover to get the slot ID.
    bool onlyTokensPresent = true;
    CkJsonObject json;
    success = pkcs11.Discover(onlyTokensPresent,json);
    if (success == false) {
        strOut.append(pkcs11.lastErrorText());
        strOut.append("\r\n");
        SetDlgItemText(IDC_EDIT1,strOut.getUnicode());
        return;
    }

    // Make sure we have at least one slot.
    if (json.SizeOfArray("slot") <= 0) {
        strOut.append("No occuplied slots.");
        strOut.append("\r\n");
        SetDlgItemText(IDC_EDIT1,strOut.getUnicode());
        return;
    }

    // Get the ID of the 1st slot
    int slotID = json.IntOf("slot[0].id");

    // Open a session.
    bool readWrite = true;
    success = pkcs11.OpenSession(slotID,readWrite);
    if (success == false) {
        strOut.append(pkcs11.lastErrorText());
        strOut.append("\r\n");
        SetDlgItemText(IDC_EDIT1,strOut.getUnicode());
        return;
    }

    // We haven't logged in, but we can set the Normal User's PIN directly by providing 
    // the existing PIN, and the new PIN.

    // Change the PIN from 1234 to 0000
    success = pkcs11.SetPin("1234","0000");
    if (success == false) {
        strOut.append(pkcs11.lastErrorText());
        strOut.append("\r\n");
        success = pkcs11.CloseSession();
        SetDlgItemText(IDC_EDIT1,strOut.getUnicode());
        return;
    }

    // When finished, close the session.
    // It is important to close the session (memory leaks will occur if the session is not properly closed).
    success = pkcs11.CloseSession();
    if (success == false) {
        strOut.append(pkcs11.lastErrorText());
        strOut.append("\r\n");
        SetDlgItemText(IDC_EDIT1,strOut.getUnicode());
        return;
    }

    strOut.append("Successfully changed PIN from 1234 to 0000");
    strOut.append("\r\n");


    SetDlgItemText(IDC_EDIT1,strOut.getUnicode());

    }