(C# UWP/WinRT) 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 Universal Windows Platform (UWP) / WinRT Downloads Chilkat for the Universal Windows Platform (UWP)

// 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.

Chilkat.Pkcs11 pkcs11 = new Chilkat.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.SharedLibPath = "IDPrimePKCS1164.dll";

bool success = pkcs11.Initialize();
if (success == false) {
    Debug.WriteLine(pkcs11.LastErrorText);
    return;
}

// Call Discover to get the slot ID.
bool onlyTokensPresent = true;
Chilkat.JsonObject json = new Chilkat.JsonObject();
success = pkcs11.Discover(onlyTokensPresent,json);
if (success == false) {
    Debug.WriteLine(pkcs11.LastErrorText);
    return;
}

// Make sure we have at least one slot.
if (json.SizeOfArray("slot") <= 0) {
    Debug.WriteLine("No occuplied slots.");
    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) {
    Debug.WriteLine(pkcs11.LastErrorText);
    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) {
    Debug.WriteLine(pkcs11.LastErrorText);
    success = pkcs11.CloseSession();
    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) {
    Debug.WriteLine(pkcs11.LastErrorText);
    return;
}

Debug.WriteLine("Successfully changed PIN from 1234 to 0000");