(Go) 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 Go Downloads Go Package for Windows, MacOS, Linux, Alpine Linux, Solaris

    // 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.

    pkcs11 := chilkat.NewPkcs11()

    // 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.SetSharedLibPath("IDPrimePKCS1164.dll")

    success := pkcs11.Initialize()
    if success == false {
        fmt.Println(pkcs11.LastErrorText())
        pkcs11.DisposePkcs11()
        return
    }

    // Pass -1 for the slotID to open a session on the first non-empty slot.
    slotID := -1

    // Open a session.
    readWrite := true
    success = pkcs11.OpenSession(slotID,readWrite)
    if success == false {
        fmt.Println(pkcs11.LastErrorText())
        pkcs11.DisposePkcs11()
        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 {
        fmt.Println(pkcs11.LastErrorText())
        success = pkcs11.CloseSession()
        pkcs11.DisposePkcs11()
        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 {
        fmt.Println(pkcs11.LastErrorText())
        pkcs11.DisposePkcs11()
        return
    }

    fmt.Println("Successfully changed PIN from 1234 to 0000")

    pkcs11.DisposePkcs11()