(C) Validate a Smartcard PIN

Validates a smartcard PIN. This example only runs on Windows and requires Chilkat v9.5.0.77 or greater.

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#include <C_CkCert.h>

void ChilkatSample(void)
    {
    HCkCert cert;
    BOOL success;
    int pinValid;

    // Note: Requires Chilkat v9.5.0.77 or greater.

    cert = CkCert_Create();

    CkCert_putSmartCardPin(cert,"000000");

    // Load the certificate on the smartcard currently in the reader (or on the USB token).
    // Pass an empty string to allow Chilkat to automatically choose the CSP (Cryptographi Service Provider).
    // See Load Certificate on Smartcard for information about explicitly selecting a particular CSP.
    success = CkCert_LoadFromSmartcard(cert,"");
    if (success != TRUE) {
        printf("%s\n",CkCert_lastErrorText(cert));
        CkCert_Dispose(cert);
        return;
    }

    // Check to see if the SmartCardPin property contains the valid PIN for the smartcard.
    pinValid = CkCert_CheckSmartCardPin(cert);
    if (pinValid < 0) {
        printf("Unable to check the PIN validity.\n");
        printf("%s\n",CkCert_lastErrorText(cert));
        CkCert_Dispose(cert);
        return;
    }

    if (pinValid == 1) {
        printf("PIN is valid.\n");
    }
    else {
        printf("PIN is invalid.\n");
    }



    CkCert_Dispose(cert);

    }