(Unicode C++) Generate TOTP using Base32 Secret (6 Digits, Time-based, 30-second period)

Generates a 6-digit time-based TOTP code using a base32 secret with a 30-second time period.

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#include <CkCrypt2W.h>
#include <CkStringBuilderW.h>

void ChilkatSample(void)
    {
    // This example requires the Chilkat API to have been previously unlocked.
    // See Global Unlock Sample for sample code.
    // 
    CkCrypt2W crypt;

    // Base32 secret key:
    const wchar_t *secretKey = L"oebf ytfl qmzb p4xd 2ztf zyz4 hjrw 3uyo";

    CkStringBuilderW sbKey;
    bool success = sbKey.Append(secretKey);

    // Remove SPACE chars.
    int numRemoved = sbKey.Replace(L" ",L"");

    // Note: A new token is generated every 30 seconds.  You must generate within the same 30 second interval to get the same result.

    // Generate 6 digits.
    int numDigits = 6;
    // 30 second time period.
    int timePeriod = 30;
    wprintf(L"Your token is: %s\n",crypt.totp(sbKey.getAsString(),L"base32",L"0",L"",timePeriod,numDigits,-1,L"sha1"));
    }