(C++) Get Certificate Valid To/From Dates

Demonstrates how to get the certificate "valid from" and "valid to" dates.

Note: This example requires Chilkat v11.0.0 or greater.

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#include <CkCert.h>
#include <CkDateTime.h>
#include <CkDtObj.h>

void ChilkatSample(void)
    {
    bool success = false;

    CkCert cert;

    success = cert.LoadFromFile("qa_data/certs/testCert.cer");
    if (success == false) {
        std::cout << cert.lastErrorText() << "\r\n";
        return;
    }

    // Get the certificate valid-from date/time
    CkDateTime ckdt;
    ckdt.SetFromRfc822(cert.validFromStr());

    // Get the local timestamp string.
    std::cout << "Valid from: " << ckdt.getAsTimestamp(true) << "\r\n";
    // Valid from: 2017-03-17T19:00:00-05:00

    // Now get the date/time as another object where we can get the individual numeric date parts.
    CkDtObj dt;
    ckdt.ToDtObj(true,dt);

    std::cout << dt.get_Day() << "/" << dt.get_Month() << "/" << dt.get_Year() << "  " << dt.get_Hour() << ":"
         << dt.get_Minute() << "\r\n";

    // Get the certificate valid-to date/time
    ckdt.SetFromRfc822(cert.validToStr());

    std::cout << "Valid to: " << ckdt.getAsTimestamp(true) << "\r\n";
    // Valid to: 2020-03-18T18:59:59-05:00new DtObj dt;
    ckdt.ToDtObj(true,dt);

    std::cout << dt.get_Day() << "/" << dt.get_Month() << "/" << dt.get_Year() << "  " << dt.get_Hour() << ":"
         << dt.get_Minute() << "\r\n";
    }