(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 <C_CkCert.h>
#include <C_CkDateTime.h>
#include <C_CkDtObj.h>

void ChilkatSample(void)
    {
    BOOL success;
    HCkCert cert;
    HCkDateTime ckdt;
    HCkDtObj dt;

    success = FALSE;

    cert = CkCert_Create();

    success = CkCert_LoadFromFile(cert,"qa_data/certs/testCert.cer");
    if (success == FALSE) {
        printf("%s\n",CkCert_lastErrorText(cert));
        CkCert_Dispose(cert);
        return;
    }

    // Get the certificate valid-from date/time
    ckdt = CkDateTime_Create();
    CkDateTime_SetFromRfc822(ckdt,CkCert_validFromStr(cert));

    // Get the local timestamp string.
    printf("Valid from: %s\n",CkDateTime_getAsTimestamp(ckdt,TRUE));
    // 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.
    dt = CkDtObj_Create();
    CkDateTime_ToDtObj(ckdt,TRUE,dt);

    printf("%d/%d/%d  %d:%d\n",CkDtObj_getDay(dt),CkDtObj_getMonth(dt),CkDtObj_getYear(dt),CkDtObj_getHour(dt),CkDtObj_getMinute(dt));

    // Get the certificate valid-to date/time
    CkDateTime_SetFromRfc822(ckdt,CkCert_validToStr(cert));

    printf("Valid to: %s\n",CkDateTime_getAsTimestamp(ckdt,TRUE));
    // Valid to: 2020-03-18T18:59:59-05:00new DtObj dt;
    CkDateTime_ToDtObj(ckdt,TRUE,dt);

    printf("%d/%d/%d  %d:%d\n",CkDtObj_getDay(dt),CkDtObj_getMonth(dt),CkDtObj_getYear(dt),CkDtObj_getHour(dt),CkDtObj_getMinute(dt));


    CkCert_Dispose(cert);
    CkDateTime_Dispose(ckdt);
    CkDtObj_Dispose(dt);

    }