(C) Get Certificate Valid To/From Dates

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

Chilkat C/C++ Library Downloads
MS Visual C/C++ Linux/CentOS C/C++ Alpine Linux C/C++ MAC OS X C/C++	armhf/aarch64 C/C++ C++ Builder iOS C/C++ Android C/C++	Solaris C/C++ MinGW C/C++

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

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

    cert = CkCert_Create();

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

    // Get the certificate valid-from date/time
    ckdt = CkCert_GetValidFromDt(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 = CkDateTime_GetDtObj(ckdt,TRUE);
    printf("%d/%d/%d  %d:%d\n",CkDtObj_getDay(dt),CkDtObj_getMonth(dt),CkDtObj_getYear(dt),CkDtObj_getHour(dt),CkDtObj_getMinute(dt));
    CkDtObj_Dispose(dt);
    CkDateTime_Dispose(ckdt);

    // Get the certificate valid-to date/time
    ckdt = CkCert_GetValidToDt(cert);
    printf("Valid to: %s\n",CkDateTime_getAsTimestamp(ckdt,TRUE));
    // Valid to: 2020-03-18T18:59:59-05:00
    dt = CkDateTime_GetDtObj(ckdt,TRUE);
    printf("%d/%d/%d  %d:%d\n",CkDtObj_getDay(dt),CkDtObj_getMonth(dt),CkDtObj_getYear(dt),CkDtObj_getHour(dt),CkDtObj_getMinute(dt));
    CkDtObj_Dispose(dt);
    CkDateTime_Dispose(ckdt);


    CkCert_Dispose(cert);

    }