C

OCSP Check Domain's Server Certificate Revocation Status

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Sends an OCSP request to determine the revocation status for an SSL server certificate. C

#include <C_CkHttp.h>

void ChilkatSample(void)
    {
    HCkHttp http;
    int status;

    //  This example requires the Chilkat API to have been previously unlocked.
    //  See Global Unlock Sample for sample code.

    http = CkHttp_Create();

    //  Check the revocation status of the SSL server certificate for chilkatsoft.com
    status = CkHttp_OcspCheck(http,"chilkatsoft.com",443);

    printf("chilkatsoft.com status = %d\n",status);

    //  The status can have 4 values:
    //  -1: Unable to check because of an error.
    //   0: Good
    //   1: Revoked
    //   2: Unknown

    if (status < 0) {
        printf("%s\n",CkHttp_lastErrorText(http));
    }

    //  Now check the status for a revoked server certificate.
    status = CkHttp_OcspCheck(http,"revoked.badssl.com",443);

    printf("revoked.badssl.com status = %d\n",status);


    CkHttp_Dispose(http);

    }