(C) Load PEM and List Certificates

Demonstrates how to load a PEM containing certificates and accesses each individual certificate.

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_CkGlobal.h>
#include <C_CkPem.h>
#include <C_CkCert.h>

void ChilkatSample(void)
    {
    HCkGlobal chilkatGlob;
    BOOL success;
    HCkPem pem;
    int i;
    int numCerts;
    HCkCert cert;

    // Starting in v9.5.0.49, all Chilkat classes can be unlocked at once at the beginning of a program
    // by calling UnlockBundle.  It requires a Bundle unlock code.
    chilkatGlob = CkGlobal_Create();
    success = CkGlobal_UnlockBundle(chilkatGlob,"Anything for 30-day trial.");
    if (success != TRUE) {
        printf("%s\n",CkGlobal_lastErrorText(chilkatGlob));
        CkGlobal_Dispose(chilkatGlob);
        return;
    }

    pem = CkPem_Create();

    // Load the .p7b from a file.
    success = CkPem_LoadPemFile(pem,"/Users/chilkat/testData/p7b/cacert_mozilla.pem");
    if (success != TRUE) {
        printf("%s\n",CkPem_lastErrorText(pem));
        CkGlobal_Dispose(chilkatGlob);
        CkPem_Dispose(pem);
        return;
    }

    numCerts = CkPem_getNumCerts(pem);
    if (numCerts == 0) {
        printf("%s\n",("Error: Expected the PEM to contain certificates."));
        CkGlobal_Dispose(chilkatGlob);
        CkPem_Dispose(pem);
        return;
    }

    // Access each certificate and show the Subject CN (Common Name)
    for (i = 1; i <= numCerts; i++) {
        cert = CkPem_GetCert(pem,i - 1);
        printf("%d: %s\n",i,CkCert_subjectCN(cert));
        CkCert_Dispose(cert);
    }



    CkGlobal_Dispose(chilkatGlob);
    CkPem_Dispose(pem);

    }