(C) Find a Certificate by it's SHA-1 Thumbprint

Finds a certificate by it's SHA-1 hex thumbprint. Parts of this example are specific to Windows because it searches the Windows Current User certificate store.

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#include <C_CkCertStore.h>
#include <C_CkCert.h>

void ChilkatSample(void)
    {
    HCkCertStore certStore;
    const char *thumbprint;
    BOOL bReadOnly;
    BOOL success;
    HCkCert cert;
    HCkCertStore certStorePem;

    certStore = CkCertStore_Create();

    thumbprint = "12c1dd8015f3f03f7b1fa619dc24e2493ca8b4b2";

    // This part of the example is specific to Windows because it is opening the Windows Current-User certificate store.
    bReadOnly = TRUE;
    success = CkCertStore_OpenCurrentUserStore(certStore,bReadOnly);
    if (success != TRUE) {
        printf("%s\n",CkCertStore_lastErrorText(certStore));
        CkCertStore_Dispose(certStore);
        return;
    }

    // Find the certificate with the desired thumbprint
    cert = CkCertStore_FindCertBySha1Thumbprint(certStore,thumbprint);
    if (CkCertStore_getLastMethodSuccess(certStore) != TRUE) {
        printf("Failed to find the certificate.\n");
        CkCertStore_Dispose(certStore);
        return;
    }

    printf("Found: %s\n",CkCert_subjectCN(cert));
    CkCert_Dispose(cert);

    // -------------------------------------------------------------------------------------
    // Alternatively, one could load a certificate store object with certs from a PEM file,
    // and do the same thing..
    certStorePem = CkCertStore_Create();

    success = CkCertStore_LoadPemFile(certStorePem,"pemFiles/certificates.pem");
    if (success != TRUE) {
        printf("%s\n",CkCertStore_lastErrorText(certStorePem));
        CkCertStore_Dispose(certStore);
        CkCertStore_Dispose(certStorePem);
        return;
    }

    cert = CkCertStore_FindCertBySha1Thumbprint(certStorePem,thumbprint);
    if (CkCertStore_getLastMethodSuccess(certStorePem) != TRUE) {
        printf("Failed to find the certificate.\n");
        CkCertStore_Dispose(certStore);
        CkCertStore_Dispose(certStorePem);
        return;
    }

    printf("Found: %s\n",CkCert_subjectCN(cert));
    CkCert_Dispose(cert);


    CkCertStore_Dispose(certStore);
    CkCertStore_Dispose(certStorePem);

    }