(Unicode C) Find Certificate for Email Address in Current-User Certificate Store (Windows-Only)

This is a Windows-only example to find a certificate for a given email address in the current-user certificate store (located in the Windows Registry).

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_CkCertStoreW.h>
#include <C_CkCertW.h>

void ChilkatSample(void)
    {
    HCkCertStoreW certStore;
    BOOL readOnly;
    BOOL success;
    const wchar_t *emailAddr;
    HCkCertW cert;

    // This is a Windows-only example because it lists the certificates
    // stored in the Windows Current User Certificate Store located in the
    // Windows Registry.

    certStore = CkCertStoreW_Create();

    readOnly = TRUE;
    success = CkCertStoreW_OpenCurrentUserStore(certStore,readOnly);
    if (success == FALSE) {
        wprintf(L"%s\n",CkCertStoreW_lastErrorText(certStore));
        CkCertStoreW_Dispose(certStore);
        return;
    }

    emailAddr = L"support@chilkatsoft.com";
    cert = CkCertStoreW_FindCertBySubjectE(certStore,emailAddr);
    if (CkCertStoreW_getLastMethodSuccess(certStore) != TRUE) {
        wprintf(L"No certificate found for %s\n",emailAddr);
        CkCertStoreW_Dispose(certStore);
        return;
    }

    wprintf(L"Found: %s\n",CkCertW_subjectDN(cert));
    CkCertW_Dispose(cert);

    // It should be case-insensitive, however it was found not to be.
    // The case-insensitive search is fixed starting in Chilkat v9.5.0.65.
    emailAddr = L"SUPPORT@chilkatsoft.com";
    cert = CkCertStoreW_FindCertBySubjectE(certStore,emailAddr);
    if (CkCertStoreW_getLastMethodSuccess(certStore) != TRUE) {
        wprintf(L"No certificate found for %s\n",emailAddr);
        CkCertStoreW_Dispose(certStore);
        return;
    }

    wprintf(L"Found: %s\n",CkCertW_subjectDN(cert));
    CkCertW_Dispose(cert);


    CkCertStoreW_Dispose(certStore);

    }