(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).

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#include <CkCertStore.h>
#include <CkCert.h>

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

    CkCertStore certStore;

    bool readOnly = true;
    bool success = certStore.OpenCurrentUserStore(readOnly);
    if (success == false) {
        std::cout << certStore.lastErrorText() << "\r\n";
        return;
    }

    const char *emailAddr = "support@chilkatsoft.com";
    CkCert *cert = certStore.FindCertBySubjectE(emailAddr);
    if (certStore.get_LastMethodSuccess() != true) {
        std::cout << "No certificate found for " << emailAddr << "\r\n";
        return;
    }

    std::cout << "Found: " << cert->subjectDN() << "\r\n";
    delete 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 = "SUPPORT@chilkatsoft.com";
    cert = certStore.FindCertBySubjectE(emailAddr);
    if (certStore.get_LastMethodSuccess() != true) {
        std::cout << "No certificate found for " << emailAddr << "\r\n";
        return;
    }

    std::cout << "Found: " << cert->subjectDN() << "\r\n";
    delete cert;
    }