(Unicode C++) Apple Keychain - Get Certificate by Common Name

See more Apple Keychain Examples

Retrieves the certificate from the Apple Keychain that matches the specified common name (CN).

Note: This example requires Chilkat v10.0.0 or greater.

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#include <CkCertW.h>

void ChilkatSample(void)
    {
    // On MacOS or iOS, this searches both the Default keychains and System keychains for the certificate
    // having the specified CN.
    CkCertW cert;
    bool success = cert.LoadByCommonName(L"Certum CA");
    if (success == false) {
        wprintf(L"%s\n",cert.lastErrorText());
        return;
    }

    wprintf(L"%s\n",cert.subjectDN());

    // Note: In the Apple Keychain, a certificate with its private key represents an identity because it combines the certificate and its private key.
    // When Chilkat loads a certificate from the Apple Keychain, it also gets the associated private key.
    // You can simply use the cert in other places in Chilkat where a cert w/ private key is required.
    CkCertW cert2;
    success = cert2.LoadByCommonName(L"Chilkat Software, Inc.");
    if (success == false) {
        wprintf(L"%s\n",cert2.lastErrorText());
        return;
    }

    wprintf(L"%s\n",cert2.subjectDN());
    bool hasPrivKey = cert2.HasPrivateKey();
    wprintf(L"Has private key: %d\n",hasPrivKey);

    wprintf(L"Success.\n");
    }