(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 <C_CkCert.h>

void ChilkatSample(void)
    {
    HCkCert cert;
    BOOL success;
    HCkCert cert2;
    BOOL hasPrivKey;

    // On MacOS or iOS, this searches both the Default keychains and System keychains for the certificate
    // having the specified CN.
    cert = CkCert_Create();
    success = CkCert_LoadByCommonName(cert,"Certum CA");
    if (success == FALSE) {
        printf("%s\n",CkCert_lastErrorText(cert));
        CkCert_Dispose(cert);
        return;
    }

    printf("%s\n",CkCert_subjectDN(cert));

    // 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.
    cert2 = CkCert_Create();
    success = CkCert_LoadByCommonName(cert2,"Chilkat Software, Inc.");
    if (success == FALSE) {
        printf("%s\n",CkCert_lastErrorText(cert2));
        CkCert_Dispose(cert);
        CkCert_Dispose(cert2);
        return;
    }

    printf("%s\n",CkCert_subjectDN(cert2));
    hasPrivKey = CkCert_HasPrivateKey(cert2);
    printf("Has private key: %d\n",hasPrivKey);

    printf("Success.\n");


    CkCert_Dispose(cert);
    CkCert_Dispose(cert2);

    }