Sample code for 30+ languages & platforms
C#

Load Certificate from .cer and Private Key from .pem

See more Certificates Examples

Load a certificate from a .cer and its associated private key from a .pem.

Chilkat C# Downloads

C#
bool success = false;

Chilkat.Cert cert = new Chilkat.Cert();
success = cert.LoadFromFile("C:/certs_and_keys/Certificate.cer");
if (success == false) {
    Debug.WriteLine(cert.LastErrorText);
    return;
}

Chilkat.StringBuilder sbPem = new Chilkat.StringBuilder();
success = sbPem.LoadFile("C:/certs_and_keys/PrivateKey.pem","utf-8");
if (success == false) {
    Debug.WriteLine("Failed to load private key PEM");
    return;
}

success = cert.SetPrivateKeyPem(sbPem.GetAsString());
if (success == false) {
    Debug.WriteLine(cert.LastErrorText);
    return;
}

Debug.WriteLine("The certificate and associated private key are now loaded and ready for signing.");