Rust

Use Installed Cert on Windows for TLS Client Authentication

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Demonstrates how to use a certificate that has already been installed on a Windows PC for TLS client authentication. Rust

// This example requires the Chilkat API to have been previously unlocked.
// See Global Unlock Sample for sample code.

let http = chilkat::Http::new();

// On Windows, a pre-installed certificate can be loaded in a number of different ways.
// This example loads by the common name:
let cert = chilkat::Cert::new();
if cert.load_by_common_name("My ECA Medium Assurance Identity Certificate").is_err() {
    println!("{}", cert.last_error_text());
    return;
}

// Make sure this certificate has a private key available.  
// It should be a private key such that when the certificate was installed, it was marked as "exportable"
// so that authorized programs are able to access the private key.
if !cert.has_private_key() {
    println!("A private key is needed for TLS client authentication.");
    println!("This certificate has no private key.");
    return;
}

// Set the certificate to be used for mutual TLS authentication
// (i.e. sets the client-side certificate for two-way TLS authentication)
if http.set_ssl_client_cert(&cert).is_err() {
    println!("{}", http.last_error_text());
    return;
}

// At this point, the HTTP object instance is setup with the client-side cert, and any SSL/TLS
// connection will automatically use it if the server demands a client-side cert.