Rust

X509Certificate GetCertHash SHA256

See more Certificates Examples

Shows how to get the SHA256 hash of a certificate. Rust

let cert = chilkat::Cert::new();

// Load a certificate object with a certificate.
// The certificate object could have come from any source,
// or perhaps was obtained from another Chilkat function.
// The source does not matter.  What matters is that we have
// a cert object loaded with the certificate..
if cert.load_from_file("qa_data/certs/cert_test123.cer").is_err() {
    println!("{}", cert.last_error_text());
    return;
}

// Get the binary DER of the certificae, and compute the SHA256 hash:
let bd_der = chilkat::BinData::new();
let _ = cert.export_cert_der_bd(&bd_der);

// Get the base64 representation of the SHA256 hash.
let cert_hash = bd_der.get_hash("sha256", "base64").unwrap_or_default();

println!("Certificate hash in base64 = {}", cert_hash);