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Rust

Export Selected PFX Contents as PEM

See more PFX/P12 Examples

Demonstrates Pfx.ToPemEx, which exports selected PFX contents as PEM-formatted text with control over which parts are included and how private keys are encrypted.

Background. Private keys are written in PKCS #8 form. Supported key-encryption algorithms include aes128, aes192, aes256, and 3des; leaving the algorithm empty produces unencrypted keys.

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Rust

let pfx = chilkat::Pfx::new();

// The file path is relative to the application's current working directory.  An absolute path
// may also be used.  Supply the path appropriate to your own environment.
// The PFX password should come from a secure source rather than being hard-coded.
let password = "myPfxPassword".to_string();
if pfx.load_pfx_file("qa_data/identity.pfx", &password).is_err() {
    println!("{}", pfx.last_error_text());
    return;
}

// Export selected PFX contents as PEM-formatted text.  The boolean arguments control what is
// included: extended attributes, and whether to omit private keys, certificates, or CA certificates.
let b_extended_attrs = false;
let b_no_keys = false;
let b_no_certs = false;
let b_no_ca_certs = false;

// Encrypt the exported private keys.  Supported algorithms include aes128, aes192, aes256, and 3des;
// leave the algorithm empty for unencrypted keys.  The key password should come from a secure source.
let key_password = "myKeyPassword".to_string();
let Ok(pem) = pfx.to_pem_ex(b_extended_attrs, b_no_keys, b_no_certs, b_no_ca_certs, "aes256", &key_password) else {
    println!("{}", pfx.last_error_text());
    return;
};

println!("{}", pem);