Rust Requires Chilkat v11.0.0+

Load JWK into PublicKey Object

See more JSON Web Signatures (JWS) Examples

Demonstrates how to load a Java Web Key (JWK) into a Chilkat public key object. Rust

// Imagine we have this JWK:

// {
// "kty":"RSA",
// "kid":"bilbo.baggins@hobbiton.example",
// "use":"sig",
// "n":"26381066103266289976070039679240841999340706859156341823971393693544846472963839705790075117105560154606562987481050889935247188300178764426769543782451174831475924241862817098997865881169498995546309260357488285676768114714548754913374731868063116787903918383610614912211576698081222844057810710088656983077876282582286966085572172471849443305250452393766960762340311496052418952315081937000716222751229644449475751932222180738210988190709824209639002026650048655399108647971010890335494074025258268035713167380057822555485524738518699437692145859633592396626258745090144803752145540471688039673495588314804430463791",
// "e":"65537"
// }
// 

let sb_jwk = chilkat::StringBuilder::new();
if sb_jwk.load_file("qa_data/jwk/simple_jwk_rsa.json", "utf-8").is_err() {
    println!("Failed to load simple JWK file.");
    return;
}

// Loading it into a Chilkat public key object is easy:
let pubkey = chilkat::PublicKey::new();
if pubkey.load_from_string(&sb_jwk.get_as_string().unwrap_or_default()).is_err() {
    println!("{}", pubkey.last_error_text());
    return;
}

println!("Simple JWK loaded into public key object.");

// ----------------------------------------------------------------------------------------------------------
// Demonstrate how to load a JWK that is contained within JSON into a public key object.

// {
//   "alg":"RS256",
//   "jwk":  {
//           "kty":"RSA",
//           "kid":"bilbo.baggins@hobbiton.example",
//           "use":"sig",
//           "n":"26381066103266289976070039679240841999340706859156341823971393693544846472963839705790075117105560154606562987481050889935247188300178764426769543782451174831475924241862817098997865881169498995546309260357488285676768114714548754913374731868063116787903918383610614912211576698081222844057810710088656983077876282582286966085572172471849443305250452393766960762340311496052418952315081937000716222751229644449475751932222180738210988190709824209639002026650048655399108647971010890335494074025258268035713167380057822555485524738518699437692145859633592396626258745090144803752145540471688039673495588314804430463791",
//           "e":"65537"
//           }
// }

let sb_jwk2 = chilkat::StringBuilder::new();
if sb_jwk2.load_file("qa_data/jwk/contained_jwk_rsa.json", "utf-8").is_err() {
    println!("{}", sb_jwk2.last_error_text());
    return;
}

// Get the "jwk" part of the JSON..
let json = chilkat::JsonObject::new();
let _ = json.load(&sb_jwk2.get_as_string().unwrap_or_default());

let json_jwk = chilkat::JsonObject::new();
if json.object_of2("jwk", &json_jwk).is_err() {
    println!("{}", json.last_error_text());
    return;
}

let pubkey2 = chilkat::PublicKey::new();
if pubkey2.load_from_string(&json_jwk.emit().unwrap_or_default()).is_err() {
    println!("{}", pubkey2.last_error_text());
    return;
}

println!("Contained JWK loaded into public key object.");