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(PHP Extension) Create JWT using a Brainpool EC KeySee more JSON Web Token (JWT) ExamplesDemonstrates how to create a JWT using an EC private key. This is for JOSE headers having an "alg" member with any of the following values:
This example also demonstrates how to include time constraints:
<?php include("chilkat_9_5_0.php"); // Demonstrates how to create a JWT using a brainpool EC private key. // This example requires the Chilkat API to have been previously unlocked. // See Global Unlock Sample for sample code. $privKey = new CkPrivateKey(); // Load a brainpool EC key. $success = $privKey->LoadPemFile('c:/qa_data/pem/ec_brainpool_privKey.pem'); if ($success != true) { print $privKey->lastErrorText() . "\n"; exit; } // You can examine the curve name of the key you just loaded by getting the private in XML format: // <ECCKeyValue curve="CURVE_NAME">...</ECCKeyValue> print $privKey->getXml() . "\n"; $jwt = new CkJwt(); // Build the JOSE header $jose = new CkJsonObject(); // Use the brainpool curve name matching the private key you just loaded. // Use "BP256R1", or "BP384R1", etc. $success = $jose->AppendString('alg','BP256R1'); $success = $jose->AppendString('typ','JWT'); // Now build the JWT claims (also known as the payload) $claims = new CkJsonObject(); $success = $claims->AppendString('iss','http://example.org'); $success = $claims->AppendString('sub','John'); $success = $claims->AppendString('aud','http://example.com'); // Set the timestamp of when the JWT was created to now. $curDateTime = $jwt->GenNumericDate(0); $success = $claims->AddIntAt(-1,'iat',$curDateTime); // Set the "not process before" timestamp to now. $success = $claims->AddIntAt(-1,'nbf',$curDateTime); // Set the timestamp defining an expiration time (end time) for the token // to be now + 1 hour (3600 seconds) $success = $claims->AddIntAt(-1,'exp',$curDateTime + 3600); // Produce the smallest possible JWT: $jwt->put_AutoCompact(true); // Create the JWT token. This is where the ECC signature is created. $token = $jwt->createJwtPk($jose->emit(),$claims->emit(),$privKey); print $token . "\n"; ?> |
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