Test generating a HMAC key with sha-256. On success, you will see a series of "PASS" messages, followed by "TEST COMPLETE". Generating a key... PASS key.type is 'secret' PASS key.extractable is true PASS key.algorithm.name is 'HMAC' PASS key.algorithm.length is 512 PASS key.algorithm.hash.name is 'SHA-256' PASS key.usages is ["sign", "verify"] PASS successfullyParsed is true TEST COMPLETE