@Test
public void testWriteReadJwsSignedByESPrivateKey() throws Exception {
JwtHeaders headers = new JwtHeaders();
headers.setAlgorithm(Algorithm.SHA256withECDSA.getJwtName());
JwsCompactProducer jws = initSpecJwtTokenWriter(headers);
ECPrivateKey privateKey = CryptoUtils.getECPrivateKey(EC_PRIVATE_KEY_ENCODED);
jws.signWith(new EcDsaJwsSignatureProvider(privateKey));
String signedJws = jws.getSignedEncodedJws();
ECPublicKey publicKey = CryptoUtils.getECPublicKey(EC_X_POINT_ENCODED, EC_Y_POINT_ENCODED);
JwsJwtCompactConsumer jwsConsumer = new JwsJwtCompactConsumer(signedJws);
assertTrue(jwsConsumer.verifySignatureWith(new PublicKeyJwsSignatureVerifier(publicKey)));
JwtToken token = jwsConsumer.getJwtToken();
JwtHeaders headersReceived = token.getHeaders();
assertEquals(Algorithm.SHA256withECDSA.getJwtName(), headersReceived.getAlgorithm());
validateSpecClaim(token.getClaims());
}
