@Test public void testValidate() throws InvalidKeySpecException, NoSuchAlgorithmException { final byte[] n = { (byte) 161, (byte) 248, (byte) 22, (byte) 10, (byte) 226, (byte) 227, (byte) 201, (byte) 180, (byte) 101, (byte) 206, (byte) 141, (byte) 45, (byte) 101, (byte) 98, (byte) 99, (byte) 54, (byte) 43, (byte) 146, (byte) 125, (byte) 190, (byte) 41, (byte) 225, (byte) 240, (byte) 36, (byte) 119, (byte) 252, (byte) 22, (byte) 37, (byte) 204, (byte) 144, (byte) 161, (byte) 54, (byte) 227, (byte) 139, (byte) 217, (byte) 52, (byte) 151, (byte) 197, (byte) 182, (byte) 234, (byte) 99, (byte) 221, (byte) 119, (byte) 17, (byte) 230, (byte) 124, (byte) 116, (byte) 41, (byte) 249, (byte) 86, (byte) 176, (byte) 251, (byte) 138, (byte) 143, (byte) 8, (byte) 154, (byte) 220, (byte) 75, (byte) 105, (byte) 137, (byte) 60, (byte) 193, (byte) 51, (byte) 63, (byte) 83, (byte) 237, (byte) 208, (byte) 25, (byte) 184, (byte) 119, (byte) 132, (byte) 37, (byte) 47, (byte) 236, (byte) 145, (byte) 79, (byte) 228, (byte) 133, (byte) 119, (byte) 105, (byte) 89, (byte) 75, (byte) 234, (byte) 66, (byte) 128, (byte) 211, (byte) 44, (byte) 15, (byte) 85, (byte) 191, (byte) 98, (byte) 148, (byte) 79, (byte) 19, (byte) 3, (byte) 150, (byte) 188, (byte) 110, (byte) 155, (byte) 223, (byte) 110, (byte) 189, (byte) 210, (byte) 189, (byte) 163, (byte) 103, (byte) 142, (byte) 236, (byte) 160, (byte) 198, (byte) 104, (byte) 247, (byte) 1, (byte) 179, (byte) 141, (byte) 191, (byte) 251, (byte) 56, (byte) 200, (byte) 52, (byte) 44, (byte) 226, (byte) 254, (byte) 109, (byte) 39, (byte) 250, (byte) 222, (byte) 74, (byte) 90, (byte) 72, (byte) 116, (byte) 151, (byte) 157, (byte) 212, (byte) 185, (byte) 207, (byte) 154, (byte) 222, (byte) 196, (byte) 199, (byte) 91, (byte) 5, (byte) 133, (byte) 44, (byte) 44, (byte) 15, (byte) 94, (byte) 248, (byte) 165, (byte) 193, (byte) 117, (byte) 3, (byte) 146, (byte) 249, (byte) 68, (byte) 232, (byte) 237, (byte) 100, (byte) 193, (byte) 16, (byte) 198, (byte) 182, (byte) 71, (byte) 96, (byte) 154, (byte) 164, (byte) 120, (byte) 58, (byte) 235, (byte) 156, (byte) 108, (byte) 154, (byte) 215, (byte) 85, (byte) 49, (byte) 48, (byte) 80, (byte) 99, (byte) 139, (byte) 131, (byte) 102, (byte) 92, (byte) 111, (byte) 111, (byte) 122, (byte) 130, (byte) 163, (byte) 150, (byte) 112, (byte) 42, (byte) 31, (byte) 100, (byte) 27, (byte) 130, (byte) 211, (byte) 235, (byte) 242, (byte) 57, (byte) 34, (byte) 25, (byte) 73, (byte) 31, (byte) 182, (byte) 134, (byte) 135, (byte) 44, (byte) 87, (byte) 22, (byte) 245, (byte) 10, (byte) 248, (byte) 53, (byte) 141, (byte) 154, (byte) 139, (byte) 157, (byte) 23, (byte) 195, (byte) 64, (byte) 114, (byte) 143, (byte) 127, (byte) 135, (byte) 216, (byte) 154, (byte) 24, (byte) 216, (byte) 252, (byte) 171, (byte) 103, (byte) 173, (byte) 132, (byte) 89, (byte) 12, (byte) 46, (byte) 207, (byte) 117, (byte) 147, (byte) 57, (byte) 54, (byte) 60, (byte) 7, (byte) 3, (byte) 77, (byte) 111, (byte) 96, (byte) 111, (byte) 158, (byte) 33, (byte) 224, (byte) 84, (byte) 86, (byte) 202, (byte) 229, (byte) 233, (byte) 161 }; final byte[] e = { 1, 0, 1 }; final byte[] d = { 18, (byte) 174, (byte) 113, (byte) 164, (byte) 105, (byte) 205, (byte) 10, (byte) 43, (byte) 195, (byte) 126, (byte) 82, (byte) 108, (byte) 69, (byte) 0, (byte) 87, (byte) 31, (byte) 29, (byte) 97, (byte) 117, (byte) 29, (byte) 100, (byte) 233, (byte) 73, (byte) 112, (byte) 123, (byte) 98, (byte) 89, (byte) 15, (byte) 157, (byte) 11, (byte) 165, (byte) 124, (byte) 150, (byte) 60, (byte) 64, (byte) 30, (byte) 63, (byte) 207, (byte) 47, (byte) 44, (byte) 211, (byte) 189, (byte) 236, (byte) 136, (byte) 229, (byte) 3, (byte) 191, (byte) 198, (byte) 67, (byte) 155, (byte) 11, (byte) 40, (byte) 200, (byte) 47, (byte) 125, (byte) 55, (byte) 151, (byte) 103, (byte) 31, (byte) 82, (byte) 19, (byte) 238, (byte) 216, (byte) 193, (byte) 90, (byte) 37, (byte) 216, (byte) 213, (byte) 206, (byte) 160, (byte) 2, (byte) 94, (byte) 227, (byte) 171, (byte) 46, (byte) 139, (byte) 127, (byte) 121, (byte) 33, (byte) 111, (byte) 198, (byte) 59, (byte) 234, (byte) 86, (byte) 39, (byte) 83, (byte) 180, (byte) 6, (byte) 68, (byte) 198, (byte) 161, (byte) 81, (byte) 39, (byte) 217, (byte) 178, (byte) 149, (byte) 69, (byte) 64, (byte) 160, (byte) 187, (byte) 225, (byte) 163, (byte) 5, (byte) 86, (byte) 152, (byte) 45, (byte) 78, (byte) 159, (byte) 222, (byte) 95, (byte) 100, (byte) 37, (byte) 241, (byte) 77, (byte) 75, (byte) 113, (byte) 52, (byte) 65, (byte) 181, (byte) 93, (byte) 199, (byte) 59, (byte) 155, (byte) 74, (byte) 237, (byte) 204, (byte) 146, (byte) 172, (byte) 227, (byte) 146, (byte) 126, (byte) 55, (byte) 245, (byte) 125, (byte) 12, (byte) 253, (byte) 94, (byte) 117, (byte) 129, (byte) 250, (byte) 81, (byte) 44, (byte) 143, (byte) 73, (byte) 97, (byte) 169, (byte) 235, (byte) 11, (byte) 128, (byte) 248, (byte) 168, (byte) 7, (byte) 70, (byte) 114, (byte) 138, (byte) 85, (byte) 255, (byte) 70, (byte) 71, (byte) 31, (byte) 52, (byte) 37, (byte) 6, (byte) 59, (byte) 157, (byte) 83, (byte) 100, (byte) 47, (byte) 94, (byte) 222, (byte) 30, (byte) 132, (byte) 214, (byte) 19, (byte) 8, (byte) 26, (byte) 250, (byte) 92, (byte) 34, (byte) 208, (byte) 81, (byte) 40, (byte) 91, (byte) 214, (byte) 59, (byte) 148, (byte) 59, (byte) 86, (byte) 93, (byte) 137, (byte) 138, (byte) 5, (byte) 104, (byte) 84, (byte) 19, (byte) 229, (byte) 60, (byte) 60, (byte) 108, (byte) 101, (byte) 37, (byte) 255, (byte) 31, (byte) 227, (byte) 78, (byte) 61, (byte) 220, (byte) 112, (byte) 240, (byte) 213, (byte) 100, (byte) 80, (byte) 253, (byte) 164, (byte) 139, (byte) 161, (byte) 46, (byte) 16, (byte) 78, (byte) 157, (byte) 235, (byte) 159, (byte) 184, (byte) 24, (byte) 129, (byte) 225, (byte) 196, (byte) 189, (byte) 242, (byte) 93, (byte) 146, (byte) 71, (byte) 244, (byte) 80, (byte) 200, (byte) 101, (byte) 146, (byte) 121, (byte) 104, (byte) 231, (byte) 115, (byte) 52, (byte) 244, (byte) 65, (byte) 79, (byte) 117, (byte) 167, (byte) 80, (byte) 225, (byte) 57, (byte) 84, (byte) 110, (byte) 58, (byte) 138, (byte) 115, (byte) 157 }; BigInteger N = new BigInteger(1, n); BigInteger E = new BigInteger(1, e); BigInteger D = new BigInteger(1, d); String accessToken = "eyJhbGciOiJSUzI1NiJ9.eyJpc3MiOiJqb2UiLA0KICJleHAiOjEzMDA4MTkzODAsDQogImh0dHA6Ly9leGFtcGxlLmNvbS9pc19yb290Ijp0cnVlfQ.cC4hiUPoj9Eetdgtv3hF80EGrhuB__dzERat0XF9g2VtQgr9PJbu3XOiZj5RZmh7AAuHIm4Bh-0Qc_lF5YKt_O8W2Fp5jujGbds9uJdbF9CUAr7t1dnZcAcQjbKBYNX4BAynRFdiuB--f_nZLgrnbyTyWzO75vRK5h6xBArLIARNPvkSjtQBMHlb1L07Qe7K0GarZRmB_eSN9383LcOLn6_dO--xi12jzDwusC-eOkHWEsqtFZESc6BfI7noOPqvhJ1phCnvWh6IeYI2w9QOYEUipUTI8np6LbgGY9Fs98rqVt5AXLIhWkWywlVmtVrBp0igcN_IoypGlUPQGe77Rw"; JWS jws = new JWSReader().read(accessToken); SignatureMethod signatureMethod = new SignatureMethodRSAImpl("RS256"); KeyFactory keyFactory = KeyFactory.getInstance("RSA"); RSAPublicKeySpec pubKeySpec = new RSAPublicKeySpec(N, E); RSAPublicKey rsaPublicKey = (RSAPublicKey) keyFactory.generatePublic(pubKeySpec); Assert.assertTrue(jws.validate(signatureMethod, new PublicKey(rsaPublicKey))); }
public <SK extends SigningKey, VK extends VerifyingKey> boolean validate(SignatureMethod<SK, VK> method, VK verifyingKey) { if (!acceptAlgorithm(method)) { throw new IllegalArgumentException("Impossible to verify current JWS signature with algorithm '" + method.getAlgorithm() + "', JWS header specifies message has been signed with '" + header.getAlgorithm() + "' algorithm."); } if (verifyingKey == null) { throw new IllegalArgumentException("A verifying key is required in order to verify the signature."); } if (payload == null) { throw new IllegalStateException("JWS token must have a payload."); } if (signature == null) { throw new IllegalStateException("JWS token must have a signature to be verified."); } if (rawString == null) { return method.verify(signature, TokenDecoder.base64Encode(new JWSHeaderWriter().write(header)), TokenDecoder.base64Encode(payload), verifyingKey); } else { String jwt[] = rawString.split("\\."); return method.verify(jwt[2], jwt[0], jwt[1], verifyingKey); } }
JWS { public <SK extends SigningKey, VK extends VerifyingKey> boolean validate(SignatureMethod<SK, VK> method, VK verifyingKey) { if (!acceptAlgorithm(method)) { throw new IllegalArgumentException("Impossible to verify current JWS signature with algorithm '" + method.getAlgorithm() + "', JWS header specifies message has been signed with '" + header.getAlgorithm() + "' algorithm."); } if (verifyingKey == null) { throw new IllegalArgumentException("A verifying key is required in order to verify the signature."); } if (payload == null) { throw new IllegalStateException("JWS token must have a payload."); } if (signature == null) { throw new IllegalStateException("JWS token must have a signature to be verified."); } if (rawString == null) { return method.verify(signature, TokenDecoder.base64Encode(new JWSHeaderWriter().write(header)), TokenDecoder.base64Encode(payload), verifyingKey); } else { String jwt[] = rawString.split("\\."); return method.verify(jwt[2], jwt[0], jwt[1], verifyingKey); } } }
JWS { public <SK extends SigningKey, VK extends VerifyingKey> boolean validate(SignatureMethod<SK, VK> method, VK verifyingKey) { if (!acceptAlgorithm(method)) { throw new IllegalArgumentException("Impossible to verify current JWS signature with algorithm '" + method.getAlgorithm() + "', JWS header specifies message has been signed with '" + header.getAlgorithm() + "' algorithm."); } if (verifyingKey == null) { throw new IllegalArgumentException("A verifying key is required in order to verify the signature."); } if (payload == null) { throw new IllegalStateException("JWS token must have a payload."); } if (signature == null) { throw new IllegalStateException("JWS token must have a signature to be verified."); } if (rawString == null) { return method.verify(signature, TokenDecoder.base64Encode(new JWSHeaderWriter().write(header)), TokenDecoder.base64Encode(payload), verifyingKey); } else { String jwt[] = rawString.split("\\."); return method.verify(jwt[2], jwt[0], jwt[1], verifyingKey); } } JWS(Header header, String payload, String signature);   JWS(String rawString, Header header, String payload, String signature); }
JWS { public <SK extends SigningKey, VK extends VerifyingKey> boolean validate(SignatureMethod<SK, VK> method, VK verifyingKey) { if (!acceptAlgorithm(method)) { throw new IllegalArgumentException("Impossible to verify current JWS signature with algorithm '" + method.getAlgorithm() + "', JWS header specifies message has been signed with '" + header.getAlgorithm() + "' algorithm."); } if (verifyingKey == null) { throw new IllegalArgumentException("A verifying key is required in order to verify the signature."); } if (payload == null) { throw new IllegalStateException("JWS token must have a payload."); } if (signature == null) { throw new IllegalStateException("JWS token must have a signature to be verified."); } if (rawString == null) { return method.verify(signature, TokenDecoder.base64Encode(new JWSHeaderWriter().write(header)), TokenDecoder.base64Encode(payload), verifyingKey); } else { String jwt[] = rawString.split("\\."); return method.verify(jwt[2], jwt[0], jwt[1], verifyingKey); } } JWS(Header header, String payload, String signature);   JWS(String rawString, Header header, String payload, String signature); Header getHeader(); String getPayload(); String getSignature(); boolean acceptAlgorithm(SignatureMethod<SK, VK> method); boolean validate(SignatureMethod<SK, VK> method,
                                                                             VK verifyingKey); }
JWS { public <SK extends SigningKey, VK extends VerifyingKey> boolean validate(SignatureMethod<SK, VK> method, VK verifyingKey) { if (!acceptAlgorithm(method)) { throw new IllegalArgumentException("Impossible to verify current JWS signature with algorithm '" + method.getAlgorithm() + "', JWS header specifies message has been signed with '" + header.getAlgorithm() + "' algorithm."); } if (verifyingKey == null) { throw new IllegalArgumentException("A verifying key is required in order to verify the signature."); } if (payload == null) { throw new IllegalStateException("JWS token must have a payload."); } if (signature == null) { throw new IllegalStateException("JWS token must have a signature to be verified."); } if (rawString == null) { return method.verify(signature, TokenDecoder.base64Encode(new JWSHeaderWriter().write(header)), TokenDecoder.base64Encode(payload), verifyingKey); } else { String jwt[] = rawString.split("\\."); return method.verify(jwt[2], jwt[0], jwt[1], verifyingKey); } } JWS(Header header, String payload, String signature);   JWS(String rawString, Header header, String payload, String signature); Header getHeader(); String getPayload(); String getSignature(); boolean acceptAlgorithm(SignatureMethod<SK, VK> method); boolean validate(SignatureMethod<SK, VK> method,
                                                                             VK verifyingKey);  }