List of usage examples for org.bouncycastle.util.io.pem PemWriter writeObject
public void writeObject(PemObjectGenerator objGen) throws IOException
From source file:ai.susi.server.api.aaa.PublicKeyRegistrationService.java
License:Open Source License
@Override public JSONObject serviceImpl(Query post, HttpServletResponse response, Authorization authorization, final JsonObjectWithDefault permissions) throws APIException { if (post.get("register", null) == null && !post.get("create", false) && !post.get("getParameters", false)) { throw new APIException(400, "Accepted parameters: 'register', 'create' or 'getParameters'"); }/* w ww . ja v a2 s . c o m*/ JSONObject result = new JSONObject(); // return algorithm parameters and users for whom we are allowed to register a key if (post.get("getParameters", false)) { result.put("self", permissions.getBoolean("self", false)); result.put("users", permissions.getJSONObject("users")); result.put("userRoles", permissions.getJSONObject("userRoles")); JSONObject algorithms = new JSONObject(); JSONObject rsa = new JSONObject(); JSONArray keySizes = new JSONArray(); for (int i : allowedKeySizesRSA) { keySizes.put(i); } rsa.put("sizes", keySizes); rsa.put("defaultSize", defaultKeySizeRSA); algorithms.put("RSA", rsa); result.put("algorithms", algorithms); JSONArray formats = new JSONArray(); for (String format : allowedFormats) { formats.put(format); } result.put("formats", formats); return result; } // for which id? String id; if (post.get("id", null) != null) id = post.get("id", null); else id = authorization.getIdentity().getName(); // check if we are allowed register a key if (!id.equals(authorization.getIdentity().getName())) { // if we don't want to register the key for the current user // create Authentication to check if the user id is a registered user ClientCredential credential = new ClientCredential(ClientCredential.Type.passwd_login, id); Authentication authentication = new Authentication(credential, DAO.authentication); if (authentication.getIdentity() == null) { // check if identity is valid authentication.delete(); throw new APIException(400, "Bad request"); // do not leak if user exists or not } // check if the current user is allowed to create a key for the user in question boolean allowed = false; // check if the user in question is in 'users' if (permissions.getJSONObject("users", null).has(id) && permissions.getJSONObjectWithDefault("users", null).getBoolean(id, false)) { allowed = true; } else { // check if the user role of the user in question is in 'userRoles' Authorization auth = new Authorization(authentication.getIdentity(), DAO.authorization, DAO.userRoles); for (String key : permissions.getJSONObject("userRoles").keySet()) { if (key.equals(auth.getUserRole().getName()) && permissions.getJSONObject("userRoles").getBoolean(key)) { allowed = true; } } } if (!allowed) throw new APIException(400, "Bad request"); // do not leak if user exists or not } else { // if we want to register a key for this user, bad are not allowed to (for example anonymous users) if (!permissions.getBoolean("self", false)) throw new APIException(403, "You are not allowed to register a public key"); } // set algorithm. later, we maybe want to support other algorithms as well String algorithm = "RSA"; if (post.get("algorithm", null) != null) { algorithm = post.get("algorithm", null); } if (post.get("create", false)) { // create a new key pair on the server if (algorithm.equals("RSA")) { int keySize = 2048; if (post.get("key-size", null) != null) { int finalKeyLength = post.get("key-size", 0); if (!IntStream.of(allowedKeySizesRSA).anyMatch(x -> x == finalKeyLength)) { throw new APIException(400, "Invalid key size."); } keySize = finalKeyLength; } KeyPairGenerator keyGen; KeyPair keyPair; try { keyGen = KeyPairGenerator.getInstance(algorithm); keyGen.initialize(keySize); keyPair = keyGen.genKeyPair(); } catch (NoSuchAlgorithmException e) { throw new APIException(500, "Server error"); } registerKey(authorization.getIdentity(), keyPair.getPublic()); String pubkey_pem = null, privkey_pem = null; try { StringWriter writer = new StringWriter(); PemWriter pemWriter = new PemWriter(writer); pemWriter.writeObject(new PemObject("PUBLIC KEY", keyPair.getPublic().getEncoded())); pemWriter.flush(); pemWriter.close(); pubkey_pem = writer.toString(); } catch (IOException e) { } try { StringWriter writer = new StringWriter(); PemWriter pemWriter = new PemWriter(writer); pemWriter.writeObject(new PemObject("PRIVATE KEY", keyPair.getPrivate().getEncoded())); pemWriter.flush(); pemWriter.close(); privkey_pem = writer.toString(); } catch (IOException e) { } result.put("publickey_DER_BASE64", Base64.getEncoder().encodeToString(keyPair.getPublic().getEncoded())); result.put("privatekey_DER_BASE64", Base64.getEncoder().encodeToString(keyPair.getPrivate().getEncoded())); result.put("publickey_PEM", pubkey_pem); result.put("privatekey_PEM", privkey_pem); result.put("keyhash", IO.getKeyHash(keyPair.getPublic())); try { result.put("keyhash_urlsave", URLEncoder.encode(IO.getKeyHash(keyPair.getPublic()), "UTF-8")); } catch (UnsupportedEncodingException e) { } result.put("key-size", keySize); result.put("message", "Successfully created and registered key. Make sure to copy the private key, it won't be saved on the server"); return result; } throw new APIException(400, "Unsupported algorithm"); } else if (post.get("register", null) != null) { if (algorithm.equals("RSA")) { String type = post.get("type", null); if (type == null) type = "DER"; RSAPublicKey pub; String encodedKey; try { encodedKey = URLDecoder.decode(post.get("register", null), "UTF-8"); } catch (Throwable e) { throw new APIException(500, "Server error"); } Log.getLog().info("Key (" + type + "): " + encodedKey); if (type.equals("DER")) { try { X509EncodedKeySpec keySpec = new X509EncodedKeySpec(Base64.getDecoder().decode(encodedKey)); pub = (RSAPublicKey) KeyFactory.getInstance(algorithm).generatePublic(keySpec); } catch (Throwable e) { throw new APIException(400, "Public key not readable (DER)"); } } else if (type.equals("PEM")) { try { PemReader pemReader = new PemReader(new StringReader(encodedKey)); PemObject pem = pemReader.readPemObject(); X509EncodedKeySpec keySpec = new X509EncodedKeySpec(pem.getContent()); pub = (RSAPublicKey) KeyFactory.getInstance(algorithm).generatePublic(keySpec); } catch (Exception e) { throw new APIException(400, "Public key not readable (PEM)"); } } else { throw new APIException(400, "Invalid value for 'type'."); } // check key size (not really perfect yet) int keySize; int bitLength = pub.getModulus().bitLength(); if (bitLength <= 512) { keySize = 512; } else if (bitLength <= 1024) { keySize = 1024; } else if (bitLength <= 2048) { keySize = 2048; } else if (bitLength <= 4096) { keySize = 4096; } else { keySize = 8192; } if (!IntStream.of(allowedKeySizesRSA).anyMatch(x -> x == keySize)) { throw new APIException(400, "Invalid key length."); } registerKey(authorization.getIdentity(), pub); String pubkey_pem = null; try { StringWriter writer = new StringWriter(); PemWriter pemWriter = new PemWriter(writer); pemWriter.writeObject(new PemObject("PUBLIC KEY", pub.getEncoded())); pemWriter.flush(); pemWriter.close(); pubkey_pem = writer.toString(); } catch (IOException e) { } result.put("publickey_DER_BASE64", Base64.getEncoder().encodeToString(pub.getEncoded())); result.put("publickey_PEM", pubkey_pem); result.put("keyhash", IO.getKeyHash(pub)); try { result.put("keyhash_urlsave", URLEncoder.encode(IO.getKeyHash(pub), "UTF-8")); } catch (UnsupportedEncodingException e) { } result.put("message", "Successfully registered key."); return result; } throw new APIException(400, "Unsupported algorithm"); } throw new APIException(400, "Invalid parameter"); }
From source file:bft.BFTNode.java
private byte[] getSerializedCertificate(X509CertificateHolder certificate) throws IOException { PemObject pemObj = (new PemObject("", certificate.getEncoded())); StringWriter strWriter = new StringWriter(); PemWriter writer = new PemWriter(strWriter); writer.writeObject(pemObj); writer.close();/* w w w .j a v a2 s .c om*/ strWriter.close(); return strWriter.toString().getBytes(); }
From source file:bft.TestSignatures.java
private static void parseCertificate(String filename) throws IOException { BufferedReader br = new BufferedReader(new FileReader(filename)); PEMParser pp = new PEMParser(br); X509CertificateHolder certificate = (X509CertificateHolder) pp.readObject(); PemObject pemObj = (new PemObject("", certificate.getEncoded())); StringWriter strWriter = new StringWriter(); PemWriter writer = new PemWriter(strWriter); writer.writeObject(pemObj); writer.close();//from ww w . j a va 2s . c o m strWriter.close(); TestSignatures.serializedCert = strWriter.toString().getBytes(); }
From source file:bft.TestSignaturesZMQ.java
private static void parseCertificate(String filename) throws IOException { BufferedReader br = new BufferedReader(new FileReader(filename)); PEMParser pp = new PEMParser(br); X509CertificateHolder certificate = (X509CertificateHolder) pp.readObject(); PemObject pemObj = (new PemObject("", certificate.getEncoded())); StringWriter strWriter = new StringWriter(); PemWriter writer = new PemWriter(strWriter); writer.writeObject(pemObj); writer.close();/* w w w. jav a 2s . com*/ strWriter.close(); TestSignaturesZMQ.serializedCert = strWriter.toString().getBytes(); }
From source file:com.foilen.smalltools.crypt.bouncycastle.asymmetric.RSACrypt.java
License:Open Source License
@Override public void saveKeysPem(AsymmetricKeys keyPair, String fileName) { AssertTools.assertNotNull(keyPair, "The keypair needs to be set to save it"); AssertTools.assertNotNull(keyPair.getPrivateKey(), "The private key needs to be set to save it"); AssertTools.assertNotNull(keyPair.getPublicKey(), "The public key needs to be set to save it"); PemWriter pemWriter = null; try {/* ww w . j a v a2 s. c o m*/ pemWriter = new PemWriter(new FileWriter(fileName)); PemObjectGenerator pemObjectGenerator = new JcaMiscPEMGenerator( retrieveKeyDetails(keyPair).getJcaPrivateKey()); pemWriter.writeObject(pemObjectGenerator); pemObjectGenerator = new JcaMiscPEMGenerator(retrieveKeyDetails(keyPair).getJcaPublicKey()); pemWriter.writeObject(pemObjectGenerator); } catch (Exception e) { throw new SmallToolsException("Could not save keys", e); } finally { CloseableTools.close(pemWriter); } }
From source file:com.foilen.smalltools.crypt.bouncycastle.asymmetric.RSACrypt.java
License:Open Source License
@Override public void savePrivateKeyPem(AsymmetricKeys keyPair, Writer writer) { AssertTools.assertNotNull(keyPair, "The keypair needs to be set to save it"); AssertTools.assertNotNull(keyPair.getPrivateKey(), "The private key needs to be set to save it"); PemWriter pemWriter = null; try {/*from w w w. j a va2s.c o m*/ pemWriter = new PemWriter(writer); PemObjectGenerator pemObjectGenerator = new JcaMiscPEMGenerator( retrieveKeyDetails(keyPair).getJcaPrivateKey()); pemWriter.writeObject(pemObjectGenerator); } catch (Exception e) { throw new SmallToolsException("Could not save key", e); } finally { CloseableTools.close(pemWriter); } }
From source file:com.foilen.smalltools.crypt.bouncycastle.asymmetric.RSACrypt.java
License:Open Source License
@Override public void savePublicKeyPem(AsymmetricKeys keyPair, Writer writer) { AssertTools.assertNotNull(keyPair, "The public keys need to be set to save it"); AssertTools.assertNotNull(keyPair.getPublicKey(), "The public key needs to be set to save it"); PemWriter pemWriter = null; try {/*from w ww . j ava2 s . c o m*/ pemWriter = new PemWriter(writer); PemObjectGenerator pemObjectGenerator = new JcaMiscPEMGenerator( retrieveKeyDetails(keyPair).getJcaPublicKey()); pemWriter.writeObject(pemObjectGenerator); } catch (Exception e) { throw new SmallToolsException("Could not save key", e); } finally { CloseableTools.close(pemWriter); } }
From source file:com.foilen.smalltools.crypt.bouncycastle.cert.RSACertificate.java
License:Open Source License
/** * Save the certificate in a PEM writer. * * @param writer//from w ww. j av a2 s. co m * the writer. Will be closed at the end */ public void saveCertificatePem(Writer writer) { AssertTools.assertNotNull(certificateHolder, "The certificate is not set"); PemWriter pemWriter = null; try { pemWriter = new PemWriter(writer); PemObjectGenerator pemObjectGenerator = new MiscPEMGenerator(certificateHolder); pemWriter.writeObject(pemObjectGenerator); } catch (Exception e) { throw new SmallToolsException("Could not save cert", e); } finally { CloseableTools.close(pemWriter); } }
From source file:com.thoughtworks.go.security.Registration.java
License:Apache License
private String serialize(String type, byte[] data) { PemObject obj = new PemObject(type, data); StringWriter out = new StringWriter(); PemWriter writer = new PemWriter(out); try {//from w w w .java2 s . co m writer.writeObject(obj); } catch (IOException e) { throw bomb(e); } finally { IOUtils.closeQuietly(writer); } return out.toString(); }
From source file:com.thoughtworks.go.security.RegistrationJSONizer.java
License:Apache License
private static String serialize(String type, byte[] data) { PemObject obj = new PemObject(type, data); StringWriter out = new StringWriter(); PemWriter writer = new PemWriter(out); try {//w w w .j av a2 s . c o m writer.writeObject(obj); } catch (IOException e) { throw bomb(e); } finally { IOUtils.closeQuietly(writer); } return out.toString(); }