@Override public UserSession startSession(Credentials credentials) throws JasDBStorageException { User user = userManager.authenticate(credentials); String sessionId = UUID.randomUUID().toString(); String token = UUID.randomUUID().toString(); CryptoEngine userEncryptionEngine = CryptoFactory.getEngine(user.getEncryptionEngine()); String encryptedContentKey = user.getEncryptedContentKey(); String contentKey = userEncryptionEngine.decrypt(user.getPasswordSalt(), credentials.getPassword(), encryptedContentKey); encryptedContentKey = userEncryptionEngine.encrypt(user.getPasswordSalt(), token, contentKey); UserSession session = new UserSessionImpl(sessionId, token, encryptedContentKey, user); userManager.authorize(session, "/", AccessMode.CONNECT); secureUserSessionMap.put(sessionId, new SecureUserSession(session)); return session; }