public static SecretKey getLocalSecretKey() {
        return new SecretKeySpec(LOCAL_KEY_CACHE, DefaultValueEncryptor.KEY_ALGORITHM);
    }
View the default SecretKey through DBeaver source code
chat2db-server/chat2db-server-web/chat2db-server-web-api/src/main/java/ai/chat2db/server/web/api/controller/ncx/dbeaver/DefaultValueEncryptor.java