2012-12-19 19:48:11 +06:00
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#!/usr/bin/env python
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# -*- coding: utf-8 -*-
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2011-01-17 13:24:53 +06:00
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from __future__ import with_statement
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2012-12-19 19:48:11 +06:00
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# ignoblekeygen.pyw, version 2.5
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# Copyright © 2009-2010 by i♥cabbages
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2011-01-17 13:24:53 +06:00
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2012-12-19 19:48:11 +06:00
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# Released under the terms of the GNU General Public Licence, version 3
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# <http://www.gnu.org/licenses/>
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# Modified 2010–2012 by some_updates, DiapDealer and Apprentice Alf
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# Windows users: Before running this program, you must first install Python 2.6
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# from <http://www.python.org/download/> and PyCrypto from
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# <http://www.voidspace.org.uk/python/modules.shtml#pycrypto> (make sure to
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# install the version for Python 2.6). Save this script file as
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# ignoblekeygen.pyw and double-click on it to run it.
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#
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# Mac OS X users: Save this script file as ignoblekeygen.pyw. You can run this
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# program from the command line (pythonw ignoblekeygen.pyw) or by double-clicking
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# it when it has been associated with PythonLauncher.
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2011-01-17 13:24:53 +06:00
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# Revision history:
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# 1 - Initial release
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# 2 - Add OS X support by using OpenSSL when available (taken/modified from ineptepub v5)
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# 2.1 - Allow Windows versions of libcrypto to be found
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# 2.2 - On Windows try PyCrypto first and then OpenSSL next
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# 2.3 - Modify interface to allow use of import
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2012-11-07 19:14:25 +06:00
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# 2.4 - Improvements to UI and now works in plugins
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2012-12-19 19:48:11 +06:00
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# 2.5 - Additional improvement for unicode and plugin support
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2011-01-17 13:24:53 +06:00
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"""
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Generate Barnes & Noble EPUB user key from name and credit card number.
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"""
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__license__ = 'GPL v3'
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2012-12-19 19:48:11 +06:00
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__version__ = "2.5"
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2011-01-17 13:24:53 +06:00
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import sys
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import os
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import hashlib
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2012-12-19 19:48:11 +06:00
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# Wrap a stream so that output gets flushed immediately
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# and also make sure that any unicode strings get
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# encoded using "replace" before writing them.
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class SafeUnbuffered:
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def __init__(self, stream):
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self.stream = stream
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self.encoding = stream.encoding
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if self.encoding == None:
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self.encoding = "utf-8"
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def write(self, data):
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if isinstance(data,unicode):
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data = data.encode(self.encoding,"replace")
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self.stream.write(data)
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self.stream.flush()
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def __getattr__(self, attr):
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return getattr(self.stream, attr)
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iswindows = sys.platform.startswith('win')
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isosx = sys.platform.startswith('darwin')
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def unicode_argv():
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if iswindows:
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# Uses shell32.GetCommandLineArgvW to get sys.argv as a list of Unicode
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# strings.
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# Versions 2.x of Python don't support Unicode in sys.argv on
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# Windows, with the underlying Windows API instead replacing multi-byte
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# characters with '?'.
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from ctypes import POINTER, byref, cdll, c_int, windll
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from ctypes.wintypes import LPCWSTR, LPWSTR
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GetCommandLineW = cdll.kernel32.GetCommandLineW
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GetCommandLineW.argtypes = []
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GetCommandLineW.restype = LPCWSTR
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CommandLineToArgvW = windll.shell32.CommandLineToArgvW
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CommandLineToArgvW.argtypes = [LPCWSTR, POINTER(c_int)]
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CommandLineToArgvW.restype = POINTER(LPWSTR)
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cmd = GetCommandLineW()
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argc = c_int(0)
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argv = CommandLineToArgvW(cmd, byref(argc))
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if argc.value > 0:
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# Remove Python executable and commands if present
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start = argc.value - len(sys.argv)
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return [argv[i] for i in
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xrange(start, argc.value)]
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# if we don't have any arguments at all, just pass back script name
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# this should never happen
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return [u"ignoblekeygen.py"]
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else:
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argvencoding = sys.stdin.encoding
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if argvencoding == None:
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argvencoding = "utf-8"
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return [arg if (type(arg) == unicode) else unicode(arg,argvencoding) for arg in sys.argv]
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2011-01-17 13:24:53 +06:00
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class IGNOBLEError(Exception):
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pass
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def _load_crypto_libcrypto():
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from ctypes import CDLL, POINTER, c_void_p, c_char_p, c_int, c_long, \
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Structure, c_ulong, create_string_buffer, cast
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from ctypes.util import find_library
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2012-12-19 19:48:11 +06:00
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if iswindows:
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2011-01-17 13:24:53 +06:00
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libcrypto = find_library('libeay32')
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else:
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libcrypto = find_library('crypto')
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2012-12-19 19:48:11 +06:00
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2011-01-17 13:24:53 +06:00
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if libcrypto is None:
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raise IGNOBLEError('libcrypto not found')
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libcrypto = CDLL(libcrypto)
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AES_MAXNR = 14
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2012-03-07 00:24:28 +06:00
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2011-01-17 13:24:53 +06:00
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c_char_pp = POINTER(c_char_p)
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c_int_p = POINTER(c_int)
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class AES_KEY(Structure):
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_fields_ = [('rd_key', c_long * (4 * (AES_MAXNR + 1))),
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('rounds', c_int)]
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AES_KEY_p = POINTER(AES_KEY)
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2012-03-07 00:24:28 +06:00
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2011-01-17 13:24:53 +06:00
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def F(restype, name, argtypes):
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func = getattr(libcrypto, name)
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func.restype = restype
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func.argtypes = argtypes
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return func
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2012-03-07 00:24:28 +06:00
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2011-01-17 13:24:53 +06:00
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AES_set_encrypt_key = F(c_int, 'AES_set_encrypt_key',
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[c_char_p, c_int, AES_KEY_p])
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AES_cbc_encrypt = F(None, 'AES_cbc_encrypt',
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[c_char_p, c_char_p, c_ulong, AES_KEY_p, c_char_p,
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c_int])
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2012-12-19 19:48:11 +06:00
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2011-01-17 13:24:53 +06:00
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class AES(object):
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2012-03-07 00:24:28 +06:00
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def __init__(self, userkey, iv):
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2011-01-17 13:24:53 +06:00
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self._blocksize = len(userkey)
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self._iv = iv
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key = self._key = AES_KEY()
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rv = AES_set_encrypt_key(userkey, len(userkey) * 8, key)
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if rv < 0:
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raise IGNOBLEError('Failed to initialize AES Encrypt key')
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2012-03-07 00:24:28 +06:00
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def encrypt(self, data):
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2011-01-17 13:24:53 +06:00
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out = create_string_buffer(len(data))
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rv = AES_cbc_encrypt(data, out, len(data), self._key, self._iv, 1)
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if rv == 0:
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raise IGNOBLEError('AES encryption failed')
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return out.raw
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return AES
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def _load_crypto_pycrypto():
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from Crypto.Cipher import AES as _AES
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class AES(object):
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def __init__(self, key, iv):
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self._aes = _AES.new(key, _AES.MODE_CBC, iv)
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def encrypt(self, data):
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return self._aes.encrypt(data)
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return AES
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def _load_crypto():
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AES = None
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cryptolist = (_load_crypto_libcrypto, _load_crypto_pycrypto)
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if sys.platform.startswith('win'):
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cryptolist = (_load_crypto_pycrypto, _load_crypto_libcrypto)
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for loader in cryptolist:
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try:
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AES = loader()
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break
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except (ImportError, IGNOBLEError):
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pass
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return AES
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AES = _load_crypto()
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def normalize_name(name):
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return ''.join(x for x in name.lower() if x != ' ')
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2012-12-19 19:48:11 +06:00
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def generate_key(name, ccn):
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2012-11-07 19:14:25 +06:00
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# remove spaces and case from name and CC numbers.
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2012-12-19 19:48:11 +06:00
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if type(name)==unicode:
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name = name.encode('utf-8')
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if type(ccn)==unicode:
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ccn = ccn.encode('utf-8')
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2011-01-17 13:24:53 +06:00
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name = normalize_name(name) + '\x00'
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2012-11-07 19:14:25 +06:00
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ccn = normalize_name(ccn) + '\x00'
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2012-12-19 19:48:11 +06:00
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2011-01-17 13:24:53 +06:00
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name_sha = hashlib.sha1(name).digest()[:16]
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ccn_sha = hashlib.sha1(ccn).digest()[:16]
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both_sha = hashlib.sha1(name + ccn).digest()
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aes = AES(ccn_sha, name_sha)
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crypt = aes.encrypt(both_sha + ('\x0c' * 0x0c))
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userkey = hashlib.sha1(crypt).digest()
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2012-12-19 19:48:11 +06:00
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return userkey.encode('base64')
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2011-01-17 13:24:53 +06:00
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2012-12-19 19:48:11 +06:00
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def cli_main(argv=unicode_argv()):
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2011-01-17 13:24:53 +06:00
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progname = os.path.basename(argv[0])
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if AES is None:
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print "%s: This script requires OpenSSL or PyCrypto, which must be installed " \
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"separately. Read the top-of-script comment for details." % \
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(progname,)
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return 1
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if len(argv) != 4:
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2012-12-19 19:48:11 +06:00
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print u"usage: {0} <Name> <CC#> <keyfileout.b64>".format(progname)
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2011-01-17 13:24:53 +06:00
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return 1
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2012-12-19 19:48:11 +06:00
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name, ccn, keypath = argv[1:]
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userkey = generate_key(name, ccn)
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open(keypath,'wb').write(userkey)
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2011-01-17 13:24:53 +06:00
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return 0
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def gui_main():
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2012-11-07 19:14:25 +06:00
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import Tkinter
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import Tkconstants
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import tkFileDialog
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import tkMessageBox
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class DecryptionDialog(Tkinter.Frame):
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def __init__(self, root):
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Tkinter.Frame.__init__(self, root, border=5)
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2012-12-19 19:48:11 +06:00
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self.status = Tkinter.Label(self, text=u"Enter parameters")
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2012-11-07 19:14:25 +06:00
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self.status.pack(fill=Tkconstants.X, expand=1)
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body = Tkinter.Frame(self)
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body.pack(fill=Tkconstants.X, expand=1)
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sticky = Tkconstants.E + Tkconstants.W
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body.grid_columnconfigure(1, weight=2)
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2012-12-19 19:48:11 +06:00
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Tkinter.Label(body, text=u"Account Name").grid(row=0)
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2012-11-07 19:14:25 +06:00
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self.name = Tkinter.Entry(body, width=40)
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self.name.grid(row=0, column=1, sticky=sticky)
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2012-12-19 19:48:11 +06:00
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Tkinter.Label(body, text=u"CC#").grid(row=1)
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2012-11-07 19:14:25 +06:00
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self.ccn = Tkinter.Entry(body, width=40)
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self.ccn.grid(row=1, column=1, sticky=sticky)
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2012-12-19 19:48:11 +06:00
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Tkinter.Label(body, text=u"Output file").grid(row=2)
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2012-11-07 19:14:25 +06:00
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self.keypath = Tkinter.Entry(body, width=40)
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self.keypath.grid(row=2, column=1, sticky=sticky)
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2012-12-19 19:48:11 +06:00
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self.keypath.insert(2, u"bnepubkey.b64")
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button = Tkinter.Button(body, text=u"...", command=self.get_keypath)
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2012-11-07 19:14:25 +06:00
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button.grid(row=2, column=2)
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buttons = Tkinter.Frame(self)
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buttons.pack()
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botton = Tkinter.Button(
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2012-12-19 19:48:11 +06:00
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buttons, text=u"Generate", width=10, command=self.generate)
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2012-11-07 19:14:25 +06:00
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botton.pack(side=Tkconstants.LEFT)
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Tkinter.Frame(buttons, width=10).pack(side=Tkconstants.LEFT)
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button = Tkinter.Button(
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2012-12-19 19:48:11 +06:00
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buttons, text=u"Quit", width=10, command=self.quit)
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2012-11-07 19:14:25 +06:00
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button.pack(side=Tkconstants.RIGHT)
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2012-12-19 19:48:11 +06:00
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2012-11-07 19:14:25 +06:00
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def get_keypath(self):
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keypath = tkFileDialog.asksaveasfilename(
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2012-12-19 19:48:11 +06:00
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parent=None, title=u"Select B&N ePub key file to produce",
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defaultextension=u".b64",
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2012-11-07 19:14:25 +06:00
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filetypes=[('base64-encoded files', '.b64'),
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('All Files', '.*')])
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if keypath:
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keypath = os.path.normpath(keypath)
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self.keypath.delete(0, Tkconstants.END)
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self.keypath.insert(0, keypath)
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return
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2012-12-19 19:48:11 +06:00
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2012-11-07 19:14:25 +06:00
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def generate(self):
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name = self.name.get()
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ccn = self.ccn.get()
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keypath = self.keypath.get()
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if not name:
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2012-12-19 19:48:11 +06:00
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self.status['text'] = u"Name not specified"
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2012-11-07 19:14:25 +06:00
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return
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if not ccn:
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2012-12-19 19:48:11 +06:00
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self.status['text'] = u"Credit card number not specified"
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2012-11-07 19:14:25 +06:00
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return
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if not keypath:
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2012-12-19 19:48:11 +06:00
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self.status['text'] = u"Output keyfile path not specified"
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2012-11-07 19:14:25 +06:00
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return
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2012-12-19 19:48:11 +06:00
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self.status['text'] = u"Generating..."
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2012-11-07 19:14:25 +06:00
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try:
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2012-12-19 19:48:11 +06:00
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userkey = generate_key(name, ccn)
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2012-11-07 19:14:25 +06:00
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except Exception, e:
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2012-12-19 19:48:11 +06:00
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self.status['text'] = u"Error: (0}".format(e.args[0])
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2012-11-07 19:14:25 +06:00
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return
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2012-12-19 19:48:11 +06:00
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open(keypath,'wb').write(userkey)
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self.status['text'] = u"Keyfile successfully generated"
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2012-11-07 19:14:25 +06:00
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2011-01-17 13:24:53 +06:00
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root = Tkinter.Tk()
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if AES is None:
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root.withdraw()
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tkMessageBox.showerror(
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"Ignoble EPUB Keyfile Generator",
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"This script requires OpenSSL or PyCrypto, which must be installed "
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"separately. Read the top-of-script comment for details.")
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return 1
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2012-12-19 19:48:11 +06:00
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root.title(u"Barnes & Noble ePub Keyfile Generator v.{0}".format(__version__))
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2011-01-17 13:24:53 +06:00
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root.resizable(True, False)
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root.minsize(300, 0)
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DecryptionDialog(root).pack(fill=Tkconstants.X, expand=1)
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root.mainloop()
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return 0
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if __name__ == '__main__':
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if len(sys.argv) > 1:
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2012-12-19 19:48:11 +06:00
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sys.stdout=SafeUnbuffered(sys.stdout)
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sys.stderr=SafeUnbuffered(sys.stderr)
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2011-01-17 13:24:53 +06:00
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sys.exit(cli_main())
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sys.exit(gui_main())
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