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29 lines
881 B
Python
29 lines
881 B
Python
import os, hashlib, struct, subprocess, fnmatch, shutil, urllib, array
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import wx
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from Crypto.Cipher import AES
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import png
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from Struct import Struct
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def align(x, boundary):
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return x + (x % boundary)
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class Crypto:
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"""This is a Cryptographic/hash class used to abstract away things (to make changes easier)"""
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def __init__(self):
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return
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def DecryptContent(self, titlekey, idx, data):
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"""Decrypts a Content."""
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iv = struct.pack(">H", idx) + "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
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if(len(data) % 16 != 0):
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return AES.new(titlekey, AES.MODE_CBC, iv).decrypt(data + ("\x00" * (16 - (len(data) % 16))))[:len(data)]
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else:
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return AES.new(titlekey, AES.MODE_CBC, iv).decrypt(data)
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def ValidateHash(self, data, hash):
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"""Validates a hash. (BROKEN)"""
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return 1 #hack
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# if(hashlib.sha1(data).digest() == hash):
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# return 1
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# else:
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# return 0
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