49 lines
1.5 KiB
Python
49 lines
1.5 KiB
Python
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# -*- coding: utf-8 -*-
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from enigmail import *
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import getpass, sys, os
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# RECUPERATION DU CHEMIN ABSOLU
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path = os.path.abspath( os.path.dirname(sys.argv[0]) )
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# OUVERTURE ET LECTURE DU FICHIER
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inFile = open(path + '/../bucket-file', 'r');
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m = inFile.read().decode('utf-8');
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inFile.close();
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# DEFINITION DE L'ALPHABET
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SIGMA = 'ABCDEFGHIJKLMNOPQRSTUVWXYZ'; # maj
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SIGMA += 'abcdefghijklmnopqrstuvwxyz'; # min
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SIGMA += '&=+^~@%,.?!:;[](){}-_#$*/ \\"\'\n'; # ponctuation + retour charriot
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SIGMA += '0123456789'; # digit
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SIGMA += 'éèêàùç'; # accents
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SIGMA = SIGMA.decode('utf-8');
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# ALPHABET FORMATE EN LISTE
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SIGMA = list(SIGMA);
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# CHOIX DE LA CLE
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userkey = int( raw_input('Cle (hex ou int): '), 0);
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# CALCUL de LEVEL en fonction de la clé (LEVEL = nombre de rotors)
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LEVEL = calcLevel(userkey, SIGMA);
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# DECOMPOSITION DE LA CLE PRIMAIRE EN CLES SECONDAIRES
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KEY = decomposeKey(userkey, len(SIGMA), LEVEL);
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# CREATION DES ROTORS EN FONCTION DES CLES SECONDAIRES
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ROTOR = [];
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ROTOR.append( [] );
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# on cree les rotors grace a SIGMA et aux cles recuperees
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for i in range(0, LEVEL):
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ROTOR.append( shuffle( SIGMA, KEY[i]) ); # on creer le rotor et le melange suivant la cle
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ROTOR[0].append( ROTOR[i+1][0] ); # on enregistre la l&ettre en premiere position dans la premiere entree du rotor
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M = decodeStr(m, SIGMA, ROTOR); # DECODAGE DU MESSAGE
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# ECRITURE FICHIER
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outFile = open(path + '/../bucket-file', 'w');
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outFile.write( M.encode('utf-8') );
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outFile.close();
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