CRYPTAGE DE MOTS/PHRASES.

# -*- coding: cp1252 -*-
from Tkinter import *


#--------------fonction qui crypte--------
def crypt():
    mot = entree.get()
    cle = entree1.get()
    alph = ['a','b','c','d','e','f','g','h','i','j','k','l','m','n','o','p','q','r','s','t','u','v','w','x','y','z',' ','A','B','C','D','E','F','G','H','I','J','K','L','M','N','O','P','Q','R','S','T','U','V','W','X','Y','Z']
    c = ""
    i,a = 0,0
    b,o = 0,0
    while len(c) < len(mot):
        if mot[i] in alph:
            if mot[i] == alph[a]:
                b = int(cle[o])
                c = c + alph[(a+b)%53]
                i += 1
                o = (o+1)%len(cle)
            a = (a+1)%53
        else:
            c = c + "*"
            i += 1
    crypter.set(c)

#-------------fonction qui decrypt---------
def decrypt():
    mot = entre.get()
    cle = entre1.get()
    alph = ['a','b','c','d','e','f','g','h','i','j','k','l','m','n','o','p','q','r','s','t','u','v','w','x','y','z',' ','A','B','C','D','E','F','G','H','I','J','K','L','M','N','O','P','Q','R','S','T','U','V','W','X','Y','Z']
    c = ""
    i,a = 0,0
    b,o = 0,0
    while len(c) < len(mot):
        if mot[i] in alph:
            if mot[i] == alph[a]:
                b = int(cle[o])
                c = c + alph[(a-b)%53]
                i += 1
                o = (o+1)%len(cle)
            a = (a+1)%53
        else:
            c = c + "*"
            i += 1
    crypter1.set(c)

#---- Prog Main ----
fen = Tk()
fen.title("By Bouceka")

bou2 = Button(fen,text ='Quitter',fg ='red',command =fen.quit)
bou2.grid(row =8,columnspan =2)

#---- Cryptage -----
Label(fen,text='.: CRYPTAGE :.',fg ='black').grid(row =0,columnspan =2)
Label(fen,text='Texte a crypter : ',fg ='blue').grid(row =1,sticky =W)
Label(fen,text='Clé de cryptage : ',fg ='blue').grid(row =2,sticky =W)

crypter = StringVar()
crypt1 = Entry(fen,textvariable = crypter)
crypt1.grid(row =3,column =1)
crypter.set("Texte crypté")

entree = Entry(fen,fg='brown')
entree.grid(row =1,column =1)

mot = entree.get()

entree1 = Entry(fen,fg ='brown')
entree1.grid(row =2,column =1)

bou1 = Button(fen,text ='Crypter',fg ='blue',command =crypt)
bou1.grid(row = 3)

#---- DECRYPTAGE ----
Label(fen,text ='.: DECRYPTAGE :.',fg ='black').grid(row =4,columnspan =2)

Label(fen,text ='Texte a décrypter : ',fg ='blue').grid(row =5,sticky =W)
Label(fen,text ='Clé de décryptage : ',fg ='blue').grid(row =6,sticky =W)

entre = Entry(fen,fg ='brown')
entre.grid(row =5,column =1)

entre1 = Entry(fen,fg ='brown')
entre1.grid(row =6,column =1)

crypter1 = StringVar()
crypt2 = Entry(fen,textvariable = crypter1)
crypt2.grid(row =7,column =1)
crypter1.set("Texte décrypté")



bou2 = Button(fen,text ='Décrypter',fg ='blue',command =decrypt)
bou2.grid(row =7)

fen.mainloop()
fen.destroy()