cifrado r92 - in trunk: . package/cifrado/codeurs

[bersace svn gnome org]

Author: bersace
Date: Sun Apr  6 18:03:40 2008
New Revision: 92
URL: http://svn.gnome.org/viewvc/cifrado?rev=92&view=rev

Log:
Inversion du chiffrage/DÃchiffrage.


Modified:
   trunk/ChangeLog
   trunk/package/cifrado/codeurs/roulement.py
   trunk/package/cifrado/codeurs/vigenere.py

Modified: trunk/package/cifrado/codeurs/roulement.py
==============================================================================
--- trunk/package/cifrado/codeurs/roulement.py	(original)
+++ trunk/package/cifrado/codeurs/roulement.py	Sun Apr  6 18:03:40 2008
@@ -32,7 +32,7 @@
                 else:
                     liste = self.letters["upper"]
                     
-                result+=liste[(liste.index(char) + self.decalage) % 26]
+                result+=liste[(liste.index(char) - self.decalage) % 26]
             else:
                 result+= char
             

Modified: trunk/package/cifrado/codeurs/vigenere.py
==============================================================================
--- trunk/package/cifrado/codeurs/vigenere.py	(original)
+++ trunk/package/cifrado/codeurs/vigenere.py	Sun Apr  6 18:03:40 2008
@@ -28,7 +28,7 @@
         for char in text:
             if (char.isalpha()):
                 casse = self.casse (char)
-                index = (self.letters[casse].index(char) + self.letters[self.casse(clef[i])].index(clef[i])) % 26
+                index = (self.letters[casse].index(char) - self.letters[self.casse(clef[i])].index(clef[i])) % 26
                 result+= self.letters[casse][index]
                 i = (i + 1) % len(clef)
             else: