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Türkçe Vigenere Şifreleme
#!/usr/bin/env python
# -*- coding: utf-8 -*-
#
# Turkce Vigenere Sifreleme
# Copyright 2013 Caner BASARAN
# Licensed under the GNU General Public License, version 2.
# See the file http://www.gnu.org/licenses/old-licenses/gpl-2.0.txt
HARFLER = u'ABCÇDEFGĞHIİJKLMNOÖPRSŞTUÜVYZ'
HARFDONUSUM = [(u'i', u'İ'), (u'ğ', u'Ğ'), (u'ü', u'Ü'), (u'ş', u'Ş'), (u'ö', u'Ö'), (u'ç', u'Ç'), (u'ı', u'I')]
def buyult(s):
for x, y in HARFDONUSUM:
s = s.replace(x, y)
return s.upper()
def kucult(s):
for x, y in HARFDONUSUM:
s = s.replace(y, x)
return s.lower()
def iletiDonustur(anahtar, ileti, kip):
donusturulmus = []
anahtarIndex = 0
anahtar = buyult(anahtar)
for harf in ileti:
num = HARFLER.find(buyult(harf))
if num != -1:
if kip == 'sifrele':
num += HARFLER.find(anahtar[anahtarIndex])
elif kip == 'desifrele':
num -= HARFLER.find(anahtar[anahtarIndex])
num %= len(HARFLER)
if harf.isupper():
donusturulmus.append(HARFLER[num])
elif harf.islower():
donusturulmus.append(kucult(HARFLER[num]))
anahtarIndex += 1
if anahtarIndex == len(anahtar):
anahtarIndex = 0
else:
donusturulmus.append(harf)
return ''.join(donusturulmus)
print iletiDonustur(u'Cemil Meriç', u"Sebfy ıepcplöhry mıfep mçie gişkmr lnn çet: mısisşn dküaşşı.", 'desifrele')
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