def translation(self, letter):
toEncrypt1 = self.circularShifts(letter, self.offset - self.setting)
if self.direction == 'REVERSE':
toEncrypt2 = self.reversePermutation[Translator.letterToIndex(
toEncrypt1)]
else:
toEncrypt2 = self.permutation[Translator.letterToIndex(toEncrypt1)]
encrypted = self.circularShifts(toEncrypt2,
(self.setting - 1) - (self.offset - 1))
return encrypted
def setConfiguration(self, pbConfiguration):
if 0 < len(pbConfiguration) <= 10:
for pair in pbConfiguration:
firstLetter = pair[0]
firstIndex = Translator.letterToIndex(firstLetter)
secondLetter = pair[1]
secondIndex = Translator.letterToIndex(secondLetter)
self.permutation[firstIndex] = secondLetter
self.permutation[secondIndex] = firstLetter
elif len(pbConfiguration) > 10:
print "Error, Only 10 Paris Of Plugboard is allow. Bay-Bay"
sys.exit(0)
def reverseTranslation(self):
abc = list("ABCDEFGHIJKLMNOPQRSTUVWXYZ")
index = 0
for letter in self.permutation:
self.reversePermutation[Translator.letterToIndex(
letter)] = abc[index]
index += 1
def __init__(self, name, permutation, turnOver):
self.name = name
self.permutation = permutation
self.reversePermutation = [0] * self.SIZE
self.reverseTranslation(
) # create reverse translation from forward permutation
self.turnOver = Translator.letterToIndex(turnOver) + 1
self.setting = 0
self.offset = 0
def translation(self, letter):
return self.permutation[Translator.letterToIndex(letter)]
