--- a/Utilities/crypto/py3AES.py Fri Nov 01 15:48:48 2013 +0100
+++ b/Utilities/crypto/py3AES.py Sun Nov 03 15:58:22 2013 +0100
@@ -346,12 +346,12 @@
for i in range(nbr):
if isInv:
state[statePointer:statePointer + 4] = \
- state[statePointer + 3:statePointer + 4] + \
- state[statePointer:statePointer + 3]
+ state[statePointer + 3:statePointer + 4] + \
+ state[statePointer:statePointer + 3]
else:
state[statePointer:statePointer + 4] = \
- state[statePointer + 1:statePointer + 4] + \
- state[statePointer:statePointer + 1]
+ state[statePointer + 1:statePointer + 4] + \
+ state[statePointer:statePointer + 1]
return state
def __mixColumns(self, state, isInv):
@@ -393,13 +393,13 @@
g = self.__galois_multiplication
column[0] = g(cpy[0], mult[0]) ^ g(cpy[3], mult[1]) ^ \
- g(cpy[2], mult[2]) ^ g(cpy[1], mult[3])
+ g(cpy[2], mult[2]) ^ g(cpy[1], mult[3])
column[1] = g(cpy[1], mult[0]) ^ g(cpy[0], mult[1]) ^ \
- g(cpy[3], mult[2]) ^ g(cpy[2], mult[3])
+ g(cpy[3], mult[2]) ^ g(cpy[2], mult[3])
column[2] = g(cpy[2], mult[0]) ^ g(cpy[1], mult[1]) ^ \
- g(cpy[0], mult[2]) ^ g(cpy[3], mult[3])
+ g(cpy[0], mult[2]) ^ g(cpy[3], mult[3])
column[3] = g(cpy[3], mult[0]) ^ g(cpy[2], mult[1]) ^ \
- g(cpy[1], mult[2]) ^ g(cpy[0], mult[3])
+ g(cpy[1], mult[2]) ^ g(cpy[0], mult[3])
return column
def __aes_round(self, state, roundKey):
@@ -664,7 +664,7 @@
for j in range(int(math.ceil(float(len(input)) / 16))):
start = j * 16
end = j * 16 + 16
- if end > len(input):
+ if end > len(input):
end = len(input)
plaintext = self.__extractBytes(input, start, end, mode)
# print 'PT@%s:%s' % (j, plaintext)
@@ -753,7 +753,7 @@
bytesOut = bytearray()
# char firstRound
firstRound = True
- if cipherIn != None:
+ if cipherIn is not None:
for j in range(int(math.ceil(float(len(cipherIn)) / 16))):
start = j * 16
end = j * 16 + 16
