def getPartitionNum(self, trace, tnum):
key = trace.getKnownKey(tnum)
text = trace.getTextin(tnum)
guess = [0] * 16
for i in range(0, 16):
guess[i] = AES128_8bit.getHW(sbox(text[i] ^ key[i]))
return guess
def getPartitionNum(self, trace, tnum):
key = trace.getKnownKey(tnum)
text = trace.getTextin(tnum)
guess = [0] * 16
for i in range(0, 16):
guess[i] = AES128_8bit.getHW(sbox(text[i] ^ key[i]))
return guess
def getPartitionNum(self, trace, tnum):
key = trace.getKnownKey(tnum)
ct = trace.getTextout(tnum)
#Convert from initial key to final-round key, currently
#this assumes AES
if len(key) == 16:
rounds = 10
else:
raise ValueError("Need to implement for selected AES")
key = keyScheduleRounds(key, 0, rounds)
guess = [0] * 16
for i in range(0, 16):
st10 = ct[AES128_8bit.INVSHIFT[i]]
st9 = inv_sbox(ct[i] ^ key[i])
guess[i] = AES128_8bit.getHW(st9 ^ st10)
return guess
def getPartitionNum(self, trace, tnum):
key = trace.getKnownKey(tnum)
ct = trace.getTextout(tnum)
#Convert from initial key to final-round key, currently
#this assumes AES
if len(key) == 16:
rounds = 10
else:
raise ValueError("Need to implement for selected AES")
key = keyScheduleRounds(key, 0, rounds)
guess = [0] * 16
for i in range(0, 16):
st10 = ct[AES128_8bit.INVSHIFT[i]]
st9 = inv_sbox(ct[i] ^ key[i])
guess[i] = AES128_8bit.getHW(st9 ^ st10)
return guess
