1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
|
try:
from cryptolib import aes
except ImportError:
print("SKIP")
raise SystemExit
def _new(k, ctr_initial):
return aes(k, 6, ctr_initial)
try:
_new(b"x" * 16, b"x" * 16)
except ValueError as e:
# is CTR support disabled?
if e.args[0] == "mode":
print("SKIP")
raise SystemExit
raise e
crypto = _new(b"1234" * 4, b"5678" * 4)
enc = crypto.encrypt(b"a")
print(enc)
enc += crypto.encrypt(b"b" * 1000)
print(enc)
crypto = _new(b"1234" * 4, b"5678" * 4)
print(crypto.decrypt(enc))
|
