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Improve Security by Using Cryptographically Secure Random Numbers for IV Generation #191

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Improve Security by Using Cryptographically Secure Random Numbers for IV Generation #191

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892126e
Update crypto.py
kexinoh Aug 4, 2024
d73ff73
Update crypto.py
kexinoh Aug 4, 2024
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4 changes: 2 additions & 2 deletions pubnub/crypto.py
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Original file line number Diff line number Diff line change
Expand Up @@ -2,7 +2,7 @@
import json
import random
import logging

import os

from base64 import decodebytes, encodebytes, b64decode, b64encode
from Cryptodome.Cipher import AES
Expand Down Expand Up @@ -69,7 +69,7 @@ def extract_random_iv(self, message, use_random_iv):

def get_initialization_vector(self, use_random_iv):
if self.pubnub_configuration.use_random_initialization_vector or use_random_iv:
return "{0:016}".format(random.randint(0, 9999999999999999))
return os.urandom(16)
else:
return Initial16bytes

Expand Down