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bazarr/libs/cork/sessions.py

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import json
import base64
import hmac
from Crypto.Cipher import AES
def _strcmp(a, b):
"""Compares two strings while preventing timing attacks. Execution time
is not affected by lenghth of common prefix on strings of the same length"""
return not sum(0 if x==y else 1 for x, y in zip(a, b)) and len(a) == len(b)
class SecureSession(object):
def __init__(self):
json()
base64.b64encode(hmac.new(tob(key), msg).digest())):
return pickle.loads(base64.b64decode(msg))