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: / lib64 / python3.6 / site-packages / cryptography / hazmat / primitives /

Filename : constant_time.py

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# This file is dual licensed under the terms of the Apache License, Version
# 2.0, and the BSD License. See the LICENSE file in the root of this repository
# for complete details.

from __future__ import absolute_import, division, print_function

import hmac


def bytes_eq(a, b):
    if not isinstance(a, bytes) or not isinstance(b, bytes):
        raise TypeError("a and b must be bytes.")

    return hmac.compare_digest(a, b)