Source code for dioptra.sdk.cryptography.common

# This Software (Dioptra) is being made available as a public service by the
# National Institute of Standards and Technology (NIST), an Agency of the United
# States Department of Commerce. This software was developed in part by employees of
# NIST and in part by NIST contractors. Copyright in portions of this software that
# were developed by NIST contractors has been licensed or assigned to NIST. Pursuant
# to Title 17 United States Code Section 105, works of NIST employees are not
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# copyright (or licensing rights) in portions of software that were assigned or
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# being made available under the Creative Commons Attribution 4.0 International
# license (CC BY 4.0). The disclaimers of the CC BY 4.0 license apply to all parts
# of the software developed or licensed by NIST.
#
# ACCESS THE FULL CC BY 4.0 LICENSE HERE:
# https://creativecommons.org/licenses/by/4.0/legalcode
#
# The load_payload function is adapted from the following source:
#
#     ErikusMaximus (https://stackoverflow.com/users/3508142/erikusmaximus), How to
#         verify a signed file in python, URL (version: 2019-07-02):
#         https://stackoverflow.com/q/51331461

from __future__ import annotations


def load_payload(filepath: str) -> bytes:
    """Load the payload contents"""
    with open(filepath, "rb") as f:
        payload: bytes = f.read()

    return payload