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41 lines
865 B
Python
41 lines
865 B
Python
#-*- coding: utf-8 -*-
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"""
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Hashing and salting
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"""
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from base64 import urlsafe_b64encode
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from hashlib import pbkdf2_hmac
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from secrets import token_bytes
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from typing import Tuple
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def get_hash(salt: bytes, data: str) -> bytes:
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"""Hash a string using the supplied salt
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Args:
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salt (bytes): The salt to use when hashing
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data (str): The data to hash
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Returns:
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bytes: The b64 encoded hash of the supplied string
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"""
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return urlsafe_b64encode(
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pbkdf2_hmac('sha256', data.encode(), salt, 100_000)
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)
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def generate_salt_hash(password: str) -> Tuple[bytes, bytes]:
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"""Generate a salt and get the hash of the password
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Args:
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password (str): The password to generate for
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Returns:
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Tuple[bytes, bytes]: The salt (1) and hashed_password (2)
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"""
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salt = token_bytes()
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hashed_password = get_hash(salt, password)
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del password
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return salt, hashed_password
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