Question
import os import hashlib def get_salt(): Returns the appropriate salt for assum salt id is 'abcdefg' :rtype: bytes # Hint: use os.environment and bytes.fromhex
import os import hashlib def get_salt(): """Returns the appropriate salt for assum salt id is 'abcdefg' :rtype: bytes """
# Hint: use os.environment and bytes.fromhex raise NotImplementedError()
def hash_str(some_val, salt=''): """Converts strings to hash digest See: https://en.wikipedia.org/wiki/Salt_(cryptography) :param str or bytes some_val: thing to hash :param str or bytes salt: string or bytes to add randomness to the hashing, defaults to ''. :rtype: bytes """ raise NotImplementedError()
def get_user_id(username): salt = get_csci_salt() return hash_str(username.lower(), salt=salt).hex()[:8]
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