+hDddlmZddlZGddejZy)) annotationsNcXeZdZejddZejddZy)KeyDerivationFunctioncy)zo Deterministically generates and returns a new key based on the existing key material. N)self key_materials ^/var/www/html/venv/lib/python3.12/site-packages/cryptography/hazmat/primitives/kdf/__init__.pyderivezKeyDerivationFunction.derive cy)z Checks whether the key generated by the key material matches the expected derived key. Raises an exception if they do not match. Nr)rr expected_keys r verifyzKeyDerivationFunction.verifyr r N)r bytesreturnr)r rrrrNone)__name__ __module__ __qualname__abcabstractmethodr rrr r rr s4     r r) metaclass) __future__rrABCMetarrr r rs #   ckk  r