o j@sddlmZmZddZdS))packunpackc Csd}d}||}|dkrd}|td|dkrtdd}d} td|dD]} td| |d |td|} ||| d } || }q&|d|d S) N rzError computing KDF_CounterModez>Lsha256)pow Exceptionrangernewdigest) KILabelContextLhmac_objhrnresultKiinputr/root/aizidognhua/tmp/workspace/projects/ec89d86c-575f-41c9-af57-ac45cbdbf775/venv/lib/python3.10/site-packages/unicrypto/backends/kdf.pyKDF_CounterModes  rN)structrrrrrrrs