jf dZddlZddlZddlZddlmZddlmZGddeZ dddd Z d Z e fd Z d Z dd ZdS)z3 Django's standard crypto functions and utilities. N)settings) force_bytesceZdZdZdS)InvalidAlgorithmz&Algorithm is not supported by hashlib.N)__name__ __module__ __qualname____doc__b/var/www/finuniver-perm.ru/html/portfolio/venv/lib/python3.11/site-packages/django/utils/crypto.pyrr s00Dr rsha1) algorithmcZ| tj}t|}t|} tt|}n%#t $r}t d|z|d}~wwxYw|||z}tj |t||S)a* Return the HMAC of 'value', using a key generated from key_salt and a secret (which defaults to settings.SECRET_KEY). Default algorithm is SHA1, but any algorithm name supported by hashlib can be passed. A different key_salt should be passed in for every application of HMAC. Nz6%r is not an algorithm accepted by the hashlib module.)msg digestmod) r SECRET_KEYrgetattrhashlibAttributeErrorrdigesthmacnew)key_saltvaluesecretrhasherekeys r salted_hmacr s~$8$$H  F),,  Dy P    &F" # # * * , ,C 8C[//6 B B BBsA A&A!!A&>abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789c`dfdt|DS)aG Return a securely generated random string. The bit length of the returned value can be calculated with the formula: log_2(len(allowed_chars)^length) For example, with default `allowed_chars` (26+26+10), this gives: * length: 12, bit length =~ 71 bits * length: 22, bit length =~ 131 bits c3@K|]}tjVdSN)secretschoice).0i allowed_charss r z$get_random_string..>s-HHQ7>-00HHHHHHr )joinrange)lengthr*s `r get_random_stringr/3s2 77HHHH%--HHH H HHr c`tjt|t|S)z:Return True if the two strings are equal, False otherwise.)r&compare_digestr)val1val2s r constant_time_comparer4As%  !+d"3"3[5F5F G GGr c| tj}|pd}t|}t|}tj|j||||S)z)Return the hash of password using pbkdf2.N)rsha256r pbkdf2_hmacname)passwordsalt iterationsdklenrs r pbkdf2r=FsR ~ MTE8$$H t  D  vvxx}hj% P PPr r%)rN)r rrr& django.confrdjango.utils.encodingr ValueErrorrr RANDOM_STRING_CHARSr/r4r=r r r rBs  ------     z   C6CCCCC:W-@ I I I IHHH QQQQQQr