k"gf xdZddlZddlZddlZddlmZddlmZGddeZ dddd Z d Z e fd Z d Z dd Zy)z3 Django's standard crypto functions and utilities. N)settings) force_bytesceZdZdZy)InvalidAlgorithmz&Algorithm is not supported by hashlib.N)__name__ __module__ __qualname____doc__L/var/www/html/djangosite/lib/python3.12/site-packages/django/utils/crypto.pyrr s0r rsha1) algorithmc(|tj}t|}t|} tt|}|||zj}tj|t||S#t $r}t d|z|d}~wwxYw)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$H  F), F" # * * ,C 88C[/6 BB  Dy P  sA44 B=B  B>abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789cJdjfdt|DS)aG Return a securely generated random string. The bit length of the returned value can be calculated with the formula: log_2(len(allowed_chars)^length) For example, with default `allowed_chars` (26+26+10), this gives: * length: 12, bit length =~ 71 bits * length: 22, bit length =~ 131 bits c3HK|]}tjywN)secretschoice).0i allowed_charss r z$get_random_string..>sHQ7>>-0Hs")joinrange)lengthr*s `r get_random_stringr/3s 77H%-H HHr cRtjt|t|S)z:Return True if the two strings are equal, False otherwise.)r&compare_digestr)val1val2s r constant_time_comparer4As  ! !+d"3[5F GGr c|tj}|xsd}t|}t|}tj|j||||S)z)Return the hash of password using pbkdf2.N)rsha256r pbkdf2_hmacname)passwordsalt iterationsdklenrs r pbkdf2r=FsL ~ MTE8$H t D   vx}}hj% PPr r%)rN)r rrr& django.confrdjango.utils.encodingr ValueErrorrr RANDOM_STRING_CHARSr/r4r=r r r rBsV  - z C6C:W-@ IH Qr