o uvXj @sdZddlZddlZddlZddlZddlmZddlmZze ZdZ Wne y:ddl Z e ddZ Ynwddd Z dd d ZddZdddZdS)z3 Django's standard crypto functions and utilities. N)settings) force_bytesTzjA secure pseudo-random number generator is not available on your system. Falling back to Mersenne Twister.FcCsF|durtj}t|}t|}t||}tj|t|tjdS)z Return the HMAC-SHA1 of 'value', using a key generated from key_salt and a secret (which defaults to settings.SECRET_KEY). A different key_salt should be passed in for every application of HMAC. N)msg digestmod)r SECRET_KEYrhashlibsha1digesthmacnew)key_saltvaluesecretkeyrP/var/www/html/myproject/venv/lib/python3.10/site-packages/django/utils/crypto.py salted_hmacs r >abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789csLtsttdtttjf  d fddt |DS)z Return a securely generated random string. The default length of 12 with the a-z, A-Z, 0-9 character set returns a 71-bit value. log_2((26+26+10)^12) =~ 71 bits z%s%s%sc3s|]}tVqdSN)randomchoice).0i allowed_charsrr Esz$get_random_string..) using_sysrandomrseedrsha256getstatetimerrencoder joinrange)lengthrrrrget_random_string0s r'cCstt|t|S)z:Return True if the two strings are equal, False otherwise.)r compare_digestr)val1val2rrrconstant_time_compareHsr+cCs<|durtj}|p d}t|}t|}t|j||||S)z)Return the hash of password using pbkdf2.N)rr r pbkdf2_hmacname)passwordsalt iterationsdklenr rrrpbkdf2Ms r2r)rr)rN)__doc__rr rr" django.confrdjango.utils.encodingr SystemRandomrNotImplementedErrorwarningswarnrr'r+r2rrrrs*