B 0H[ @sdZddlZddlZddlZddlZddlmZddlmZye ZdZ Wn*e k rvddl Z e ddZ YnXddd Zdd 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|dkrtj}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)Zkey_saltvalueZsecretkeyrWC:\Users\HIRONO~1\AppData\Local\Temp\pip-install-6bm3nxem\django\django\utils\crypto.py salted_hmacs r >abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789csLts0ttdtttjf  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|]}tVqdS)N)randomchoice).0i) allowed_charsrr Esz$get_random_string..) using_sysrandomrseedrsha256getstatetimerrencoder joinrange)lengthrr)rrget_random_string0s $r#cCstt|t|S)z:Return True if the two strings are equal, False otherwise.)r compare_digestr)Zval1Zval2rrrconstant_time_compareHsr%cCs<|dkrtj}|sd}t|}t|}t|j||||S)z)Return the hash of password using pbkdf2.N)rrr pbkdf2_hmacname)passwordZsaltZ iterationsZdklenr rrrpbkdf2Msr))N)rr)rN)__doc__rr rrZ django.confrZdjango.utils.encodingr SystemRandomrNotImplementedErrorwarningswarnrr#r%r)rrrrs$