g hdZddlZddlZddlmZmZdedefdZdedefdZ dedefdZ d edefd Z y) z(Functions for generating random numbers.N)common transformnbitsreturnct|d\}}tj|}|dkDr?ttjd}|d|z z}t j d||z}|S)zReads 'nbits' random bits. If nbits isn't a whole number of bytes, an extra byte will be appended with only the lower bits set. rB)divmodosurandomordstructpack)rnbytesrbits randomdata randomvalues @/var/www/openai/venv/lib/python3.12/site-packages/rsa/randnum.pyread_random_bitsrsh5!$MFEF#J qy"**Q-( E ! [[k2Z? c\t|}tj|}|d|dz zz}|S)z3Reads a random integer of approximately nbits bits.r )rr bytes2int)rrvalues rread_random_intr.s8"%(J    +E Q519 E Lrc"t|}|dzS)zhReads a random odd integer of approximately nbits bits. >>> read_random_odd_int(512) & 1 1 r )r)rrs rread_random_odd_intr;s E "E 19rmaxvaluectj|}d} t|}||kr |S|dzdk(r|r|dz}|dz }()zReturns a random integer x with 1 <= x <= maxvalue May take a very long time in specific situations. If maxvalue needs N bits to store, the closer maxvalue is to (2 ** N) - 1, the faster this function is. r r )rbit_sizer)rr!triesrs rrandintr#Hs^x(H E ) H   L 2:?u MH   r) __doc__r rrsarrintbytesrrrr#rrr)sa/ !CE* 3 3  s s ccr