":h FdZddlZddlmZddlmZmZdZdZdZ d d Z y) a RFC 6979: Deterministic Usage of the Digital Signature Algorithm (DSA) and Elliptic Curve Digital Signature Algorithm (ECDSA) http://tools.ietf.org/html/rfc6979 Many thanks to Coda Hale for his implementation in Go language: https://github.com/codahale/rfc6979 N)hexlify)number_to_stringnumber_to_string_cropcPt|}|jd}t|S)Nz-0b)binlstriplen)numss `/var/www/html/turnos/venv/lib/python3.12/site-packages/ccxt/static_dependencies/ecdsa/rfc6979.py bit_lengthrs! CA A q6Mcftt|d}t|dz}||kDr|||z z S|S)N)intrr )dataqlenxls r bits2intrs9 GDM2A D A A4xQX Hrc\t|t|}||z }|dkr|}t||S)Nr)rrr)rorderz1z2s r bits2octetsr!s5 $ 5) *B eB Av  U ++rcJt|}|j}|dzdz }t||t||z|z} d|z} d|z} t j | | dz| z|j } t j | | |j } t j | | dz| z|j } t j | | |j } d} t| |kr9t j | | |j } | | z } t| |kr9t| |} | dk\r| |kr |dkr| S|dz}t j | | dz|j } t j | | |j } )a order - order of the DSA generator used in the signature secexp - secure exponent (private key) in numeric form hash_func - reference to the same hash function used for generating hash data - hash in binary form of the signing data retry_gen - int - how many good 'k' values to skip before returning extra_entropy - extra added data in binary form as per section-3.6 of rfc6979 rrrr) r digest_sizerrhmacnewdigestr r)rsecexp hash_funcr retry_gen extra_entropyrholenrolenbxvktsecrets r generate_kr1,s e D K # #E AXNE &% (;tU+C C B %A %A AK"$i0779A Ay!((*A AK"$i0779A Ay!((*A  !funAy)002A FA!fun !T" Q;6E>A~ Q HHQG Y / 6 6 8 HHQ9 % , , .' r)rr) __doc__r#binasciirutilrrrrrr1rr r6s)  9 ,8/r