ei HdZddlZddlmZddlmZmZdZdZdZ d d Z dS) 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_cropcht|}|d}t|S)Nz-0b)binlstriplen)numss d/var/www/html/volatility/venv/lib/python3.11/site-packages/ccxt/static_dependencies/ecdsa/rfc6979.py bit_lengthrs' CA A q66Mctt|d}t|dz}||kr|||z z S|S)N)intrr )dataqlenxls r bits2intrsB GDMM2A D A A4xxQX Hrcvt|t|}||z }|dkr|}t||S)Nr)rrr)rorderz1z2s r bits2octetsr!s@ $ 5)) * *B eB Avv  U + ++rrct|}|j}|dzdz }t||t||z|z} d|z} d|z} t j| | dz| z|} t j| | |} t j| | dz| z|} t j| | |} d} t| |kr@t j| | |} | | z } t| |k@t| |} | dkr| |kr |dkr| S|dz}t j| | dz|} t 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 rTrrr) r digest_sizerrhmacnewdigestr r)rsecexp hash_funcr retry_gen extra_entropyrholenrolenbxvktsecrets r generate_kr1,s e  D IKK #E AXNE &% ( (;tU+C+C C B %A %A AK"$i007799A Ay!!((**A AK"$i007799A Ay!!((**A/ !ffunnAy))0022A FA!ffunn !T"" Q;;6E>>A~~ Q HQG Y / / 6 6 8 8 HQ9 % % , , . .'/r)rr) __doc__r#binasciirutilrrrrrr1rr r6s   99999999   ,,,8/8/8/8/8/8/r