E#i HSrSSKrSSKJr SSKJrJr SrSrSr S S jr g) 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_cropcP[U5nURS5n[U5$)Nz-0b)binlstriplen)numss `/home/james-whalen/.local/lib/python3.13/site-packages/ccxt/static_dependencies/ecdsa/rfc6979.py bit_lengthrs! CA A q6Mcd[[U5S5n[U5S-nX1:aX#U- - $U$)N)intrr )dataqlenxls r bits2intrs5 GDM2A D A AxX HrcZ[U[U55nX!- nUS:aUn[X15$)Nr)rrr)rorderz1z2s r bits2octetsr!s1 $ 5) *B B Av   ++rcN[U5nU"5RnUS-S- n[X5[X05-U-n SU-n SU-n [R "XS-U -U5R 5n [R "XU5R 5n [R "XS-U -U5R 5n [R "XU5R 5n Sn [U 5U:a:[R "XU5R 5n X- n [U 5U:aM:[X5n U S:aX:a US::aU $US-n[R "XS-U5R 5n [R "XU5R 5n M)a order - order of the DSA generator used in the signature secexp - secure exponent (private key) in numeric form hash_func - reference to the same hash function used for generating hash data - hash in binary form of the signing data retry_gen - int - how many good 'k' values to skip before returning extra_entropy - extra added data in binary form as per section-3.6 of rfc6979 rrrr) r digest_sizerrhmacnewdigestr r)rsecexp hash_funcr retry_gen extra_entropyrholenrolenbxvktsecrets r generate_kr1,s e D K # #E AXNE & (;t+C C B %A %A K"$i0779A y!((*A K"$i0779A y!((*A  !funy)002A FA!fun !" Q;6>A~ Q HHQG Y / 6 6 8 HHQ9 % , , .' r)rr) __doc__r#binasciirutilrrrrrr1rr r6s)  9 ,8/r