Z calculate from R, S
EXAMPLE :
R SR = 0xcabc3692f1f7ba75a8572dc5d270b35bcc00650534f6e5ecd6338e55355454d5
S = 0xf65bfc44435a91814c142a3b8ee288a9183e6a3f012b84545d1fe334ccfac25e
# target
Z value for
0x9b076ad2fe6b2ce63acf4edf7fc82d5152d3c8bffb36b944da7a1cce038f544aR = 0xcabc3692f1f7ba75a8572dc5d270b35bcc00650534f6e5ecd6338e55355454d5
S = 0x9cae782a191f3e742d9d4ff8f726d097a3a256af9fbc1faf16e7ec4d9fcf6feb
# target
Z value for
0x85e43d48a83d8713a0fe253bf6b1fc70b8ee780e54749dc500f2880b056c4383R = 0x79be667ef9dcbbac55a06295ce870b07029bfcdb2dce28d959f2815b16f81798
S = 0xb0fc6f098d906534447438c18cd892ab2fea7b5a24b7715f46a2ece08cd281de
# target
Z value for
0x373e088a93b3a987eed3d62bbe5187a42d4e7e7ef6e94885ecb06b8575da6a46R = 0xc6047f9441ed7d6d3045406e95c07cd85c778e4b8cef3ca7abac09b95c709ee5
S = 0x70b862a9bd712fbc70e5a30152f7951f1b46d40087b83d4330ed4eb6f39d640c
# target
Z value for
0x5567c62af707649e8140c5257a6e308c384d6850a4daa172ca54e887fe8fcb8fFirst, we look at signatures:
s=(z+rd)/k
sk=z+rd
sk-z=rd
(sk-z)/r=d
(s/r)k-(z/r)=d
(z/r)+d=(s/r)k
k=((z/r)+d)*(r/s)
any formula to find z form r s
my idea
r/s = z
s/r =z
s**r=z
or r s using to calculate the valid z value