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Title: Bitcoin and SageMath question Post by: imjustagirl on December 12, 2019, 10:56:43 PM I was reading up on Bitcoin formulas, but I cannot get this one to work in SageMath.
This was supposed to be for related nonces and I was trying it with my own transactions. c = k2-k1 where c is the difference between the two nonces. p = 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFEBAAEDCE6AF48A03BBFD25E8CD0364141 K = GF(p) K((r2*z1)+(r1*s2*c)-(r1*z2))/((s1*r2)-(s2*r1)) Doesn't come up with the right result! It's supposed to give me k1. This one works fine: K((z1*s2 - z2*s1)/(r*(s1-s2))) for repeated R's. Did I mess up the formula or SageMath? Or everything together? >:( Ugh! It bugs me. Thank you for any constructive thoughts. |