Cryptography, Cybersecurity, Cryptocurrency.
A=pow(g,a,p) chal=str(A) h=hashlib.sha256() h.update(chal.encode()) c=int(h.hexdigest(),16)%p if (math.gcd(c,p-1)==1): break invc = pow(c,-1,p-1) invA = pow(A,-1,p) z= random.randint(0, p-1) num=(pow(g,z,p) * invA)%p X=pow(num,invc,p) print (f"z={z}, A={A}") print (f"X={X}") print("== Now checking