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DSAregenK - Recover the private key from signed DSA messages

  •    Python

Given two+ signed message hashes h(mA),h(mB) with signatures (rA,sA) and (rB,sB) where rA==rB and shared public_key coefficients (at least subprime q) one can reconstruct the private key used to sign these messages. If we manage to find a 'k' so that g^k mod p mod q == 'r' we can reconstruct the private_key 'x'. Remember 'g' is part of the public_key.






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