Cybersecurity, Cryptography.
squares in (Z/nZ), try here: (Z/nZ)* — the multiplicative group of Z / nZ and Qn — the subgroup of squares in (Z/nZ)* I published an article on a Discrete Logarithm of Equivalence:medium.com The Decision Diffie-Hellman (DDH) assumption defines that with random values of g,h∈Qn, it is hard from g^a