\bib{1985/elgamal-sigs} \yr 1985 \mr 86j:94045 \by Taher ElGamal \paper A public key cryptosystem and a signature scheme based on discrete logarithms \jour IEEE Transactions on Information Theory \issn 0018--9448 \vol 31 \pages 469--472 \seeolder \cite{1985/elgamal-sigs-draft} \endref