@misc{cryptoeprint:2015:649, author = {David Bernhard and Marc Fischlin and Bogdan Warinschi}, title = {On the Hardness of Proving CCA-security of Signed ElGamal}, howpublished = {Cryptology ePrint Archive, Report 2015/649}, year = {2015}, url = {https://eprint.iacr.org/2015/649}, }