8653 Mihir Bellare/Moti Yung: Certifying permutations - noninteractive zero-knowledge based on any trapdoor permutation. J. Cryptology 9 (1996), 149-166. 8652 Alfredo De Santis/Giuseppe Persiano: The power of preprocessing in zero-knowledge proofs of knowledge. J. Cryptology 9 (1996), 129-148. 8655 M. Fischer/Silvio Micali/Charles Rackoff: A secure protocol for the oblivious transfer. Extended abstract. J. Cryptology 9 (1996), 191-195. 8654 Oded Goldreich/Ariel Kahan: How to construct constant-round zero-knowledge proof systems for NP. J. Cryptology 9 (1996), 167-189. Shafi Goldwasser/Silvio Micali/Charles Rackoff: The knowledge complexity of interactive-proof systems. SIAM J. Comput. 18 (1989), 281-308.