New Paradigms for Digital Signatures and Message Authentication Based on Non-Interative Zero Knowledge Proofs.

Mihir Bellare Shafi Goldwasser New Paradigms for Digital Signatures and Message Authentication Based on Non-Interative Zero Knowledge Proofs. 194-211 http://dx.doi.org/10.1007/0-387-34805-0_19 1989 conf/crypto/1989 CRYPTO db/conf/crypto/crypto89.html#BellareG89