Advances in Cryptology, CRYPTO 2001: 21st Annual International Cryptology Conference, Santa Barbara, California, USA, August 19-23, 2001, Proceedings: CRYPTO 2001 - 21st Annual International Cryptology Conference, Santa Barbara, California, USA, 19-23, 2001, Proceedings by Springer-Verlag Berlin and Heidelberg GmbH & Co. KG (Paperback, 2001)