You are holding the rst in a hopefully long and successful series of RSA Cr- tographers' Track proceedings. The Cryptographers' Track (CT-RSA) is one of the many parallel tracks of the yearly RSA Conference. Other sessions deal with government projects, law and policy issues, freedom and privacy news, analysts' opinions, standards, ASPs, biotech and healthcare, nance, telecom and wireless security, developers, new products, implementers, threats, RSA products, VPNs, as well as cryp- graphy and enterprise tutorials. RSA Conference 2001 is expected to continue the tradition and remain the...