Cryptography and Lattices : International Conference CaLC 2001 Providence RI USA March 29–30 2001 Revised Papers This book constitutes the thoroughly refereed post proceedings of the International Conference on Cryptography and Lattices CaLC 2001 held in Providence RI USA in March 2001. The 14 revised full papers presented together with an overview paper were carefully reviewed and selected for inclusion in the book. All current aspects of lattices and lattice reduction in cryptography both for cryptographic construction and cryptographic analysis are addressed