The 34 papers in this volume address issues such as the booming area of research and development in cryptology and advances in application areas including security and privacy, digital communication, and electronic commerce.

This text constitutes the refereed proceedings of the 15th Conference on the Theory and Application of Cryptographic Techniques. The 34 revised full papers included were carefully selected from a total of 104 submissions. The papers addresses issues such as the booming area of research and development in cryptology and advances in application areas including security and privacy, digital communication, and electronic commerce.