Preface -- Mathematics, cryptology, and technology -- A survey on IQ cryptography -- Algebraic groups and discrete logarithm -- Fermat numbers, Wieferich and Wilson primes: computations and generalizations -- How to distinguish hyperelliptic curves in even characteristic -- Limitations of constructive Weil descent -- On the security of a public-key cryptosystem -- Optimizations for NTRU -- The efficiency and security of a real quadratic field based key exchange protocol -- Extending the binary gcd algorithms -- Stochastic kleptography detection -- An overview of the XTR public key system -- A survey of IND-CCA secure public-key encryption schemes relative to factoring -- Efficient point multiplication for elliptic curves over special optimal extension fields -- Error-correcting codes and cryptography -- Secret public key schemes -- Index form surfaces and construction of elliptic curves over large finite fields -- On the size of solutions of the inequality φ(ax + b) < φ(ax) -- Security of DL-encryption and signatures against generic attacks - a survey -- Square-root algorithms for the discrete logarithm problem (a survey) -- Height functions on elliptic curves -- List of participants -- List of contributors.