This book constitutes the proceedings of the 4th International Conference on Cryptology and
Information Security in Latin America LatinCrypt 2015 held in Guadalajara Mexico in August
2015. The 20 papers presented were carefully reviewed and selected from 49 submissions. They
were organized in topical sections named: cryptographic protocols foundations post-quantum
cryptography symmetric key cryptanalysis we still love pairings curves in cryptography and
cryptographic engineering.
