The 26 full papers and 3 short papers presented in this volume were carefully reviewed and selected from 91 submissions. They are organized in topical sections named: privacy enhancing technologies; cryptanalysis of symmetric-key primitives; implementation of cryptographic schemes; short papers; privacy preserving data processing; side channel attacks and defenses; new cryptographic constructions; authenticated encryption; on the hardness of mathematical problems; and cryptanalysis of authenticated encryption schemes.