The 16 revised full papers presented together with 14 short papers were carefully reviewed and selected from 70 submissions. The papers cover a wide range of topics in the area of cryptography and cryptanalysis and are organized in the following topical sections: security of operating systems; secret sharing; encryption; malware and Critical infrastructures; cryptanalysis; block ciphers and stream ciphers; entity authentication; usability & risk perception; access control; computer security; privacy attacks; cryptography.