This book constitutes the refereed proceedings of the 17th International Conference on Cryptology and Network Security, CANS 2018, held in Naples, Italy, in September/October 2018. The 26 full papers were carefully reviewed and selected from 79 submissions. The papers are organized in the following topical sections: privacy; Internet misbehavior and protection; malware; symmetric key cryptography; signatures; cryptanalysis; cryptographic primitives; and cryptographic protocols.

This book constitutes the refereed proceedings of the 9th International Conference on Trust and Trustworthy Computing, TRUST 2016, held in Vienna, Austria, in August 2016. The 8 full papers presented in this volume were carefully reviewed and selected from 25 submissions. Topics discussed in this year's research contributions included topics such as anonymous and layered attestation, revocation, captchas, runtime integrity, trust networks, key migration, and PUFs. Topics discussed in this year's research contributions included topics such as anonymous and layered attestation, revocation, captchas, runtime integrity, trust networks, key migration, and PUFs.