This bookcontains revised selected papers from the 22nd International Conference onSelected Areas in Cryptography, SAC 2015, held in Sackville, NB, Canada inAugust 2015. 

The 26 full papers and 3 short papers presented in this volume were carefullyreviewed and selected from 91 submissions. They are organized in topicalsections named: privacy enhancing technologies; cryptanalysis of symmetric-keyprimitives; implementation of cryptographic schemes; short papers; privacypreserving data processing; side channel attacks and defenses; newcryptographic constructions; authenticated encryption; on the hardness ofmathematical problems; and cryptanalysis of authenticated encryption schemes.