This book constitutes the refereed post-conference proceedings of the 29th International Conference on Selected Areas in Cryptography, SAC 2022, held in Windsor, Canada, during August 24–26, 2022.

The 21 full papers presented in this volume were carefully reviewed and selected from 53 submissions. The papers are categorized into the following topical sections: lattices and ECC; differential cryptanalysis; cryptographic primitives; isogeny-based cryptography I; block ciphers; differential cryptanalysis II; isogeny-based cryptography II; and protocols and PRFs.