The two-volume set LNCS 9614 and 9615 constitutes the refereed proceedings of the 19th IACR International Conference on the Practice and Theory in Public-Key Cryptography, PKC 2016, held in Taipei, Taiwan, in March 2016. The 34 revised papers presented were carefully reviewed and selected from 143 submissions. They are organized in topical sections named: CCA security, functional encryption, identity-based encryption, signatures, cryptanalysis, leakage-resilient and circularly secure encryption, protocols, and primitives.

The two-volume set LNCS 9614 and 9615 constitutes the refereed proceedings of the 19th IACR International Conference on the Practice and Theory in Public-Key Cryptography, PKC 2016, held in Taipei, Taiwan, in March 2016. The 34 revised papers presented were carefully reviewed and selected from 143 submissions. They are organized in topical sections named: CCA security, functional encryption, identity-based encryption, signatures, cryptanalysis, leakage-resilient and circularly secure encryption, protocols, and primitives.

This book constitutes the refereed proceedings of the 17th International Workshop on Security, IWSEC 2022, which took place as a hybrid event in Tokyo, Japan, in August/September 2022. The 12 full papers presented in this book were carefully reviewed and selected from 34 submissions. They were organized in topical sections as follows: mathematical cryptography; system security and threat intelligence; symmetric-key cryptography; post-quantum cryptography; advanced cryptography.