This book contains revised selected papers from the 30th International Conference on Selected Areas in Cryptography, SAC 2023, held in Fredericton, New Brunswick, Canada, in August 2023. The 21full papers presented in these proceedings were carefully reviewed and selected from 45 submissions. The papers are organized in the following topical sections: Cryptanalysis of Lightweight Ciphers; Side-Channel Attacks and Countermeasures; Post-Quantum Constructions; Symmetric cryptography and fault attacks; Post-Quantum Analysis and Implementations; Homomorphic encryption; Public-Key Cryptography; and Differential Cryptanalysis.

The eight-volume set LNCS 14438 until 14445 constitutes the proceedings of the 29th International Conference on the Theory and Application of Cryptology and Information Security, ASIACRYPT 2023, held in Guangzhou, China, during December 4-8, 2023. The total of 106 full papers presented in these proceedings was carefully reviewed and selected from 375 submissions. The papers were organized in topical sections as follows: Part I: Secure Multi-party computation; threshold cryptography; . Part II: proof systems - succinctness and foundations; anonymity; Part III: quantum cryptanalysis; symmetric-key cryptanalysis; Part IV: cryptanalysis of post-quantum and public-key systems; side-channels; quantum random oracle model; Part V: functional encryption, commitments and proofs; secure messaging and broadcast; Part VI: homomorphic encryption; encryption with special functionalities; security proofs and security models; Part VII: post-quantum cryptography; Part VIII: quantum cryptography; key exchange; symmetric-key design.

This volume contains the papers accepted for presentation at Africacrypt 2023, the 14th International Conference on the Theory and Application of Cryptographic Techniques in Africa. The 21 full papers included in this book were carefully reviewed and selected from 59 submissions. They were organized in topical sections as follows: Post-quantum cryptography; Symmetric cryptography; Cryptanalysis; Blockchain; Lattice-based cryptography; Implementations; Theory.

The four-volume set LNCS 14344-14347 constitutes the refereed proceedings of the 28th European Symposium on Research in Computer Security, ESORICS 2023, which took place in The Hague, The Netherlands, during September 25-29, 2023. The 93 full papers presented in these proceedings were carefully reviewed and selected from 478 submissions. They were organized in topical sections as follows: Part I: Crypto. Part II: Network, web and internet; privacy; and remote. Part III: Attacks; blockchain; and miscellaneous. Part IV: Machine learning; software and systems security.