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This book constitutes the thoroughly refereed post-conference proceedings of the 9th International Conference on Information Security and Cryptology, Inscrypt 2013, held in Guangzhou, China, in November 2013.

The 21 revised full papers presented together with 4 short papers were carefully reviewed and selected from 93 submissions. The papers cover the topics of Boolean function and block cipher, sequence and stream cipher, applications: systems and theory, computational number theory, public key cryptography, has function, side-channel and leakage, and application and system security.

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Boolean Function and Block Cipher.- Sequence and Stream Cipher.- Applications: Systems and Theory.- Computational Number Theory.- Public Key Cryptography.- Hash Function.- Side-Channel and Leakage.- Application and System Security.

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Dr. Moti Yung is Senior Researcher at Columbia University and an editor of the International Association for Cryptologic Research´s Journal of Cryptology.

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