We consider the question of how to store a value secretly on devices that continually leak information about their internal state to an external attacker. If the secret value is s...
Yevgeniy Dodis, Allison B. Lewko, Brent Waters, Da...
Often authentication and confidentiality are required as simultaneous key requirements in many cryptographic applications. The cryptographic primitive called signcryption effective...
S. Sharmila Deva Selvi, S. Sree Vivek, C. Pandu Ra...
Abstract. Whereas encryption schemes withstanding passive chosenplaintext attacks (CPA) can be constructed based on a variety of computational assumptions, only a few assumptions a...
Ronald Cramer, Goichiro Hanaoka, Dennis Hofheinz, ...
Abstract. In this paper, we fully break the Algebraic Surface Cryptosystem (ASC for short) proposed at PKC’2009 [3]. This system is based on an unusual problem in multivariate cr...