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搜索结果: 1-15 共查到Security Notions相关记录25条 . 查询时间(0.062 秒)
Information ratio of an access structure is an important measure for efficiency of the best secret sharing scheme realizing it. The most common notion of secret sharing security is that of total (perf...
Signal is a famous secure messaging protocol used by billions of people, by virtue of many secure text messaging applications including Signal itself, WhatsApp, Facebook Messenger, Skype, and Google A...
This paper revisits the security conditions of masked hardware implementations. We describe a new, succinct, information-theoretic condition to ensure security in the presence of glitches. This single...
Cloud storage is in widespread use by individuals and enterprises but introduces a wide array of attack vectors. A basic step for users is to encrypt their data, but it is not obvious what precise sec...
Proxy Re-Encryption (PRE) allows a ciphertext encrypted under Alice's public key to be transformed to an encryption under Bob's public key without revealing either the plaintext or the decryption keys...
We give a new class of security definitions for authentication in the quantum setting. These definitions capture and strengthen existing definitions of security against quantum adversaries for both cl...
This paper closes a definitional gap in the context of modeling cryptographic two-party channels. We note that, while most security models for channels consider exclusively unidirectional communicatio...
We address the problems of whether t-circular-secure encryption can be based on (t-1)-circular-secure encryption or on semantic (CPA) security, if t = 1. While for t = 1 a folklore construction, based...
Homomorphic signature schemes allow anyone to perform computation on signed data in such a way that the correctness of computations results is publicly certified. In this work we analyze the security...
The indistinguishability (\IND) based security notion of \FE can be parameterized based on whether the adversary obtains bounded/unbounded number of challenge ciphertexts, whether she is allowed to qu...
In this work, we revisit the notion of Decentralized Traceable Attribute-Based Signatures (DTABS) introduced by El Kaafarani et al. (CT-RSA 2014) and improve the state-of-the-art in three dimensions:...
White-box cryptography has attracted a growing interest from researchers in the last decade. Several white-box implementations of standard block-ciphers (DES, AES) have been proposed but they have all...
A draft call for the CAESAR authenticated-encryption competition adopts an interface that is not aligned with existing definitions in the literature. It is the purpose of this brief note to formalize ...
Recent years have witnessed an exceptional research interest in cryptographic hash functions, especially after the popular attacks against MD5 and SHA-1 in 2005. In 2007, the U.S. National Institute o...
In this work we investigate the relations among various security notions and show their connection with the game-theoretic notion of strong universal implementation. More precisely, we present a separ...

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