Results 21 to 30 of about 1,896 (262)
The Impact of Decryption Failures on the Security of NTRU Encryption [PDF]
, 2003 NTRUEncrypt is unusual among public-key cryptosystems in that, with standard parameters, validly generated ciphertexts can fail to decrypt. This affects the provable security properties of a cryptosystem, as it limits the ability to build a simulator in the random oracle model without knowledge of the private key.
Nick Howgrave-Graham +6 more
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Ciphertext policy hidden access control scheme based on blockchain and supporting data sharing
Tongxin xuebao, 2022 Objectives: Although the traditional attribute-based encryption scheme achieves one-to-many access control,there are still challenges such as single point of failure,low efficiency,no support for data sharing,and privacy leakage.To solve these problems,a
Ruizhong DU, Tianhe ZHANG, Pengliang SHI
doaj +2 more sources
Multitarget decryption failure attacks and their application to Saber and Kyber [PDF]
, 2021 Many lattice-based encryption schemes are subject to a very small probability of decryption failures. It has been shown that an adversary can efficiently recover the secret key using a number of ciphertexts that cause such a decryption failure.
Jan-Pieter D\u27Anvers, Senne Batsleer
core
Rogue Decryption Failures: Reconciling AE Robustness Notions [PDF]
, 2015 An authenticated encryption scheme is deemed secure AE if ciphertexts both look like random bitstrings and are unforgeable. AE is a much stronger notion than the traditional IND---CCA. One shortcoming of AE as commonly understood is its idealized, all-or-nothing decryption: if decryption fails, it will always provide the same single error message and ...
Barwell, Guy +2 more
openaire +3 more sources
Моделирование и анализ информационных систем, 2023 The development of fast algorithms for key generation, encryption and decryption not only increases the efficiency of related operations. Such fast algorithms, for example, for asymmetric cryptosystems on quasi-cyclic codes, make it possible to ...
Andrey N. Sushko +4 more
doaj +1 more source
Anonymous Query Mechanism Construction of Timed-Release Encryption
工程科学与技术, 2022 In the real world, many problems have the need to conduct relevant operations at a specific time. Timed-release encryption (TRE) is a cryptographic primitive in which the sender specifies the decryption time of the receiver, which can meet the above ...
Ke YUAN +5 more
doaj
Robust, Revocable and Adaptively Secure Attribute-Based Encryption with Outsourced Decryption [PDF]
, 2022 Attribute based encryption (ABE) is a cryptographic technique allowing fine-grained access control by enabling one-to-many encryption. Existing ABE constructions suffer from at least one of the following limitations.
Anis Bkakria
core +1 more source
On the impact of decryption failures on the security of LWE/LWR based schemes [PDF]
, 2019 In this paper we investigate the impact of decryption failures on the chosen-ciphertext security of (Ring/Module)-Learning With Errors and (Ring/Module)-Learning with Rounding based primitives.
Verbauwhede, Ingrid +2 more
core +2 more sources
Cryptography, 2018 Secure booting within a field-programmable gate array (FPGA) environment is traditionally implemented using hardwired embedded cryptographic primitives and non-volatile memory (NVM)-based keys, whereby an encrypted bitstream is decrypted as it is loaded ...
Don Owen +6 more
doaj +1 more source
Study on the parameters of the matrix NTRU cryptosystem
河南理工大学学报. 自然科学版With the rapid development of quantum computers， post-quantum cryptography has emerged as a prominent area of research in cryptography.ObjectivesIn order to avoid the decryption failure in matrix NTRU as NTRU， the Matrix NTRU algorithm was optimized ...
LI Zichen +3 more
doaj +1 more source