Results 31 to 40 of about 408,401 (216)

Sound Hashing Modes of Arbitrary Functions, Permutations, and Block Ciphers

open access: yesIACR Transactions on Symmetric Cryptology, 2018
Cryptographic hashing modes come in many flavors, including Merkle-Damgård with various types of strengthening, Merkle trees, and sponge functions. As underlying primitives, these functions use arbitrary functions, permutations, or block ciphers. In this
Joan Daemen   +2 more
doaj   +1 more source

A new method for solving the elliptic curve discrete logarithm problem [PDF]

open access: yesGroups, Complexity, Cryptology, 2021
The elliptic curve discrete logarithm problem is considered a secure cryptographic primitive. The purpose of this paper is to propose a paradigm shift in attacking the elliptic curve discrete logarithm problem.
Ansari Abdullah   +2 more
doaj   +1 more source

LOKI - A Cryptographic Primitive for Authentication and Secrecy Applications

open access: yesAUSCRYPT, 1990
This paper provides an overview of the LOKI encryption primitive which may be used to encrypt and decrypt a 64-bit block of data using a 64-bit key. The LOKI primitive may be used in any mode of operation currently defined for ISO DEA-1, with which it is
Lawrence Brown   +2 more
semanticscholar   +1 more source

Automatically eliminating speculative leaks from cryptographic code with blade

open access: yesProc. ACM Program. Lang., 2020
We introduce Blade, a new approach to automatically and efficiently eliminate speculative leaks from cryptographic code. Blade is built on the insight that to stop leaks via speculative execution, it suffices to cut the dataflow from expressions that ...
Marco Vassena   +7 more
semanticscholar   +1 more source

A device-independent protocol for XOR oblivious transfer [PDF]

open access: yesQuantum, 2022
Oblivious transfer is a cryptographic primitive where Alice has two bits and Bob wishes to learn some function of them. Ideally, Alice should not learn Bob's desired function choice and Bob should not learn any more than what is logically implied by the ...
Srijita Kundu   +2 more
doaj   +1 more source

Quantum advantage for probabilistic one-time programs

open access: yesNature Communications, 2018
Information Theoretically-secure deterministic programs that self-destruct after a single use are known to be impossible to implement. Here, the authors use quantum states to implement a probabilistic version of this fundamental cryptographic primitive ...
Marie-Christine Roehsner   +4 more
doaj   +1 more source

Statistical assessment – as a part of security assessment applied to a block cipher [PDF]

open access: yesRevista Română de Statistică, 2016
The security provided by the block cipher algorithms is a top modern approached issue within the specific researches. The security assessment of a block algorithm involves the assessing and testing of components, the statistical testing of algorithm and ...
Ioana Roxana Dragomir, Marilena Lazăr
doaj  

Implementation and Optimization of Zero-Knowledge Proof Circuit Based on Hash Function SM3

open access: yesSensors, 2022
With the increasing demand for privacy protection in the blockchain, the universal zero-knowledge proof protocol has been developed and widely used. Because hash function is an important cryptographic primitive in a blockchain, the zero-knowledge proof ...
Yang Yang   +7 more
doaj   +1 more source

CoP: An Ultra-Lightweight Secure Network Coding Scheme via Last Forwarder’s Proof

open access: yesTsinghua Science and Technology, 2012
Network coding can improve network efficiency by extending copy-and-forward paradigm to code-andforward paradigm. It thus imposes a security problem called pollution attack that some network coding or forwarding nodes may intentionally fabricate, modify,
Wei Ren, Linchen Yu, Liangli Ma
doaj   +1 more source

Permutable Cut-and-Choose Oblivious Transfer and Its Application

open access: yesIEEE Access, 2020
Oblivious transfer (OT) is a significant primitive with wide use in secure two-party computation, private set intersection private and other cryptographic schemes.
Xiaochao Wei   +3 more
doaj   +1 more source

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