Results 61 to 70 of about 311,948 (105)

Encryption in the past, present, and future : an honors thesis (HONRS 499) [PDF]

open access: yes, 2007
To ensure the confidentiality and integrity of data in storage and transit, various cryptography systems have been developed. Each of these systems has individual strengths and weaknesses.
Surma, Eric W.
core  

Adoption and sustainability of bitcoin and the blockchain technology in Nigeria. [PDF]

open access: yesInt J Inf Technol, 2023
Onyekwere E, Ogwueleka FN, Irhebhude ME.
europepmc   +1 more source

An Implementation of Trust Chain Framework with Hierarchical Content Identifier Mechanism by Using Blockchain Technology. [PDF]

open access: yesSensors (Basel), 2022
Chen HC   +10 more
europepmc   +1 more source

Automating Collision Attacks on RIPEMD-160 [PDF]

open access: yes
As an ISO/IEC standard, the hash function RIPEMD-160 has been used to generate the Bitcoin address with SHA-256. However, due to the complex double-branch structure of RIPEMD-160, the best collision attack only reaches 36 out of 80 steps of RIPEMD-160 ...
Fukang Liu, Gaoli Wang, Yingxin Li
core  

Bitcoin Protocol Main Threats [PDF]

open access: yes, 2017
In this paper we explain the basics of Bitcoin protocol and the state of the art of the main attacks to it. We first present an overview of digital currencies, showing what they are and the social need they aim to satisfy.
Di Francesco Maesa, Damiano
core  

Сравнительный анализ характеристик и принципов построения стандартов ЭЦП на свойствах эллиптических кривых [PDF]

open access: yes, 2003
Розглядаються державні та галузеві стандарти цифрового підпису, які використовують особливості еліптичних кривих. Обґрунтовуються умови необхідності введення більш криптографічно стійких алгоритмів. Робиться порівняльний аналіз прийнятих стандартів ЕЦП з
Кочубинский, Анатолий   +1 more
core  

Construction and Use Examples of Private Electronic Notary Service in Educational Institutions [PDF]

open access: yes, 2008
People have many documents. For example, a variety of documents are prepared and used in public institutions. As the internet becomes widely available in recent years, paper documents are being replaced with electronic data, which are often distributed ...
Dozono Hiroshi   +4 more
core   +1 more source

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