منابع مشابه
Digital Signatures, Certificates and Electronic Commerce
Cryptography as practised for 3500 years before the mid-1970s used one secret, known by both the enciphering and deciphering parties. Anyone possessing that secret (called the key) was able to do either operation. In public key cryptography there are two different keys, one used to encipher data and the other used to decipher it. While one of these keys is kept private, the other is made public...
متن کاملElectronic Cash and Hierarchical Group Signatures
In this thesis we present results in two areas, electronic cash and hierarchical group signatures. • We investigate definitions of security for previously proposed schemes for electronic cash and strengthen them so that the bank does need to be trusted to the same extent. We give an experiment-based definition for our stronger notion and show that they imply security in the framework for Univer...
متن کاملSelf-reliance and Poverty
In the current political and social climate, with its call for self-reliance as the means by which families and individuals should support themselves, the official U.S. poverty indicator may be measuring the size of a population that is of less interest to policymakers than in past years. We present here an alternative measure of poverty for the United States population that is based on a famil...
متن کاملMaking Money with Mobile Qualified Electronic Signatures
In 1999 the directive 1999/93/EC of the European Parliament and of the Council was enacted, providing a legal framework for a common introduction of electronic signatures in Europe. So far the signature market has failed miserably. Mobile electronic signatures could be a potential and promising way to increase the market acceptance of electronic signatures. In this contribution we used an infra...
متن کاملBlind Signatures in Electronic Voting Systems
Electronic voting systems are created to facilitate the election, accelerate voting and counting votes and increase turnout for the election. The main problems of the electronic systems are related with the assurance of system security (cryptographic security and protection against frauds) and a guarantee that the voters are anonymous. The authorization of voters and the anonymity of them seem ...
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ژورنال
عنوان ژورنال: Amicus Curiae
سال: 2019
ISSN: 2048-481X,1461-2097
DOI: 10.14296/ac.v2017i110.5033