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Tytuł: Asymmetric cryptography and practical security, Journal of Telecommunications and Information Technology, 2002, nr 4

Autor:

Pointcheval, David

Data wydania:

2002, nr 4

Typ zasobu:

artykuł

Opis:

Since the appearance of public-key cryptography in Diffie-Hellman seminal paper, many schemes have been proposed, but many have been broken. Indeed, for many people, the simple fact that a cryptographic algorithm withstands cryptanalytic attacks for several years is considered as a kind of validation. But some schemes took a long time before being widely studied, and maybe thereafter being broken. A much more convincing line of research has tried to provide “provable” security for cryptographic protocols, in a complexity theory sense: if one can break the cryptographic protocol, one can efficiently solve the underlying problem. Unfortunately, very few practical schemes can be proven in this so-called “standard model” because such a security level rarely meets with efficiency. A convenient but recent way to achieve some kind of validation of efficient schemes has been to identify some concrete cryptographic objects with ideal random ones: hash functions are considered as behaving like random functions, in the so-called “random oracle model”, block ciphers are assumed to provide perfectly independent and random permutations for each key in the “ideal cipher model”, and groups are used as black-box groups in the “generic model”.In this paper, we focus on practical asymmetric protocols together with their “reductionist” security proofs. We cover the two main goals that public-key cryptography is devoted to solve: authentication with digital signatures, and confidentiality with public-key encryption schemes.

Wydawca:

Instytut Łączności - Państwowy Instytut Badawczy, Warszawa

Format:

application/pdf

Identyfikator zasobu:

oai:bc.itl.waw.pl:676 ; ISSN 1509-4553, on-line: ISSN 1899-8852

DOI:

10.26636/jtit.2002.4.146

ISSN:

1509-4553

eISSN:

1899-8852

Źródło:

Journal of Telecommunications and Information Technology

Język:

ang

Prawa:

Biblioteka Naukowa Instytutu Łączności

Temat i słowa kluczowe:

cryptography provable security random oracle model digital signatures public-key encryption

Kolekcje, do których przypisany jest obiekt:

Data ostatniej modyfikacji:

28 maj 2024

Data dodania obiektu:

19 kwi 2010

Liczba wyświetleń treści obiektu:

138

Wszystkie dostępne wersje tego obiektu:

https://bc.itl.waw.pl/publication/751

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Nazwa wydania Data
Pointcheval, David, Asymmetric cryptography and practical security, Journal of Telecommunications and Information Technology, 2002, nr 4 28 maj 2024

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Instytut Łączności – Państwowy Instytut Badawczy ul. Szachowa 1 04-894 Warszawa

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(+48) 5128 696

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biblioteka@il-pib.pl

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