Sprawozdanie z międzynarodowej konferencji „Fides et actio” Toruń 2013

FIDES ET RATIO: On the Relationship between Faith and Reason

4. Philosophy systematizes the fruits of inquiry: The journey toward truth begins in the wonder awakened by contemplation of creation and the destiny common to all human beings; to this, philosophy brings rigorous modes of thought and produces bodies of knowledge which contain a common core of logical, metaphysical, and ethical insights--implicit principles of right reason which are expressed v...

L’anneau Z Et Ses Quotients

Un anneau est un ensemble A muni de deux lois de composition internes + et × telles que (A,+) est un groupe commutatif d’élément neutre noté 0 et la loi × est associative et distributive à gauche et à droite par rapport à +. Si × admet un élément neutre 1 on dit que l’anneau est unitaire. Si × est commutative on dit que l’anneau est commutatif. L’anneau des matrices d× d pour d ≥ 2 est unitaire...

Cryptanalysis of FIDES

FIDES is a lightweight authenticated cipher, presented at CHES 2013. The cipher has two version, providing either 80-bit or 96bit security. In this paper, we describe internal state-recovery attacks on both versions of FIDES, and show that once we recover the internal state, we can use it to immediately forge any message. Our attacks are based on a guess-and-determine algorithm, exploiting the ...

Études mongoles et sibériennes, centrasiatiques et tibétaines, 43-44 | 2013

FIDES – A Middleware E-Commerce Security Solution

This paper reports on the on-going Fair Integrated Data Exchange Services (FIDES) project aimed at developing a security middleware solution to support e-commerce transactions and the provision of the important fair exchange and nonrepudiation security services. Fair exchange ensures that either both business parties participating in a transaction receive the exchanged valuable items or neither...