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The paper supports a debate concerning the meaning and the importance of redundancy and ergodicity in cryptography. The discussion is mainly organized around a very thought-provoking enciphering method, running-key cipher. The paper comes with a new view of running-key method which permits to resume and extend it for ergodic sources in order to provide good(More)
Session title: epidemiology, subtypes, regional issues O1 HIV-1 diversity in Bulgaria (current molecular epidemiological picture) Objectives In Bulgaria 1606 cases with HIV/AIDS were diagnosed from 1986 until 2012. Epidemiological data indicated greater heterogeneity of HIV-1 positive population, including minority groups, migrants, and recent increase of(More)
The paper presents a detailed analysis of two types of pseudorandom binary sequence generators obtained by using tent map. The test is performed using a NIST statistical test suite which is widely used for testing the randomness of any random number generator. The binary sequences under investigation are obtained either by considering all the successive(More)
  • Ing Adriana Vlad, Jean-Pierre Barbot, Referent Prof Krishna Busawon, Referent Prof Ma¨ı Nguyen-Verger, Referent Ing Prof, Radu Dogaru +27 others
  • 2013
Procedee de cifrare/descifrare folosind sisteme haotice. Analiz˘ a bazat˘ a pe metode statistice¸si teoria controlului sistemelor. Encryption/decryption methods using chaotic systems. Analysis based on statistical methods and control system theory.Acknowledgements First of all, I want to express my gratitude to my Thesis Directors, Professor Adriana Vlad(More)
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