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Radimír Rexa

UNICOM Ltd., Slovakia

Education :

ČVUT – Faculty of Nuclear Sciences and Physical Engineering – Ing. 1978, PhD 1985


By the year 1990 he worked at the Faculty of Science of P. J. Šafarik University in Košice as research employee. Since 1990 he has worked in company UNICOM UNIversal computer COMmunication, Ltd as its chief executive. He has been the author of tens special papers and presentations on special occasions, the author of the monograph "Electronic Signature - Key to Modern Electronic Services" and the editor of three annual international conferences on electronic signature. The company UNICOM acted as the distributor of U.S.Robotics modems in Czech and Slovak market, since 1992 it has attended to solutions for remote data communication with the electronic signature utilizing.

Presentation: The eRegistry and its Simple Version EZU

  • Electronic Registry and its Simpler form EZU   |   Kongres ITAPA 2005

    Electronic registry enables to send and to take over “registered electronic documents with advice of delivery“ easily anywhere in the world, 24 hours a day, 7 days a week, keeping the highest confidence of exchanged documents and the evidence of their sending or delivery.

    In this contribution two solution of such system are compared:
    1. Public Electronic Registry (VEPO), which requires the private key and the certificate of the public key for the system entering and for any transaction confirmation (e.g. document registration etc.) or
    2. Electronic Data Collection (EZU), enabling even an easier way of authentication and transaction confirmation.
  • The first public electronic registry (VEPO)   |   Kongres ITAPA 2003
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