Public Key Infrastructure (PKI) service providers need a simple, open, flexible and secure payment system. There are many transactions related with the PKI services, which are characterized by low unit price. Therefore it is obvious the mechanisms of a client’s service used by any PKI service provider should cost no more than expected cash receipts. This paper examines the types of payment system...
Financed by the National Centre for Research and Development under grant No. SP/I/1/77065/10 by the strategic scientific research and experimental development program:
SYNAT - “Interdisciplinary System for Interactive Scientific and Scientific-Technical Information”.