Public-key certificate issuance request processing system...

Electrical computers and digital processing systems: support – Multiple computer communication using cryptography – Central trusted authority provides computer authentication

Reexamination Certificate

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Reexamination Certificate

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07149894

ABSTRACT:
Provided is a structure enabling dispersion of a load that is incurred by a public key certificate issuer authority or a registration authority. The structure has an issuer authority that issues a public key certificate and registration authorities each of which receives and examines a request for issuance of a public key certificate made by an end entity, wherein the registration authorities are hierarchically structured. Each of registration authorities of a hierarchical level manages registration authorities that rank immediately below or end entities. The registration authority receives a request for issuance of a public key certificate and examines it. This means that a load each registration authority must incur for processing is dispersed. One hierarchical structure of registration authorities is formed under any of various standards which stipulates a security policy, scalability, geographical classification, functional classification, or an organization.

REFERENCES:
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patent: 5799096 (1998-08-01), Liao
patent: 6035402 (2000-03-01), Vaeth et al.
Lions, B., “A public authentication framework for Australia,” Privacy & Policy Reporter 3 PLPR 28, 1996.
Diffie, W., “Authentication and Authenticated Key Exchanges,” Designs, Codes and Cryptography, Kluwer Academic Publishers, 1992.

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