Electrical computers and digital processing systems: support – Multiple computer communication using cryptography – Central trusted authority provides computer authentication
Reexamination Certificate
2006-01-31
2006-01-31
Darrow, Justin T. (Department: 2132)
Electrical computers and digital processing systems: support
Multiple computer communication using cryptography
Central trusted authority provides computer authentication
C713S156000, C713S171000, C713S152000, C380S279000, C705S069000
Reexamination Certificate
active
06993652
ABSTRACT:
Method and system for providing client privacy on the Internet when the client requests content from a public application server. The method is well-suited to key management protocols that utilize the concept of tickets. The client name or identity is encrypted in all key management messages where the client is requesting a ticket for a specific application server. The key management messages are between the client and a key distribution center (KDC) and between the client and the specific application server. The KDC does not provide the client name or identity in the clear in such messages. This prevents the client's identity from being linked with the content provided by the specific application server, which results in improved user privacy.
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PCT International Search Report, United States International Search Authority (US/ISA), from corresponding PCT Application No. PCT/US02/30267 mailed Mar. 21, 2003, four pages.
J. Kohl and C. Neuman; The Kerberos Network Authentication Service (V5); Sep. 1993; 61 pages (pp. 1-11, 16-35, and 38-67); http://www.ietf.ort/rfc/rfc 1510.txt.
Darrow Justin T.
General Instrument Corporation
Marley Robert P.
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