Electrical computers and digital processing systems: support – Multiple computer communication using cryptography – Particular node for directing data and applying cryptography
Reexamination Certificate
1999-12-10
2008-08-05
Zand, Kambiz (Department: 2134)
Electrical computers and digital processing systems: support
Multiple computer communication using cryptography
Particular node for directing data and applying cryptography
C713S179000, C713S155000, C713S176000, C726S024000, C726S022000, C726S001000
Reexamination Certificate
active
07409541
ABSTRACT:
For transporting packets between an access interface of a subscriber installation and a concentrating router of a shared network the access interface carries out control operations on streams of packets transmitted to the concentrating router, within the framework of a contract between the subscriber and a manager of the shared network. After having carried out the control operations concerning a packet to be transmitted, the access interface transmits this packet to the concentrating router with a signature based on a secret shared with the concentrating router, authenticating that the packet has been subjected to the control operations.
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Comverse France SA
Gottlieb Rackman & Reisman P.C.
Smitoski Michael J
Zand Kambiz
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