Electrical computers and digital processing systems: support – Multiple computer communication using cryptography – Particular node for directing data and applying cryptography
Reexamination Certificate
2005-05-03
2005-05-03
Darrow, Justin T. (Department: 2132)
Electrical computers and digital processing systems: support
Multiple computer communication using cryptography
Particular node for directing data and applying cryptography
C713S171000, C380S201000, C380S202000
Reexamination Certificate
active
06889321
ABSTRACT:
Communication information transmitted in the broadband communication system may be in a packet format and secured using encryption techniques, for example encryption software, including a means for providing an initial security key and updated security keys to the various pieces of communication equipment located throughout the broadband communication system. When communication equipment, for example a gateway, is first registered with, for example, an IP central station, the IP central station assigns an initial encryption key to the gateway that is assigned and retained by a server, for example a call manager server, and the gateway (e.g., broadband residential gateway. This initial encryption key may be used to establish a secure two way communication between two pieces of communication equipment as an originating point communication equipment and a terminating point communication equipment.
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Kung Fen-Chung
Russell Jesse Eugene
Walker Hopeton
Wang Spencer
AT&T Corp.
Darrow Justin T.
Zand Kambiz
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