Electrical computers and digital processing systems: support – Multiple computer communication using cryptography – Particular communication authentication technique
Reexamination Certificate
2005-02-02
2008-09-30
Vu, Kimyen (Department: 2135)
Electrical computers and digital processing systems: support
Multiple computer communication using cryptography
Particular communication authentication technique
C713S001000, C713S002000, C713S169000, C713S175000, C713S189000, C709S220000, C709S228000, C709S229000, C726S014000
Reexamination Certificate
active
07430664
ABSTRACT:
A method for securely provisioning a device for operation within a service provider infrastructure over an open network comprises the device establishing physical and data link layer network connections for communication on at least a subnet of the open network and obtaining a network configuration data such as an IP address and a subnet mask from a provisioning server that responds to a network configuration broadcast request. A device establishes a secure hypertext transport protocol connection to a first provisioning server that corresponds to one of: i) and IP address and port number; and ii) a fully qualified domain name stored in a non-volatile memory of the device. After mutual authentication, the first provisioning server provides at least one of: i) a configuration file; and ii) identification of a second provisioning server and a cipher key through the secure connection. If the first provisioning server provided identification of a second provisioning server, the device establishes a transport connection to the identified second provisioning server. The second provisioning server provides an encrypted file which, when decrypted using the cipher key yields the configuration information needed by the device for operation with the service provider infrastructure.
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Lee Chih-Ping
Zhu Yuesheng
Dada Beemnet W
Innomedia Pte, Ltd
O'Hagan Timothy P.
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