System for proximity determination

Details System for proximity determination System for proximity determination

2005-05-11

2011-11-01

Srivastava, Vivek (Department: 2433)

Electrical computers and digital processing systems: support

Multiple computer communication using cryptography

Particular communication authentication technique

C713S161000, C726S002000, C380S270000

Reexamination Certificate

active

08051292

ABSTRACT:
In connection with network elements in a network, enhancing security by measuring proximity between elements, that are communicating with each other, by using facilities of secure devices and secure elements in the network. In some embodiments, secured information stored in a device certificate comprises a device processing delay, and the device processing delay is used in calculating a net response time which is compared to a threshold.

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