Computer program product and computer system for...

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2009-07-13

2011-12-27

Cervetti, David Garcia (Department: 2436)

Electrical computers and digital processing systems: support

Multiple computer communication using cryptography

Protection at a particular protocol layer

C713S155000, C713S169000

Reexamination Certificate

active

08086847

ABSTRACT:
An encrypted request for peer-to-peer communication includes a requesting peer encrypting a requested peer identification using a public key of a security agent. The requesting peer sends the encrypted request to a security agent, which generates a first encrypted instance of the session key using a public key of the requested peer and a second encrypted instance of the session key using a public key of the requesting peer. The first encrypted instance of the session key is sent to the requested peer and the second encrypted instance of the session key is sent to the requesting peer. The requesting peer encrypts data using the second encrypted instance of the session key and sends the encrypted data to the requested peer, which decrypts the encrypted data using the first instance of the encrypted session key.

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