TECHNOLOGIES FOR REAL-TIME UPDATING OF ENCRYPTION KEYS

TECHNOLOGIES FOR REAL-TIME UPDATING OF ENCRYPTION KEYS

Techniques for real-time updating of encryption keys are disclosed. In the illustrative embodiment, an encrypted link is established between a local and remote processor over a point-to-point interconnect. The encrypted link is operated for some time until the encryption key should be updated. The l...

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Hauptverfasser: Kar, Tanmoy, Gadey, Siva Prasad, Yap, Kirk S, Abraham, Vinit Mathew, Makaram, Raghunandan
Format: Patent
Sprache:eng
Schlagworte:
ELECTRIC COMMUNICATION TECHNIQUE
ELECTRICITY
TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHICCOMMUNICATION
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creator Kar, Tanmoy
Gadey, Siva Prasad
Yap, Kirk S
Abraham, Vinit Mathew
Makaram, Raghunandan
description Techniques for real-time updating of encryption keys are disclosed. In the illustrative embodiment, an encrypted link is established between a local and remote processor over a point-to-point interconnect. The encrypted link is operated for some time until the encryption key should be updated. The local processor sends a key update message to the remote processor notifying the remote processor of the change. The remote processor prepares for the change and sends a key update confirmation message to the local processor. The local processor then sends a key switch message to the remote processor. The local processor pauses transmission of encrypted message while the remote processor completes use of the encrypted message. After a pause, the local processor continues sending encrypted messages with the updated encryption key.
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subjects ELECTRIC COMMUNICATION TECHNIQUE
ELECTRICITY
TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHICCOMMUNICATION
title TECHNOLOGIES FOR REAL-TIME UPDATING OF ENCRYPTION KEYS
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