COUNTER INTEGRITY TREE

COUNTER INTEGRITY TREE

An apparatus comprises counter integrity tree circuitry to maintain a counter integrity tree having a plurality of nodes. The counter integrity tree circuitry is configured to store, in a first node of the counter integrity tree, an encrypted representation of two or more non-repeating counters and...

Ausführliche Beschreibung

Gespeichert in:
Bibliographische Detailangaben
Hauptverfasser: Klimov, Alexander, Avanzi, Roberto, Sandberg, Andreas Lars
Format: Patent
Sprache:eng
Schlagworte:
ELECTRIC COMMUNICATION TECHNIQUE
ELECTRICITY
TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHICCOMMUNICATION
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Beschreibung
Zusammenfassung:An apparatus comprises counter integrity tree circuitry to maintain a counter integrity tree having a plurality of nodes. The counter integrity tree circuitry is configured to store, in a first node of the counter integrity tree, an encrypted representation of two or more non-repeating counters and in a second, parent, node, an indication of a function value equal to a non-repeating function of the two or more non-repeating counters of the first node. The apparatus comprises integrity checking circuitry configured to check the integrity of the first node using the function value retrieved from the second node.