METHODS AND APPARATUS FOR COMMUNICATION BETWEEN PROCESSING CIRCUITRY AND A PERIPHERAL DEVICE

Examples of the present disclosure relate to an apparatus comprising interface circuitry to interface with one or more peripheral devices, processing circuitry to execute software to communicate with a given peripheral device of the one or more peripheral devices, trusted execution environment circu...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	SPINALE, Nicholas Costas, BRYANT, Guilhem Floréal, PETRI, Gustavo Federico, MULLIGAN, Dominic Phillip
Format:	Patent
Sprache:	eng
Schlagworte:	CALCULATING COMPUTING COUNTING ELECTRIC DIGITAL DATA PROCESSING PHYSICS
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Beschreibung
Zusammenfassung:	Examples of the present disclosure relate to an apparatus comprising interface circuitry to interface with one or more peripheral devices, processing circuitry to execute software to communicate with a given peripheral device of the one or more peripheral devices, trusted execution environment circuitry communicatively coupled to the interface circuitry and the processing circuitry. The trusted execution circuitry is configured to: receive a transmission from one of the processing circuitry and the given peripheral device to the other one of the processing circuitry and the given peripheral device; and apply a control policy in respect of the received transmission and, based on the control policy, determine whether to forward the received transmission to said other one of the processing circuitry and the given peripheral device.