HARDWARE SECURITY MODULE SYSTEMS AND METHODS

Systems and methods for ensuring data security. A MAC is computed sequentially for each selected message from a data log that contains at least two messages. To build a data block, a preset encryption key is used for a first message and an encryption key for the previous message is used for subseque...

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Bibliographische Detailangaben
Hauptverfasser:	Dyakin, Pavel V, Kulagin, Dmitry A
Format:	Patent
Sprache:	eng
Schlagworte:	CALCULATING COMPUTING COUNTING ELECTRIC COMMUNICATION TECHNIQUE ELECTRIC DIGITAL DATA PROCESSING ELECTRICITY PHYSICS TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHICCOMMUNICATION
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Beschreibung
Zusammenfassung:	Systems and methods for ensuring data security. A MAC is computed sequentially for each selected message from a data log that contains at least two messages. To build a data block, a preset encryption key is used for a first message and an encryption key for the previous message is used for subsequent messages. A determination that the data log is compromised can be made based on MAC data block data and an independent calculation of a MAC.