SOFTWARE-BASED ENTROPY SOURCE BASED ON DRAM ACCESS LATENCIES

In one set of embodiments, a computer system can initiate a memory stress test on a memory subsystem of the computer system, where the memory subsystem including a dynamic random access memory (DRAM). Then, while the memory stress test is running, the computer system can execute a plurality of acces...

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Bibliographische Detailangaben
Hauptverfasser: Abraham, Ittai, Manferdelli, John, Markuze, Alex, Golikov, Igor, Yanai, Avishay
Format: Patent
Sprache:eng
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Zusammenfassung:In one set of embodiments, a computer system can initiate a memory stress test on a memory subsystem of the computer system, where the memory subsystem including a dynamic random access memory (DRAM). Then, while the memory stress test is running, the computer system can execute a plurality of access operations for accessing the DRAM, measure the time taken to complete each access operation, combine the measured times to compute a value, and output the value as an entropy sample.