Method and apparatus to generate zero content over garbage data when encryption parameters are changed

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United States of America Patent

PATENT NO 9959218
SERIAL NO

15226639

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Abstract

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A memory device including at least one memory location for storing information representing data written using a first encryption/decryption method, and a read channel using a second encryption/decryption method for reading and decrypting information as written. The memory device also includes an apparatus that prevents the reading of the at least one memory location using the second encryption/decryption method, in response to an indication that the at least one memory location was written using the first encryption/decryption method. In another embodiment, a reading of all zeroes is returned in response to an indication of another encryption/decryption method.

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Patent Owner(s)

Patent OwnerAddress
SANDISK TECHNOLOGIES INC951 SANDISK DRIVE LEGAL DEP MILPITAS CA 95035

International Classification(s)

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  • 2016 Application Filing Year
  • H04L Class
  • 37326 Applications Filed
  • 27972 Patents Issued To-Date
  • 74.94 % Issued To-Date
Click to zoom InYear of Issuance% of Matters IssuedCumulative IssuancesYearly Issuances20162017201820192020202120222023202420250255075100

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Gerhart, Darin Edward Oronoco, US 36 163
Lappi, Cory Rochester, US 31 117
Lipps, Daniel Robert Kasson, US 9 95
Walker, William Jared Rochester, US 23 55

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Citation count rangeNumber of patents cited in rangeNumber of patents cited in various citation count ranges1588587498833816210536231053701 - 1011 - 2021 - 3031 - 4041 - 5051 - 6061 - 7071 - 8081 - 9091 - 100100 +0500100015002000250030003500400045005000550060006500

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