Method to generate pattern data over garbage data when encryption parameters are changed
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United States of America Patent
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Aug 6, 2019
Grant Date -
Jan 18, 2018
app pub date -
Sep 14, 2017
filing date -
Aug 25, 2014
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Abstract
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 is disclosed. 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 a predefined or custom code is returned in response to an indication of another encryption/decryption method.
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