ENCRYPTED FLASH-BASED DATA STORAGE SYSTEM WITH CONFIDENTIALITY MODE

Raw or unencrypted data is encrypted using a standard encryption algorithm and stored in a Flash memory array. The raw or unencrypted data may be pre-processed before it is encrypted. Pre-processing may include data scrambling, pre-encryption data mixing, or both. Data scrambling may involve an inve...

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Bibliographic Details
Main Author CAMP CHARLES J
Format Patent
LanguageEnglish
Published 26.06.2014
Subjects
CALCULATING
COMPUTING
COUNTING
ELECTRIC DIGITAL DATA PROCESSING
PHYSICS
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Abstract Raw or unencrypted data is encrypted using a standard encryption algorithm and stored in a Flash memory array. The raw or unencrypted data may be pre-processed before it is encrypted. Pre-processing may include data scrambling, pre-encryption data mixing, or both. Data scrambling may involve an invertible transformation. The scrambled data may then be used to seed a sequence generator. Each output from the sequence generator may be processed using a bit-by-bit Exclusive Or (XOR) operation to impart random or pseudorandom statistical properties. Pre-encryption data mixing may combine the scrambled (or unscrambled) data with information that is unique to each chunk of data, as well as with a user-supplied secret key. This helps ensure that identical raw data chunks are not stored as identical encrypted data chunks in the Flash memory array.
AbstractList Raw or unencrypted data is encrypted using a standard encryption algorithm and stored in a Flash memory array. The raw or unencrypted data may be pre-processed before it is encrypted. Pre-processing may include data scrambling, pre-encryption data mixing, or both. Data scrambling may involve an invertible transformation. The scrambled data may then be used to seed a sequence generator. Each output from the sequence generator may be processed using a bit-by-bit Exclusive Or (XOR) operation to impart random or pseudorandom statistical properties. Pre-encryption data mixing may combine the scrambled (or unscrambled) data with information that is unique to each chunk of data, as well as with a user-supplied secret key. This helps ensure that identical raw data chunks are not stored as identical encrypted data chunks in the Flash memory array.
Author CAMP CHARLES J
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Snippet Raw or unencrypted data is encrypted using a standard encryption algorithm and stored in a Flash memory array. The raw or unencrypted data may be pre-processed...
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SubjectTerms CALCULATING
COMPUTING
COUNTING
ELECTRIC DIGITAL DATA PROCESSING
PHYSICS
Title ENCRYPTED FLASH-BASED DATA STORAGE SYSTEM WITH CONFIDENTIALITY MODE
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