DEDUPLICATION OF CLIENT ENCRYPTED DATA

Plaintext data is encrypted to produce ciphertext which is transmitted along with a hash of the plaintext data and corresponding metadata comprising an initialization vector and information about the encryption key version used to encrypt the plaintext data to a backend storage system. The encrypted...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: Perlman, Radia J, Ponnuswamy, Senthilkumar
Format: Patent
Sprache:eng
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Beschreibung
Zusammenfassung:Plaintext data is encrypted to produce ciphertext which is transmitted along with a hash of the plaintext data and corresponding metadata comprising an initialization vector and information about the encryption key version used to encrypt the plaintext data to a backend storage system. The encrypted ciphertext is deduplicated at the backend storage system (without first decrypting it) using the hash and stored based upon the metadata.