Hard-disc fan-area data enciphering and deciphering method and system

A data encryption and sector-level technology, which is applied in the field of storage security in computer technology, can solve problems such as low security and slow encryption/decryption speed, and achieve the effects of improving security, increasing difficulty, and increasing flexibility
CN1936870AInactive Publication Date: 2007-03-28ZHEJIANG XUNBO INFORMATION ENG
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
ZHEJIANG XUNBO INFORMATION ENG
Publication Date
2007-03-28
Estimated Expiration
Not applicable · inactive patent

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Abstract

This invention discloses an encryption and decryption method for data in hardware. It consists of several steps: obtain the key by reading data from the ROM; obtain the original key by the expending mechanism; operate the logic address and the sequence number and shift the result to get the address key; encryption on the address key by the original key to form a key flow; encryption and decryption on transmitting data. This invention could enhance data security on storage device and protect them from missing.
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Description

technical field

[0001] The invention relates to the storage security field in computer technology, in particular to a hard disk sector-level storage security method and structure. Background technique

[0002] The two forms of data, data in transmission (Data-in-Flight) and data in storage (Data-in-Rest), determine that data security includes two major areas: network security and storage security. Compared with storage security, there have been a lot of research results on network security, including IPSec (IP Layer Security Protocol), SSL (Secure Sockets Layer), PPTP (Point-to-Point Tunneling Protocol), PEM ( Secret Enhanced Mail) and PGP (Perfect Precision Privacy), etc. In recent years, as more and more information exists in the form of storage, especially with the development of network storage (SAN and NAS), people gradually realize the importance of storage security. In addition to performance, capacity, and reliability, security has become an important feature of st...

Claims

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