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Data memory method

A data storage and data technology, applied in the direction of memory address/allocation/relocation, etc., can solve the problem of low security and achieve the effect of improving data security and reliability

Active Publication Date: 2011-03-30
BYD CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0005] The purpose of the present invention is to provide a data storage method with simple storage method and high data reliability in order to overcome the defect of low security of the data storage method in the prior art

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Embodiment Construction

[0012] The present invention will be described in detail below in conjunction with the accompanying drawings.

[0013] As shown in Fig. 1, the present invention provides a kind of data storage method, and this method comprises the following steps: (a) divide the data to be stored into a plurality of segmentation data; The verification data, the verification data includes the checksum of the plurality of divided data and the bitwise exclusive OR result of the plurality of divided data and the checksum; and (c) the plurality of divided data The split data and the generated verification data are stored in the storage area.

[0014] Wherein, the data to be stored may be divided according to the size of the storage unit. For example, generally, the size of a storage unit is 8 bits, that is, one byte, so data can be divided in units of bytes.

[0015] Wherein the number of storage areas in the step (c) is multiple, the plurality of split data and the generated verification data ar...

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Abstract

The invention provides a data storage method, which comprises the following steps that firstly dividing to-be-stored data into a plurality of divided data, secondly generating calibration data corresponding to a plurality of divided data, including the calibration of the divided data, and the bitwise exclusive or result between a plurality of divided data and the calibration, and finally storing a plurality of divided data and the generated calibration data into a storage region. When the data storage method in the invention is used to store data, data can be assured to store in the storage region more accurately as the calibration data in the method of the invention has one more calibration than the calibration data of the prior art.

Description

technical field [0001] The invention relates to a data storage method. Background technique [0002] Data storage is widely used in various fields. Generally, the data to be stored is divided into multiple divided data according to the size of the storage unit, and then the multiple divided data are stored in the memory. [0003] However, for some data requiring higher security and reliability, it is necessary to calculate a verification data according to the plurality of divided data, and store the verification data together with the plurality of divided data into the memory In this way, when a certain segmented data is damaged, the damaged segmented data can be recovered according to the check data and other undamaged segmented data. [0004] The check data in the prior art is usually the bitwise XOR result or checksum of the plurality of split data. Although this kind of check data can restore the damaged split data when a split data is damaged, when When multiple split...

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G06F12/06
Inventor 周波祖波徐循进
Owner BYD CO LTD