A cloud storage data uploading method based on data self-destruction

Abstract

The invention discloses a cloud storage data uploading method based on data self-destruction, which is used for uploading a data object and storing the data object in a data cloud server, and comprises the following steps: S1, encrypting to-be-uploaded and stored original data by using a given key to obtain a ciphertext file; S2, segmenting the secret key, generating n equal parts, wherein the value of n is specified through a safety strategy; S3, randomly selecting k equal parts from the n equal parts to form data objects M [1, k], wherein k is the number of storage nodes, and connection witheach storage node is established; S4, creating a storage object in the storage node, wherein the attribute of the storage object comprises survival time, and the corresponding equal secret key data are written into the storage object; S5, obtaining metadata information of the key data on the storage node and writing the metadata information into the head of the encrypted file; And S6, establishing a connection with a data storage system server, and if the connection is successful, uploading the encrypted file with the key metadata information by using an interface of the data storage system to finish uploading and storage.

Description

technical field [0001] The invention belongs to the technical field of computer data storage, and in particular relates to a cloud storage data upload method based on data self-destruction. Background technique [0002] Traditional data destruction technologies include the following types according to different forms of operation methods: data deletion based on the file system, data overwriting and physical level destruction. Among them, the data deletion based on the file system is divided into file deletion and device formatting according to different operation granularities. File deletion is the most direct way to delete data. It uses the methods provided by the file system to explicitly delete files or data. In mainstream file systems, file deletion only deletes the corresponding index of the file, and does not correspond to the file data. Delete the disk sectors; device formatting is to use the formatting tool provided by the file system or a third-party disk managemen...

AI Technical Summary

Problems solved by technology

However, with the increasing security challenges, the key survival time in the Vanish data self-destruct system is uncontrollable, which makes this self-destruct scheme still have great shortcomings.

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