Cloud storage safety control method

A technology of security control and cloud storage, which is applied in the field of cloud storage to achieve the effect of ensuring security

Active Publication Date: 2013-11-13
北京书生信息技术有限公司
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  • Abstract
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Problems solved by technology

[0002] With the development of science and technology, cloud storage has become more and more a trend, and various cloud storage technologies emerge in endlessly. In order to ensure the ...

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  • Cloud storage safety control method

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Embodiment Construction

[0010] The present invention will be described in further detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.

[0011] In the cloud storage security control method provided by the embodiment of the present invention, after the user registers, a user password will be set. The system's password file or password field stores a digest of the original user's password. When the user logs in, convert the user password entered by the user into a summary value, and then compare the user password summary value entered by the user with the user password summary value stored in the system's password file or password field. If they are the same, the user password is correct and the user is allowed to log in.

[0012] When the user logs in, the system will distribute keys, such as public-private key pairs, to the u...

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Abstract

Disclosed is a method for security control of cloud storage, which ensures the security of a cloud storage key. The method includes: encrypting a key issued to each user using a user password and a master key respectively, and storing two pieces of key ciphertext; when the user password is lost, decrypting the user key using the master key, and encrypting the user key using a new user password; and updating the user key ciphertext which is encrypted by the original user password using a piece of user key ciphertext which is encrypted by the new user password.

Description

technical field [0001] The invention relates to the field of cloud storage, in particular to a method for cloud storage security control. Background technique [0002] With the development of science and technology, cloud storage has become more and more a trend, and various cloud storage technologies emerge in endlessly. In order to ensure the security of cloud storage data, various encryption methods are usually used to ensure data security, but how to ensure encryption? Key security has become a new issue of cloud storage security. Contents of the invention [0003] An embodiment of the present invention provides a cloud storage security control method to ensure the security of a cloud storage key. [0004] A method for cloud storage security control provided by an embodiment of the present invention includes: [0005] Use the user password and master key to encrypt the key issued to each user, and save two key ciphertexts; [0006] When the user password is lost, us...

Claims

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Application Information

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IPC IPC(8): H04L9/08H04L29/08
CPCH04L9/0822H04L9/0863H04L9/0891H04L9/0894
Inventor 金友兵王东临
Owner 北京书生信息技术有限公司
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