Method, device and system for resetting protection password based on server decrypted ciphertext
A technology for protecting passwords and servers, applied in the field of data security, can solve problems such as user losses, transactions cannot be verified, losses, etc., and achieve the effect of avoiding major losses
Active Publication Date: 2019-08-09
BEIJING RZXT TECH DEV CO LTD
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Problems solved by technology
[0003] However, when the user forgets the protection password, the ciphertext cannot be unlocked to obtain important electronic files, thereby causing losses to the user.
Especially when the electronic file is a public-private key pair, if the user forgets the protection password and cannot obtain the public-private key pair, the transaction signed by the public-private key pair will not be verified, resulting in heavy losses
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[0035] Exemplary embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. Although exemplary embodiments of the present disclosure are shown in the drawings, it should be understood that the present disclosure may be embodied in various forms and should not be limited by the embodiments set forth herein. Rather, these embodiments are provided for more thorough understanding of the present disclosure and to fully convey the scope of the present disclosure to those skilled in the art.
[0036] The embodiment of the present invention provides a method of resetting the protection password based on the server decrypting the ciphertext, the method is applied to the client, such as figure 1 As shown, the method mainly includes:
[0037] 101. Obtain the decryption key and reset key input when resetting the protection password;
[0038] Wherein, the decryption key is the key for decrypting the ciphertext generated accor...
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The invention discloses a protective password resetting method, device and system based on a decryption cryptograph of a server, relates to the technical field of data security, and can be used to reset a protective function under the condition that a user forgets the protective password. The method mainly comprises that a decryption secret key and a resetting secret key input when the protective password is reset are obtained, the decryption secret key is a secret key used for the decryption cryptograph and generated according to biological characteristic information of the human body, the resetting secret key is a plaintext secret key used to re-encrypting the cryptograph and generated according to the reset protective password, and the cryptograph corresponding to plaintext comprises cryptograph of the biological characteristic information of the human body and cryptograph whose secret key type belongs the protective password; and a user ID, the decryption secret key and the resetting secret key are sent to the server, so that the server resets the protective password for the cryptograph corresponding to the user ID according to the decryption secret key and the resetting secret key. The method, device and system are mainly suitable for occasions in which the protective password is reset by utilizing the biological characteristic information of the human body.
Description
technical field [0001] The present invention relates to the technical field of data security, in particular to a method, device and system for resetting protection passwords based on server decrypted ciphertext. Background technique [0002] With the development of Internet technology, people are gradually accustomed to storing the data needed in work or life in electronic form in computers. In practical applications, people often save some electronic files locally on the client side for the convenience of query. However, since the client is vulnerable to attacks, in order to avoid the risk of some important electronic files (such as public-private key pairs), these electronic files are often encrypted with a protection password first, and then the ciphertext is sent to the server for storage. When the electronic file needs to be used, the terminal will display a protection password input prompt box, and then the terminal can decrypt the ciphertext through the input protect...
Claims
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IPC IPC(8): H04L9/08H04L9/32H04L29/06
CPCH04L9/0866H04L9/3226H04L63/0428H04L63/06
Inventor 谭智勇宋承根钟峰王子龙张勇
Owner BEIJING RZXT TECH DEV CO LTD