Private key processing method, access method, medium and device corresponding to method

Abstract

The invention discloses a private key processing method, an access method, a medium and a device corresponding to the method. The method comprises the steps: carrying out the abstract operation of a user private key, and obtaining a private key abstract corresponding to the user private key; wherein the private key abstract corresponding to the user private key corresponds to a plurality of different private keys; encrypting the user private key by using the key of the user to obtain an encrypted private key of the user; and combining the encrypted private key of the user with the private keyabstract corresponding to the private key of the user to obtain encrypted data of the private key of the user. Due to the fact that the private key abstract corresponding to the user private key is obtained in the application, the private key abstract corresponds to a plurality of different private keys. Even if a malicious user finds a private key, the private key is consistent with a private keyabstract corresponding to the user private key after abstract operation, and the private key is not necessarily a real private key of the user, so that the risk that the malicious user cracks the real user private key is reduced.

Description

technical field [0001] The present invention relates to the technical field of information encryption, in particular to a private key processing method, an access method, and a medium and a device corresponding to the method. Background technique [0002] In the prior art, the client usually needs to encrypt and save the private key of the user. At present, the method of encrypting the user's private key is: use the encryption password input by the user to generate the user's key (key), and then use the key to encrypt the user's private key and the private key digest corresponding to the user's private key, and obtain the user's The encrypted data of the private key. Wherein, the private key digest corresponding to the user's private key is obtained by performing a digest operation on the user's private key. [0003] If the user wants to retrieve the private key, the user can enter the encryption password to the client, and the client generates a key according to the user'...

AI Technical Summary

Problems solved by technology

[0004] However, in the process of verifying whether the encrypted password provided by the user is correct, there may be cases where a malicious user obtains a successfully verified encrypted password by continuously trying to encrypt the password.

Since each private key digest almost only corresponds to one private key, the private key obtained by successfully verifying the encrypted password is very likely to be the real private key of the user, so there is a risk of malicious users cracking the real private key of the user

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