Method and system for safely downloading certificate

A certificate and security technology, applied in the field of information security, can solve problems such as single authentication method and counterfeit smart key equipment
CN101977193BActive Publication Date: 2013-11-13FEITIAN TECHNOLOGIES
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Patent Information

Authority / Receiving Office
CN Β· China
Patent Type
Patents(China)
Current Assignee / Owner
FEITIAN TECHNOLOGIES
Publication Date
2013-11-13

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Abstract

The invention discloses a method and a system for safely downloading a certificate, belonging to the field of information safety. The method for safely downloading a certificate comprises the following steps of: establishing a connection between intelligent key equipment and a client side; after the client side receives a request for downloading a certificate, issuing a command for generating a trading key pair; generating a trading public key and a trading private key by the intelligent key equipment with a generation algorithm, and signing the trading public key according to a locally stored protective private key; generating a certificate request data packet by the client side; acquiring a birth certificate and a trading public key signature, locally stored in the intelligent key equipment, by the client side and sending the birth certificate, the trading public key signature and the certificate request data packet to a service side; judging whether the received birth certificate is legal or not, if not, returning an error to the client side, if so, judging whether the trading public key signature is legal or not, if not, returning an error to the client side, and if so, signing and issuing the certificate and sending the certificate to the client side; and writing the certificate into the intelligent key equipment by the client side.
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Description

technical field

[0001] The invention belongs to the field of information security, in particular to a method and system for safely downloading certificates. Background technique

[0002] In the prior art, the user binds the smart key device with the server at the counter, that is, the server stores the number of the legal smart key device, and when the certificate is downloaded, the server compares whether the number of the smart key device is consistent with the saved number , consistent, the certificate download is allowed, and inconsistent, the certificate download is rejected, although to some extent it can effectively prevent the user from using a fake smart key device to download the certificate. However, after all, the authentication method is single, and there is still the possibility of counterfeiting smart key devices in theory. Therefore, reinforcement is required to ensure the security of certificate downloads. Contents of the invention

[0003] The present in...

Claims

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