Certificate application method, device and equipment

Abstract

The invention discloses a certificate application method, device and equipment, and the method comprises the steps: a terminal encrypting a certificate application request carrying an encryption public key through a public key of an anonymous certificate issuing system PCA, and obtaining an encrypted certificate application request; wherein the encryption public key is generated by the terminal; sending the encrypted certificate application request to an access authentication system RA, the RA receiving the encrypted certificate application request, and sending the encrypted certificate application request to the PCA through the RA, so that the PCA decrypts the encrypted certificate application request to obtain the encrypted public key, encrypts the encrypted public key into an anonymouscertificate generated by the terminal, and sends the anonymous certificate to the RA; and receiving the anonymous certificate sent by the RA. According to the application, the encrypted public key ofthe terminal at one side of the certificate issuing mechanism is not leaked in the certificate application process, so that the information security of the certificate encrypted by using the encryptedpublic key is ensured, and finally, the information security of the terminal using the certificate for communication is ensured.

Description

technical field [0001] This application relates to the field of data processing, in particular to a certificate application method, device and equipment. Background technique [0002] In the field of information security, before each terminal performs information communication, it is necessary to apply for a certificate to an authority responsible for issuing and managing digital certificates, that is, a certificate authority (Certificate Authority; CA). [0003] Certificates are usually divided into explicit certificates and implicit certificates. At present, explicit certificates are widely used in many fields in our country. However, compared with implicit certificates, the defect of explicit certificates is that the public key information in the process of certificate application is It is explicit and remains unchanged, and once the public key information is leaked, the relevant information of the corresponding terminal will also be leaked, which seriously threatens the ...

AI Technical Summary

Problems solved by technology

[0003] Certificates are usually divided into explicit certificates and implicit certificates. At present, explicit certificates are widely used in many fields in our country. However, compared with implicit certificates, the defect of explicit certificates is that the public key information in the process of certificate application is It is explicit and remains unchanged, and once the public key information is leaked, the relevant information of the corresponding terminal will also be leaked, seriously threatening the information security of the terminal

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