Random secret value IBC identity authentication method based on digital fingerprint
A digital fingerprint and identity authentication technology, which is applied in user identity/authority verification and key distribution, and can solve the problems of biometric template information leakage and other issues
Inactive Publication Date: 2014-09-24
SOUTH CHINA UNIV OF TECH
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In addition, there is a shortcoming in the existing biometric-based identity authentication technology. Storing biometric template information is easy to cause leakage, and the security of biometric templates is a key issue in a secure biometric system.
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[0036] The IBC identity authentication method based on digital fingerprint random secret value of the present invention is based on fingerprint feature vector and random secret value analysis method for identity authentication, and the process is divided into two parts: user registration and user identity verification.
[0037] The user registration process of IBC identity authentication based on digital fingerprint random password value includes: 1. The user's private key is jointly generated by the user ID, password PW, and the system master key generated by the PKG server. At the same time, the PKG server digitally signs the user's private key; 2. ), collect user digital fingerprint information and encrypt it to generate user identity information; 3), PKG server generates user identity certificate according to user ID, password PW, user identity information, user identity certificate time limit and digital signature, send and save to the user authentication server, and at th...
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The invention discloses a random secret value IBC identity authentication method based on a digital fingerprint. The random secret value IBC identity authentication method based on the digital fingerprint comprises the steps that (1) a user private key is jointly generated according to a user ID, a password PW and a system main secret key generated by a PKG server, digital fingerprint information of the user is encrypted, and user identity mark information is generated; (2) the PKG server generates a user identity credential according to the user ID, the password PW, a fingerprint feature ciphertext and a user identity credential time limit and sends and stores the user identity credential to a user authentication server; (3) the user authentication server deduces the authenticity of the user identity mark information according to stored user identity credential information and a fingerprint feature threshold value. The random secret value IBC identity authentication method based on the digital fingerprint has good authentication, privacy and non-repudiation performance, and is suitable for identity authentication among entities in a monitoring system.
Description
technical field [0001] The invention relates to an authentication method, in particular to a method for IBC identity authentication based on a random cryptographic value of a digital fingerprint, and belongs to the technical field of information system security and digital fingerprint identification. Background technique [0002] With the application of computer technology and network communication technology in the monitoring system, it is very convenient to monitor equipment or environments in different regions. Users can log in to the system anytime and anywhere to conveniently view various information. While informatization and networking bring convenience to users, threats such as network attacks, information tampering, and virus Trojan horses also have a serious impact on system credibility. [0003] Illegal network intrusion and identity impersonation affect the credibility of the subject's identity in the system platform. Identity authentication is to determine the l...
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IPC IPC(8): H04L9/32H04L9/08
Inventor 刘桂雄余长庚徐静洪晓斌
Owner SOUTH CHINA UNIV OF TECH