Each year many conferences will be held by government agencies, large corporations, and universities, the conference organization is very complex and involves many works to do. The registration and identity authentication is very important for the conference management, especially for the conference which its conifdentiality requirement is high. However the current solutions for conference identity authentication are usually verifying cards artiifcially, using smart cards and RFID cards, which have the problems of information leakage, certiifcates forgery and resources waste etc. In order to solve the problems, this paper constructs a conference identity authentication system mixing together the technologies of two-dimensional bar code, face recognition, digital signatures and decoding and encoding two-dimensional bar code. This system can prevent the problems of information leakage and identity forgery, which ensures the safe and order of the conference. This system has a certain value for the conference which the security requirements are high.%政府机关、大型企业以及高等院校等单位每年都要举行很多会议,会议的组织工作千头万绪,而会议管理中的会议注册和身份认证又是非常重要的一个环节,尤其是对于保密性要求程度较高的单位则更是如此.当前的会议身份认证普遍采用人工核对证件、智能卡证件和 RFID 卡证件等手段,但这些方法往往存在信息易泄露、证件易伪造以及资源浪费等缺点.针对上述问题,文章设计并实现了一个融合二维码、人脸识别以及数字签名等技术的会议身份认证系统.该系统可以有效避免参会者的身份信息泄露和身份仿冒等问题,从而为会议的安全有序进行提供了保障.因此,对于安全级别要求较高的会议来说,该系统具有一定的应用价值.
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