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基于二维码的图书防伪技术研究

发布时间:2019-05-30 08:43
【摘要】:随着市场经济的不断发展,图书盗版泛滥成灾,严重的损害了生产者和消费者的合法利益。纵观我国目前的图书防伪技术大概有数码防伪和激光全息防伪技术。数码防伪虽然其成本不高,但查询需要支付额外的费用。据不完全统计,数码查询率很低(不足5%),这恰好给造假者提供了盗版的机会。激光全息防伪技术消费者识别比较困难,而且激光编码机造价昂贵,中小企业难以采用,一旦造假者拥有了这种装备,其防伪作用立即失效。 二维码技术是在一维码基础上发展起来的一种自动识别技术,随着智能手机的不断发展,二维码技术在世界各国得到了广泛应用。二维码相对于一维码,具有存储容量大、编码范围广、容错能力强、译码可靠性高并可以引入加密措施等特点。二维码的特点使它能够广泛应用于各种防伪领域,本文应用于图书防伪研究。 本文针对现有防伪技术的不足,采用QR二维码为存储信息的载体并结合RSA公钥加密技术,研究与实现了一个以图书防伪为实例的防伪系统,实现了QR二维码的生成、识别和信息加密等模块功能。防伪流程是对每本图书相关信息的录入后,然后采用RSA的公钥对唯一编号编码进行加密并生成二维码图片,将此二维码图片标贴于图书的合理位置,最后消费者通过扫描二维码图片得到密文,通过系统私钥解密查询来确定图书的真伪。
[Abstract]:With the continuous development of market economy, book piracy is rampant, which seriously damages the legitimate interests of producers and consumers. Throughout the current book anti-counterfeiting technology in China, there are probably digital anti-counterfeiting and laser holographic anti-counterfeiting technology. Although the cost of digital anti-counterfeiting is not high, but the query needs to pay an additional fee. According to incomplete statistics, the digital inquiry rate is very low (less than 5%), which happens to provide counterfeiters with the opportunity to pirate. It is difficult to identify consumers of laser holographic anti-counterfeiting technology, and the cost of laser coding machine is expensive, so it is difficult for small and medium-sized enterprises to adopt it. Once the counterfeiter has this kind of equipment, its anti-counterfeiting effect will fail immediately. QR code technology is a kind of automatic recognition technology developed on the basis of one-dimensional code. With the continuous development of smart phone, QR code technology has been widely used in the world. Compared with one-dimensional code, QR code has the characteristics of large storage capacity, wide coding range, strong fault-tolerant ability, high decoding reliability and can introduce encryption measures. The characteristics of QR code make it widely used in various anti-counterfeiting fields. This paper is applied to the research of book anti-counterfeiting. In this paper, aiming at the shortcomings of the existing anti-counterfeiting technology, using QR code as the carrier of storing information and RSA public key encryption technology, an anti-counterfeiting system with book anti-counterfeiting as an example is studied and implemented, and the generation of QR code is realized. Identification and information encryption and other module functions. The anti-counterfeiting process is to use the public key of RSA to encrypt the unique number code and generate the QR code picture after inputting the relevant information of each book, and affixing the QR code picture to the reasonable position of the book. Finally, the consumer obtains the ciphertext by scanning the QR code picture, and determines the authenticity of the book by decrypting the private key of the system.
【学位授予单位】:南京师范大学
【学位级别】:硕士
【学位授予年份】:2014
【分类号】:TP391.44;TN918.4

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