Information hiding method of QR code
The invention discloses an information hiding method for a QR code, and the method comprises the steps: firstly obtaining verification information and hidden information according to coding information and user identity information, building a verification information retrieval table by taking the i...
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| creator | REN HANGPENG LI CAIJIN SONG CHUHUA XIN RENLIN LU JIANFENG ZHAO WEIHAO HUANG XIANGYE |
| description | The invention discloses an information hiding method for a QR code, and the method comprises the steps: firstly obtaining verification information and hidden information according to coding information and user identity information, building a verification information retrieval table by taking the identity information and the coding information as indexes, and storing user identities and the verification information corresponding to the user identities; secondly, the hidden information is mapped into an ASCII code, the ASCII code is mapped into a Unicode code, and the Unicode code and the coded information jointly generate a QR code; and the decryption part reads the Unicode coding sequence, the coding information and the corresponding ASCII coding sequence from the QR code. And finally, determining decryption identity information and decryption verification information, further obtaining decryption coding information in the decryption verification information, and verifying whether the QR code is tampered or |
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And finally, determining decryption identity information and decryption verification information, further obtaining decryption coding information in the decryption verification information, and verifying whether the QR code is tampered or</description><subject>CALCULATING</subject><subject>COMPUTING</subject><subject>COUNTING</subject><subject>HANDLING RECORD CARRIERS</subject><subject>PHYSICS</subject><subject>PRESENTATION OF DATA</subject><subject>RECOGNITION OF DATA</subject><subject>RECORD CARRIERS</subject><fulltext>true</fulltext><rsrctype>patent</rsrctype><creationdate>2023</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNrjZFDxzEvLL8pNLMnMz1PIyEzJzEtXyE0tychPUchPUwgMUkjOT0nlYWBNS8wpTuWF0twMim6uIc4euqkF-fGpxQWJyal5qSXxzn6GhmbmBkYWhpaOxsSoAQDexCY-</recordid><startdate>20230905</startdate><enddate>20230905</enddate><creator>REN HANGPENG</creator><creator>LI CAIJIN</creator><creator>SONG CHUHUA</creator><creator>XIN RENLIN</creator><creator>LU JIANFENG</creator><creator>ZHAO WEIHAO</creator><creator>HUANG XIANGYE</creator><scope>EVB</scope></search><sort><creationdate>20230905</creationdate><title>Information hiding method of QR code</title><author>REN HANGPENG ; LI CAIJIN ; SONG CHUHUA ; XIN RENLIN ; LU JIANFENG ; ZHAO WEIHAO ; HUANG XIANGYE</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_CN116702819A3</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>chi ; eng</language><creationdate>2023</creationdate><topic>CALCULATING</topic><topic>COMPUTING</topic><topic>COUNTING</topic><topic>HANDLING RECORD CARRIERS</topic><topic>PHYSICS</topic><topic>PRESENTATION OF DATA</topic><topic>RECOGNITION OF DATA</topic><topic>RECORD CARRIERS</topic><toplevel>online_resources</toplevel><creatorcontrib>REN HANGPENG</creatorcontrib><creatorcontrib>LI CAIJIN</creatorcontrib><creatorcontrib>SONG CHUHUA</creatorcontrib><creatorcontrib>XIN RENLIN</creatorcontrib><creatorcontrib>LU JIANFENG</creatorcontrib><creatorcontrib>ZHAO WEIHAO</creatorcontrib><creatorcontrib>HUANG XIANGYE</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>REN HANGPENG</au><au>LI CAIJIN</au><au>SONG CHUHUA</au><au>XIN RENLIN</au><au>LU JIANFENG</au><au>ZHAO WEIHAO</au><au>HUANG XIANGYE</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>Information hiding method of QR code</title><date>2023-09-05</date><risdate>2023</risdate><abstract>The invention discloses an information hiding method for a QR code, and the method comprises the steps: firstly obtaining verification information and hidden information according to coding information and user identity information, building a verification information retrieval table by taking the identity information and the coding information as indexes, and storing user identities and the verification information corresponding to the user identities; secondly, the hidden information is mapped into an ASCII code, the ASCII code is mapped into a Unicode code, and the Unicode code and the coded information jointly generate a QR code; and the decryption part reads the Unicode coding sequence, the coding information and the corresponding ASCII coding sequence from the QR code. 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| language | chi ; eng |
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| subjects | CALCULATING COMPUTING COUNTING HANDLING RECORD CARRIERS PHYSICS PRESENTATION OF DATA RECOGNITION OF DATA RECORD CARRIERS |
| title | Information hiding method of QR code |
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