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    • 24. 发明公开
    • TWO-DIMENSIONAL CODE MASK ENCRYPTION AND DECRYPTION METHOD AND SYSTEM
    • 二维码掩码加密解密方法和系统
    • EP3309992A1
    • 2018-04-18
    • EP16829813.1
    • 2016-07-22
    • Fujian Landi Commercial Equipment Co., Ltd
    • JIANG, ShengzhangWU, Weidong
    • H04L9/06
    • H04L9/08G06T11/00G09C5/00H04L9/06H04L9/0825H04L2209/04H04N1/32144
    • The invention provides a method and system for encrypting and decrypting two-dimensional code mask. The method comprises: generating a target two-dimensional code containing a function pattern and an identification, an initial mask pattern and a key by a two-dimensional code generating device; sending the identification, the initial mask pattern and the key to a server by the two-dimensional code generating device; receiving and storing the identification, the initial mask pattern and the key by the server; encrypting the initial mask pattern by the two-dimensional code generating device using the key and then embedding the target two-dimensional code into the encrypted mask pattern to acquire the encrypted two-dimensional code; acquiring the encrypted two-dimensional code and the identification by a two-dimensional code decoding device; sending the identification to the server by the two-dimensional code decoding device; receiving the identification by the server; sending the key and the initial mask pattern to the two-dimensional code decoding device by the server according to the identification; receiving by the two-dimensional code decoding device the key and the initial mask pattern sent by the server; and decrypting the encrypted two-dimensional code by the two-dimensional code decoding device according to the key and the initial mask pattern to acquire the target two-dimensional code. The system has high security.
    • 本发明提供了一种对二维码掩码进行加密和解密的方法和系统。 该方法包括:由二维码生成装置生成包含功能模式和标识,初始掩模图案和键的目标二维码; 所述二维码生成装置将所述标识,所述初始掩码图案和所述密钥发送给服务器; 由服务器接收并存储标识,初始掩码图案和密钥; 通过二维码产生装置利用密钥对初始掩模图案进行加密,然后将目标二维码嵌入到加密的掩模图案中以获取加密的二维码; 通过二维码解码装置获取加密的二维码和识别码; 二维码解码装置将标识发送给服务器; 通过服务器接收标识; 服务器根据该标识将密钥和初始掩码图案发送给二维码解码设备; 二维码解码设备接收服务器发送的密钥和初始掩码图案; 以及由二维码解码装置根据密钥和初始掩模图案对加密的二维码进行解密以获取目标二维码。 该系统具有很高的安全性。
    • 25. 发明公开
    • Electronic device and image data displaying method
    • 电子设备和图像数据显示方法
    • EP2827299A3
    • 2018-02-28
    • EP14176999.2
    • 2014-07-15
    • Ricoh Company, Ltd.
    • Horie, Nobuhiro
    • G06F3/0488
    • G06F17/241G06F3/0488G06F17/24G06T11/00
    • Provided are an electronic device (1) and an image data displaying method, Each of the electronic device (1) and the image data displaying method displays screen data on a display (10), stores (S505) a plurality of pages of image data in a storage unit (131) in association with page information of the image data, extracts (S807) a part of the image data to store the extracted part of the image data in the storage unit (131), stores (S808) the extracted part of the image data in the storage unit (131), in association with attribute information of the extracted part of the image data and page information of the image data from which the part of the image data has been extracted, and pastes (S907, S908) the extracted part of the image data obtained from the storage unit (131) on the screen data displayed on the display (10).
    • 提供电子设备(1)和图像数据显示方法,电子设备(1)和图像数据显示方法中的每一个在显示器(10)上显示屏幕数据,存储(S505)多页图像数据 在与图像数据的页面信息相关联的存储单元(131)中,提取(S807)图像数据的一部分,以将提取的部分图像数据存储在存储单元(131)中,存储(S808) (131)中的图像数据的一部分与图像数据的提取部分的属性信息和从中提取图像数据的一部分的图像数据的页面信息相关联地进行粘贴(S907, S908)将从存储单元(131)获得的图像数据的提取部分显示在显示器(10)上显示的屏幕数据上。