Matches 1 - 6 out of 6


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US20150356306 SYSTEMS AND METHODS FOR QR CODE VALIDATION  
Embodiments described herein combine both glyph technologies and cryptography technologies by encrypting data with a private key of an entity tasked with issuing controlled documents, and then...
US20090022314 INFORMATION PROCESSING DEVICE, READ TERMINAL, NON-PUBLIC INFORMATION READ SYSTEM, NON-PUBLIC INFORMATION READ METHOD, INFORMATION PROCESSING PROGRAM, AND NON-PUBLIC INFORMATION READ PROGRAM  
In a personal information access system 1, a bar-code information output 106 of an information processing device 10 makes bar-code information by associating personal information with term...
US20070036357 Watermarking of multimedia signals  
The invention concerns a method and apparatus for embedding and detecting watermarks in a digital host signal. In the embedding method a watermark sequence of length Lw/N bits carrying...
US20140254796 METHOD AND APPARATUS FOR GENERATING AND/OR PROCESSING 2D BARCODE  
A computer-complemented method for generating a 2D barcode, including retrieving a predetermined private key, a predetermined digital signature method and an issuer identity of a 2D barcode;...
US20110268272 ENCRYPTING AND STORING DATA ON AN ELECTRONIC READABLE MEDIA INCORPORATED INTO A FINANCIAL PROSPECTUS  
Each of a first portion and a second portion of data is selected. Each of the first portion and the second portion of data are in the human-readable format and capable of being converted from a...
US20070030970 Digital signature system  
A method of a signer affixing a physical manifestation of a digital signature to a hard-copy document includes inputting a digital copy of the hard-copy document into a secure hash function stored...
Matches 1 - 6 out of 6