| Patents for G09C 5 - Ciphering or deciphering apparatus or methods not provided for in other groups of this subclass, e.g. involving the concealment or deformation of graphic data such as designs, written or printed messages (2,737) |
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| 02/24/2015 | US8966656 Displaying private information using alternate frame sequencing |
| 01/29/2015 | US20150030154 Method and system for scrambling and descrambling a digital image |
| 01/27/2015 | US8941559 Opacity filter for display device |
| 01/21/2015 | CN204117020U 罗盘式密码提示仪 Compass instrument type the password prompt |
| 01/21/2015 | CN102576402B 规则揭示型鉴权方法和系统 Rules reveal type authentication method and system |
| 01/13/2015 | US8935536 Image encryption/decryption device, method, and storage medium storing a program |
| 11/25/2014 | US8896885 Creating authenticatable printed articles and subsequently verifying them based on scattered light caused by surface structure |
| 11/04/2014 | US8879737 Method for producing two-dimensional code and reader for reading the two-dimensional code |
| 10/28/2014 | US8873744 Electronic document processing system |
| 10/21/2014 | US8869292 Method and device for 3D object protection by transformation of its points |
| 10/14/2014 | US8863271 Password entry using 3D image with spatial alignment |
| 10/08/2014 | EP2786362A2 A method of generation and transmission of secure tokens based on tokens generated by trng and split into shares and the system thereof |
| 10/07/2014 | US8856902 User authentication via mobile communication device with imaging system |
| 09/23/2014 | US8843756 Image processing apparatus and image processing method |
| 09/16/2014 | CA2738606C Method and apparatus for providing flexible bit-length moduli on a block montgomery machine |
| 08/26/2014 | US8818015 Marker placement device, marker placement detecting device, and computer readable storage medium for storing marker placement program |
| 08/19/2014 | US8813207 Image generating apparatus, projector, and method for generating an image |
| 08/06/2014 | CN103975373A 评估密码熵 Assessment password entropy |
| 07/23/2014 | CN103943027A 防假冒密码图 Anti-counterfeiting crypto map |
| 07/16/2014 | EP2754144A1 Methods and devices for protecting digital objects through format preserving coding |
| 07/09/2014 | CN101902627B 在比特流中插入水印辅助数据的方法 Inserting watermark assistance data in a bitstream Method |
| 07/08/2014 | US8775803 High security display of private data |
| 07/08/2014 | CA2373511C Methods and systems for controlling computers or linking to internet resources from physical and electronic objects |
| 07/01/2014 | US8769297 Method for increasing the functionality of a media player/recorder device or an application program |
| 06/26/2014 | WO2014095737A1 Method and apparatus for marking manufactured items using physical characteristic |
| 06/25/2014 | EP2747469A1 Method for granting a plurality of electronic communication devices access to a local area network |
| 06/18/2014 | EP2743903A2 Method and device for 3d object encryption by application of a function modified using a secret key |
| 06/14/2014 | CA2799055A1 Apparatus configured to facilitate secure financial transactions |
| 06/12/2014 | US20140161420 System and method for embedding supplementary data into digital media files |
| 06/03/2014 | US8744080 Encrypted data recording apparatus |
| 05/27/2014 | US8737609 Authentication method and system |
| 05/20/2014 | CA2701573C Fault detection in exponentiation and point multiplication operations using a montgomery ladder |
| 05/08/2014 | WO2014041298A3 Method for authenticating a security element by superimposing n shared colour images, and security element implementing said method |
| 05/07/2014 | CN103782333A 通过保留格式的编码来保护数字对象的方法以及设备 By retaining encoding format to protect digital object's methods and equipment |
| 05/07/2014 | CN103778849A 优化加密3维图形对象的呈现的方法和设备 Optimization of a 3-dimensional graphic object encryption method and apparatus for rendering |
| 05/01/2014 | US20140123218 System for controlling access and distribution of digital property |
| 04/30/2014 | EP2725567A2 Method and device for 3d object encryption by application of a pseudo-randomly generated secret function |
| 04/30/2014 | EP2725566A1 Method and device for 3d object encryption by application of a pseudo-randomly generated secret function |
| 04/30/2014 | EP2725555A1 Methods and devices for optimising rendering of an encrypted 3D graphical object |
| 04/30/2014 | EP2724331A1 Encoding hidden information in spatial line frequencies |
| 04/24/2014 | WO2014059547A1 Cryptographic sequencing system and method |
| 04/23/2014 | EP2721768A1 Dynamic tardos traitor tracing schemes |
| 04/08/2014 | US8694665 System and method for embedding supplementary data into digital media files |
| 04/03/2014 | WO2014051518A1 Security film for revealing a passcode |
| 03/20/2014 | WO2014041298A2 Method for authenticating a security element by superimposing n shared colour images, and security element implementing said method |
| 03/11/2014 | US8671030 Electronic vouchers and a system and method for issuing the same |
| 02/04/2014 | US8645832 Methods and apparatus for interactive map-based analysis of digital video content |
| 01/21/2014 | US8632100 Security element |
| 01/03/2014 | WO2014000022A1 Security identification |
| 11/26/2013 | US8595276 Randomized signal transforms and their applications |
| 11/23/2013 | CA2816218A1 Data storage system and apparatus |
| 11/21/2013 | WO2013171506A1 System and method for transmitting data |
| 11/07/2013 | WO2013165838A1 Indicators for off-screen content |
| 10/24/2013 | US20130283402 Apparatus and method for embedding and extracting information in analog signals using distributed signal features and replica modulation |
| 10/22/2013 | US8565426 System and method for copy protection for digital signals |
| 10/10/2013 | WO2013080224A3 A method of generation and transmission of secure tokens based on tokens generated by trng and split into shares and the system thereof |
| 09/12/2013 | US20130236123 Digital anti-counterfeiting software method and apparatus |
| 09/03/2013 | US8526608 Printing system and printer with electronic signature capability and method thereof |
| 08/06/2013 | US8504901 Apparatus, method, and computer program product for detecting embedded information |
| 08/01/2013 | WO2013063694A9 Lightweight stream cipher cryptosystems |
| 07/09/2013 | US8484455 Online data encryption and decryption |
| 06/25/2013 | US8474059 Apparatus and method for embedding and extracting information in analog signals using distributed signal features and replica modulation |
| 06/11/2013 | US8462982 Method for inserting watermark assistance data in a bitstream and bitstream comprising the watermark assistance data |
| 06/06/2013 | WO2013080224A2 A method of generating secure tokens and transmission based on (trng) generated tokens and split into shares and the system thereof |
| 06/06/2013 | WO2013078556A1 Assessing cryptographic entropy |
| 06/06/2013 | CA2856114A1 Assessing cryptographic entropy |
| 06/05/2013 | CN103140858A Hardware-based human presence detection |
| 05/21/2013 | CA2678622C Program encoding and counterfeit tracking system and method |
| 05/14/2013 | US8442222 Job ticket issuing device and job execution device |
| 05/10/2013 | WO2013063694A1 Lightweight stream cipher cryptosystems |
| 05/10/2013 | CA2864227A1 Lightweight stream cipher cryptosystems |
| 05/07/2013 | US8437578 Digital anti-counterfeiting software method and apparatus |
| 05/02/2013 | US20130105582 Device and method for obfuscating visual information |
| 04/03/2013 | CN103021263A Nano tube password element and manufacturing method thereof |
| 03/21/2013 | US20130073981 Methods and apparatus for interactive network sharing of digital video content |
| 03/20/2013 | CN102982724A Anti-counterfeiting method based on fabric weave |
| 03/14/2013 | WO2013034530A1 Methods and devices for protecting digital objects through format preserving coding |
| 03/13/2013 | EP2568463A1 Methods and devices for protecting digital objects through format preserving coding |
| 03/13/2013 | EP2567502A2 Method for authenticating a user requesting a transaction with a service provider |
| 03/05/2013 | US8391541 Steganographic encoding and detecting for video signals |
| 02/14/2013 | DE102011110069A1 Device for receiving cryptography key sent by transmitter, has photo diode for detecting arriving photons with beams, and evaluation unit for evaluating signal at photo diode based on required running times of photons and polarization |
| 02/12/2013 | US8375282 System and method for securely adding redundancy to an electronic message |
| 02/12/2013 | CA2642116C Cryptographic system configured for extending a repetition period of a random sequence |
| 02/07/2013 | WO2013017590A1 A printing method for performing cryptography, and equipment designed according to said method |
| 01/23/2013 | CN102890891A Characteristic for verifying authenticity |
| 01/15/2013 | US8355514 Audio encoding to convey auxiliary information, and media embodying same |
| 01/03/2013 | WO2013000057A1 Encoding hidden information in spatial line frequencies |
| 01/03/2013 | CA2841146A1 Encoding hidden information in spatial line frequencies |
| 12/20/2012 | WO2012171712A1 Dynamic tardos traitor tracing schemes |
| 12/20/2012 | DE102012010885A1 Method for producing proof structure for authenticity of packaged product e.g. pharmaceutical tablet, involves determining encrypted common signature from common random pattern of product for enabling authenticity of packaged product |
| 12/19/2012 | EP2535896A1 Content assessment apparatus, content assessment method, information reproducing apparatus, and information reproducing method |
| 11/28/2012 | EP2528267A2 Method and device for 3D object protection by transformation of its points |
| 11/06/2012 | US8307273 Methods and apparatus for interactive network sharing of digital video content |
| 10/16/2012 | US8291235 Method and system for controlling access of clients and users to a print server |
| 10/02/2012 | US8279493 Image processing method, program thereof, image processing apparatus, and inkjet recording apparatus |
| 09/25/2012 | CA2293650C Obfuscation techniques for enhancing software security |
| 09/18/2012 | US8270603 Authentication method and system |
| 09/11/2012 | US8266437 Electronic vouchers and a system and method for issuing the same |
| 07/12/2012 | WO2011138558A3 Method for authenticating a user requesting a transaction with a service provider |
| 07/10/2012 | US8216129 Image display apparatus, endoscope system using the same, and image display method |