A method and an apparatus for generating an anti-forgery image are provided. The method includes: determining, according to a rule for setting bits, related parameters; determining a combination quantity of bits, according to the parameters; acquiring a width, height and code numeric value of the anti-forgery image to be generated and requesting a memory space for the anti-forgery image to be generated according to the width and height of the anti-forgery image to be generated; determining positions of the code points in the bits according to the parameters; determining the image cell's initial coordinate in the anti-forgery image to be generated according to a rule for setting coordinates; and drawing the image cell in the memory space according to the image cell's initial coordinate in the anti-forgery image to be generated, where the drawn image cell forms the anti-forgery image.

The present invention facilitates, in a two-dimensional symbol in which a region where additional data is recorded is provided in addition to a region where normal data is recorded, identification of colors of the regions where the respective data are recorded. Vertically and horizontally arranged first modules are provided, and by the coloration patterns of the first module, a finder pattern for detecting a symbol position, a timing pattern for specifying the center position of the first module, and a first recording region where first data can be recorded are formed. In at least a partial region, a second module is disposed in a portion that does not overlap the first module and includes an intermediate point between the first modules adjacent to each other, and a second recording region where second data can be recorded is formed by the coloration pattern of the second module.

An example image forming apparatus includes a user interface device, an image forming job operator, a processor, and a memory. The processor executes instructions to perform a redaction process of redacting personal information displayed on a preview screen of a document through the user interface device of the image forming apparatus and included in the document, show display state information of the personal information, in synchronization with a progress of the redaction process, and control the image forming job operator to perform an image forming job with respect to the document in which the personal information is redacted when the redaction process is completed.

The invention creates a single use authentication code from (1) predefined unencrypted data from at least one tax form, (2) primary keys, and (3) a secondary key generated from metadata correlated to the input of the unencrypted data, the above elements being used by a data encryption circuit having a polynomial integer encryption (PIE) engine, to generate the authentication code. The authentication code is translated into at least one symbol, using, for example, barcode technology, and applied to a tax document or form or otherwise encoded into electronic documents.

The disclosure features methods for generating a unique identifier, the methods including providing a dendritic structure, reading the dendritic structure to provide a signal, and generating a unique identifier from the signal.

The disclosure features methods for generating a unique identifier, the methods including providing a dendritic structure, reading the dendritic structure to provide a signal, and generating a unique identifier from the signal.

The present invention provides a method and apparatus for the production and labeling of objects in a manner suitable for the prevention and detection of counterfeiting. Thus, the system incorporates a variety of features that make unauthorized reproduction difficult. In addition, the present invention provides a system and method for providing a dynamically reconfigurable watermark, and the use of the watermark to encode a stochastically variable property of the carrier medium for self-authentication purposes.

Cryptographic techniques for encrypting images, and decrypting and reconstructing images, are provided to facilitate preventing unauthorized access to images. A holographic cryptographic component (HCC) can generate a global image comprising a scaled version of a source image and random content, generate a phase hologram representing the global image, and encrypt the phase hologram to generate an encrypted hologram based on a random phase mask, which can be the private encryption key. To reconstruct the source image, an HCC can overlay a phase mask, which can be a conjugate of the random phase mask, on the encrypted hologram to decrypt it, and can illuminate the decrypted hologram with a coherent light source. The source image is only reconstructed properly if the correct phase mask is used. If HCC applies the encryption process repetitively to the same source image, HCC can generate a different encrypted hologram in each run.

Cryptographic techniques for encrypting images, and decrypting and reconstructing images, are provided to facilitate preventing unauthorized access to images. A holographic cryptographic component (HCC) can generate a global image comprising a scaled version of a source image and random content, generate a phase hologram representing the global image, and encrypt the phase hologram to generate an encrypted hologram based on a random phase mask, which can be the private encryption key. To reconstruct the source image, an HCC can overlay a phase mask, which can be a conjugate of the random phase mask, on the encrypted hologram to decrypt it, and can illuminate the decrypted hologram with a coherent light source. The source image is only reconstructed properly if the correct phase mask is used. If HCC applies the encryption process repetitively to the same source image, HCC can generate a different encrypted hologram in each run.

A wireless communication device for use with a communication device and a network gateway connected to the Internet, wherein the communication device can communicate with the network gateway. The wireless communication device includes: a communication component operable to communicate with the network gateway; a memory component having temporary network access credentials stored therein; and a credential feature associated with the temporary network access credentials and being accessible by the communication device. The communication component can further establish a temporary network connection with the gateway based on the temporary network access credentials, and can further join a permanent network with the gateway.