Tec Solutions, Inc.

Other

Todd Alan Carper

Hampton Miller

David Hemmo

An Van Le

A message can be encoded in an image file by mapping at least one bit of the message onto each sub-unit of the image file, and adjusting a distinguishable characteristic of each sub-unit according to the corresponding bit to produce a modified image file. The message can be decoded from the message file by comparing each sub-unit of the modified image file with a corresponding sub-unit of the original image file, and identifying at least one bit of the message based on each comparison.

Encoding/decoding message by selectively adjusting characteristics of sub-units in image data

A method of enciphering information includes generating five index values by performing modulo division on a 32-bit binary input value, identifying five 8-bit output patterns based on the five index values, and enciphering or deciphering five bytes of text using the five 8-bit output patterns.

Use of 32-bit random numbers to produce cipher key stream for 8-bit data stream

An authentication platform comprises an authentication unit configured to authenticate the user based on received input data, and a control unit configured to enable communication between a client device and an authentication host as a consequence of successful authentication of the user by the authentication unit.

Authentication platform and related method of operation

A biometric authentication system includes a biometric sensor configured for single user authentication. The biometric sensor can be configured for single user authentication through an enrollment procedure in which one or more sensing parameters are adjusted based on unique characteristics of the user. Thereafter, the user can be authenticated by capturing biometric data using the adjusted sensing parameters and comparing the captured biometric data against stored template data.

Biometric authentication system and biometric sensor configured for single user authentication

A biometric authentication system comprises a biometric sensor configured for single user authentication. The biometric sensor can be configured for single user authentication through an enrollment procedure in which one or more sensing parameters are adjusted based on unique characteristics of the user. Thereafter, the user can be authenticated by capturing biometric data using the adjusted sensing parameters and comparing the captured biometric data against stored template data.

A system and method for memory management in a smart card are disclosed. The memory manager, preferably part of a true operating system, is the single device by which memory in the smart card is allocated and deallocated. Memory allocation for new data objects and memory deallocation as the result of data object deletion are made by reference to a memory management record, preferably a bitmap, which is stored in RAM and formed upon smart card initialization.

Smart card memory management system and method

A set of related routines allows an application to be securely installed on, or de-installed from a smart card or other portable token. The capabilities of a true operating system on the smart card are used to facilitate installation/de-installation.

System and method for installing/de-installing an application on a smart card

The present invention provides a system and method for patching ROM based programming in a smart card. By means of a ROM management record and a ROM management record address indicator, patch code downloaded to and installed in read/write memory may be used to completely replace ROM based programming code.

Smart card patch manager

A system and method for facilitating the operation of multiple applications on a smart card are disclosed. One application may call another application, or leave a message for it. Applications are initialized, de-initialized (fully or partially), and re-initialized to accomplish inter-application operability.

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Burlingame, CA, United States of America

Todd Alan Carper