Portable Data Encryption Device with Configurable Security Functionality and Method for File Encryption
a data encryption and configurable technology, applied in the field of portable data encryption devices with configurable security functionality and file encryption methods, can solve the problems of increasing the risk of interception and theft by criminal elements, amateur thieves, terrorists, etc., and the vulnerability of thin client software to hackers who are able to penetrate the firewall and other mechanisms, so as to achieve the effect of reducing or eliminating the vulnerability
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[0054]In accordance with the present invention, cryptographic operations are implemented on data for secure storage and transport by means of a system comprised of one or more than one secure portable encryption device (“SPED”) capable of such cryptographic operations, and optionally storing and communicating such secure data to host or peripheral devices, one or more than one host computing device (“HCD”), and means for securely protecting access to that data. One embodiment of the means for securely protecting data is to permit access and cryptographic operations on that data only to authorized recipients, or only on authorized host computing devices, by a “K of N” split-knowledge sharing algorithm method of generating and cryptographically assigning shrouded secret shares which are bound to authentication / authorization means such as shareholder PINs, passwords, Host Authorization Codes (HAC), or other host, SPED, or other user authentication / authorization means as will be known t...
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