Data-locking system
First Claim
1. A data-locking system comprisinga data entry device having a keyboard for inputting information including data,at least one video display screen for displaying inputted information in a predetermined application format,a storage medium for storing information, andmeans for locking at least some of the inputted data in said storage medium to maintain the integrity of said data.
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Accused Products
Abstract
A data-locking system for generating an application, includes a data entry device, a video display screen, a storage medium, and a system for locking data in the storage medium. The video display screen allows for the display of inputted information in a predetermined application format comprising an integrated arrangement of critical and non-critical data fields. The data-locking system has circuitry for generating first and second records from the inputted information, as well as circuitry for generating a unique generator key number for encrypting the first record and circuitry for generating a data-lock code number and a time stamp number. When using the data-locking system, the inputted information in the critical data fields of the predetermined application format, once data-locked, cannot be changed.
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Citations
44 Claims
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1. A data-locking system comprising
a data entry device having a keyboard for inputting information including data, at least one video display screen for displaying inputted information in a predetermined application format, a storage medium for storing information, and means for locking at least some of the inputted data in said storage medium to maintain the integrity of said data.
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6. A data-locking system comprising
a data entry device having a keyboard for inputting information, at least one video display screen for displaying inputted information from said data entry device in a predetermined application format comprising an integrated arrangement of at least one critical data field and at least one non-critical data field, a storage medium for storing information inputted from said data entry device, means for locking at least some of the inputted information from said data entry device in said storage medium, means for generating a first record of data from the inputted information corresponding to said data fields, and means for generating a second record of critical data from said first record and corresponding to said critical data field.
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25. A method of generating an application comprising the steps of
inputting information into a storage medium in conformance with a predetermined application format having predetermined critical and non-critical data fields therein to generate a first record; -
initiating a data-lock to store information contained in selected data fields of the first record within the storage medium; and encrypting a predetermined portion of the first record, said portion corresponding to the critical data fields for storage as a second record in the storage medium. - View Dependent Claims (26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41)
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42. A data-locking system comprising
a data entry device having a keyboard for inputting information, at least one video display screen for displaying inputted information in a predetermined application format, said predetermined application format comprising an integrated arrangement of at least one critical data field and at least one non-critical data field, means for generating a first record of data from the inputted information corresponding to said data fields, means for generating a second record of critical data from said first record and corresponding to said critical data file, means for encrypting data contained in said first record to secure the data from tampering, means for generating a data-lock code number to include as part of said critical data record, means for generating a unique generator key number for use in said encryption of data contained in said first record, a comparator for comparing said first record with said second record, and means for prohibiting access to said first and second records of said data-locking system upon the occurrence of a predetermined event.
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44. A method of generating an application comprising the steps of
inputting information into a storage medium in conformance with a predetermined application format having predetermined critical and non-critical data fields therein to generate a first record; -
initiating a data-lock to store information contained in selected data fields of the first record within the storage medium; encrypting a predetermined portion of the first record, said portion corresponding to the critical data fields for storage as a second record in the storage medium; generating a data-lock code number to include as part of said second record; generating a unique generator key number for use in said encrypting step; comparing said first record with said second record; and initiating a system lockout if said comparing step yields a mismatch.
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Specification