Method of editing/restoring electronic information

Details Method of editing/restoring electronic information Method of editing/restoring electronic information

2007-06-12

2007-06-12

Sheikh, Ayaz (Department: 2131)

Electrical computers and digital processing systems: support

Data processing protection using cryptography

By stored data protection

C713S171000, C713S189000, C380S216000, C380S229000

Reexamination Certificate

active

10362412

ABSTRACT:
An electronic information file is divided into a plurality of information elements, which are combined in different orders to generate two or more information blocks and to generate a primary distribution information file holding information on the method for dividing/rearranging the information elements. Like the electronic information file, the primary distribution information file is divided into key fragments and rearranged to generate key blocks and to generate a second distribution information file holding information on the method for dividing/rearranging the primary distribution information file. The information blocks, the key blocks and the secondary distribution information file are combined to generate and store or transmit two or more packages. When the electronic information is used, the primary distribution information file is restored on the basis of the secondary distribution file to restore the electronic information file on the basis of the primary distribution information file.

REFERENCES:
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C.E. Shannon “Communication Theory of Secrecy Systems” Bell System Technical Journal, American Telephone and Telegraph Co. NY, vol. 28, Oct. 1, 1949, pp. 656 and 670-679.
Basic Cryptology 1, (Masataka Kato), K.K. Science-sha, Sep. 25, 1989 pp. 230-235.

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