Software data protection mechanism

Details Software data protection mechanism Software data protection mechanism

1992-12-17

1994-01-04

Buczinski, Stephen C.

Cryptography

Key management

Having particular key generator

380 4, 380 21, H04L 902, H04L 900

Patent

active

052767388

ABSTRACT:
A protection mechanism includes means for taking an input binary value and generating a unique key value as well as performing the reverse operation of taking a key value and generating an input binary value. The mechanism includes a scrambler which includes an array having a number of multibit container locations for storing a unique sequence of random numbers. The scrambler forms another binary value by rearranging the bits of the input binary value as a function of the random number values in addition to altering the states of such bits as a function of the random number values and the numeric bit position values of sources of the input binary bits. The resulting binary value is applied to an alphanumeric encoder which converts the binary value into a series of alphanumeric characters containing a valid key value.

REFERENCES:
patent: 4176247 (1979-11-01), Englund
patent: 4476566 (1984-10-01), Dent
patent: 4742543 (1988-05-01), Fredericksen

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