System for the secure storage and transmission of data

Details System for the secure storage and transmission of data System for the secure storage and transmission of data

1990-07-03

1991-06-25

Gregory, Bernarr E.

Cryptography

By modifying optical image

380 23, 380 24, 380 49, 235379, 235380, G09C 500, G07F 708, 380, 235

Patent

active

050274015

ABSTRACT:
A system for the secure storage and transmission of data utilizes a visual algorithm to encode sensitive data in a secure manner onto a data card or other storage device. Whether a photograph or other image, data representing pixels are encoded by scrambling them one color at a time, with scrambling instructions being encoded in the pixels themselves. A character assigned to each color is used for additional verification of the authorization during decoding. In a preferred embodiment, the time of encoding is the basis for the characters assigned to respective colors.

REFERENCES:
patent: 4529870 (1985-07-01), Chaum
patent: 4531024 (1985-07-01), Colton et al.
patent: 4864108 (1989-09-01), Hamada et al.
patent: 4879747 (1989-11-01), Leighton et al.

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