Method and apparatus for secure storage of data

Details Method and apparatus for secure storage of data Method and apparatus for secure storage of data

1996-12-30

1999-10-05

Gregory, Bernarr E.

Cryptography

Cryptanalysis

380 9, 380 23, 380 25, 380 28, 380 49, 380 50, 707 1, H04L 900

Patent

active

059636424

ABSTRACT:
A mechanism and method for encrypting database information such that the data can be directly processed while still in an encrypted form. The mechanism and method make use of a distributed computing network. Internal level database information is located remotely from users in the form of property-oriented positional q-code suitable for directly performing database operations on. End-user workstations have external level or conceptual level information. End-user workstations make use of codebooks to decrypt the internal level database information which is located separately from the codebooks. External-level (user-level) and/or conceptual-level (community-level) schema information is located on end-user workstations (or accessible from them), while internal-level data in the form of compressed binary sparse matrices is located separately. The internal-level data is in effect encrypted as a positional q-code. The end-user workstations have codebooks (or access to codebooks) which along with the external-level and/or conceptual level schema information allow the encrypted internal-level database information to be locally decrypted.

REFERENCES:
patent: 4974191 (1990-11-01), Amirghodsi et al.
patent: 5065429 (1991-11-01), Lang
patent: 5191611 (1993-03-01), Lang
patent: 5367573 (1994-11-01), Quimby
patent: 5659614 (1997-08-01), Bailey, III

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