System for protecting documents or objects enclosed in a tamper-

Details System for protecting documents or objects enclosed in a tamper- System for protecting documents or objects enclosed in a tamper-

1992-03-16

1994-05-24

Cangialosi, Salvatore

Cryptography

Particular algorithmic function encoding

Nbs/des algorithm

380 52, H04L 910

Patent

active

053156560

ABSTRACT:
A protection system for protecting valuables, such as, for example, drugs, banknotes, checks, bank cards or securities, that are contained in a physically impregnable storage container or box, in which the contents of the storage box are destroyed upon the detection of an attempted unauthorized access to the storage box. The storage box includes an internal management system that controls transitions between a plurality of operating modes in accordance with particular events, the validity of the transitions being authenticated and verified. If the contents of the storage box are destroyed, data stored in a memory of the internal management system is also erased, so as to prevent the unauthorized extraction of the data, which could possibly be used to gain access to other portions of the protection system.

REFERENCES:
patent: 4236463 (1980-12-01), Westcott
patent: 4691350 (1987-04-01), Kleijne et al.
patent: 4691355 (1987-09-01), Winstrom et al.
patent: 4860351 (1989-08-01), Weingart
patent: 4942831 (1990-07-01), Tel
patent: 5159624 (1992-10-01), Double et al.
DES (English Data Encryption Standard), FIPS PUB 46 (Federal Information Processing Standards Publication 46).
International Search Report and Annex.
International Preliminary Examination Report.

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