Apparatus and method for providing secured communications

Details Apparatus and method for providing secured communications Apparatus and method for providing secured communications

1994-05-31

1996-07-23

Gregory, Bernarr E.

Cryptography

Electric signal modification

Having production of printed copy

380 4, 380 23, 380 25, 380 30, 380 44, 380 46, 380 49, 380 52, H04L 900

Patent

active

055398286

ABSTRACT:
A semiconductor device for storing encryption/decryption keys at manufacture in combination with digital certificates to ensure secured communications between the semiconductor device and another device. The semiconductor device comprising a non-volatile memory for storing the encryption/decryption keys and at least one digital certificate, internal memory for temporarily storing information input into the semiconductor device from the other device and possibly encryption and decryption algorithms, a processor for processing the information and a random number generator for generating the encryption/decryption keys completely internal to the hardware agent.

REFERENCES:
patent: 4807288 (1989-02-01), Ugon et al.
Dusse , S. R. & B. S. Kaliski: "A Crypotographic Library for the Motorola DSP56000" in Advances in Cryptology-Proceedings of EVROCRYPT 90, I. M. Damgard (Ed), Springer-Verlag, 1991, pp. 230-244.
Struif, B.:"The Use of Chipcards for Electronic Signatures and Encryption"in Proceedings of the 1989 Conference on VLSI and Computer Peripherals, IEEE Computer Society Press, 1989, pp. 4-155-4-158.
Rankine, G.: "Thomas-A Complete Single-Chip RSA Device" in Advances in Cryptology-Proceedings of CRYPTO 86; A. M. Odlyzko, (Ed) Springer-Verlag, 1987, pp. 480-487.
Guillou, L.; "Smart cards and Conditional Access" in Advances in Cryptology-Proceedings of EUROCRYPT 84; T. Beth, N. Cot and I. Ingemarsson (Eds) Springer-Verlag, 1985, pp. 480-490.

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