Roving software license for a hardware agent

Details Roving software license for a hardware agent Roving software license for a hardware agent

1994-09-07

1995-12-05

Cain, David C.

Cryptography

Particular algorithmic function encoding

Nbs/des algorithm

380 4, 380 23, 380 30, H04K 100

Patent

active

054736927

ABSTRACT:
An integrated circuit component for enforcing licensing restrictions. Such enforcement is performed through remote transmission of access privileges for executing a licensed program from the integrated circuit component to another similar component. The integrated circuit component comprising a non-volatile memory for storing a uniquely designated key pair, an authentication device certificate and a manufacturer public key along with cryptographic algorithms, a processor for executing the cryptographic algorithms in order to process information inputted into the integrated circuit component and for transmitting the processed information into volatile memory and a random number generator for generating the uniquely designated key pair internally within the integrated circuit component.

REFERENCES:
patent: 4807288 (1989-02-01), Ugon et al.
Struif, Bruno "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.
Dusse, Stephen R. and Burton S. Kaliski "A Cryptographic Library for the Motorla 56000" in: Damgard, I. M.
Advances in Cryptology--Proceedings of EUROCRYPT 90, Springer-Verlag, 1991, pp. 230-244.
DSP56000/DSP56001 Digital Signal Processor User's Manual, Motorola, 1990, pp. 2--2.

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