Cryptography – Particular algorithmic function encoding – Public key
Patent
1993-04-13
1995-09-05
Gregory, Bernarr E.
Cryptography
Particular algorithmic function encoding
Public key
380 23, 380 25, 380 49, 380 50, 364746, 3647461, 364754, H04L 930, G06F 752, G06F 772
Patent
active
054486394
ABSTRACT:
A Digital Signature Device includes hardware device for carrying out an operation AB2.sup.-n mod N and an operation AB mod N, and carrying out modular exponentiation and modular multiplication based on an operation AB2.sup.-n mod N and an operation AB mod N. A method of performing an operation AB2.sup.-n mod N, an operation AB mod N, modular exponentiation, and modular multiplication by using hardware device, such as electrical controller, feeder, and delay device, etc.
REFERENCES:
patent: 4625076 (1986-11-01), Okamoto et al.
patent: 4891781 (1990-01-01), Omura
patent: 5121431 (1992-06-01), Wiener
patent: 5210710 (1993-05-01), Omura
John D. Lenk, Handbook of Microprocessors, Microcomputers, & Minicomputers; Chapter 4, pp. 203-266; (Prentice-Hall, 1979; ISBN 0-13-380378-3).
Tomlinson, "Modulo Multiplier to Enhance Encryption Rates", Electronic Engineering, vol. 62, No. 760, London, GB, 1990, p. 25.
Federal Register, Aug. 30, 1991, Federal Information Processing Standards Publication issued by the National Institute of Standards and Technology, "Announcing a Digital Signature Standard", Draft 19 Aug. 1991, front page and pp. 1-4.
Federal Information Processing Standards Publication, "Specifications for a Digital Signature Standard (DSS)", Draft 19 Aug. 1991, pp. 1-11.
Fortress U&T Ltd.
Gregory Bernarr E.
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