Method and apparatus for the exponentiation of large binary numb

Details Method and apparatus for the exponentiation of large binary numb Method and apparatus for the exponentiation of large binary numb

1982-07-23

1985-07-30

Griffin, Robert L.

Pulse or digital communications

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Testing

340347DD, 364746, H03K 1300, G06F 752

Patent

active

045326380

ABSTRACT:
A method and apparatus provides for exponentiation of large binary numbers in a residue class modulo N, particularly for encoding and decoding digitally-represented messages, in which the exponentiation comprises repeated scoring/multiplication cycles with a residue formation. The method provides that, respectively, one squaring/multiplication operation and one residue formation operation are executed nearly time-parallel and that the respective residue formation is undertaken by multiplication with a determined matrix.

REFERENCES:
patent: 4064400 (1977-12-01), Akushsky et al.
patent: 4107783 (1978-08-01), Huang
patent: 4281391 (1981-07-01), Huang
patent: 4346451 (1982-08-01), Katayama
Lagger et al., "Sicherheitsaspekte in Rechnergesteuerten Kommunikationssystemen", Elektronische Rechenanlagen, vol. 6, Jan. 22, 1980, pp. 276-280.

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