Modular exponentiation algorithm in an electronic component...

Details Modular exponentiation algorithm in an electronic component... Modular exponentiation algorithm in an electronic component...

2007-02-06

2007-02-06

Moise, Emmanuel L. (Department: 2137)

Cryptography

Particular algorithmic function encoding

Public key

C380S255000, C713S174000

Reexamination Certificate

active

10181890

ABSTRACT:
The present invention concerns an anti-SPA modular exponentiation algorithm in an electronic component using a public key ciphering algorithm. A pair of registers and an indicator are used to provide symmetrical processing of bits in the algorithm, so that the values of individual bits cannot be determined from power consumption.

REFERENCES:
patent: 6064740 (2000-05-01), Curiger et al.
patent: 6298442 (2001-10-01), Kocher et al.
Kocher, P., et al.,Differential Power Analysis, Lecture Notes in Computer Science, vol. 1666, 1999, pp. 388-397.
Messerges, T., et al.,Power Analysis Attacks of Modular Exponentiation in Smartcards, Lecture Notes in Computer Science, vol. 1717, 1999, pp. 144-157.

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