Countermeasure method in an electronic component using a...

Details Countermeasure method in an electronic component using a... Countermeasure method in an electronic component using a...

2005-07-05

2005-07-05

Morse, Gregory (Department: 2134)

Cryptography

Particular algorithmic function encoding

Public key

Reexamination Certificate

active

06914986

ABSTRACT:
The present invention concerns a countermeasure method in an electronic component using a public key cryptography algorithm based on the use of elliptic curves. From a private key d and a number of points n on an elliptic curve, a new deciphering integer d′ is calculated. The present invention applies particularly to any existing electronic component, such as a smart card.

REFERENCES:
patent: 6298135 (2001-10-01), Messerges et al.
patent: 6477254 (2002-11-01), Miyazaki et al.
patent: WO 00/59157 (2000-10-01), None
patent: 411317734 (1999-11-01), None
Kocher et al., Differential Power Analysis, 1998, Crytography Research Group.
Koblitz, A Course in Number Theory and Cryptography, 1994, Springer-Verlag New York Inc, second edtion, pp. 178-179.

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