Cryptography – Particular algorithmic function encoding – Public key
Patent
1998-09-09
2000-04-11
Cangialosi, Salvatore
Cryptography
Particular algorithmic function encoding
Public key
H04L 930
Patent
active
06049610&
ABSTRACT:
The present invention improves speed and reduces complexity in a digital signature scheme that uses elliptic algebra. The signature scheme generates two points that are compared. If the points do not match, the signature is not authentic. The present invention reduces computations by comparing only the x coordinates of the two generated points. The invention provides a scheme for deducing the possible values of the x-coordinate of a sum of two points using only the x coordinates of the original two points in question. The present invention provides a scheme that limits the possible solutions that satisfy the equation to two (the authentic signature and one other). Because of the large number of possible inauthentic solutions, the chance of a false authentic signature is statistically insignificant.
REFERENCES:
patent: 5581616 (1996-12-01), Crandall
patent: 5805703 (1998-09-01), Cranall
Cangialosi Salvatore
NeXT Software, Inc.
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