Numerical array output device, a numerical array output...

Details Numerical array output device, a numerical array output... Numerical array output device, a numerical array output...

2007-06-19

2007-06-19

Moise, Emmanuel L. (Department: 2137)

Cryptography

Particular algorithmic function encoding

C380S030000, C380S277000, C726S005000

Reexamination Certificate

active

10270596

ABSTRACT:
An encryption device encrypts a message, and includes a function value output unit that calculates a function value of the message using a one-way converting function. The encryption device also includes a numerical array output unit having an initial array decision unit that generates an initial decision array V1having n1elements of1, n2elements of −1, and (n−n1−n2) elements of0. Further, the numerical array output unit includes an array element replacement unit that changes the array element of the initial array V1generated by the initial array decision unit according to an input integer X, and outputs the array V. The encryption device also includes a text generation unit that generates encrypted text, based on the message, according to a polynomial which corresponds to the array V.

REFERENCES:
patent: 5142579 (1992-08-01), Anderson
patent: 6081597 (2000-06-01), Hoffstein et al.
patent: 00/79692 (2000-12-01), None
patent: 01/93495 (2001-12-01), None
Jeffrey Hoffstein et al., entitled “NTRU: A Ring-Based Public Key Cryptosystem”, 1998, pp. 267-288.
Matsumoto, Tsutomu et al., entitled “Public Quadratic Polynomial-Tuples for Efficient Signature-Verification and Message-Encryption”, Advances in Cryptology—E Eurocrypt. International Conference on the Theory and Application of Cryptographic Techniques, Springler Verlag, DE, 1988, pp. 419-453, XP000568374.

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