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CTRU, a polynomial analogue of NTRU
Philippe Gaborit 1, Julien Ohler, Patrick Solé
(2002-11)

CTRU, a new public-key cryptosystem is introduced. In this analogue of NTRU, the ring of integers is replaced by the ring of polynomials in one variable over a finite field. Attacks based on either the LLL algorithm or the Chinese Remainder Theorem are avoided. An important tool of cryptanalys- is is the Popov normal form of matrices with polynomial entries. The speed of encryption/decryption of CTRU is the same as NTRU for the same value of N. An implementation in Aldor is described.
1:  CAFE (INRIA Sophia Antipolis)
INRIA
Computer Science/Other
CRYPTOGRAPHY / NTRU / POPOV NORMAL FORM / VARSHAMOV GILBERT BOUND
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