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Paper 2002/188
Key recovery attacks on NTRU without ciphertext validation routine
Daewan Han and Jin Hong and Jae Woo Han and Daesung Kwon
Abstract
NTRU is an efficient public-key cryptosystem proposed by Hoffstein, Pipher, and Silverman. Assuming access to a decryption oracle, we show ways to recover the private key of NTRU systems that do not include a ciphertext validating procedure. The strongest of our methods will employ just a single call to the oracle, and in all cases, the number of calls needed will be small enough to be realistic.
Metadata
- Available format(s)
-
PDF
PS
- Category
- Public-key cryptography
- Publication info
- Published elsewhere. Unknown where it was published
- Keywords
- cryptanalysisNTRUchosen-ciphertext attack
- Contact author(s)
- jinhong @ bigfoot com
- History
- 2003-04-19: revised
- 2002-12-12: received
- See all versions
- Short URL
- https://ia.cr/2002/188
- License
-
CC BY
