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Implementation of Ring-based Homomorphic Encryption

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Authors

전민영

Advisor
천정희
Major
자연과학대학 수리과학부
Issue Date
2014-02
Publisher
서울대학교 대학원
Keywords
BLLNNTRUFHEImplementation
Description
학위논문 (석사)-- 서울대학교 대학원 : 수리과학부, 2014. 2. 천정희.
Abstract
Fully homomorphic encryption(FHE) was introduced by Rivest, Adleman, and Dertouzos that can homomorphically evaluate encrypted data. However, it turned out to be insecure. After then, it has been presented lots of improved, modified FHE schemes for security and efficiency. One of them, a FHE of López-Alt, Tromer, and Vaikuntanathan based on NTRU encryption scheme of Hoffstein, Pipher, and Silverman, is more efficient than the other schemes for a long time.
Bos et al. suggest the more efficient FHE scheme, which is the fastest, than López-Alt et al. They remove the DSPR assumption and modulus switching procedure. Thus, in this paper, we look into the scheme and implement its practical version and optimization. We provide experimental results and analyze them as regards efficiency compared with original one whose parameters are presented by authors.
Language
English
URI
https://hdl.handle.net/10371/131475
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