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PRACTICAL FHE PARAMETERS AGAINST LATTICE ATTACKS

대한수학회지, 2022, 59(1), , pp.35-51 [Peer Reviewed Journal]

ISSN: 0304-9914 ;EISSN: 2234-3008 ;DOI: 10.4134/JKMS.j200650

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  • Title:
    PRACTICAL FHE PARAMETERS AGAINST LATTICE ATTACKS
  • Author: Cheon, Jung Hee ; Son, Yongha ; Yhee, Donggeon
  • Subjects: 수학
  • Is Part Of: 대한수학회지, 2022, 59(1), , pp.35-51
  • Description: We give secure parameter suggestions to use sparse secret vectors in LWE based encryption schemes. This should replace existing security parameters, because homomorphic encryption (HE) schemes use quite different variables from the existing parameters. In particular, HE schemes using sparse secrets should be supported by experimental analysis, here we summarize existing attacks to be considered and security levels for each attacks. Based on the analysis and experiments, we compute optimal scaling factors for CKKS.
  • Publisher: 대한수학회
  • Language: Korean;English
  • Identifier: ISSN: 0304-9914
    EISSN: 2234-3008
    DOI: 10.4134/JKMS.j200650
  • Source: Alma/SFX Local Collection

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