Public-key Projective Arithmetic Functional Encryption

Public-key Projective Arithmetic Functional Encryption

Ananth and Sahai proposed the projective arithmetic functional encryption (PAFE) and showed that PAFE derives a single-key selective secure functional encryption with the help of the randomizing polynomials scheme (RP), namely PAFE with RP achieves the indistinguishability obfuscation (iO). Their PA...

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Published in:2020 Eighth International Symposium on Computing and Networking (CANDAR) pp. 115 - 121
Main Authors: Hasegawa, Shingo, Hisai, Masashi, Shizuya, Hiroki
Format: Conference Proceeding
Language:English
Published: IEEE 01-11-2020
Subjects:
Encryption
indistinguishability obfuscation
projective arithmetic functional encryption
Public key
randomizing polynomials scheme
Syntactics
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Abstract Ananth and Sahai proposed the projective arithmetic functional encryption (PAFE) and showed that PAFE derives a single-key selective secure functional encryption with the help of the randomizing polynomials scheme (RP), namely PAFE with RP achieves the indistinguishability obfuscation (iO). Their PAFE considers a secret-key type functional encryption only and a public-key counterpart is not known.We propose the public-key version: pkPAFE, and show that pkPAFE with RP derives a public-key functional encryption which is single-key selective secure. This means that our pkPAFE achieves iO as well as the original PAFE by Ananth and Sahai.
AbstractList Ananth and Sahai proposed the projective arithmetic functional encryption (PAFE) and showed that PAFE derives a single-key selective secure functional encryption with the help of the randomizing polynomials scheme (RP), namely PAFE with RP achieves the indistinguishability obfuscation (iO). Their PAFE considers a secret-key type functional encryption only and a public-key counterpart is not known.We propose the public-key version: pkPAFE, and show that pkPAFE with RP derives a public-key functional encryption which is single-key selective secure. This means that our pkPAFE achieves iO as well as the original PAFE by Ananth and Sahai.
Author Shizuya, Hiroki
Hasegawa, Shingo
Hisai, Masashi
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  givenname: Hiroki
  surname: Shizuya
  fullname: Shizuya, Hiroki
  organization: Graduate School of Information Sciences Tohoku University,Sendai,Miyagi,Japan
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Snippet Ananth and Sahai proposed the projective arithmetic functional encryption (PAFE) and showed that PAFE derives a single-key selective secure functional...
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StartPage 115
SubjectTerms Encryption
indistinguishability obfuscation
projective arithmetic functional encryption
Public key
randomizing polynomials scheme
Syntactics
Title Public-key Projective Arithmetic Functional Encryption
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