Constant-Size CCA-Secure Multi-hop Unidirectional Proxy Re-encryption ...
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Jun 13, 2018 · In this paper, we utilize the recent advances in indistinguishability obfuscation, overcome several obstacles and propose a multi-hop ...
Dec 22, 2020 · We stress that, it is non-trivial to use indistinguishability obfuscation to design a CCA-secure multi-hop unidirectional PRE scheme, and we ...
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The proposed scheme is proved to be CCA-secure in the standard model (i.e., without using the random oracle heuristic), and its ciphertext remains ...
Jan 13, 2024 · One is the multi-hop CCA-secure PRE scheme proposed by Lai et al. [18] using the recent advances in indistinguishability obfuscation. The other ...
Oct 20, 2021 · Abstract, In ACM CCS 2007, Canetti and Hohenberger left an open problem of how to construct a multi-hop unidirectional proxy re-encryption ...
In this paper, we utilize the recent advances in indistinguishability obfuscation, overcome several obstacles and propose a multi-hop unidirectional proxy ...
Bibliographic details on Constant-Size CCA-Secure Multi-hop Unidirectional Proxy Re-encryption from Indistinguishability Obfuscation.
Feb 10, 2016 · In this paper, we present a proxy re-encryption (PRE) scheme via an indistinguishability obfuscation ...
This paper, for the first time, proposes a new unidirectional single-hop Identity-Based Conditional Proxy Re-Encryption (IBCPRE) scheme that not only captures ...
Abstract. Proxy re-encryption (PRE) allows a proxy to transform a ciphertext intended for Alice (delegator) to another ciphertext intended.