Highlights · We cryptanalyzed Rao and Dutta's CP-ABE scheme by mounting a CPA. · A registered node in VANET can decrypt a ciphertext with unsatisfied DNF policy.
In 2013, Rao and Dutta constructed an efficient attribute based access control mechanism for vehicular ad hoc network (VANET) based on a newly proposed ...
Oct 22, 2024 · In this paper, we cryptanalyze Rao and Dutta's CP-ABE scheme by mounting a chosen plaintext attack to demonstrate that a registered node in ...
In this paper, we propose a non-monotone CP-ABE scheme that has no restrictions on the size of attribute sets and policies, allows fast de- cryption and is ...
People also ask
What is the CP-Abe algorithm?
What is ciphertext policy attribute based encryption?
This CP-ABE supports a wide range of access structures on at- tributes, including arbitrary conjunctive normal form (CNF) and disjunctive normal form (DNF).
This CP-ABE supports a wide range of access structures on at- tributes, including arbitrary conjunctive normal form (CNF) and disjunctive normal form (DNF).
Jul 10, 2023 · In particular, this is the first lattice-based ABE that uses the linear secret sharing scheme (LSSS) as a key tool to implement access control.
A ciphertext policy attribute-based encryption (CP-ABE) system consists of four fundamental algorithms: Setup, En- crypt, KeyGen and Decrypt. as an attribute, ...
Missing: Cryptanalysis | Show results with:Cryptanalysis
In this paper, we give the first private CP-ABE constructions with a constant-size ciphertext, supporting. CNF (Conjunctive Normal Form) access policy, with the ...
In this paper, unlike other survey papers, existing single and multiauthority CP-ABE schemes are reviewed with the main focus on their ability to address the ...
Missing: Cryptanalysis | Show results with:Cryptanalysis