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Decentralized Multi-authority Anonymous Authentication for Global Identities with Non-interactive Proofs
anonymous authentication attribute collusion attack
2019/6/14
We propose a decentralized multi-authority anonymous authentication scheme in which a prover and a verifier are non-interactive. We give two security definitions; resistance against collusion attacks ...
Multi-Authority Attribute-Based Encryption from LWE in the OT Model
attribute-based encryption LWE
2019/3/13
In a (ciphertext policy) attribute-based encryption (ABE) scheme, a ciphertext is associated with a predicate ϕϕ and a secret key is associated with a string xx such that a key decrypts a ci...
Collaborative Multi-Authority KP-ABE for Shorter Keys and Parameters
ABE KP-ABE Multi Authority
2016/3/9
Bilinear groups are often used to create Attribute-Based Encryption (ABE) algorithms.
In our proposal, a Multiple-Authorities Key-Policy Attribute-Based Encryption
scheme is constructed in which the...
Efficient Statically-Secure Large-Universe Multi-Authority Attribute-Based Encryption
Attribute-Based Encryption Multi-Authority Large Universe
2016/1/5
We propose an efficient large-universe multi-authority ciphertext-policy attribute-based
encryption system. In a large-universe ABE scheme, any string can be used as an attribute of the system,
and ...
Improving security and efficiency for multi-authority access control system in cloud storage
Attribute-level revocation
2014/3/6
Multi-Authority Attribute-Based Encryption (MA-ABE) is an emerging cryptographic primitive for enforcing fine-grained attribute-based access control on the outsourced data in cloud storage. However, m...
Multi-authority attribute based encryption with honest-but-curious central authority
Multi-authority attribute encryption honest-but-curious central authority
2009/6/12
An attribute based encryption scheme capable of handling
multiple authorities was recently proposed by Chase. The scheme is built
upon a single-authority attribute based encryption scheme presented ...