[PDF] Top 20 Private Ciphertext-Policy Attribute-based Encryption Schemes With Constant-Size Ciphertext Supporting CNF Access Policy

... of attribute-based encryption (ABE) in which the encryption and decryption can be based on the user’s ...ABE: ciphertext-policy attribute-based ... See full document

... with attribute-based en- cryption (ABE) to effectively enhance the flexibility of delegation of decryption ...Identity-Based Encryption (IBE), introduced by Sahai and Wa- ters [19] wherein a ... See full document

... their private keys, it may overload the attribute ...ABE schemes, the revocation of any single private key requires key-update at attribute authority for the remaining unrevoked keys ... See full document

... ABSTRACT: Attribute based Encryption is a public cryptographic ...the encryption purposes.In most existing CP-ABE schemes, there is only one authority in the system and all the public ... See full document

... Key-Policy Attribute-Based Encryption (KPABE) - Ciphertext Policy Attribute Based Encryption (CP-ABE) In a Key-Policy Attribute-Based ... See full document

... broadcast encryption (ABBE) scheme and an ABE one is the additional possibility to revoke individual receivers in an efficient ...unique attribute for each receiver and to specify an access ... See full document

... hierarchical attribute-set-based encryption (HASBE) by extending ciphertext-policy attribute-set-based encryption (ASBE) with a hierarchical structure of ... See full document

... ABE schemes have been proposed, and they are mainly divided into two categories: key-policy attribute-based encryption (KP-ABE), such as in [39], [40], and ... See full document

... ABE schemes in the form of two different systems viz. Key Policy Attribute Based Encryption (KP-ABE) and Ciphertext Policy Attribute Based Encryption ... See full document

... allow encryption and signature verifi- cation between two users without any exchange of keys, instead using a trusted server to generate unique keys for each ...unauthorized access or du- plication of a ... See full document

... Embedding policy-based access control into modern encryption schemes is an interesting but challenging task that has been intensively studied by the cryptologic research community in ... See full document

... In this, Randomizable Proofs and Delegatable Anonymous Credentials revise the entire approach to constructing anonymous credentials and identify randomizable zero-knowledge proof of knowledge systems as the key building ... See full document

... can access the necessary information ...including access control methods that are cryptographically enforced [7], ...differentiated access services such that data access policies are defined ... See full document

... on access policies and the policy checkingoccurs “inside the ...the access control in cloud storage ...an attribute-based access control frameworkfor cloud storage systems and ... See full document

... CP-ABE access control scheme, named TMACS, in public cloud storage, in which all AAs jointly manage the whole attribute set and share the master key ...our access control scheme is robust and ... See full document

... The remainder of this paper is organized as follows. In Section II relevant mathematical concepts and definitions used throughout this paper are given. Sections III and IV present several implementation notes about the ... See full document

... subscriptions. Private keys are assigned to the subscribers and are labeled along with the ...identity based encryption (IBE) mechanisms to ensure that a particular subscriber can decrypt an event if ... See full document

... protocol based on ciphertext policy attribute- based encryption (CP-ABE) to establish secure communications among the ...and access control, we combine CP-ABE and digital ... See full document

... combines attribute based access control model with an expansion of ciphertext-policy attribute-set-based encryption (ASBE) and Hierarchical ... See full document

... their attribute key ...the ciphertext in the way such that only non-revoked users with their identity keys can decrypt the ...without attribute key regeneration, it can only revoke up to a predefined ... See full document