[PDF] Top 20 Updating attribute in CP-ABE: A New Approach

... Ciphertext-Policy Attribute Based Encryption (CP-ABE), attributes are attached to the user‟s secret key and access policy is at- tached to the ...periodic updating of the secret key with the ... See full document

... of CP- ABE in the cloud, and have presented an accountable authority CP-ABE system supporting white-box traceability and public ...first CP-ABE system that simultaneously ... See full document

... cryptographic approach concerningwhich permanency extra intensive durability lookup permanency is permanency ...using attribute stability set, longevity or longevity decryptionwas feasible only when the ... See full document

... In addition, the number of pairing operation will increase during encryption and decryption, which increase computation overhead on sender and receiver [11]. One of the efficient constructions of the CP-ABE ... See full document

... recent approach that reconsiders the concept of public- key ...receiver. ABE goes one step further and defines the identity not atomic but as a set of attributes, ...(key-policy ABE - KP- ABE) ... See full document

... of Attribute-based Encryption (ABE) was introduced by Sahai and Waters (2005), after that Goyal et ...proposed CP-ABE scheme contrast with KP- ABE where attribute is associated ... See full document

... users.This approach allows the user to implement the accesscontrol on their data directly in content sharing servicerather than through a central ...areusing attribute based encryption ...– attribute ... See full document

... a new type of IBE scheme called fuzzy IBE (FIBE) which regards identities as a set of descriptive ...of ABE in which the information proprietor can scramble a message to all clients that have a specific ... See full document

... Ciphertext-Policy Attribute-Based Encryption (CP-ABE) to encrypt EHRs based on healthcare providers' attributes or credentials; to decrypt EHRs, they must possess the set of attributes needed for ... See full document

... This approach [54] instigates hierarchical attribute based encryp- tion with a keyword search scheme that ensures confidential- ity of EHRs in the cloud ...though ABE provides dynamic access control ... See full document

... The Attribute-based access control with efficient revocation in data outsourcing systems allowing the server to re-encrypt the ciphertext with a set of attribute group ...on attribute level rather ... See full document

... of ABE is that the size of the ciphertext and the time required to decrypt it grows with the complexity of the access ...a new paradigm for ABE that largely eliminates this overhead for ...that ... See full document

... of attribute- based encryption (ABE) is a promising approach that fulfils the requirements for secure data retrieval in ...text-policy attribute-based encryption (CP-ABE) is a ... See full document

... is Attribute-Based Encryption (ABE) which is a new paradigm where such policies are specified and cryptographically enforced in the encryption algorithm ...existing ABE schemes are of two ... See full document

... An Attribute-Based Encryption Scheme to Secure Fog Communications to achieve confidentiality, authentication, very ability, and access control, we combine CP-ABE and digital signature ...text-policy ... See full document

... specific Attribute based encryption ...the CP-ABE scheme in terms of computational and communication overhead under comparable security levels while providing message and Identity ... See full document

... We aim attention at the performance and resource usage of the schemes. The main goal is to provide insight into the current performance of the most suitable ABE schemes, and compare them. We aim to give insight in ... See full document

... Policy Attribute Set Based Encryption (CP-ASBE) is a modified form of ...existing CP-ABE schemes that represent user attributes as a monolithic set in ...The CP-ASBE consists of ... See full document

... Easier architecture supports fine-grained access control policies and dynamic group membership by using ABE. It is possible to remove access from a user without issuing new keys to other users or ... See full document

... of ABE policies, the computational complexities of ABE key-issuing and decryption are getting prohibitively ...Outsourced ABE solutions are able to offload some intensive computing tasks to a third ... See full document