revoked user
Efficient Group user Revocation Mechanism with a Public Integrity Auditing System for Sharing Data in Cloud
... any user in the group.Also the integrity checking should be done by any user and also by data ...of user should be efficient so that revoked user should be unable to access the ...
6
Title : Improving Data Security In Kp-Abe With Third Party AuditingAuthor (s) :M.Saranya, R.Vasuki
... after storing their data to the external storage server. 2.1 Setback occurrence One shortcoming of this kind of fully distributed approach is the performance degradation. A revoked user would still be able ...
5
A Reliable Data Sharing Approach for Dynamic Groups in Cloud
... and revoked users will not be able to access the sharing data again once they are ...the revoked user and the cloud . The revoked user can use his private key to decrypt the encrypted ...
8
Redsc: Reliablity of Data Sharing in Cloud
... a user is revoked, the user’s private key should also be ...the revoked user should be transformed into the authenticators of one designated non-revoked group ...non- revoked ...
5
A Secure Anti-Collusion File Sharing System for Untrusted Cloud Storage
... the revoked user of the group to access original ...a user is added or removed from the ...authorized user can get the individual key from group manager and after user’s private key gets ...
5
Redsc: Reliablity of Data Sharing in Cloud
... a user is revoked, the user’s private key should also be ...the revoked user should be transformed into the authenticators of one designated non-revoked group ...non- revoked ...
5
Revocation Methodologies Using Cloud Security
... In our mechanism, it is very important for the cloud to securely store and manage the re-signing keys of the group, so that the cloud can correctly and successfully convert signatures from a revoked user to ...
6
FileReCrypt: An Authenticated And Revocable Scheme For Personal File Sharing Using Cloud Storage
... the Decision Diffie-Hellman assumption holds in the chosen EC group G. The revoked user may possess the symmetric key and the revoked KH-Encryption key Ki. Let the present KH-Encryption key be ki+t . ...
6
A New Data Sharing Scheme for Dynamic Groups in the Cloud using Secure Anti-Collusion Technique
... the revoked user and the cloud. The revoked user can use his private key to decrypt the encrypted data file and get the secret data after his revocation by conspiring with the ...the ...
6
ANTI-COLLUSION SECURITY INFORMATION SHARING PROGRAM WITHIN THE CLOUD
... Each user obtains two keys after the registration while the attribute key is used to decrypt the data which is encrypted by the attribute-based encryption and the group signature key is used for privacy-preserving ...
7
Providing Security and Integrity of Public Data with Proficient User Revocation in the Cloud
... a user is revoked from the group, the blocks which were previously signed by this revoked user must be re-signed by an existing ...existing user to download the corresponding part of ...
6
Cost-Effective and Secure Data Sharing System in Cloud Computing Using Rs-Ibe
... there is a security issue in IBE, to avoid it efficient revocation suggested that users renew their private period. Only the PKG's public key and the receiver's identity are needed to encrypt, and there is no way to ...
10
Shared and searchable encrypted data for untrusted servers
... enable server-side searches on encrypted data. Song et.al. [25] introduced the first practical scheme for searching on encrypted data. The scheme enables clients to perform searches on encrypted text without disclosing ...
30
Maintaining Integrity and Security for the Data Shared in the Cloud
... In [2] authors proposed a method called Provable Data Possession (PDP) which allowed a public verifier to check the correctness of data which was being stored by the user or a client on an untrusted server. Even ...
11
Privacy Preserving Data Sharing with CP ABE
... Shilpa Elsa Abraham and R. Gokulavanan [10], proposed The system scalability is enhanced using ABE and MA-ABE. The expressibility of our encryptor’s access policy is somewhat limited by that of MA-ABE’s. In practice, ...
6
Anti-Collusion Security Data Sharing Program In The Cloud
... of user and group identity are also set 16 ...of user revocation to the group manager so that the legal clients can encrypt the data files alone without involving information of other clients, including ...
8
Anti Collusion Data Sharing Schema for Centralized Group in Cloud
... The system proposes a Secure Anti-Collusion Data Sharing Scheme, for dynamic groups in the cloud. By member group signature and dynamic broadcast encryption techniques, any cloud user can unidentified share data ...
6
ABSTRACT :In a cipher text policy attribute based encryption system, a user’s private key is associated with a set of
... personalized user key with the KGC, and issues and revokes attribute group keys to valid users per each attribute, which are used to enforce a fine-grained user access ...
6
Ghost Domain Names: Revoked Yet Still Resolvable
... Attackers often use domain names for various malicious purposes such as phishing, botnet command and control, and malware propagation. An obvious strategy for prevent- ing these activities is deleting the malicious ...
13
Formal authorization allocation approaches for role-based access control based on relational algebra operations
... or revoked from users by administrative roles. The roles assigned to a user by administrators may be in ...the user; on the other hand, be- cause of role hierarchies, the user may still have ...
10