2015 | OriginalPaper | Buchkapitel
Enhancing Flexibility for ABE through the Use of Cipher Policy Scheme with Multiple Mediators
verfasst von : Rasal Shraddha, Tidke Bharat
Erschienen in: Proceedings of the 3rd International Conference on Frontiers of Intelligent Computing: Theory and Applications (FICTA) 2014
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The existing work in cryptography had just way of sharing keys between senders and receivers which was made through signature storage provided for the user’s public key. But increasing number of users was giving a great challenge for using such certificate storage and key distribution is on the other hand a difficult job. Identity Based Encryption (IBE) has been proposed to overcome traditional risk which had again created the time consuming environment due to its one-to-one communication phenomenon as personal information only a way to use the keys. This problem had been solved by Attribute Based Encryption (ABE) through single mediator by providing multicast communication. This concept was based on Key-Policy ABE (KP-ABE) as well as could not provide the revocation phenomenon for keys. So this paper aims to increase the level of encryption using MAMM (Multiple Authority Multiple Mediators) with the use of CP-ABE (Cipher Policy ABE) instead of KP-ABE that will give two level decryption by hierarchical mediators’ tree as well as user’s specific keys with forward access level and will provide flexibility in data transfer service.