{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,5,2]],"date-time":"2026-05-02T15:31:08Z","timestamp":1777735868659,"version":"3.51.4"},"reference-count":6,"publisher":"Springer Science and Business Media LLC","issue":"1","license":[{"start":{"date-parts":[[2015,3,22]],"date-time":"2015-03-22T00:00:00Z","timestamp":1426982400000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0"},{"start":{"date-parts":[[2015,3,22]],"date-time":"2015-03-22T00:00:00Z","timestamp":1426982400000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0"}],"content-domain":{"domain":["link.springer.com"],"crossmark-restriction":false},"short-container-title":["Hum. Cent. Comput. Inf. Sci."],"published-print":{"date-parts":[[2015,12]]},"abstract":"<jats:title>Abstract<\/jats:title><jats:p>Ciphertext-Policy Attribute-Based Encryption (CP-ABE) is suitable for data access control on a cloud storage system. In CP-ABE, the data owner encrypts data under the access structure over attributes and a set of attributes assigned to users is embedded in user\u2019s secret key. A user is able to decrypt if his attributes satisfy the ciphertext\u2019s access structure. In CP-ABE, processes of user\u2019s attribute revocation and grant are concentrated on the authority and the data owner. In this paper, we propose a ciphertext-policy attribute-based encryption scheme delegating attribute revocation processes to Cloud Server by proxy re-encryption. The proposed scheme does not require generations of new secret key when granting attributes to a user and supports any Linear Secret Sharing Schemes (LSSS) access structure. We prove that the proposed scheme is secure against attack by unauthorized users and Cloud Server.<\/jats:p>","DOI":"10.1186\/s13673-015-0027-0","type":"journal-article","created":{"date-parts":[[2015,3,21]],"date-time":"2015-03-21T05:16:01Z","timestamp":1426914961000},"update-policy":"https:\/\/doi.org\/10.1007\/springer_crossmark_policy","source":"Crossref","is-referenced-by-count":25,"title":["Provably secure attribute-based encryption with attribute revocation and grant function using proxy re-encryption and attribute key for updating"],"prefix":"10.1186","volume":"5","author":[{"given":"Takeru","family":"Naruse","sequence":"first","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Masami","family":"Mohri","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Yoshiaki","family":"Shiraishi","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"297","published-online":{"date-parts":[[2015,3,22]]},"reference":[{"key":"27_CR1","volume-title":"Paper presented at the 2007 IEEE Symposium on Security and Privacy, Oakland","author":"J Bethencourt","year":"2007","unstructured":"Bethencourt J, Sahai A, Waters B (2007) Ciphertext-policy attribute-based encryption. 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