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The scheme has constant size ciphertext and achieves adaptive security based on the asymmetric decisional bilinear Diffie-Hellman Exponent (DBDHE) assumption without random oracles. The proposed scheme improves efficiency and security of anonymous IBBE schemes simultaneously.<\/p>","DOI":"10.4018\/ijdcf.2014040103","type":"journal-article","created":{"date-parts":[[2014,12,9]],"date-time":"2014-12-09T08:43:30Z","timestamp":1418114610000},"page":"40-51","source":"Crossref","is-referenced-by-count":18,"title":["Efficient Anonymous Identity-Based Broadcast Encryption without Random Oracles"],"prefix":"10.4018","volume":"6","author":[{"given":"Xie","family":"Li","sequence":"first","affiliation":[{"name":"School of Communication and Information Engineering, Shanghai University, Shanghai, China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Ren","family":"Yanli","sequence":"additional","affiliation":[{"name":"School of Communication and Information Engineering, Shanghai University, Shanghai, China"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"2432","reference":[{"key":"ijdcf.2014040103-0","doi-asserted-by":"publisher","DOI":"10.1007\/978-3-540-30580-4_26"},{"key":"ijdcf.2014040103-1","doi-asserted-by":"publisher","DOI":"10.1007\/11889663_4"},{"key":"ijdcf.2014040103-2","doi-asserted-by":"publisher","DOI":"10.1007\/11535218_16"},{"key":"ijdcf.2014040103-3","doi-asserted-by":"publisher","DOI":"10.1007\/11818175_17"},{"key":"ijdcf.2014040103-4","doi-asserted-by":"publisher","DOI":"10.1093\/comjnl\/bxr086"},{"key":"ijdcf.2014040103-5","doi-asserted-by":"publisher","DOI":"10.1007\/978-3-540-76900-2_12"},{"key":"ijdcf.2014040103-6","doi-asserted-by":"publisher","DOI":"10.1007\/978-3-540-73489-5_4"},{"key":"ijdcf.2014040103-7","doi-asserted-by":"publisher","DOI":"10.1007\/978-3-642-11925-5_11"},{"issue":"9","key":"ijdcf.2014040103-8","first-page":"1239","article-title":"Anonymous multireceiver identity-based encryption. 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