[PDF] Top 20 Towards practical private information retrieval from homomorphic encryption

... data from a database con- taining more than 8 billion ...is practical for state-of-the-art SWHE ...recursive retrieval algorithm from [10], which allows to reduce compu- tational complexity ... See full document

... protocol from [9] to the MC-SSE setting while preserving its full boolean-query capabilities and ...hidden from E (otherwise E can learn information about unauthorized searches) so a simple signature ... See full document

... of private single-client computing, described in ...example practical application, a privacy preserving tax return preparation program, which computes the relevant statistics on government servers without ... See full document

... We implement and benchmark our SHE scheme based on two real cloud settings: Amazon and Rackspace. To compare against existing known primitives for secure arithmetic computation, we also implement and benchmark SWH based ... See full document

... A Private Information Retrieval (PIR) scheme is a protocol in which a user retrieves a record from a database while hiding which from the database ...computationally-Private ... See full document

... personal information without disclosing their identities but there is no guarantee on the quality of the data set, so it propose a new system in which user first hide his/her personal data and then sends to ... See full document

... is information-theoretically ...built from Reed-Muller codes [41, ...a practical solution for privacy-preserving data access due to their reliance on strong ... See full document

... the practical setting of clients performing multiple queries allows us to use sophisticated decoding algorithms that can decode multiple queries simultaneously and achieve an enormous improvement in both ... See full document

... two practical homomorphic encryption schemes - the BGV scheme by Gentry, Halevi and Smart and the YASHE scheme by Bos, Lauter, Loftus and ...data from 400 people within about 2 seconds and ... See full document

... on homomorphic encryption considered here, since it works on plaintext ...with homomorphic encryption in a useful ...aside from the above, recent advances in cryptographic research ... See full document

... symmetric encryption (OPSE). Order Preserving symmetric Encryption (OPE) [3] is a deterministic encryption scheme whose encryption function preserves numerical ordering of the ...additional ... See full document

... data retrieval on FHE encrypted data with single-server, single-round protocols, and no pre-processing of cleartext ...(SPM), Private Information Retrieval [11, 30, 15, 58](PIR), Secure Search ... See full document

... parameters from the server, and the server should return the appropriate ...i∗ from the server’s private linear ...inferred from the server-side result R s , if all other parameters were ... See full document

... Fully homomorphic encryption (FHE) allows evaluation of arbitrary functions on encrypted data, and as such has a myriad of potential applications such as private cloud ...an encryption scheme ... See full document

... Fully Homomorphic cryptosystems allow us to homo- morphically evaluate any arithmetic circuit without ...during homomorphic evaluations, slightly with addition but substantially with ...more ... See full document

... of Private Information Retrieval (PIR) was first discussed in ...[18]. Private information retrieval protocols intend to hide the queries performed by the user on a public ... See full document

... informational retrieval task was organized which has been dropped at NTCIR ...informational retrieval task, the pooling problem was addressed at ...The information unit can be the page itself or ... See full document

... Abstract: In this work, we supply an introduction to privacy issues in Cloud Computing and discuss the state of art within the privacy improving technologies that can be used for Cloud Computing. We focus on a software ... See full document

... Then we demonstrate the evaluation protocol. As shown in Figure 3(b), the running time of evaluation protocol is related to the max size of two identity sets of ciphertexts. However, it is easy to learn from the ... See full document

... If the object access frequencies are obtained from access history, some extra disk storage space is required to store the access history. Fortunately, the data temperatures of objects in some multimedia ... See full document