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What a lovely hat

Is it made out of tin foil?




Dates are inconsistent

Dates are inconsistent

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2023/628 (PDF) Last updated: 2024-10-21
SEC: Symmetric Encrypted Computation via Fast Look-ups
Debadrita Talapatra, Nimish Mishra, Arnab Bag, Sikhar Patranabis, Debdeep Mukhopadhyay
Cryptographic protocols

Encrypted computation allows a client to securely outsource the storage and processing of sensitive private data to an untrusted third party cloud server. Fully homomorphic encryption (FHE) allows computing arbitrary functions over encrypted data, but incurs huge overheads and does not practically scale to large databases. Whereas, slightly weaker yet efficient constructions- Searchable Symmetric Encryption (SSE) support lookup-based evaluations of a restricted class of Boolean circuits over...

2019/1119 (PDF) Last updated: 2019-10-01
MicroSCOPE: Enabling Access Control in Searchable Encryption with the use of Attribute-based Encryption and SGX (Extended Version)
Antonis Michalas, Alexandros Bakas, Hai-Van Dang, Alexandr Zalitko
Secret-key cryptography

Secure cloud storage is considered as one of the most important problems that both businesses and end-users take into account before moving their private data to the cloud. Lately, we have seen some interesting approaches that are based either on the promising concept of Symmetric Searchable Encryption (SSE) or on the well-studied field of Attribute-Based Encryption (ABE). Our construction, MicroSCOPE, combines both ABE and SSE to utilize the advantages that each technique has to offer. We...

2011/010 (PDF) Last updated: 2011-01-06
Structured Encryption and Controlled Disclosure
Melissa Chase, Seny Kamara
Secret-key cryptography

We consider the problem of encrypting structured data (e.g., a web graph or a social network) in such a way that it can be efficiently and privately queried. For this purpose, we introduce the notion of structured encryption which generalizes previous work on symmetric searchable encryption (SSE) to the setting of arbitrarily-structured data. In the context of cloud storage, structured encryption allows a client to encrypt data without losing the ability to query and retrieve it efficiently....

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