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Key extraction via measuring a physical quantity is a class of information theoretic key exchange protocols that rely on the physical characteristics of the communication channel, to enable the computation of a shared key by two parties that share no prior secret information. The key is supposed to be information theoretically hidden to an eavesdropper. Despite the recent surge of research activity...
Searchable Symmetric Encryption (SSE) allows a client to store encrypted data on a storage provider in such a way, that the client is able to search and retrieve the data selectively without the storage provider learning the contents of the data or the words being searched for. Practical SSE schemes usually leak (sensitive) information during or after a query (e.g., the search pattern). Secure schemes...
We present a privacy-preserving protocol for users to test a match with potential new friends in an environment where all users cryptographically encrypt their private information. The following scenario is considered. Suppose that user Alice thinks that Bob might be a good new friend. So, Alice and the Online Social Network (representing Bob) engage in a two-party matching protocol. In this protocol...
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