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[Encryption is the process of converting messages, information, or data into a form unreadable by anyone except the intended recipient. Encrypted data must be decrypted, before it can be read by the recipient. In its earliest form, people have been attempting to conceal certain information that...
[Homomorphic encryption is a form of encryption which allows specific types of computations to be carried out on ciphertexts and generate an encrypted result which, when decrypted, matches the result of operations performed on the plaintexts. This is a desirable feature in modern communication...
[Homomorphic encryption is a very useful tool with a number of attractive applications. However, the applications are limited by the fact that only one operation is possible (usually addition or multiplication in the plaintext space) to be able to manipulate the plaintext by using only the...
[Recently, remote voting systems have gained popularity and have been used for government elections and referendums in the United Kingdom, Estonia, and Switzerland as well as municipal elections in Canada and party primary elections in the United States and France. Current remote voting schemes...
[In mobile communication, spatial queries pose a serious threat to user location privacy because the location of a query may reveal sensitive information about the mobile user. In this chapter, we consider k nearest neighbor (kNN) queries where the mobile user queries the location-based service...
[Private searching on streaming data is a process to dispatch to a public server a program, which searches streaming sources of data without revealing searching criteria and then sends back a buffer containing the findings. From an Abelian group homomorphic encryption, the searching criteria can...
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