Confidential algorithm for the approximate graph vertex covering problem is presented in this article. It can preserve privacy of data at every stage computation, which very important context cloud computing. Security of~our solution based on fully homomorphic encryption scheme. The time complexity and security aspects considered are described.

Inadequate uptake of testing for human immunodeficiency virus (HIV) remains a primary bottleneck toward universal access to treatment and care, and is an obstacle to realizing the potential of new interventions for preventing HIV infection, including treatment for prevention and preexposure prophylaxis. HIV self-testing offers an approach to scaling up testing that could be high impact, low cos...

Several surveys attest to growing public concerns regarding privacy, aggravated by the diffusion of information technologies. A policy of self-regulation that allows individual companies to implement self-designed privacy statements is prevalent in the United States.These statements rarely provide specific privacy guarantees that personal information will be kept confidential. This study provid...