Nowadays, many organizations outsource data storage to the cloud such that a member
(owner) of an organization can easily share data with other members (users). Due to the …

This paper considers the problem of secure data aggregation (mainly summation) in a
distributed setting, while ensuring differential privacy of the result. We study secure …

An identity-based online/offline encryption (IBOOE) scheme splits the encryption process
into two phases. The first phase performs most of the heavy computations, such as modular …

Wireless handheld devices which support e-mail and web browsing are increasingly
popular. The authenticity of the information received is important, especially for business …

The most popular and easiest communication technology in mobile phone devices is Short
Message Service (SMS). This service is designed to transfer unsecured information. Some …

The efficiency of any cryptographic algorithms depends on both security and operational
speed. When a message is encrypted using any cryptosystems it produces only one level of …

This Mobile communication is one of the fastest means of communication between one
senders to other. Although the data send through the mobiles via SMS is easy and fast but it …

This paper reports about the survey of various techniques available in an encryption and
also in compression technique. It is mainly analyzing the existing encoding and compressed …

The rapidly increasing prevalence of distributed data-driven applications highlights security
and privacy issues in storing and processing sensitive data. Although manipulating raw data …