  Cloud computing is a popular distributed network and utility model based
technology. Since in cloud the data is outsourced to third parties, the
protection of confidentiality and privacy of user data becomes important.
Different methods for securing the data in cloud have been proposed by
researchers including but not limited to Oblivious RAM, Searchable Encryption,
Functional Encryption, Homomorphic Encryption etc. This paper focuses on
Searchable and Homomorphic Encryption methods. Finally, a comparative study of
these two efficient cloud cryptographic methods has been carried out and given
here.
