A Systematic Review of Security Mechanisms for Big Data in Health and New Alternatives for Hospitals

Table 1

Comparison of different security mechanisms in the literature.

Publication	Security mechanism	Problem tackled
Wang et al. (2009) [38]	CP-ABE scheme	Encryptor leakage (leakage of randomness)
Cho et al. (2016) [31]	Double layered architecture	Privacy invasion of personal users in big data
Liu et al. (2015) [32]	Authenticator-based data integrity verification techniques	Verification of data integrity
Fabiano et al. (2015) [33]	OpenSSL encryption package	Level of security of data
Yan et al. (2016) [34]	Proxy-based additive homomorphism	Information security of trusted suppliers
Zhou et al. (2015) [35]	Chaos stochastic process and the Line Map principle	Image security
Hsu et al. [36]	Variant of the Diffie Hellman algorithm	Secure transfer of data
Hingwe and Bhanu (2014) [37]	Data encryption or double encryption for sensitive data	Security on cloud
Thilakanathan et al. (2014) [39]	ElGamal algorithm	Security in monitoring patients via remote devices
Cheng et al. (2014) [16]	Splitting data in fragments and hash function	Security for a cloud supplier
Jing (2014) [18]	AES encryption algorithm and RSA algorithm	Security on the cloud
Subashini and Kavitha (2012) [40]	Sensitive Data Segment	Ensuring the data