Survey of Authentication and Authorization for the Internet of Things

Table 3

Summary of authentication articles.

Article	Centralized	Decentralized	U2M	M2M	Context-aware	Factor	Domain	Specifics
[14]	Yes	Yes	Yes	No	Yes	Inherence	Any	Service answering whether user can be in the given location
[15]	Yes	Yes	Yes	Yes	No	Possession	Any	Use of attributes for authentication
[16]	Yes	No	Yes	Yes	No	N/A	Cloud	Authentication through cloud
[17]	Yes	Yes	Yes	No	No	N/A	Any	Reading QR codes physically present on a device
[18]	Yes	Yes	N/A	N/A	No	Knowledge	Healthcare	Framework designed to preserve patient privacy
[19]	Yes	No	Yes	Yes	No	Knowledge	Any	Adjustment of Web API management; OpenID Connect
[20]	No	Yes	Yes	Yes	No	Possession	Any	Authentication for devices with constrained computational power
[21]	Yes	No	No	Yes	No	Knowledge	Any	ARM compliant; EAPoL; RADIAL
[22]	No	Yes	Yes	No	No	Inherence	Healthcare	Biometric from wearable and nearables
[23]	Yes	No	Yes	Yes	No	N/A	Healthcare	OpenID Connect
[24]	Yes	No	Yes	Yes	No	N/A	Any	Authentication framework mathematical description using CSP algebra
[25]	Yes	No	Yes	Yes	No	N/A	Any	HTTPS-based device authentication using hash chain as One Time Password
[26]	N/A	N/A	Yes	No	Yes	Inherence	Any	Biometric; continuous authentication
[27]	Yes	No	Yes	No	Yes	Knowledge	Any	User’s electronical history
[28]	Yes	No	Yes	Yes	No	N/A	Healthcare	Authentication based on attributes
[29]	Yes	No	Yes	Yes	No	Knowledge	Any	OpenID Connect
[30]	N/A	N/A	No	Yes	No	N/A	Any	WS-Security adaptation for IoT
[31]	N/A	N/A	Yes	No	No	Knowledge	Any	One time passwords using words chosen by a user
[32]	Yes	No	Yes	Yes	No	Possession	Healthcare	Full security framework
[33]	No	Yes	Yes	Yes	No	N/A	Any	Blockchain access control framework
[34]	N/A	N/A	No	Yes	No	Possession	No	Authentication on perception level
[35]	No	Yes	Yes	Yes	Yes	Knowledge	Any	Privacy preserving based on partial identities