Cluster-Based Authentication Process in a Smart City

Table 9

Comparison between the proposed cluster-based authentication process and some other similar processes.

Comparison Criteria	Contender 1	Contender 2	Contender 3	Contender 4	The proposed cluster-based authentication process
1. Applicability in smart city paradigm	Yes	Yes	Yes	Yes	Yes
2. Applicability in edge computing paradigm	No	No	No	No	Yes
3. Applicability in device level	No	Yes	No	No	No
4. Use of authentication token	No	No	No	No	Yes
5. Use of one time password	No	Yes	No	No	No
6. Hierarchical key management	No	No	No	Yes	Yes
7. Type of encryption	Symmetric key	Symmetric key	Symmetric key	Symmetric key	Public key
8. Algorithm detail	AES-CBC	AES-512	AES-512 or AES-128	AES-512 or AES-128	RSA or Elliptical Curve Cryptography
9. Protection against denial of service (DoS) attack	Yes	No	Yes	No	Yes
10. Resistance to insider attack	No	No	Yes	No	Yes
11. Trust evaluation on user activity	No	No	No	No	Yes
12. Low latency with high availability	No	Not applicable	No	No	Yes