# SoK: Delegated Security in the Internet of Things
## Appendix A Methodology for Selecting Papers Suitable for the Review
### Results of the Selection Procedure
\begin{table}
\begin{tabular}{l l l l l l} \hline \hline \(\mathbf{\lambda}\) & **Title** & **T** & **Cn** & **h** \\ \hline
60 & Secure Service Proxy: A CoAP(s) Intermediary for a Securer and Smarter Web of Things [102] & 2017 & J & 9 & 219 \\
61 & BF-IoT: Securing the IoT Networks via Fingerprinting-Based Device & 2018 & C & 32 & / \\  & Authentication [43] & 2019 & J & 20 & 51 \\  & A DPN (Delegated Proof of Node) Mechanism for Secure Data Transmission in IoT Services [136] & 2019 & C & 6 & / \\
63 & D2 TLS: delegation-based DTLS for cloud-based IoT services [22] & 2019 & C & 6 & / \\
64 & Privacy-preserving delegable authentication in the Internet of Things [16] & 2019 & C & 11 & / \\
65 & Master-slave chain based trusted cross-domain authentication mechanism in IoT [46] & 2020 & J & 31 & 129 \\  & Cost-Efficient Anonymous Authentication Scheme Based on Set-Membership & 2023 & C & 0 & / \\  & Zero-Knowledge Proof [14] & 2023 & J & 0 & 92 \\  & Leakage of Authorisation-Data in IoT Device Sharing: New Attacks and & 2023 & C & 0 & / \\  & Countermeasure [44] & 2023 & J & 0 & 92 \\  & Zero-Knowledge Proofs based delegation authentication for Industrial Internet of Things... [19] & 2023 & C & 0 & / \\ \hline \multicolumn{8}{c}{**Rights Delegation**} \\ \hline
69 & Capability-based access control delegation model on the federated IoT network [93] & 2012 & J & 9 & 9 \\
70 & A Hot-topic based Distribution and Notification of Events in Pub/Sub Mobile & 2013 & J & 8 & / \\  & Brokers [137] & 2013 & J & 299 & 116 \\
71 & A capability-based security approach to manage access control in the Internet of Things [57] & 2013 & J & 178 & 9 \\
72 & Distributed Capability-based Access Control for the Internet of Things [138] & 2016 & J & 125 & 54 \\
73 & DCapBAC: embedding authorisation logic into smart things through ECC & 2016 & J & 650 & 58 \\  & PairAccess: a new Blockchain?based access control framework for the Internet of Things [50] & 2017 & J & 173 & 35 \\
75 & Dynamic Access Control Policy based on Blockchain and Machine Learning for the Internet of Things [139] & 2017 & C & 1 & / \\  & Offline Trusted Device and Proxy Architecture Based on a new TLS Switching & 2017 & C & 31 & / \\
76 & REPP: A reliable, searchable and privacy-preserving e-healthcare system... [140] & 2017 & C & 31 & / \\  & ViotSOC: Controlling Access to Dynamically Virtualized IoT Services using Service Object Capability [141] & 2017 & C & 4 & / \\
79 & BlendCAC: A BLockchain-Enabled Decentralized Capability-Based Access Control for IoTs [52] & 2018 & C & 103 & / \\  & BlendCAC: A Smart Contract Enabled Decentralized Capability-Based Access Control... [51] & 2018 & J & 121 & 32 \\
81 & Blockchain-Based IoT-Cloud Authorisation and Delegation [142] & 2018 & C & 41 & / \\  & CapChain: A Privacy Preserving Access Control Framework Based on Blockchain... [53] & 2018 & C & 29 & / \\
83 & IoTChain: A blockchain security architecture for the Internet of Things [65] & 2018 & C & 146 & / \\  & Pragmatic approach using OAuth mechanism for IoT device authorisation in cloud [62] & 2019 & C & 2 & / \\
85 & A Novel Entitlement-based Blockchain-enabled Security Architecture for IoT [143] & 2019 & C & 11 & / \\
86 & A Secure Key Delegation Mechanism for Fog Networking [144] & 2020 & J & 31 & 129 \\
87 & Access Control Model Based on Dynamic Delegations and Privacy in a Health System... [63] & 2019 & C & 0 & / \\  & Blockchain Based Fine-Grained and Scalable Access Control for IoT Security and Privacy [145] & 2019 & C & 8 & / \\ \hline \hline \end{tabular}
\end{table} 
Table 1: Cont.