Security and Communication Networks / 2020 / Article / Tab 4

Research Article

Enhancing Transaction Security for Handling Accountability in Electronic Health Records

Table 4

Abbreviations and definition of symbols used in the existing and proposed protocols.

SymbolDefinitionBits

CID/HCPID/PID/IDS/Cj/IDiConsumer/healthcare professionals/patient and health authority identity80
Ti, TsTimestamp64
H/Hash(d)/H(.)/H()Hash160
{}Pub/Pub/PKEk(p)//Public key128
{}Pri/Pri/PKE (p)//Private key128
SK/SKEk(p)/Signk(d)/KS/Session key128
PHR/D(i)/DocPersonal health records1024
AllowMessage allowed from the patient5
ReqPHR/mRequest using patient health records6
NonceAn arbitrary number that can be used just once128

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