Research Article

Enhancing Transaction Security for Handling Accountability in Electronic Health Records

Table 2

Security comparison of the proposed protocol and existing protocols.

Security aspects[9][11][19][12][13][14][20][21][15][16]Proposed

ConfidentialityYesYesYesYesYesYesYesYesYesYesYes
IntegrityYesYesYesYesYesYesYesYesYesYesYes
Mutual authenticationNoNoNoNoNoNoYesYesNoYesYes
AuthorizationYesYesYesYesYesYesYesYesYesYesYes
NonrepudiationNoNoNoYesYesYesYesYesNoYesYes
Replay attackYesYesYesYesYesNoYesYesYesYesYes
Man-in-the-middleYesYesYesYesYesNoYesYesYesYesYes
Dispute resolutionNoNoNoNoNoNoYesYesNoYesYes