An Efficient Electronic English Auction System with a Secure On-Shelf Mechanism and Privacy Preserving

Table 1

Comparison in security properties of the three schemes.

Property	Proposal
	Our proposal	Chang et al.’s proposal [14]	Xiong et al.’s proposal [13]	Chung et al.’s proposal [18]
Anonymity	○	○	○	○
Easy revocation	○	○	△	△
Fairness	○	○	○	○
Nonrepudiation	○	○	○	○
Onetime registration	○	○	○	○
Traceability	○	○	○	○
Unforgeability	○	○	○	○
Unlinkability	○	×	○	○
Verifiability	○	△	×	○
On-shelf mechanism	○	○	×	×
Without secure channel	○	○	×	×
Password guessing attack defending	○	○	○	○