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Journal of Electrical and Computer Engineering
/
2014
/
Article
/
Tab 1
/
Research Article
Two-Factor User Authentication with Key Agreement Scheme Based on Elliptic Curve Cryptosystem
Table 1
Computation cost comparison among our scheme and others.
ā
Yang and Chang [
15
]
Islam and Biswas [
16
]
Our scheme
Registration phase
Authentication phase
Total computation cost
: the time complexity of ECC multiplication operation;
: the time complexity of ECC addition/subtraction operation;
: the time complexity of hashing function operation.