Table 2.

Communication overhead

Communication rounds Data size
Credential issuance RU → C + RC → U 3|𝔾1|+3|𝔾2|+3|ℤr|+|H|
Anonymous authentication RU → W 3|𝔾1|+|𝔾2|+|ℤr|+|H|
LP generation and verify 2RU → W + 3RW → U |Sign|+|ℤr|+|H|+|l|

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