Generalized Proxy Oblivious Signature and Its Mobile Application

Table 2

Communication cost comparison.

Scheme	OS ⟶ PS	PS ⟶ R	R ⟶ PS	R ⟶ V
Yang (blind) [19]
Chen (1-n) [8]	—
Tso (1-n) [9]	—
Chiou (1-n) [38]
Chiou (1-n) [39]	—			l
Chiou (t-n) [39]	—
Proposed (1-n)
Proposed (t-n)