Generalized Proxy Oblivious Signature and Its Mobile Application

Table 3

Ability comparison.

Scheme	Blindness	Ambiguity	Multichoice	Proxy ability
Chen [8]	✓	✓
Mambo [13]				✓
Tso [9]	✓	✓
Yang [19]	✓			✓
Chiou [38]	✓	✓		✓
Chiou [39]	✓	✓	✓
Proposed	✓	✓	✓	✓