| Experiment |
| for i = 1 to n |
| ki ∈R {0,1}ℓ |
(m0,i,m1,i) ←
 (Γ) |
| ci ← Encki(mb,i) |
|
(ci) |
| b′ ←
, where b′ ∈ {0,1} |
| return b′ |
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