Research Article
A CP-ABE Scheme Supporting Arithmetic Span Programs
Table 2
Games for proving the adaptive security of our scheme.
| | Game | CT | SK | | | |
| | 0 | Standard entropy expansion | Standard entropy expansion | | | i | — | Semifunctional | Entropy expansion | Entropy expansion | | i,1 | — | — | Pseudostandard | — | | i,2 | — | — | Pseudo-semifunctional | — | | i,3 | — | — | Semifunctional | — | | Final | Random message | Semifunctional |
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