Table 3 Comparisons of Computational Overhead

RS-HABE

(2+4\(n_a\)+\(n_p\))E

(2+3\(n_{c}\))P+2\(n_{c}\)E

(4+\(n_u\))E

(2+4\(n_a\)+\(n_p\))E

N/A

RS-CPABE-ASP

(4+5\(n_a\)+2\(n_p\))E

(3+4\(n_c\))P+3\(n_c\)E

5E

P+(1+\(n_a\))E

N/A

RABE-DI

(6+6\(n_a\))E

(2+4\(n_c\))P+2\(n_c\)E

N/A

(2+3\(n_a\))E

N/A

CC-ABE

(3+4\(n_a\)+2\(n_{cop}\))E

(2+4\(n_c\))P+(\(n_c\)+\(\lfloor \log n_c \rfloor\))E

N/A

N/A

(2+4\(n_c\)+\(n_{cop}\))P+(\(n_c\)+\(\lfloor \log n_c \rfloor\))E

Ours

P+(1+2\(n_a\)+3\(n_{cop}\))E

(1+2\(n_c\))P+(\(n_c\)+\(\lfloor \log n_c \rfloor\))E

\(n_u\)E

P+2E

(1+2\(n_c\)+\(n_{cop}\))P+(\(n_c\)+\(\lfloor \log n_c \rfloor\))E