301–306. Index Symbols |S| (cardinality of a set S), 49 ∈ (set member), 49 ⊆ (subset), 49 ⊂ (proper subset), 49 ∩ (set intersection), 49 ∪ (set union), 49 − (set difference), 49 × (Cartesian product), 49 ∅ (empty set), 50 O-notation (big-O), 58 Ω-notation (1994)

by II”
Venue:Authentication path, 557 Authentication server, 491, 549 Authentication tree, 466–468, 485, 556–559, 587 Authority revocation list (ARL), 577 Authorization, 3 Authorized subset, 527 Auto-key cipher, 242 Autocorrelation function, 180 Autocorrelation test,