International Scholarly Research Notices

Research Article

Key Management Schemes for Multilayer and Multiple Simultaneous Secure Group Communication

Table 3

Protocol for authenticated secure group communication.
(1) 𝑢 𝑖 → KDC: 𝐸 𝐾 𝑖 [ I D 𝑖 ‖ 𝑃 𝑗 ‖ 𝑇 ]
(2)KDC → 𝑢 𝑖 : 𝐸 𝐾 𝑖 [ 𝑟 ‖ 𝑃 𝑗 ‖ 𝑇 ]
(3)KDC → { M e m b e r s o f 𝑃 𝑗 } : 𝐸 𝐺 𝑗 [ 𝐻 ( 𝑟 ) ‖ I D 𝑖 ‖ 𝑃 𝑗 ‖ 𝑇 ]
(4) 𝑢 𝑖 → { M e m b e r s o f 𝑃 𝑗 } : 𝐸 𝐺 𝑗 [ 𝑟 ‖ I D 𝑖 ‖ 𝑃 𝑗 ‖ 𝑇 ‖ 𝑚 ]