5.5. Key Download Payload
The Key Download (KD) payload contains cryptographic key material for group security associations.
Download Types
5.5.1. TEK Download Type
Contains Traffic Encrypting Keys for data protection.
5.5.2. KEK Download Type
Contains Key Encrypting Keys for re-key protection.
5.5.3. LKH Download Type
Contains Logical Key Hierarchy keys for efficient group member management.