RR
Simple, some variants:
- RRnoBSA, RR_ClearKey, RR_DH
RR without a BSA (RRnoBSA)
RR with BSA
- RR_ClearKey: key in clear
- RR_DH: DH key agreement, diffie-hellman operation
Double-path variants possible (but triangle is collapsible)
Residual vulnerabilities to attackers on CN-HA path
- RRnoBSA: Passive and active attackers
- RR_ClearKey: Passive and active attackers
- RR_DH: active attackers only
- Minor differences with v4