【フェース1】
(Initiator) (Responder)
@SAパラメータの交換
アルゴリズム方式、SAパラメータ
−−−−−−−−−−−−−−−−−→
条件の一つを選択
←−−−−−−−−−−−−−−−−−
ADiffie-Hellmanによる鍵交換
−−−−−−−−−−−−−−−−−→
←−−−−−−−−−−−−−−−−−
B接続先認証(VPNルータ間)
−−−−−−−−−−−−−−−−−→
←−−−−−−−−−−−−−−−−−
ISAKMP SAの生成 |
【フェース1】 (Initiator) (Responder)
@SAパラメータの交換
ほとんどの情報(SAパラメータ、ID、秘密鍵など)
−−−−−−−−−−−−−−−−−→
全て交換
←−−−−−−−−−−−−−−−−−
ハッシュ値の交換
−−−−−−−−−−−−−−−−−→
ISAKMP SAの生成 |