avl_aes_key_handling.md

@@ -9,6 +9,7 @@ sequenceDiagram
     participant D2S_API as "D2SPhere REST API"
 
     autonumber
+    Note over Dev,Dev_TCP,D2S_TCP,D2S_DB,D2S_API: create D2Sphere TCP conncetion
     Dev->>Dev_TCP: create TCP session
     Dev_TCP->>D2S_TCP: sent Login plain (contains uuid/IMEI and used enryption mode)
     Dev->>Dev_TCP : load AES key from TPM key store to AES module
@@ -18,5 +19,6 @@ sequenceDiagram
     D2S_TCP->>D2S_TCP : start using enryption
     Dev_TCP->D2S_TCP: excahnge data
     Dev_TCP->D2S_TCP: excahnge data
+    Note over Dev,Dev_TCP,D2S_TCP,D2S_DB,D2S_API: key change via REST API
 		
 ```
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