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109 lines
2.5 KiB
Plaintext
109 lines
2.5 KiB
Plaintext
@startuml
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title Mandatory Authentication
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start
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: App calls gatt_client_set_required_security_level (level > 0);
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: A connects to B;
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: App triggers GATT Client request on A;
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if (LTK available) then (yes)
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: start encryption;
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if (re-encrypted) then (yes)
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: GATT Client request sent;
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#23DB2B : App receives GATT Response;
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stop
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else (no)
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#FD5B41: App receives GATT_QUERY_COMPLETE event
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with ATT_ERROR_BONDING_INFORMATION_MISSING;
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stop
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endif
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else (no)
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: start pairing;
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if (paired) then (yes)
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: GATT Client request sent;
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#23DB2B : App receives GATT Response;
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stop
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else (no)
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if (level >= 3) then (yes)
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#FD5B41: App receives GATT_QUERY_COMPLETE event
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with ATT_ERROR_INSUFFICIENT_AUTHENTICATION;
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stop
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else (no)
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#FD5B41: App receives GATT_QUERY_COMPLETE event
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with ATT_ERROR_INSUFFICIENT_ENCRYPTION;
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stop
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endif
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endif
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@enduml
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@startuml
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title Proactive Authentication with LTK
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start
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: A connects to B;
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: App triggers GATT Client request on A;
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if (role) then (Central)
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: start encryption;
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else (Peripheral)
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: send security request;
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endif
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if (re-encrypted) then (yes)
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: GATT Client request sent;
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#23DB2B : App receives GATT Response;
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stop
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else (no)
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#FD5B41: App receives GATT_QUERY_COMPLETE event
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with ATT_ERROR_BONDING_INFORMATION_MISSING;
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stop
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note right
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App can delete bonding
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information and repeat
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the GATT Client request
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end note
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endif
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@enduml
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@startuml
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title Reactive Authentication
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start
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: A connects to B;
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: App triggers GATT Client request on A;
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: GATT Client request sent;
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if (GATT Server returns an 'insufficient x' error) then (yes)
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if (ENABLE_GATT_CLIENT_PAIRING) then (yes)
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if (LTK available) then (yes)
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: start encryption;
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if (re-encrypted) then (yes)
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: GATT Client request sent;
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#23DB2B : App receives GATT Response;
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stop
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else (no)
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: delete bonding information;
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endif
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endif
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: start pairing;
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if (paired) then (yes)
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: GATT Client request sent;
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#23DB2B : App receives GATT Response;
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stop
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else (no)
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#FD5B41 : App receives a GATT Client error;
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stop
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endif
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else (no)
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#FD5B41 : App receives a GATT Client error;
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stop
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note left
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App can trigger pairing and
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repeat the GATT Client request
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end note
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endif
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else (no)
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#23DB2B : App receives GATT Response;
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stop
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endif
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@enduml |