Secure Chat (Android version)

Demo project of DIM Client, just for study purpose.

Dependencies:

• DIM SDK (sdk-java)
  • DIM Core (core-java)
    • DaoKeDao (dkd-java)
    • MingKeMing (mkm-java)
    • Crypto digest, coders & keys
• Plugins
  • Core Plugins
  • Crypto Plugins - key plugins powered by bouncy-castle
  • Native Plugins - key plugins based on JNI
• Network Module
  • Star Trek channel, connection, hub, ...
  • TCP
  • UDP
  • State Machine
• Demo Libs
  • Common - common module for station/client
  • Network - network module for station/client
  • Database - database module powered by SQLite
  • Client - client module

Sub Modules

SDK Modules

Module	Version	Description
Crypto	2.1.0	Keys
MingKeMing	2.1.0	Account Module
DaoKeDao	2.1.0	Message Module
DIMP	2.1.0	Core Protocols
SDK	2.1.0
Plugins	2.1.0

Network Modules

Module	Version	Description
ByteArray	0.1.2	Byte Buffer
TLV	0.1.4	Tag Length Value
STUN	0.1.5
TURN	0.1.5
MTP	0.1.7	Network Packing
StarTrek	1.1.0	Transport
TCP	1.1.0
UDP	1.1.0
DMTP	0.2.3	Binary Messaging

Others

Module	Version	Description
FSM	1.1.0	State Machine
StarGate	1.1.0	Transport
LNC	0.2.1	Notification
DOS	0.1.3	File System

Architecture Diagram

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                 +-------+        +--------+        +-------+
          .....> |  SDK  | .....> |  DIMP  | .....> |  DKD  |
          :      +-------+        +--------+        +-------+
          :                           ^                 :
          :                           :                 V
          :          +-----------+    :             +-------+      +--------+
          :........> |  Plugins  | ...:             |  MKM  | ...> | Crypto |
          :          +-----------+                  +-------+      +--------+
          :
    +==========+
    |  SEChat  |
    +==========+
          :
          :     +-------+
          :...> |  LNC  |
          :     +-------+
          :     
          :     +-------+
          :...> |  DOS  |
          :     +-------+
          :
          :     +------------+       +-------+     +----------+     +-------+
          :...> |  StarGate  | ....> |  TCP  | ..> | StarTrek | ..> |  FSM  |
          :     +------------+       +-------+     +----------+     +-------+
          :            :                                ^
          :            :             +-------+          :
          :            :...........> |  UDP  | .........:
          :                          +-------+          :
          :                                             V
          :     +--------+                          +-------+           
          :...> |  DMTP  | .......................> |  MTP  | ...........
                +--------+            :             +-------+           :
                                      V                                 V
                +--------+        +--------+        +-------+        +------+
                |  TURN  | .....> |  STUN  | .....> |  TLV  | .....> |  BA  |
                +--------+        +--------+        +-------+        +------+

-- Edited by Alber Moky @ 2023-3-25