SENA ProBee-ZE20S-SEME - Manual (Page 29)

ProBee-ZE20S-SExx User Guide Rev 1.8 29
Copy that value and input to ZE20S node by AT+PUBLICKEY command:
AT+PUBLICKEY=0200fde8a7f3d1084224962a4e7c54e69ac3f04da6b803b546c41cad5b6c44071
44149362c478f844b0d6d
# Input CA Pub Key (22 byte) + Device Private Key (21 byte)
CBKE DATA TOKEN IS EMPTY
DEVICE IMPLICIT CERT(BUFFER):
03022CD8B45F0F21676E4184470D34C3626FC10485741122334455667788544553545345434111
223344556677889900
CA PUBLIC KEY & DEVICE PRIVATE KEY(BUFFER):
0200fde8a7f3d1084224962a4e7c54e69ac3f04da6b803b546c41cad5b6c4407144149362c478f
844b0d6d
OK # Response
10. Lock the CBKE Data Token by AT+SETCBKEKEY.
Example)
AT+SETCBKEKEY
CBKE DATA TOKEN IS LOCKED # CBKE Data Token is locked now
DEVICE IMPLICIT CERT:
03022CD8B45F0F21676E4184470D34C3626FC10485741122334455667788544553545345434111
223344556677889900
CA PUBLIC KEY & DEVICE PRIVATE KEY:
0200fde8a7f3d1084224962a4e7c54e69ac3f04da6b803b546c41cad5b6c4407144149362c478f
844b0d6d
Once you lock CBKE Data Token, you cannot change CBKE Data Token again.
You can check if it is good or bad by AT+INFO.
Example) Good CBKE Data Token
AT+INFO
Security Level: 05, Security Profile: SE Full
SE Security Info: RealEcc, RealCbke, GoodCert # Good CBKE Data Token
End-point count: 1
…
Under following situations, you can see ‘BadCert’ message in the result of AT+INFO.
 Input invalid Device Implicit Cert value at AT+IMPLICIT
 Input invalid CA Pub Key + Device private key value at AT+PUBLICKEY
 CBKE Data Token value is not generated with MAC address of current node