CC2538: Zigbee secure connection

Raghunandana DS

Mastermind 6385 points

Part Number: CC2538
Other Parts Discussed in Thread: Z-STACK

Hi,

During Connection of ZED/ZR to ZC who will initiate first? and What all information will send?

what is "Trust centre key" in zigbee?

Can I refuse the connection of ZED or ZR from the ZC? if it is what all the possibilities to refuse?

over 7 years ago

0 YiKai Chen over 7 years ago

Guru 735695 points

1. It's ZED/ZR initialize the process. ZED/ZR should broadcast beacon requests over the air and ZC/ZR under radio coverage would response beacon frame. If ZC/ZR responds beacon frame which is enable permit join, ZED/ZR would send association request to start association process.
2. It's used for encrypt network key in association process.
3. You can refer to wiki.tiprocessors.com/.../Black_list_implementation

0 Raghunandana DS over 7 years ago in reply to YiKai Chen

Mastermind 6385 points

Hi Chen,
Thank you for response,
What is network key, how it will differ with other?

0 YiKai Chen over 7 years ago in reply to Raghunandana DS

Guru 735695 points

network key is the key used to encrypt Zigbee packets for security. Please refer to processors.wiki.ti.com/.../10_-_ZigBee_Security.pdf and read Zigbee spec.

0 Ryan Brown1 over 7 years ago

TI__Guru**** 219737 points

Hi Raghunandana,

Please refer to Section 10 of the Z-Stack 3.0 Developer's Guide, particularly Sections 10.5 and 10.6 to answer your particular questions. You can also refer to the ZigBee 3.0 Wiki page's Enhanced Security section: processors.wiki.ti.com/.../What's_New_in_ZigBee_3.0

Regards,
Ryan

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CC2538: Zigbee secure connection