TLS / mTLS on Devices

Skill id

sec.tls

Area

Systems & Applications

Group

Embedded Security

Roadmap importance

No roadmap colour (added by TESA)

Origin

Added by TESA

Status in the lesson library

Assessed by a lesson

See it on the skill roadmap

Lessons that develop this skill

Lesson	Course	Develops to
TLS: certificates, the chain of trust and the handshake	AIoT in Action: From Touch Screen to IoT Platform (MicroPython)	L2 Guided
The tesaiot module: MQTTs to the platform	AIoT in Action: From Touch Screen to IoT Platform (MicroPython)	L2 Guided
Hands-on: real readings over an encrypted channel	AIoT in Action: From Touch Screen to IoT Platform (MicroPython)	L2 Guided
Telemetry to the TESAIoT Platform with Server-TLS	TESAIoT Firmware Stack: C Firmware on the TESAIoT Dev Kit	L2 Guided
Mutual authentication with mTLS	TESAIoT Firmware Stack: C Firmware on the TESAIoT Dev Kit	L3 Independent
PSoC Edge E84 with OPTIGA™ Trust M: keys that never leave the chip	TESAIoT Firmware Stack: C Firmware on the TESAIoT Dev Kit	L3 Independent
MQTT and MQTTs on an Edge Device	TESA Firmware SDK for Edge AI	L1 Aware
Lab: Wi-Fi, MQTT Connect, Publish, and Subscribe	TESA Firmware SDK for Edge AI	L1 Aware
TLS and mTLS	Secure IoT with OPTIGA™ Trust M	L3 Independent
MQTTs to the TESAIoT Platform	Secure IoT with OPTIGA™ Trust M	L3 Independent

Lessons that assess this skill

Lesson	Level	Evidence
Hands-on: real readings over an encrypted channel	L2 Guided	practice/s11_secure_telemetry.py

Roles that use this skill

Role	Minimum level	In this role
Embedded Security Engineer	L3 Independent	Required (R)
IoT Device Developer	L3 Independent	Required (R)

Proficiency levels

• L1 Aware · Bloom: remember/understand
• L2 Guided · Bloom: apply (scaffolded)
• L3 Independent · Bloom: apply/analyse
• L4 Professional · Bloom: analyse/evaluate
• L5 Design & Lead · Bloom: evaluate/create

For Open Badges 3.0 and CASE alignment

UUID: d9bb389a-d810-5690-939c-8b433e694b49

{
  "type": [
    "Alignment"
  ],
  "targetName": "TLS / mTLS on Devices",
  "targetUrl": "https://tesaiot.github.io/tesa-qualification-program/skills/sec.tls/",
  "targetCode": "sec.tls",
  "targetFramework": "TESA Embedded Systems Skill Map 0.1.0",
  "targetType": "CFItem"
}

Skill map data is licensed CC BY-SA 4.0, adapted from the Embedded Systems Engineering Roadmap by Meysam Parvizi