Matter Certification and Device Certificates Webinar

Introduction

• Webinar Series: Third session on Matter Certification and Device Certificates
• Previous Sessions: Introduction to Matter, Building a Matter device
• Speaker: Director of Technical Marketing, Ami
• Host: Pedro

Agenda

1. Matter Certification Process
2. Expressive Certification Assistant Service
3. Device Attestation and Device Certificates
4. Manufacturing Complexity due to Device Certificates
5. Expressive Pre-provisioning Service
6. ESP-0 Code Modules
7. Q&A Session

Matter Certification Process

Importance

• Ensures compliance to specifications
• Guarantees interoperability among devices
• Benefits to consumers: authentic, functional, interoperable products with the Matter logo

Certification Methods

1. Complete Product Testing
2. Certification by Similarity
3. Certificate Transfer Program

Steps to Certification

1. Development: Create the product
2. CSA Membership: Apply through the CSA portal (different levels of membership)
3. Vendor ID (vid) & Product ID (pid): Obtained from CSA
4. Pre-certification Run: Conduct in your lab using CSA certification tool
5. Authorized Test Lab (ATL): Submit product for official testing
6. Submit Documentation: Include Declaration of Conformity and Protocol Implementation Conformance Statement (PICS)
7. Transport Attestations: Needed depending on the type of product (e.g., Wi-Fi, Bluetooth, Thread)
8. CSA Review & Certification: Receive certification and artifacts

Rapid Recertification (for OTA updates)

• Applicable for new firmware versions
• Conduct tests in your lab, submit results to ATL and then to CSA

Expressive Certification Assistant Service

• Helps customers to certify Matter products
• Can work with test labs or provide pre-certification testing
• Offer pre-negotiated certification prices

Device Attestation and Certificates

Attestation Goals

1. Certification Attestation: Ensuring valid and verifiable Matter certification
2. Device Attestation: Confirming the device is a genuine Matter device
3. Software Attestation: Ensuring the firmware is Matter compliant
4. Cryptographic Verification: Verification without the need for centralized infrastructure

Distributed Compliance Ledger (DCL)

• Non-centralized, cryptographically secured database
• Types of Entries: Product Attestation Authorities, Vendor Info, Device Models & Certification Status, Device Software Version Info

Device Attestation Process

• Based on public-private key cryptography
• Begins at DCL with Product Attestation Authorities (PAA)
• Chain of trust from PAA -> PAI -> Device Attestation Certificates (DAC)

Manufacturing Complexity

Requirements

• Each device needs a DAC signed by CSA-approved PAA
• Private keys must be securely stored
• Unique passcodes/verifiers for devices

Expressive Pre-provisioning Service

• CSA approved PAA
• Secure certificate signing and manufacturing infrastructure
• Delivered pre-provisioned modules with DAC and unique data
• Simplifies manufacturing process

ESP-0 Code Modules

Features

• Pre-programmed, pre-provisioned Matter certified modules
• Support for various device types (lights, sockets, switches, etc.)
• Support both Matter over Wi-Fi and Thread devices

Advantages

• Easiest way to create Matter-enabled devices
• Certification maintained by Expressive
• No need for custom apps or voice assistant skills
• Compatibility with major ecosystems (Alexa, Google, Apple, Samsung)
• Device management and OTA dashboard
• Optional ESP Rainmaker Cloud connectivity

ESP Zero Code Console

• Visit zero code.expressive.com
• Simplifies product creation process

Q&A Session

• Cost structures: Membership fees, lab fees, CSA certification fees
• Importance of certification for launching products
• ESP zero code module capabilities and future plans
• Family product certification examples

Conclusion

• Gratitude for participation
• Invitation to ask more questions and stay tuned for further webinars