Customers who build smart home devices using the Matter protocol from the Connectivity Standards Alliance (CSA) need to create and maintain digital certificates, called device attestation certificates (DACs), to allow their devices to interoperate with devices from other vendors. DACs must be issued by a Matter device attestation certificate …

In this blog post, you’ll learn how to implement the OAuth 2.0 device authorization grant flow for Amazon Cognito by using AWS Lambda and Amazon DynamoDB. When you implement the OAuth 2.0 authorization framework (RFC 6749) for internet-connected devices with limited input capabilities or that lack …