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OSCORE: A look at the new IoT security protocol

November 07, 2019

As with common Internet nodes such as web servers and mobile phones, connected embedded IoT devices should also support a web-based interaction paradigm with requests and responses using uniform resource identifiers (URIs). However, compared to web servers and mobile phones, IoT devices can be more constrained in performance, availability and power. Therefore, the default techniques used in the Internet today must be replaced with more lightweight dedicated variants suitable for constrained IoT devices.In July 2019, the Internet Engineering Task Force (IETF) published a new standard (RFC 8613) which is designed to  protect web-based interactions in constrained IoT deployments. This new communication security protocol is known as OSCORE (Object Security for Constrained RESTful Environments).