Following open source software was developed in the CRITISEC project:

OSCORE

Specification: https://datatracker.ietf.org/doc/rfc8613/

Group OSCORE

Specification: https://datatracker.ietf.org/doc/draft-ietf-core-oscore-groupcomm/

ACE Framework for Authentication and Authorization

ACE Framework, together with its DTLS profile and OSCORE profile.

Specifications:

Key provisioning for OSCORE groups using the ACE Framework

Specification: https://datatracker.ietf.org/doc/draft-ietf-ace-key-groupcomm-oscore/

Log Message Template Identification