As a fully-fledged Opkg repository, Artifactory generates index files that are fully compliant with the Opkg client.
Artifactory support for Opkg provides:
The ability to provision ipk packages from Artifactory to an Opkg client from local and remote repositories.
Calculation of Metadata for ipk packages hosted in Local Repositories .
Providing GPG signatures that can be used by Opkg clients to verify packages.
Complete management of GPG signatures using the Artifactory UI and the REST API.
Artifactory signs repository metadata (not packages) for Opkg.