Widevine L1 vs L3: security levels explained
Widevine L1 keeps keys in hardware; L3 keeps them in software and was publicly broken in 2019. Why that matters, why apps cap L3 quality, and what to ask.
Ideas & updates
The Upclass Blog
Security, piracy and engineering deep dives, plus practical ideas for growing your institute. From the team building Upclass.
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Verifiable parental consent under DPDP: an educator's guide
Under DPDP, students under 18 are children. How to verify a parent under Rule 10, which tracking and ads are barred, the exemption for educational institutions, and a sign-up flow.
Multi-DRM explained: Widevine, FairPlay, PlayReady and CENC
How one library serves Widevine, FairPlay and PlayReady through CENC, where multi-DRM breaks down, the costs and approvals involved, and what to ask a vendor.
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