right|thumb|A fragment of the DeCSS code, which can be used by a computer to circumvent a DVD's copy protection.
right|thumb|A fragment of the DeCSS code, which can be used by a computer to circumvent a DVD's copy protection.
DeCSS is one of the first free computer programs capable of decrypting commercially produced DVD-Video discs. Before the release of DeCSS, free and open source operating systems (such as BSD and Linux) could not play encrypted video DVDs.
Discovered by embedding cosine similarity (sentence-transformers MiniLM, 384-dim).