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How encryption for Cinema Movies works

(serverless.industries)
230 points perryflynn | 1 comments | 20 Apr 25 17:52 UTC | HN request time: 0.388s | source
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dherls ◴[21 Apr 25 03:49 UTC] No.43748376[source]▶
I'm confused why it's encrypted as a JPEG image per frame instead of one AES encrypted video file. Since the same AES key is used for each frame it wouldn't add any additional security imo
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perryflynn ◴[21 Apr 25 10:30 UTC] No.43750284[source]▶
One movie can be 200G to 1TB large. The chunked encryption allows it to seek the movie without decrypting from the beginning.
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1. 01HNNWZ0MV43FF ◴[21 Apr 25 15:22 UTC] No.43752982[source]▶
But any computer with full disk encryption also has seekable encryption