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I wonder if it's possible to design a practical stream format + encryption algorithm combo that allows an intermediary to downsample the stream without requirin
by 10000truths 6y ago
I wonder if it's possible to design a practical stream format + encryption algorithm combo that allows an intermediary to downsample the stream without requiring knowledge of the unencrypted contents of the stream. Sounds like a really cool topic for a PhD thesis.
- short_sells_poo 6y agoI'm not an expert but I believe Homomorphic Encryption may make this possible: https://en.wikipedia.org/wiki/Homomorphic_encryption https://en.wikipedia.org/wiki/Homomorphic_encryption
- mark-wagner 6y agoI'm even less of an expert but here is an example: https://pdfs.semanticscholar.org/a42e/022f812a7b5c464cf83454bc6df7f18cdf9b.pdf https://pdfs.semanticscholar.org/a42e/022f812a7b5c464cf83454...
- abdulhaq 6y agoSender sends video as a base quality stream plus a delta to the next level quality and plus a third stream which is the delta to top quality. Server passes on either 1, 2, or 3 streams according to bandwidth