Hacker News new | ask | show | jobs
by DannyBee 1116 days ago
You can actually do it both ways - where the ciphertext is an obfuscated program, and where keys a programs and ciphertexts are short.

https://eprint.iacr.org/2013/454.pdf and friends have a direct description of the latter and references to the former.

This is just one mechanism.