Hello Protocols, Packets, and Programs,
It’s episode 221-B as in Baker Street and Sherlock Holmes.
The famous detective who solved mysteries with his companion Watson,
And in one such story, provided a lesson to appsec with the warning,
“…how dangerous it always is to reason from insufficient data.”
The interview segment with Kenn White talked about queryable encryption – a way to maintain confidentiality of data while still being able to run common queries like equality, ranges, or partial string matching.
We didn’t wade into deep cryptographic details, but touched on some principles like modes of operation for block ciphers. A great resource to learn more about common cryptographic principles and constructions is the online cryptography course from Dan Boneh.