Field notes
Notes on hiding
things properly.
What encryption does, what concealment does, and where each one stops. Written for people who would rather understand a tool than trust it.
- 01
Threat modelling for freelancers and small studios on a shared Mac
Most client data is not lost to attackers. It is lost to a machine that more than one person uses, and a folder nobody thought about.
Threat model - 02
XChaCha20-Poly1305 and Argon2id, in plain language
Two names that appear in every serious encryption product, explained without the mathematics — and why the boring choice is the right one.
Cryptography - 03
FSKit, explained: a real drive in Finder without a kernel extension
For years, mounting a custom volume on macOS meant shipping code into the kernel. FSKit is the reason Subfile does not have to.
macOS - 04
Choosing a carrier file: why video beats photos for large vaults
A photo makes the better demo. A video makes the better vault. The difference is entirely about what size looks normal.
Carriers - 05
What a hidden volume actually protects you from
Steganographic containers buy you a specific kind of quiet. Here is where the quiet holds, and where it does not.
Security
Every file can have
a private side.
Try it on one of your own files. It takes about thirty seconds to understand.
subfile --version 1.0 · offline · no telemetry