barcode 2 eye

steps

[ ] byte string -> barcode [ ] generate string for signing { } [ ] UTF8 -> Byte string -> 2D (QR) code -> [ ] [with camera] barcode -> byte string

important

https://pypi.org/project/pyzbar/ https://crates.io/crates/rxing https://crates.io/crates/barcoders https://crates.io/crates/dbr