I have a bit of data that has to be encrypted and stored into a file so that it can be moved across file systems and possibly OSes. Disk encryption like dm-crypt and a loop device isn’t appropriate as it may not exist on another OS.
It’s been a very long time since I needed this sort of software. More than a decade ago I used TrueCrypt. I know that VeraCrypt is the current re-incarnationn of the project. Is that still the go-to software for this sort of application? Is there something else that’s popular these days?
Lot of good suggestions. The other one is to get a HIPAA compliant encrypted USB drive that has a keyboard on it for entering the unlock code.
I also like just creating an encrypted archive like 7z or GPG encrypted Zip depending on what your platforms can do. Windows and Linux typically can have 7zip. Linux and android GPG and Zip is pretty possible. Can be done on Windows too with extra software.