i had this idea that a program can edit files in an encrypted environment. WinRaR with higher level of encryption would be the best way to describe it. but i was wonder if the files on a linux HDD or SDD are encrypted.
I do have this idea that you can save encrypted files to a cloud server and pull it out and unencrypted by a light weight program
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There is dmcrypt that basically does what you want. IDK if the implementation is in kernel space though. It works through /dev/mapper if that matters.
I’m too high to understand encrypt but it sounds close to what I want. I’ll have to research it later
Look up docs for cryptsetup which is the simplest way to use it. The Debian installer (and maybe others) can set it up for you automatically as well.
I do have this idea that you can save encrypted files to a cloud server and pull it out and unencrypted by a light weight program
Sounds like Cryptomator would work for you.
KDE has built in “vaults” now that sound maybe like what you’re looking for.
Storing files encrypted and decrypting them on-demand is called “encryption at rest”. Linux supports it but is not enabled by default. You can also encrypt /boot to get FDE (Full Disk Encryption) to ensure that the kernel or bootloader is not tampered with. Look into LUKS
This is not entirely correct. Many distributions do enable encryption by default. Also, encrypting the /boot partition does not guarantee the integrity of the boot sequence, you need to enable and correctly configure Secure Boot for that.
