SFTP server file encryption

So I currently have my router set up as a sftp server, the only way to access the server from wan is to vpn into the router and then start the sftp connection. however I want to add one more layer of protection and use file encryption as I usually transmit sensitive info over the connection. Is there any way to set up a PGP encryption for the files on the server? I cant seem to find anything regarding this?

try this
opkg list | grep gnupg

I have not used it.

Are you looking to do the PGP key dance or just something like a symmetric key?

Could do this:

opkg install openssl-util 

root@OpenWrt:~# cat ssn.txt
my SSN is 409-52-2002
root@OpenWrt:~# openssl aes-256-cbc -a -salt -pbkdf2 -in ssn.txt -out ssn.encrypted
enter aes-256-cbc encryption password:
Verifying - enter aes-256-cbc encryption password:
root@OpenWrt:~# cat ssn.encrypted
root@OpenWrt:~# openssl aes-256-cbc -d -a -pbkdf2 -in ssn.encrypted -out ssn.new
enter aes-256-cbc decryption password:
root@OpenWrt:~# cat ssn.new
my SSN is 409-52-2002
1 Like

GnuPG was what I was looking for, thanks!

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