What is a good common approach for encrypted backup/restore on an embedded device?

An embedded device with Linux supports backup/restore of files encrypted with openssl. The idea of backup is: tar -c …. | openssl smime -encrypt -binary -aes-256-cbc -out backupfile.encrypted -outform DER certificate.key and the idea of … Continue reading What is a good common approach for encrypted backup/restore on an embedded device?