$ go install github.com/d4c5d1e0/kekcrypt/cmd/kekcrypt@latest
Usage: kekcrypt [--mode MODE] [--file FILE] [--out OUT]
Options:
--mode MODE, -m MODE Set the mode, 'enc' for encryption / 'dec' for decryption
--file FILE, -f FILE Target file to encrypt or decrypt
--out OUT, -o OUT Where to write the encrypted/decrypted file, for decryption it defaults to the name of the file when encrypted, for encryption it just append .kek
--help, -h display this help and exit
$ kekcrypt -m enc -f db.7z
$ kekcrypt -m dec -f db.7z.kek -o db.7z.dec