encp

Simple data en/decryption

Usage

encp - Simple data en/decryption
Encrypt (default) or decrypt stdin or file to stdout with keyfile or password.
Usage:  encp [-d|--decrypt] [<file>] [<options>]
    Options:  [-q|--quiet] [-r|--random | -k|--keyfile] | -h|--help
        -r|--random:             Encrypt with random password (and display it)
        -k|--keyfile <keyfile>:  Use (part of) <keyfile> as the password
        -q|--quiet:              Suppress output on stderr (errors and prompts)
        -h|--help:               Show this help text (ignore all other options)
    A password must be entered if -r|--random and -k|--keyfile are not given.

Examples of simple file encryption

encp secret.file >secret.file.encp
encp secret.file --random >secret.file.encp  # Will display the used password

Examples of simple file decryption

encp --decrypt secret.file.encp --keyfile file.key >secret.file
encp -d secret.file.encp |less

Example of encrypted file transfer

nc -l 6666 |encp --decrypt >destination.file
encp source.file |nc host.ip 6666

Example of compressed encrypted archive

zstd --stdout "$file" |encp >"$file.zst.encp"
zstd --stdout "$file" |encp --keyfile file.key >"$file.zst.encp"

Installation

Download the precompiled single binary for amd64 and make it executable with chmod +x encp.

Or clone the repository by git clone https://gitlab.com/pepa65/encp, do cd encp and do:

make
sudo make install

Dependencies

None, libhydrogen is included as a submodule. It is updated by: git pull -v --recurse-submodules