sick ==== Cryptographically sign and check files. This utility signs and checks streams of data using [ed25519][0] signatures, either in binary or armored text format. Features ----- - Sign streams of data - Made to use with pipes - Generate either armored or binary signatures - Can use keys from keyring (`$KEYRING` directory) Usage ----- See the sick(1) manpage for details. The below commands are provided as a quick introduction: # generate key pair sick -g alice # sign and check a file sick -sf alice.key README | sick -f alice.pub # get the base64 encoded signature of a file sick -saf alice.key README | tail -c 156 Installation ------------ Edit config.mk as needed, then build/install with the following commands: make make install [0]: https://ed25519.cr.yp.to/software.html