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SSH CA as a Container

This project incorperates cloudtools/ssh-cert-authority into a Docker container for easy use.

Requirements

  • Docker
  • Docker-Compose

Installation

  1. Download this project.
  2. Choose a current key you use and get the MD5 fingerprint of that key. 
    ssh-keygen -l -E md5 -f [YOUR KEY PATH] | head -n 1 | awk '{ printf($2) }' | cut -c 5-
  3. Open daemon_config.json and replace:
    • hash with your fingerprint from the previous command.
    • user@hostname with your username and hostname.

Usage

To start the server do:

docker-compose up -d

The CA server should now be available on http://127.0.0.1:8080. To change the port edit the docker-compose.yml

To interact with the server, download the latest ssh-cert-authority binary from cloudtools/ssh-cert-authority. Packages may also be available for some distributions.

Environment variables

name default value description
ADDRESS 0.0.0.0 Listening IP
PORT 8080 Listening port
KEY_BITS 4096 Bit size for generating new SSH CA key
KEY_PATH /keys/key.pem SSH CA Key path