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title
Step-CA

[toc]

Server

# podman run -d --name step-ca \
    -v step:/home/step \
    -p 9000:9000 \
    -e "DOCKER_STEPCA_INIT_NAME=Demiurge" \
    -e "DOCKER_STEPCA_INIT_DNS_NAMES=(hostname),(hostname2)" \
    docker.io/smallstep/step-ca

Get the root ca fingerprint
# podman run -v step:/home/step smallstep/step-ca step certificate fingerprint certs/root_ca.crt

To view your ca password, run this command
# podman run -v step:/home/step smallstep/step-ca cat secrets/password

ACME Server

Enable ACME. Restart the server afterwards.
$ step ca provisioner add acme --type ACME

Client

Initialize the step-cli client
step-cli ca bootstrap --ca-url https://(domain/ip):9000 --fingerprint (root_ca fingerprint)

Create Certificates

Official documentation

Enter the container
# podman exec -it step-ca bash

Client Certificate

step certificate create (cert name) client-certs/(cert name).crt client-certs/(cert name).key \
    --profile leaf --not-after=8760h \
    --ca certs/intermediate_ca.crt \
    --ca-key secrets/intermediate_ca_key \
    --bundle

Add SANs with the --san=-flag. Add multiple flags for multiple SANs.

ACME

Point your ACME client to https://(domain/ip):9000/acme/(provisioner-name)/directory

Device Truststore

Arch Linux

Archwiki Article on TLS

Add new trust anchor
# trust anchor (root ca.crt)
List trust anchors
$ trust list

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