wiki-grav/pages/02.linux/19.step-ca/default.en.md
2022-05-20 21:23:16 +02:00

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---
title: Step-CA
---
## 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](https://smallstep.com/docs/step-cli/basic-crypto-operations)
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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](https://wiki.archlinux.org/title/Transport_Layer_Security#Add_a_certificate_to_a_trust_store)
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Add new trust anchor
`# trust anchor (root ca.crt)`
List trust anchors
`$ trust list`