Certs Service#
Issues certificates for things. Certs
service can create certificates to be used when Mainflux
is deployed to support mTLS.
Certs
service will create certificate for valid thing ID if valid user token is passed and user is owner of the provided thing ID.
Certificate service can create certificates in two modes:
1. Development mode - to be used when no PKI is deployed, this works similar to the make thing_cert
2. PKI mode - certificates issued by PKI, when you deploy Vault
as PKI certificate management cert
service will proxy requests to Vault
previously checking access rights and saving info on successfully created certificate.
Development mode#
If MF_CERTS_VAULT_HOST
is empty than Development mode is on.
To issue a certificate:
TOK=`curl -s --insecure -S -X POST http://localhost/tokens -H 'Content-Type: application/json' -d '{"email":"edge@email.com","password":"12345678"}' | jq -r '.token'`
curl -s -S -X POST http://localhost:8204/certs -H "Authorization: $TOK" -H 'Content-Type: application/json' -d '{"thing_id":<thing_id>, "rsa_bits":2048, "key_type":"rsa"}'
{
"ThingID": "",
"ClientCert": "-----BEGIN CERTIFICATE-----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\nDUMdvYwgj0cUCEu3LA==\n-----END CERTIFICATE-----\n",
"IssuingCA": "",
"CAChain": null,
"ClientKey": "-----BEGIN RSA PRIVATE KEY-----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\nea7KQHTfTdRhOLUzW2yVqLi9pzfTfA6Yqf3U1YD3bgnWrp1VQnjo\n-----END RSA PRIVATE KEY-----\n",
"PrivateKeyType": "",
"Serial": "",
"Expire": "0001-01-01T00:00:00Z"
}
PKI mode#
When MF_CERTS_VAULT_HOST
is set it is presumed that Vault
is installed and certs
service will issue certificates using Vault
API.
First you'll need to set up Vault
.
To setup Vault
follow steps in Build Your Own Certificate Authority (CA).
To setup certs service with Vault
following environment variables must be set:
MF_CERTS_VAULT_HOST=vault-domain.com
MF_CERTS_VAULT_PKI_PATH=<vault_pki_path>
MF_CERTS_VAULT_ROLE=<vault_role>
MF_CERTS_VAULT_TOKEN=<vault_acces_token>
For lab purposes you can use docker-compose and script for setting up PKI in https://github.com/mteodor/vault
Issuing certificate is same as in Development mode. In this mode certificates can also be revoked:
curl -s -S -X DELETE http://localhost:8204/certs/revoke -H "Authorization: $TOK" -H 'Content-Type: application/json' -d '{"thing_id":"c30b8842-507c-4bcd-973c-74008cef3be5"}'
For more information about the Certification service API, please check out the API documentation.