A server without TLS was added to serve the SCEP endpoints. According
to the RFC, SCEP has to be served via HTTP. The `sscep` client, for
example, will stop any URL that does not start with `http://` from
being used, so serving SCEP seems to be the right way to do it.
This commit adds a second server for which no TLS configuration is
configured. A distinct field in the configuration, `insecureAddress`
was added to specify the address for the insecure server.
The SCEP endpoints will also still be served via HTTPS. Some clients
may be able to work with that.
This commit also improves how the crypto.Decrypter interface is
handled for the different types of KMSes supported by step. The
apiv1.Decrypter interface was added. Currently only SoftKMS
implements this interface, providing a crypto.Decrypter required
for SCEP operations.
This change makes easier the configuration of cloudCAS as it does
not require to configure the root or intermediate certificate
in the ca.json. CloudCAS will get the root certificate using
the configured certificateAuthority.
This change is to make easier the use of embedded authorities. It
can be difficult for third parties to know what fields are required.
The new init methods will define the minimum usable configuration.
When the CA is embedded in a third party product like Caddy, the
config needed to use placeholders to be valid. This change adds
a new method `NewEmbeddedAuthority` that allows to create an
authority with the given options, the minimum options are a root
and intermediate certificate, and the intermediate key.
Fixes#218
* authorize returns []interface{}
- operators in this list can conform to any interface the user decides
- our implementation has a combination of certificate claim validators
and certificate template modifiers.
* provisioners can set and enforce tls cert options
