| .. | ||
| .vscode | ||
| Entities/LetsEncrypt | ||
| Exceptions | ||
| Helpers | ||
| Models | ||
| Services | ||
| App.cs | ||
| appsettings.json | ||
| LetsEncrypt.csproj | ||
| Program.cs | ||
| README.md | ||
#ACMEv2 Client library
https://tools.ietf.org/html/draft-ietf-acme-acme-18
The following diagram illustrates the relations between resources on an ACME server. For the most part, these relations are expressed by URLs provided as strings in the resources' JSON representations. Lines with labels in quotes indicate HTTP link relations.
directory
|
+--> new-nonce
|
+----------+----------+-----+-----+------------+
| | | | |
| | | | |
V V V V V
newAccount newAuthz newOrder revokeCert keyChange
| | |
| | |
V | V
account | order -----> cert
| |
| |
| V
+------> authz
| ^
| | "up"
V |
challenge
+-------------------+--------------------------------+--------------+ | Action | Request | Response | +-------------------+--------------------------------+--------------+ | Get directory | GET directory | 200 | | | | | | Get nonce | HEAD newNonce | 200 | | | | | | Create account | POST newAccount | 201 -> | | | | account | | | | | | Submit order | POST newOrder | 201 -> order | | | | | | Fetch challenges | POST-as-GET order's | 200 | | | authorization urls | | | | | | | Respond to | POST authorization challenge | 200 | | challenges | urls | | | | | | | Poll for status | POST-as-GET order | 200 | | | | | | Finalize order | POST order's finalize url | 200 | | | | | | Poll for status | POST-as-GET order | 200 | | | | | | Download | POST-as-GET order's | 200 | | certificate | certificate url | | +-------------------+--------------------------------+--------------+
pending
|
| Receive
| response
V
processing <-+
| | | Server retry or
| | | client retry request
| +----+
|
|
Successful | Failed validation | validation +---------+---------+ | | V V valid invalid