Modbus Poll License Key Now

The is a pure .NET Standard 2.1 assembly, reusable by future cross‑platform versions of Modbus Poll. 7. Data Model | Entity | Fields | Description | |--------|--------|-------------| | LicenseKey | KeyId (GUID) Product (enum) Edition (enum) IssuedAt (UTC) ExpiresAt (UTC) Features (bitmask) Signature (byte[]) | Raw data supplied to the user. | | ActivationToken | TokenId (GUID) KeyId (GUID) Fingerprint (SHA‑256) IssuedAt (UTC) ExpiresAt (UTC) Features (bitmask) Signature (byte[]) | Stored locally after activation. | | RevocationList | KeyId (GUID) RevokedAt (UTC) | Populated by server; cached client‑side for 24 h. |

All timestamps are UTC ISO‑8601 strings in JSON payloads. | Method | Endpoint | Request | Response | HTTP Codes | |--------|----------|---------|----------|------------| | POST | /api/v1/activate | json "key": "BASE64", "fingerprint": "HEX", "client_version": "2.7.1" | json "token": "BASE64", "expires_at": "2027-03-01T00:00:00Z", "features": ["ADVANCED_SCHEDULER"], "signature": "BASE64" | 200 OK, 400 BadRequest, 403 Forbidden, 429 TooManyRequests | | GET | /api/v1/revocation | – | json "revoked_keys": ["GUID1","GUID2"], "timestamp": "2026-04-01T12:00:00Z", "signature": "BASE64" | 200 OK | | POST | /api/v1/offline/request | Same as /activate (multipart/form‑data) | Returns a .req file (JSON). | 200 OK | | POST | /api/v1/offline/response | Uploads .req → Returns .rsp (signed token). | 200 OK | modbus poll license key

All communications require TLS 1.3 and HSTS. | Screen | Description | |--------|-------------| | License Entry | Textbox (single‑line) + “Activate” button. Shows status (green “Valid”, red “Invalid”). | | License Info | Table: Product, Edition, Expiration, Features, Status. “Revoke” button, “Export Token” (for support). | | Restricted Mode Banner | Red banner at top: “Trial expired – Running in restricted mode. Please renew.” | | Offline Activation Wizard | Step 1: “Export Request”, Step 2: “Upload Response”. Files saved in %APPDATA%\ModbusPoll\Licensing . | The is a pure