Workflow Client Service Captcha

Both workflows should be supported.

Second workflow:
Step 6 and 7 are critical.
Service needs a way to verify, that the captcha was solved correctly.

1. CASE: User —> Server/Service —> Captcha-Service —> Server —> User —> Service —> Captcha —> Service
2. CASE: User —> Service (bearbeite ) —> User —> Captcha —> User —> Captcha —> User —> Service

Einbindung von über Server oder iframe