Dear Harald, Thanks for the answer.
> that is true, and has been very clear from the very beginning of the > eSIM universe. It's a *MASSIVE* shift of control from "whoever is > technically capaable to issue a chip card with an UICC/USIM profile on > it" to a single, cerntralized entity of control. It's one of my main > criticisms of this scheme. No doubt, this is terrible. And I am not even sure how soon we will see the increase of UEs that has not physical SIM slots at all... > The eUICC specifications explicitly permit multiple roots of trust, and > I have personally successfully created such eUICCs. > > It's just that the eUICCs don't offer anyone the addition of such roots > of trust except [even that optionally] the EUM (eUICC manufacturer). Yeah, this would be a solution if I want to build my own UEs and can embed an EUM eUICC, so I can upload my own certs, then I could use my own SM-DP+ and eSIM profiles. Not really an option for private network operators with commercial UEs at play unfortunately. > sysmocom does not have any plans to operate a GSMA-accredited SM-DP+ > itself. However, we do work with partners who do and we are able to > issue GSMA-signed eSIM profiles. If I wouldn't be constantly distracted > by other tasks, we would also have completed the development of a > web-based platform where customers can personalize such profiles - sadly > that is still WIP at this point. But we can do it manually, if you have > a UPP that you'd want to get signed. Shall I reach out to you in private to further discuss this? Regards, Csaba