Hello !
On this page https://docs.microsoft.com/en-us/windows/win32/seccng/cng-portal
exists download link to Cryptographic Provider development kit what is broken for some time.
May be this PDk is merged with other one or renamed ?
"
If you are developing a CNG cryptographic algorithm provider or key storage provider, you must download the Cryptographic Provider Development Kit from Microsoft.
"
Where I can find it ?
Regards,
Eugene