How does ROCA affect Windows secure boot?

In Summary :

I've been doing some research on the Infineon vulnerability known as ROCA over the last few days. As I understand it, the vulnerability is present when a TPM running vulnerable firmware generates an RSA key. At that point, the public key can be used to derive the private key. My question, however, is how this affects secure boot in current versions of Windows. As far as I know, the TPM does not perform any key generation for secure boot and the secure boot keys are managed by Microsoft. Therefor, as far as the end user is concerned, ROCA isn't really relevant in the context of secure boot. Is this correct? [...]

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