Vendor
This is downloaded from https://github.com/latchset/pkcs11-headers/blob/c5e61990c5621a9b955fc208644fe8145ac0a75d/public-domain/3.2/pkcs11.h:
```shell
wget https://raw.githubusercontent.com/latchset/pkcs11-headers/c5e61990c5621a9b955fc208644fe8145ac0a75d/public-domain/3.2/pkcs11.h
```