On Wed, 2019-04-17 at 13:39 +0300, Jarkko Sakkinen wrote: > In order to provide a mechanism for devilering provisoning rights: > > 1. Add a new device file /dev/sgx/provision that works as a token for > allowing an enclave to have the provisioning privileges. > 2. Add a new ioctl called SGX_IOC_ENCLAVE_SET_ATTRIBUTE that accepts the > following data structure: > > struct sgx_enclave_set_attribute { > __u64 addr; > __u64 attribute_fd; > }; > > A daemon could sit on top of /dev/sgx/provision and send a file > descriptor of this file to a process that needs to be able to provision > enclaves. > > The way this API is used is straight-forward. Lets assume that dev_fd is > a handle to /dev/sgx/enclave and prov_fd is a handle to > /dev/sgx/provision. You would allow SGX_IOC_ENCLAVE_CREATE to > initialize an enclave with the PROVISIONKEY attribute by > > params.addr = <enclave address>; > params.token_fd = prov_fd; > Should be params.attribute_fd = prov_fd; Thanks, -Kai