| From | Andy Lutomirski <> | Date | Fri, 8 Jun 2018 11:50:14 -0700 | Subject | Re: [intel-sgx-kernel-dev] [PATCH v11 13/13] intel_sgx: in-kernel launch enclave |
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On Fri, Jun 8, 2018 at 10:32 AM Jarkko Sakkinen <jarkko.sakkinen@linux.intel.com> wrote: > > The Launch Enclave (LE) generates cryptographic launch tokens for user > enclaves. A launch token is used by EINIT to check whether the enclave > is authorized to launch or not. By having its own launch enclave, Linux > has full control of the enclave launch process. > > LE is wrapped into a user space proxy program that reads enclave > signatures outputs launch tokens. The kernel-side glue code is > implemented by using the user space helper framework. The IPC between > the LE proxy program and kernel is handled with an anonymous inode. > > The commit also adds enclave signing tool that is used by kbuild to > measure and sign the launch enclave. CONFIG_INTEL_SGX_SIGNING_KEY points > to a PEM-file for the 3072-bit RSA key that is used as the LE public key > pair. The default location is:
It might be nice to use the infrastructure that Alexei added for bpfilter (the umh_blob stuff) here, which is slated for merging in this merge window.
--Andy
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