topic Hi, in Intel® Software Guard Extensions (Intel® SGX)

Execute sleep() inside an enclave

Shredha_K_ — Sun, 14 May 2017 12:16:13 GMT

Hi,

Is it possible to execute a sleep() inside an enclave.

Thanks in advance

Anusha_K_Intel — Mon, 15 May 2017 11:24:29 GMT

Hi,

Os calls(sleep()) cannot be used directly inside the enclave. We can use an OCALL to execute them.

Shredha_K_ — Thu, 18 May 2017 12:26:45 GMT

Thank you Anusha :)

chaoshun_z_ — Tue, 11 Jul 2017 17:45:19 GMT

OCALL may not safe since the sleep action will be performed by untrusted part, so I implemented sleep by using "sgx_get_trusted_time"

you_w_ — Fri, 14 Jul 2017 02:12:29 GMT

I think If you really need this, just make an OCALL. But in this way the time sleep()ed may not be accurate.