Output destination of sgx_rijndael128GCM_encrypt

Intel® Software Guard Extensions (Intel® SGX)

Discussion board focused on hardware-based isolation and memory encryption to provide extended code protection in solutions.

Output destination of sgx_rijndael128GCM_encrypt

319 Views

Hi, I was wondering, why the developer reference regarding sgx_rijndael128GCM_encrypt says:

It is recommended that the source and destination data buffers are allocated within the enclave.

Would it have any security implications, when I use memory allocated outside enclave memory? In my opinion I would save a memcpy from temporary enclave memory to outside enclave memory, i if I use outside enclave memory as a destination for the encryption. Best regards, Colin

Link Copied

0 Replies

Community support is provided during standard business hours (Monday to Friday 7AM - 5PM PST). Other contact methods are available here.

Intel does not verify all solutions, including but not limited to any file transfers that may appear in this community. Accordingly, Intel disclaims all express and implied warranties, including without limitation, the implied warranties of merchantability, fitness for a particular purpose, and non-infringement, as well as any warranty arising from course of performance, course of dealing, or usage in trade.

For more complete information about compiler optimizations, see our Optimization Notice.