demo about sealing on gramine

[RicLee0124]

I am learnig about sealing usage on gramine, but I can not found and demo about, I do not konw how to use the manifest syntax
. any one cloud supply a demo about sealing on gramine? great appreciate it !!!

[dimakuv]

https://github.com/gramineproject/gramine/tree/master/libos/test/regression -- please check the sealed_file.c and corresponding manifest manifest.template and how this test is run in test_libos.py.

Please also read through https://gramine.readthedocs.io/en/latest/manifest-syntax.html#encrypted-files