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charset=utf-8; format=flowed Content-Language: en-US Content-Transfer-Encoding: quoted-printable On 2018-12-07 22:01, Dr. Greg wrote: > Baidu and Fortanix are working on Trusted RunTime Systems (TRTS) based > on RUST, I believe, so this will affect them to the extent that they > are implementing their own low level enclave runtime support or they > may be simply building on top of the low level Intel TRTS. Perhaps > Jethro would comment on these issues if he could. As far as I know, Baidu merely provides Rust bindings to the Intel SDK.=20 As far as our requirements, I've sent those in my previous email. > I'm assuming that in the proposed model the URTS would interrogate the > VDSO to determine the availability of entry and exception handling > support and then setup the appropriate infrastructure and exit > handler? VDSO's are typically the domain of the system library. > Given the nature of SGX I couldn't even conceive of Glibc offering > support and, if it was acceptable to provide support, the potential > timeframe that would be involved in seeing deployment in the field. >=20 > As a result, do you anticipate the need for a 'flag day' with respect > to URTS/PSW/SDK support for all of this? It is my understanding that the use of the vDSO enclave entry will be=20 optional. i.e., if your application/library/enclave combination installs = a signal handler and calls ENCLU directly, that would still work. Of=20 course, using the vDSO will be very strongly recommended. -- Jethro Beekman | Fortanix --------------ms050001030904030700010801 Content-Type: application/pkcs7-signature; name="smime.p7s" Content-Transfer-Encoding: base64 Content-Disposition: attachment; filename="smime.p7s" Content-Description: S/MIME Cryptographic Signature MIAGCSqGSIb3DQEHAqCAMIACAQExDzANBglghkgBZQMEAgEFADCABgkqhkiG9w0BBwEAAKCC Cx8wggUxMIIEGaADAgECAhBdZC9mIseKJlmxx1xn+g00MA0GCSqGSIb3DQEBCwUAMIGXMQsw CQYDVQQGEwJHQjEbMBkGA1UECBMSR3JlYXRlciBNYW5jaGVzdGVyMRAwDgYDVQQHEwdTYWxm b3JkMRowGAYDVQQKExFDT01PRE8gQ0EgTGltaXRlZDE9MDsGA1UEAxM0Q09NT0RPIFJTQSBD bGllbnQgQXV0aGVudGljYXRpb24gYW5kIFNlY3VyZSBFbWFpbCBDQTAeFw0xODA5MTUwMDAw MDBaFw0xOTA5MTUyMzU5NTlaMCQxIjAgBgkqhkiG9w0BCQEWE2pldGhyb0Bmb3J0YW5peC5j b20wggEiMA0GCSqGSIb3DQEBAQUAA4IBDwAwggEKAoIBAQDRQDOQsroKjy2xAQCXLyqryJt4 Xwj8hcweJCzOnjILKHIoWlOQ0b9yIbFLIWBRt/9zdxlE5ZabDVHnkIyhcVgtU/BA73e78Wx2 LOObdg0wfs9U2CVRYhz2EPHFjGvkYKihItt69ye91hj1w7RKCrYC8KZGSZ/+sbkJzQdXVy32 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