I'm trying to validate Managed Device Attestation. This works fine on iOS, and i'm trying to test with an Intel based MAC and an Apple Silicon MAC.
For Intel MACs, I see the following error that it isn't able to generated the chip/ecid. I'm sending my device the ACME payload (https://developer.apple.com/documentation/devicemanagement/acmecertificate) with Attest and HardwareBound set to True.
It seems to occur when it tries to get the Attestation Statement from Apple.
The error is (from console App):
attestation request failed with error Error Domain=com.apple.appattest.error Code=-1 "Failed to generate chip/ecid" UserInfo={NSLocalizedDescription=Failed to generate chip/ecid, NSUnderlyingError=0x7f8199326c60 {Error Domain=com.apple.appattest.error Code=-1 "Failed to retrieve UniqueChipID." UserInfo={NSLocalizedDescription=Failed to retrieve UniqueChipID.}}}
And finally leads to,
[ERROR] [0:Cert_PI:<0x24d1d>] [CE] ACME_Install failed ==> Error Domain=NSOSStatusErrorDomain Code=-67673 "failed to successfully respond to challenge" UserInfo={NSLocalizedDescription=failed to successfully respond to challenge}
