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measurement-reader: add support for TDX

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This commit is contained in:
Nils Hanke 2023-03-09 18:11:47 +01:00 • committed by Malte Poll
parent dd2da25ebe
commit 253d201ff3
3 changed files with 145 additions and 1 deletions
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10
measurement-reader/cmd/main.go
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@ -14,6 +14,7 @@ import (
"github.com/edgelesssys/constellation/v2/internal/logger"
"github.com/edgelesssys/constellation/v2/internal/variant"
"github.com/edgelesssys/constellation/v2/measurement-reader/internal/sorted"
"github.com/edgelesssys/constellation/v2/measurement-reader/internal/tdx"
"github.com/edgelesssys/constellation/v2/measurement-reader/internal/tpm"
"go.uber.org/zap"
"go.uber.org/zap/zapcore"
@ -34,12 +35,19 @@ func main() {
if err != nil {
log.With(zap.Error(err)).Fatalf("Failed to read TPM measurements")
}
case oid.QEMUTDX{}:
m, err = tdx.Measurements()
if err != nil {
log.With(zap.Error(err)).Fatalf("Failed to read Intel TDX measurements")
}
default:
log.With(zap.String("attestationVariant", variantString)).Fatalf("Unsupported attestation variant")
}
fmt.Println("Measurements:")
for _, measurement := range m {
fmt.Printf("\t%s : 0x%0X\n", measurement.Index, measurement.Value)
// -7 should ensure consistent padding across all current prefixes: PCR[xx], MRTD, RTMR[x].
// If the prefix gets longer somewhen in the future, this might need adjustment for consistent padding.
fmt.Printf("\t%-7s : 0x%0X\n", measurement.Index, measurement.Value)
}
}