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constellation/internal/attestation/azure/snp/validator_test.go

408 lines
50 KiB
Go
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/*
Copyright (c) Edgeless Systems GmbH
SPDX-License-Identifier: AGPL-3.0-only
*/
package snp
import (
"bytes"
"crypto/sha256"
"encoding/base64"
"encoding/binary"
"encoding/hex"
"encoding/json"
"errors"
"fmt"
"testing"
"github.com/edgelesssys/constellation/v2/internal/attestation/idkeydigest"
"github.com/edgelesssys/constellation/v2/internal/attestation/simulator"
"github.com/edgelesssys/constellation/v2/internal/attestation/vtpm"
"github.com/google/go-tpm-tools/client"
"github.com/google/go-tpm/tpm2"
"github.com/stretchr/testify/assert"
"github.com/stretchr/testify/require"
)
func TestTrustedKeyFromSNP(t *testing.T) {
require := require.New(t)
tpm, err := simulator.OpenSimulatedTPM()
require.NoError(err)
defer tpm.Close()
key, err := client.AttestationKeyRSA(tpm)
require.NoError(err)
defer key.Close()
akPub, err := key.PublicArea().Encode()
require.NoError(err)
defaultReport := "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"
defaultRuntimeData := "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"
defaultVCEK := "-----BEGIN CERTIFICATE-----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\nch4hf9cHRLAUJpqynRmb+g==\n-----END CERTIFICATE-----\n"
defaultCertChain := "-----BEGIN CERTIFICATE-----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\n-----END CERTIFICATE-----\n-----BEGIN CERTIFICATE-----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\nAFZEAwoKCQ==\n-----END CERTIFICATE-----\n"
defaultIDKeyDigestOld, err := hex.DecodeString("57e229e0ffe5fa92d0faddff6cae0e61c926fc9ef9afd20a8b8cfcf7129db9338cbe5bf3f6987733a2bf65d06dc38fc1")
require.NoError(err)
defaultIDKeyDigest := idkeydigest.NewIDKeyDigests([][]byte{defaultIDKeyDigestOld})
testCases := map[string]struct {
report string
runtimeData string
vcek string
certChain string
idkeydigest idkeydigest.IDKeyDigests
enforceIDKeyDigest bool
wantErr bool
assertCorrectError func(error)
}{
"success": {
report: defaultReport,
runtimeData: defaultRuntimeData,
vcek: defaultVCEK,
certChain: defaultCertChain,
idkeydigest: defaultIDKeyDigest,
enforceIDKeyDigest: true,
},
"invalid report signature": {
report: "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",
runtimeData: defaultRuntimeData,
vcek: defaultVCEK,
certChain: defaultCertChain,
idkeydigest: defaultIDKeyDigest,
enforceIDKeyDigest: true,
wantErr: true,
assertCorrectError: func(err error) {
target := &signatureError{}
assert.ErrorAs(t, err, &target)
},
},
"invalid vcek": {
report: defaultReport,
runtimeData: defaultRuntimeData,
vcek: "-----BEGIN CERTIFICATE-----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\nL9lHQ8+Y53Pf/ZQ/gYI0dQ==\n-----END CERTIFICATE-----\n",
certChain: defaultCertChain,
idkeydigest: defaultIDKeyDigest,
enforceIDKeyDigest: true,
wantErr: true,
assertCorrectError: func(err error) {
target := &vcekError{}
assert.ErrorAs(t, err, &target)
},
},
"malformed ask": {
report: defaultReport,
runtimeData: defaultRuntimeData,
vcek: defaultVCEK,
certChain: "-----BEGIN CERTIFICATE-----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\n-----END CERTIFICATE-----\n-----BEGIN CERTIFICATE-----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\nAFZEAwoKCQ==\n-----END CERTIFICATE-----\n-----BEGIN CERTIFICATE-----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\n-----END CERTIFICATE-----\n-----BEGIN CERTIFICATE-----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\nAFZEAwoKCQ==\n-----END CERTIFICATE-----\n",
idkeydigest: defaultIDKeyDigest,
enforceIDKeyDigest: true,
wantErr: true,
assertCorrectError: func(err error) {
target := &askError{}
assert.ErrorAs(t, err, &target)
},
},
"invalid runtime data digest": {
report: defaultReport,
runtimeData: "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",
vcek: defaultVCEK,
certChain: defaultCertChain,
idkeydigest: defaultIDKeyDigest,
enforceIDKeyDigest: true,
wantErr: true,
assertCorrectError: func(err error) {
target := errors.New("unexpected runtimeData digest in TPM")
assert.ErrorAs(t, err, &target)
},
},
"invalid idkeydigest": {
report: defaultReport,
runtimeData: defaultRuntimeData,
vcek: defaultVCEK,
certChain: defaultCertChain,
idkeydigest: idkeydigest.IDKeyDigests{[]byte{0x00}},
enforceIDKeyDigest: true,
wantErr: true,
assertCorrectError: func(err error) {
target := &idKeyError{}
assert.ErrorAs(t, err, &target)
},
},
"don't enforce idkeydigest": {
report: defaultReport,
runtimeData: defaultRuntimeData,
vcek: defaultVCEK,
certChain: defaultCertChain,
idkeydigest: idkeydigest.IDKeyDigests{[]byte{0x00}},
},
"unsupported microcode version": {
report: "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",
runtimeData: defaultRuntimeData,
vcek: defaultVCEK,
certChain: defaultCertChain,
idkeydigest: defaultIDKeyDigest,
enforceIDKeyDigest: true,
wantErr: true,
assertCorrectError: func(err error) {
target := &versionError{}
assert.ErrorAs(t, err, &target)
},
},
"current tcb older than committed tcb": {
report: "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",
runtimeData: defaultRuntimeData,
vcek: defaultVCEK,
certChain: defaultCertChain,
idkeydigest: defaultIDKeyDigest,
enforceIDKeyDigest: true,
wantErr: true,
assertCorrectError: func(err error) {
target := &versionError{}
assert.ErrorAs(t, err, &target)
},
},
"launch tcb != committed tcb": {
report: "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",
runtimeData: defaultRuntimeData,
vcek: defaultVCEK,
certChain: defaultCertChain,
idkeydigest: defaultIDKeyDigest,
enforceIDKeyDigest: true,
wantErr: true,
assertCorrectError: func(err error) {
target := &versionError{}
assert.ErrorAs(t, err, &target)
},
},
"debugging allowed": {
report: "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",
runtimeData: defaultRuntimeData,
vcek: defaultVCEK,
certChain: defaultCertChain,
idkeydigest: defaultIDKeyDigest,
enforceIDKeyDigest: true,
wantErr: true,
assertCorrectError: func(err error) {
assert.ErrorIs(t, err, errDebugEnabled)
},
},
}
for name, tc := range testCases {
t.Run(name, func(t *testing.T) {
assert := assert.New(t)
instanceInfo, err := newStubAzureInstanceInfo(tc.vcek, tc.certChain, tc.report, tc.runtimeData)
assert.NoError(err)
statement, err := json.Marshal(instanceInfo)
if err != nil {
assert.Error(err)
}
key, err := getTrustedKey(&instanceInfo, tc.idkeydigest, tc.enforceIDKeyDigest, nil)(akPub, statement)
if tc.wantErr {
tc.assertCorrectError(err)
} else {
assert.NoError(err)
assert.NotNil(key)
}
})
}
}
func TestValidateAk(t *testing.T) {
require := require.New(t)
tpm, err := simulator.OpenSimulatedTPM()
require.NoError(err)
defer tpm.Close()
key, err := client.AttestationKeyRSA(tpm)
require.NoError(err)
defer key.Close()
e := base64.RawURLEncoding.EncodeToString(int32ToByte(key.PublicArea().RSAParameters.ExponentRaw))
n := base64.RawURLEncoding.EncodeToString(key.PublicArea().RSAParameters.ModulusRaw)
ak := akPub{E: e, N: n}
runtimeData := runtimeData{Keys: []akPub{ak}}
defaultRuntimeDataRaw, err := json.Marshal(runtimeData)
require.NoError(err)
defaultInstanceInfo := azureInstanceInfo{RuntimeData: defaultRuntimeDataRaw}
sig := sha256.Sum256(defaultRuntimeDataRaw)
defaultReportData := sig[:]
defaultRsaParams := key.PublicArea().RSAParameters
testCases := map[string]struct {
instanceInfo azureInstanceInfo
runtimeDataRaw []byte
reportData []byte
rsaParameters *tpm2.RSAParams
wantErr bool
}{
"success": {
instanceInfo: defaultInstanceInfo,
runtimeDataRaw: defaultRuntimeDataRaw,
reportData: defaultReportData,
rsaParameters: defaultRsaParams,
},
"invalid json": {
instanceInfo: defaultInstanceInfo,
runtimeDataRaw: []byte(""),
reportData: defaultReportData,
rsaParameters: defaultRsaParams,
wantErr: true,
},
"invalid hash": {
instanceInfo: defaultInstanceInfo,
runtimeDataRaw: defaultRuntimeDataRaw,
reportData: bytes.Repeat([]byte{0}, 64),
rsaParameters: defaultRsaParams,
wantErr: true,
},
"invalid E": {
instanceInfo: defaultInstanceInfo,
runtimeDataRaw: defaultRuntimeDataRaw,
reportData: defaultReportData,
rsaParameters: func() *tpm2.RSAParams {
tmp := *defaultRsaParams
tmp.ExponentRaw = 1
return &tmp
}(),
wantErr: true,
},
"invalid N": {
instanceInfo: defaultInstanceInfo,
runtimeDataRaw: defaultRuntimeDataRaw,
reportData: defaultReportData,
rsaParameters: func() *tpm2.RSAParams {
tmp := *defaultRsaParams
tmp.ModulusRaw = []byte{0, 1, 2, 3}
return &tmp
}(),
wantErr: true,
},
}
for name, tc := range testCases {
t.Run(name, func(t *testing.T) {
assert := assert.New(t)
err = tc.instanceInfo.validateAk(tc.runtimeDataRaw, tc.reportData, tc.rsaParameters)
if tc.wantErr {
assert.Error(err)
} else {
assert.NoError(err)
}
})
}
}
func int32ToByte(val uint32) []byte {
r := make([]byte, 4)
binary.PutUvarint(r, uint64(val))
return r
}
func TestValidateAzureCVM(t *testing.T) {
testCases := map[string]struct {
attDoc vtpm.AttestationDocument
wantErr bool
}{
"success": {
attDoc: vtpm.AttestationDocument{},
wantErr: false,
},
}
for name, tc := range testCases {
t.Run(name, func(t *testing.T) {
assert := assert.New(t)
err := validateCVM(tc.attDoc)
if tc.wantErr {
assert.Error(err)
} else {
assert.NoError(err)
}
})
}
}
func TestNewSNPReportFromBytes(t *testing.T) {
testCases := map[string]struct {
raw string
wantErr bool
}{
"success": {
raw: "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",
wantErr: false,
},
"too short": {
raw: "02000000020000001f0003000000000001000000000000000000000000000000020000000000000000000000000000000000000001000000020000000000065d01000000000000000000000000000000d288b28c3e9640f4e8167c742c1dc9487dc7e2b23b3f52c96d0fb07ce60c675400000000000000000000000000000000000000000000000000000000000000005677f1de87289e7ad2c7e99c805d0468b1a9ccd83f0d245afa5242d405da4d5725852f8c6550564870e5f3206dfb1841000000000000000000000000000000000000000000000000000000000000000057e229e0ffe5fa92d0faddff6cae0e61c926fc9ef9afd20a8b8cfcf7129db9338cbe5bf3f6987733a2bf65d06dc38fc1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000c45c7e7a4a581d28d7f2ba99de06efc0282ace9ab62eb97044ce8aa6b215071affffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff020000000000065d000000000000000000000000000000000000000000000000d3cb828216ba0543a3d623bf904c7a908f4739b5c87856cab06e1762b15fe45e2cd4b8d88406789520b88eda62d8df36583181ca1039b735b8426953be40e812020000000000065d0133010001330100020000000000065d000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000b11a48bf77e60979777e25739acdf8b791ea9bab3ace88f173e3239acc657b02f418f5cc60615e36a95f4360334a9751000000000000000000000000000000000000000000000000c0280bf824034fbff4b18899f77f2557b98fa0bf3572d062bf860dbf9b9b498fd2a377f0209f6b993687f791981de71b00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
wantErr: true,
},
}
for name, tc := range testCases {
t.Run(name, func(t *testing.T) {
assert := assert.New(t)
instanceInfo, err := newStubAzureInstanceInfo("", "", tc.raw, "")
assert.NoError(err)
report, err := newSNPReportFromBytes(instanceInfo.AttestationReport)
if tc.wantErr {
assert.Error(err)
} else {
assert.NoError(err)
assert.NotNil(report)
assert.Equal(hex.EncodeToString(report.IDKeyDigest[:]), "57e229e0ffe5fa92d0faddff6cae0e61c926fc9ef9afd20a8b8cfcf7129db9338cbe5bf3f6987733a2bf65d06dc38fc1")
// This is a canary for us: If this fails in the future we possibly downgraded a SVN.
assert.True(report.LaunchTCB.isVersion(bootloaderVersion, teeVersion, snpVersion, microcodeVersion))
}
})
}
}
type stubAzureInstanceInfo struct {
Vcek []byte
CertChain []byte
AttestationReport []byte
RuntimeData []byte
}
func newStubAzureInstanceInfo(vcek string, certChain string, report string, runtimeData string) (stubAzureInstanceInfo, error) {
validReport, err := hex.DecodeString(report)
if err != nil {
return stubAzureInstanceInfo{}, fmt.Errorf("invalid hex string report: %s", err)
}
decodedRuntime, err := hex.DecodeString(runtimeData)
if err != nil {
return stubAzureInstanceInfo{}, fmt.Errorf("invalid hex string runtimeData: %s", err)
}
return stubAzureInstanceInfo{
Vcek: []byte(vcek),
CertChain: []byte(certChain),
AttestationReport: validReport,
RuntimeData: decodedRuntime,
}, nil
}
func (s *stubAzureInstanceInfo) validateAk(runtimeDataRaw []byte, reportData []byte, rsaParameters *tpm2.RSAParams) error {
var runtimeData runtimeData
if err := json.Unmarshal(runtimeDataRaw, &runtimeData); err != nil {
return fmt.Errorf("unmarshalling json: %w", err)
}
sum := sha256.Sum256(runtimeDataRaw)
if !bytes.Equal(sum[:], reportData[:32]) {
return fmt.Errorf("unexpected runtimeData digest in TPM")
}
return nil
}
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