Golang json.MarshalCanonical函数代码示例

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本文整理汇总了Golang中github.com/docker/go/canonical/json.MarshalCanonical函数的典型用法代码示例。如果您正苦于以下问题：Golang MarshalCanonical函数的具体用法？Golang MarshalCanonical怎么用？Golang MarshalCanonical使用的例子？那么恭喜您, 这里精选的函数代码示例或许可以为您提供帮助。

在下文中一共展示了MarshalCanonical函数的20个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于我们的系统推荐出更棒的Golang代码示例。

示例1: ExpireMetadata

// ExpireMetadata expires the metadata, which would make it invalid - don't do anything if
// we don't have the timestamp key
func (m *MetadataSwizzler) ExpireMetadata(role string) error {
	signedThing, err := signedFromStore(m.MetadataCache, role)
	if err != nil {
		return err
	}

	var unmarshalled map[string]interface{}
	if err := json.Unmarshal(*signedThing.Signed, &unmarshalled); err != nil {
		return err
	}

	unmarshalled["expires"] = time.Now().AddDate(-1, -1, -1)

	metaBytes, err := json.MarshalCanonical(unmarshalled)
	if err != nil {
		return err
	}
	signedThing.Signed = (*json.RawMessage)(&metaBytes)

	pubKeys, err := getPubKeys(m.CryptoService, signedThing, role)
	if err == nil {
		metaBytes, err = serializeMetadata(m.CryptoService, signedThing, role, pubKeys...)
	}

	if err != nil {
		return err
	}
	return m.MetadataCache.Set(role, metaBytes)
}

开发者ID:jfrazelle，项目名称:notary，代码行数:31，代码来源:swizzler.go

示例2: TestMoreThanEnoughSigs

func TestMoreThanEnoughSigs(t *testing.T) {
	cs := NewEd25519()
	k1, err := cs.Create("root", data.ED25519Key)
	assert.NoError(t, err)
	k2, err := cs.Create("root", data.ED25519Key)
	assert.NoError(t, err)
	r, err := data.NewRole(
		"root",
		1,
		[]string{k1.ID(), k2.ID()},
		nil,
		nil,
	)
	assert.NoError(t, err)
	db := keys.NewDB()
	assert.NoError(t, err)
	db.AddKey(k1)
	db.AddKey(k2)
	err = db.AddRole(r)
	assert.NoError(t, err)
	meta := &data.SignedCommon{Type: "Root", Version: 1, Expires: data.DefaultExpires("root")}

	b, err := json.MarshalCanonical(meta)
	assert.NoError(t, err)
	s := &data.Signed{Signed: b}
	Sign(cs, s, k1, k2)
	assert.Equal(t, 2, len(s.Signatures))
	err = Verify(s, "root", 1, db)
	assert.NoError(t, err)
}

开发者ID:carriercomm，项目名称:notary，代码行数:30，代码来源:verify_test.go

示例3: SetInvalidMetadataType

// SetInvalidMetadataType unmarshallable, but has the wrong metadata type (not
// actually a metadata type)
func (m *MetadataSwizzler) SetInvalidMetadataType(role string) error {
	signedThing, err := signedFromStore(m.MetadataCache, role)
	if err != nil {
		return err
	}

	var unmarshalled map[string]interface{}
	if err := json.Unmarshal(*signedThing.Signed, &unmarshalled); err != nil {
		return err
	}

	unmarshalled["_type"] = "not_real"

	metaBytes, err := json.MarshalCanonical(unmarshalled)
	if err != nil {
		return err
	}
	signedThing.Signed = (*json.RawMessage)(&metaBytes)

	pubKeys, err := getPubKeys(m.CryptoService, signedThing, role)
	if err == nil {
		metaBytes, err = serializeMetadata(m.CryptoService, signedThing, role, pubKeys...)
	}

	if err != nil {
		return err
	}
	return m.MetadataCache.Set(role, metaBytes)
}

开发者ID:jfrazelle，项目名称:notary，代码行数:31，代码来源:swizzler.go

示例4: OffsetMetadataVersion

// OffsetMetadataVersion updates the metadata version
func (m *MetadataSwizzler) OffsetMetadataVersion(role string, offset int) error {
	signedThing, err := signedFromStore(m.MetadataCache, role)
	if err != nil {
		return err
	}

	var unmarshalled map[string]interface{}
	if err := json.Unmarshal(*signedThing.Signed, &unmarshalled); err != nil {
		return err
	}

	oldVersion, ok := unmarshalled["version"].(float64)
	if !ok {
		oldVersion = float64(0) // just ignore the error and set it to 0
	}
	unmarshalled["version"] = int(oldVersion) + offset

	metaBytes, err := json.MarshalCanonical(unmarshalled)
	if err != nil {
		return err
	}
	signedThing.Signed = (*json.RawMessage)(&metaBytes)

	pubKeys, err := getPubKeys(m.CryptoService, signedThing, role)
	if err == nil {
		metaBytes, err = serializeMetadata(m.CryptoService, signedThing, role, pubKeys...)
	}

	if err != nil {
		return err
	}
	return m.MetadataCache.Set(role, metaBytes)
}

开发者ID:jfrazelle，项目名称:notary，代码行数:34，代码来源:swizzler.go

示例5: CreateTimestamp

// CreateTimestamp creates a new timestamp. If a prev timestamp is provided, it
// is assumed this is the immediately previous one, and the new one will have a
// version number one higher than prev. The store is used to lookup the current
// snapshot, this function does not save the newly generated timestamp.
func CreateTimestamp(gun string, prev *data.SignedTimestamp, snapshot []byte, store storage.MetaStore, cryptoService signed.CryptoService) (*data.Signed, int, error) {
	algorithm, public, err := store.GetKey(gun, data.CanonicalTimestampRole)
	if err != nil {
		// owner of gun must have generated a timestamp key otherwise
		// we won't proceed with generating everything.
		return nil, 0, err
	}
	key := data.NewPublicKey(algorithm, public)
	sn := &data.Signed{}
	err = json.Unmarshal(snapshot, sn)
	if err != nil {
		// couldn't parse snapshot
		return nil, 0, err
	}
	ts, err := data.NewTimestamp(sn)
	if err != nil {
		return nil, 0, err
	}
	if prev != nil {
		ts.Signed.Version = prev.Signed.Version + 1
	}
	sgndTs, err := json.MarshalCanonical(ts.Signed)
	if err != nil {
		return nil, 0, err
	}
	out := &data.Signed{
		Signatures: ts.Signatures,
		Signed:     sgndTs,
	}
	err = signed.Sign(cryptoService, out, key)
	if err != nil {
		return nil, 0, err
	}
	return out, ts.Signed.Version, nil
}

开发者ID:NathanMcCauley，项目名称:notary，代码行数:39，代码来源:timestamp.go

示例6: SetInvalidSignedMeta

// SetInvalidSignedMeta corrupts the metadata into something that is unmarshallable
// as a Signed object, but not unmarshallable into a SignedMeta object
func (m *MetadataSwizzler) SetInvalidSignedMeta(role string) error {
	signedThing, err := signedFromStore(m.MetadataCache, role)
	if err != nil {
		return err
	}

	pubKeys, err := getPubKeys(m.CryptoService, signedThing, role)
	if err != nil {
		return err
	}

	var unmarshalled map[string]interface{}
	if err := json.Unmarshal(*signedThing.Signed, &unmarshalled); err != nil {
		return err
	}

	unmarshalled["_type"] = []string{"not a string"}
	unmarshalled["version"] = "string not int"
	unmarshalled["expires"] = "cannot be parsed as time"

	metaBytes, err := json.MarshalCanonical(unmarshalled)
	if err != nil {
		return err
	}
	signedThing.Signed = (*json.RawMessage)(&metaBytes)

	metaBytes, err = serializeMetadata(m.CryptoService, signedThing, role, pubKeys...)
	if err != nil {
		return err
	}
	return m.MetadataCache.Set(role, metaBytes)
}

开发者ID:jfrazelle，项目名称:notary，代码行数:34，代码来源:swizzler.go

示例7: TestUnknownKeyBelowThreshold

func TestUnknownKeyBelowThreshold(t *testing.T) {
	cs := NewEd25519()
	k, err := cs.Create("root", "", data.ED25519Key)
	require.NoError(t, err)
	unknown, err := cs.Create("root", "", data.ED25519Key)
	require.NoError(t, err)
	roleWithKeys := data.BaseRole{Name: "root", Keys: data.Keys{k.ID(): k}, Threshold: 2}

	meta := &data.SignedCommon{Type: "Root", Version: 1, Expires: data.DefaultExpires("root")}

	b, err := json.MarshalCanonical(meta)
	require.NoError(t, err)
	s := &data.Signed{Signed: (*json.RawMessage)(&b)}
	require.NoError(t, Sign(cs, s, []data.PublicKey{k, unknown}, 2, nil))
	s.Signatures = append(s.Signatures)
	err = VerifySignatures(s, roleWithKeys)
	require.IsType(t, ErrRoleThreshold{}, err)
	require.Len(t, s.Signatures, 2)
	for _, signature := range s.Signatures {
		if signature.KeyID == k.ID() {
			require.True(t, signature.IsValid)
		} else {
			require.False(t, signature.IsValid)
		}
	}
}

开发者ID:jfrazelle，项目名称:notary，代码行数:26，代码来源:verify_test.go

示例8: setUpRepo

// initialize a repo with keys, so they can be rotated
func setUpRepo(t *testing.T, tempBaseDir, gun string, ret passphrase.Retriever) (
	*httptest.Server, map[string]string) {

	// server that always returns 200 (and a key)
	key, err := trustmanager.GenerateECDSAKey(rand.Reader)
	assert.NoError(t, err)
	pubKey := data.PublicKeyFromPrivate(key)
	jsonBytes, err := json.MarshalCanonical(&pubKey)
	assert.NoError(t, err)
	keyJSON := string(jsonBytes)
	ts := httptest.NewServer(http.HandlerFunc(
		func(w http.ResponseWriter, r *http.Request) {
			fmt.Fprint(w, keyJSON)
		}))

	repo, err := client.NewNotaryRepository(
		tempBaseDir, gun, ts.URL, http.DefaultTransport, ret)
	assert.NoError(t, err, "error creating repo: %s", err)

	rootPubKey, err := repo.CryptoService.Create("root", data.ECDSAKey)
	assert.NoError(t, err, "error generating root key: %s", err)

	err = repo.Initialize(rootPubKey.ID())
	assert.NoError(t, err)

	return ts, repo.CryptoService.ListAllKeys()
}

开发者ID:carriercomm，项目名称:notary，代码行数:28，代码来源:keys_test.go

示例9: TestDuplicateSigs

func TestDuplicateSigs(t *testing.T) {
	cs := NewEd25519()
	k, err := cs.Create("root", data.ED25519Key)
	assert.NoError(t, err)
	r, err := data.NewRole(
		"root",
		2,
		[]string{k.ID()},
		nil,
		nil,
	)
	assert.NoError(t, err)
	db := keys.NewDB()
	assert.NoError(t, err)
	db.AddKey(k)
	err = db.AddRole(r)
	assert.NoError(t, err)
	meta := &data.SignedCommon{Type: "Root", Version: 1, Expires: data.DefaultExpires("root")}

	b, err := json.MarshalCanonical(meta)
	assert.NoError(t, err)
	s := &data.Signed{Signed: b}
	Sign(cs, s, k)
	s.Signatures = append(s.Signatures, s.Signatures[0])
	err = Verify(s, "root", 1, db)
	assert.IsType(t, ErrRoleThreshold{}, err)
}

开发者ID:carriercomm，项目名称:notary，代码行数:27，代码来源:verify_test.go

示例10: VerifySignatures

// VerifySignatures checks the we have sufficient valid signatures for the given role
func VerifySignatures(s *data.Signed, role string, db *keys.KeyDB) error {
	if len(s.Signatures) == 0 {
		return ErrNoSignatures
	}

	roleData := db.GetRole(role)
	if roleData == nil {
		return ErrUnknownRole
	}

	if roleData.Threshold < 1 {
		return ErrRoleThreshold{}
	}
	logrus.Debugf("%s role has key IDs: %s", role, strings.Join(roleData.KeyIDs, ","))

	var decoded map[string]interface{}
	if err := json.Unmarshal(s.Signed, &decoded); err != nil {
		return err
	}
	msg, err := json.MarshalCanonical(decoded)
	if err != nil {
		return err
	}

	valid := make(map[string]struct{})
	for _, sig := range s.Signatures {
		logrus.Debug("verifying signature for key ID: ", sig.KeyID)
		if !roleData.ValidKey(sig.KeyID) {
			logrus.Debugf("continuing b/c keyid was invalid: %s for roledata %s\n", sig.KeyID, roleData)
			continue
		}
		key := db.GetKey(sig.KeyID)
		if key == nil {
			logrus.Debugf("continuing b/c keyid lookup was nil: %s\n", sig.KeyID)
			continue
		}
		// method lookup is consistent due to Unmarshal JSON doing lower case for us.
		method := sig.Method
		verifier, ok := Verifiers[method]
		if !ok {
			logrus.Debugf("continuing b/c signing method is not supported: %s\n", sig.Method)
			continue
		}

		if err := verifier.Verify(key, sig.Signature, msg); err != nil {
			logrus.Debugf("continuing b/c signature was invalid\n")
			continue
		}
		valid[sig.KeyID] = struct{}{}

	}
	if len(valid) < roleData.Threshold {
		return ErrRoleThreshold{}
	}

	return nil
}

开发者ID:supasate，项目名称:docker，代码行数:58，代码来源:verify.go

示例11: TestIsValidNotExported

func TestIsValidNotExported(t *testing.T) {
	cs := NewEd25519()
	k, err := cs.Create(data.CanonicalRootRole, "", data.ED25519Key)
	require.NoError(t, err)
	meta := &data.SignedCommon{Type: data.TUFTypes[data.CanonicalRootRole], Version: 1,
		Expires: data.DefaultExpires(data.CanonicalRootRole)}
	b, err := json.MarshalCanonical(meta)
	require.NoError(t, err)
	s := &data.Signed{Signed: (*json.RawMessage)(&b)}
	require.NoError(t, Sign(cs, s, []data.PublicKey{k}, 1, nil))
	require.Equal(t, 1, len(s.Signatures))
	before, err := json.MarshalCanonical(s.Signatures[0])
	require.NoError(t, err)
	require.False(t, s.Signatures[0].IsValid)
	require.NoError(t, VerifySignature(b, &(s.Signatures[0]), k))
	// the IsValid field changed
	require.True(t, s.Signatures[0].IsValid)
	after, err := json.MarshalCanonical(s.Signatures[0])
	require.NoError(t, err)
	// but the marshalled byte strings stay the same since IsValid is not exported
	require.Equal(t, before, after)
}

开发者ID:jfrazelle，项目名称:notary，代码行数:22，代码来源:verify_test.go

示例12: SetInvalidSigned

// SetInvalidSigned corrupts the metadata into something that is valid JSON,
// but not unmarshallable into signed JSON
func (m *MetadataSwizzler) SetInvalidSigned(role string) error {
	signedThing, err := signedFromStore(m.MetadataCache, role)
	if err != nil {
		return err
	}
	metaBytes, err := json.MarshalCanonical(map[string]interface{}{
		"signed":     signedThing.Signed,
		"signatures": "not list",
	})
	if err != nil {
		return err
	}
	return m.MetadataCache.Set(role, metaBytes)
}

开发者ID:jfrazelle，项目名称:notary，代码行数:16，代码来源:swizzler.go

示例13: TestNoSigs

func TestNoSigs(t *testing.T) {
	cs := NewEd25519()
	k, err := cs.Create("root", "", data.ED25519Key)
	require.NoError(t, err)
	require.NoError(t, err)
	roleWithKeys := data.BaseRole{Name: "root", Keys: data.Keys{k.ID(): k}, Threshold: 2}

	meta := &data.SignedCommon{Type: "Root", Version: 1, Expires: data.DefaultExpires("root")}

	b, err := json.MarshalCanonical(meta)
	require.NoError(t, err)
	s := &data.Signed{Signed: (*json.RawMessage)(&b)}
	require.Equal(t, ErrNoSignatures, VerifySignatures(s, roleWithKeys))
}

开发者ID:mbentley，项目名称:notary，代码行数:14，代码来源:verify_test.go

示例14: VerifySignatures

// VerifySignatures checks the we have sufficient valid signatures for the given role
func VerifySignatures(s *data.Signed, roleData data.BaseRole) error {
	if len(s.Signatures) == 0 {
		return ErrNoSignatures
	}

	if roleData.Threshold < 1 {
		return ErrRoleThreshold{}
	}
	logrus.Debugf("%s role has key IDs: %s", roleData.Name, strings.Join(roleData.ListKeyIDs(), ","))

	// remarshal the signed part so we can verify the signature, since the signature has
	// to be of a canonically marshalled signed object
	var decoded map[string]interface{}
	if err := json.Unmarshal(s.Signed, &decoded); err != nil {
		return err
	}
	msg, err := json.MarshalCanonical(decoded)
	if err != nil {
		return err
	}

	valid := make(map[string]struct{})
	for _, sig := range s.Signatures {
		logrus.Debug("verifying signature for key ID: ", sig.KeyID)
		key, ok := roleData.Keys[sig.KeyID]
		if !ok {
			logrus.Debugf("continuing b/c keyid lookup was nil: %s\n", sig.KeyID)
			continue
		}
		// method lookup is consistent due to Unmarshal JSON doing lower case for us.
		method := sig.Method
		verifier, ok := Verifiers[method]
		if !ok {
			logrus.Debugf("continuing b/c signing method is not supported: %s\n", sig.Method)
			continue
		}

		if err := verifier.Verify(key, sig.Signature, msg); err != nil {
			logrus.Debugf("continuing b/c signature was invalid\n")
			continue
		}
		valid[sig.KeyID] = struct{}{}

	}
	if len(valid) < roleData.Threshold {
		return ErrRoleThreshold{}
	}

	return nil
}

开发者ID:contiv，项目名称:docker，代码行数:51，代码来源:verify.go

示例15: TestRootToSignedMarshalsSignedPortionWithCanonicalJSON

func TestRootToSignedMarshalsSignedPortionWithCanonicalJSON(t *testing.T) {
	r := SignedRoot{Signed: Root{Type: "root", Version: 2, Expires: time.Now()}}
	signedCanonical, err := r.ToSigned()
	require.NoError(t, err)

	canonicalSignedPortion, err := cjson.MarshalCanonical(r.Signed)
	require.NoError(t, err)

	castedCanonical := rjson.RawMessage(canonicalSignedPortion)

	// don't bother testing regular JSON because it might not be different

	require.True(t, bytes.Equal(signedCanonical.Signed, castedCanonical),
		"expected %v == %v", signedCanonical.Signed, castedCanonical)
}

开发者ID:moxiegirl，项目名称:notary，代码行数:15，代码来源:root_test.go

示例16: TestTargetsToSignedMarshalsSignedPortionWithCanonicalJSON

func TestTargetsToSignedMarshalsSignedPortionWithCanonicalJSON(t *testing.T) {
	tg := SignedTargets{Signed: Targets{SignedCommon: SignedCommon{Type: "Targets", Version: 1, Expires: time.Now()}}}
	signedCanonical, err := tg.ToSigned()
	require.NoError(t, err)

	canonicalSignedPortion, err := cjson.MarshalCanonical(tg.Signed)
	require.NoError(t, err)

	castedCanonical := rjson.RawMessage(canonicalSignedPortion)

	// don't bother testing regular JSON because it might not be different

	require.True(t, bytes.Equal(signedCanonical.Signed, castedCanonical),
		"expected %v == %v", signedCanonical.Signed, castedCanonical)
}

开发者ID:moxiegirl，项目名称:notary，代码行数:15，代码来源:targets_test.go

示例17: VerifySignatures

// VerifySignatures checks the we have sufficient valid signatures for the given role
func VerifySignatures(s *data.Signed, roleData data.BaseRole) error {
	if len(s.Signatures) == 0 {
		return ErrNoSignatures
	}

	if roleData.Threshold < 1 {
		return ErrRoleThreshold{}
	}
	logrus.Debugf("%s role has key IDs: %s", roleData.Name, strings.Join(roleData.ListKeyIDs(), ","))

	// remarshal the signed part so we can verify the signature, since the signature has
	// to be of a canonically marshalled signed object
	var decoded map[string]interface{}
	if err := json.Unmarshal(*s.Signed, &decoded); err != nil {
		return err
	}
	msg, err := json.MarshalCanonical(decoded)
	if err != nil {
		return err
	}

	valid := make(map[string]struct{})
	for i := range s.Signatures {
		sig := &(s.Signatures[i])
		logrus.Debug("verifying signature for key ID: ", sig.KeyID)
		key, ok := roleData.Keys[sig.KeyID]
		if !ok {
			logrus.Debugf("continuing b/c keyid lookup was nil: %s\n", sig.KeyID)
			continue
		}
		// Check that the signature key ID actually matches the content ID of the key
		if key.ID() != sig.KeyID {
			return ErrInvalidKeyID{}
		}
		if err := VerifySignature(msg, sig, key); err != nil {
			logrus.Debugf("continuing b/c %s", err.Error())
			continue
		}
		valid[sig.KeyID] = struct{}{}
	}
	if len(valid) < roleData.Threshold {
		return ErrRoleThreshold{
			Msg: fmt.Sprintf("valid signatures did not meet threshold for %s", roleData.Name),
		}
	}

	return nil
}

开发者ID:Mic92，项目名称:docker，代码行数:49，代码来源:verify.go

示例18: TestHTTPStoreGetMeta

func TestHTTPStoreGetMeta(t *testing.T) {
	handler := func(w http.ResponseWriter, r *http.Request) {
		w.Write([]byte(testRoot))
	}
	server := httptest.NewServer(http.HandlerFunc(handler))
	defer server.Close()
	store, err := NewHTTPStore(
		server.URL,
		"metadata",
		"txt",
		"key",
		&http.Transport{},
	)
	if err != nil {
		t.Fatal(err)
	}
	j, err := store.GetMeta("root", 4801)
	if err != nil {
		t.Fatal(err)
	}
	p := &data.Signed{}
	err = json.Unmarshal(j, p)
	if err != nil {
		t.Fatal(err)
	}
	rootKey, err := base64.StdEncoding.DecodeString(testRootKey)
	require.NoError(t, err)
	k := data.NewPublicKey("ecdsa-x509", rootKey)

	sigBytes := p.Signatures[0].Signature
	if err != nil {
		t.Fatal(err)
	}
	var decoded map[string]interface{}
	if err := json.Unmarshal(*p.Signed, &decoded); err != nil {
		t.Fatal(err)
	}
	msg, err := json.MarshalCanonical(decoded)
	if err != nil {
		t.Fatal(err)
	}
	method := p.Signatures[0].Method
	err = signed.Verifiers[method].Verify(k, sigBytes, msg)
	if err != nil {
		t.Fatal(err)
	}

}

开发者ID:mbentley，项目名称:notary，代码行数:48，代码来源:httpstore_test.go

示例19: TestDuplicateSigs

func TestDuplicateSigs(t *testing.T) {
	cs := NewEd25519()
	k, err := cs.Create("root", data.ED25519Key)
	assert.NoError(t, err)
	roleWithKeys := data.BaseRole{Name: "root", Keys: data.Keys{k.ID(): k}, Threshold: 2}

	meta := &data.SignedCommon{Type: "Root", Version: 1, Expires: data.DefaultExpires("root")}

	b, err := json.MarshalCanonical(meta)
	assert.NoError(t, err)
	s := &data.Signed{Signed: b}
	Sign(cs, s, k)
	s.Signatures = append(s.Signatures, s.Signatures[0])
	err = Verify(s, roleWithKeys, 1)
	assert.IsType(t, ErrRoleThreshold{}, err)
}

开发者ID:NathanMcCauley，项目名称:notary，代码行数:16，代码来源:verify_test.go

示例20: TestSnapshotToSignedMarshalsSignedPortionWithCanonicalJSON

func TestSnapshotToSignedMarshalsSignedPortionWithCanonicalJSON(t *testing.T) {
	sn := SignedSnapshot{Signed: Snapshot{SignedCommon: SignedCommon{
		Type: TUFTypes[CanonicalSnapshotRole], Version: 1, Expires: time.Now()}}}
	signedCanonical, err := sn.ToSigned()
	require.NoError(t, err)

	canonicalSignedPortion, err := cjson.MarshalCanonical(sn.Signed)
	require.NoError(t, err)

	castedCanonical := rjson.RawMessage(canonicalSignedPortion)

	// don't bother testing regular JSON because it might not be different

	require.True(t, bytes.Equal(*signedCanonical.Signed, castedCanonical),
		"expected %v == %v", signedCanonical.Signed, castedCanonical)
}

开发者ID:jfrazelle，项目名称:notary，代码行数:16，代码来源:snapshot_test.go

注：本文中的github.com/docker/go/canonical/json.MarshalCanonical函数示例整理自Github/MSDocs等源码及文档管理平台，相关代码片段筛选自各路编程大神贡献的开源项目，源码版权归原作者所有，传播和使用请参考对应项目的License；未经允许，请勿转载。