Esempio n. 1
0
func (r *NotaryRepository) initializeRoles(rootKeys []data.PublicKey, localRoles, remoteRoles []string) (
	root, targets, snapshot, timestamp data.BaseRole, err error) {

	root = data.NewBaseRole(
		data.CanonicalRootRole,
		notary.MinThreshold,
		rootKeys...,
	)

	// we want to create all the local keys first so we don't have to
	// make unnecessary network calls
	for _, role := range localRoles {
		// This is currently hardcoding the keys to ECDSA.
		var key data.PublicKey
		key, err = r.CryptoService.Create(role, r.gun, data.ECDSAKey)
		if err != nil {
			return
		}
		switch role {
		case data.CanonicalSnapshotRole:
			snapshot = data.NewBaseRole(
				role,
				notary.MinThreshold,
				key,
			)
		case data.CanonicalTargetsRole:
			targets = data.NewBaseRole(
				role,
				notary.MinThreshold,
				key,
			)
		}
	}
	for _, role := range remoteRoles {
		// This key is generated by the remote server.
		var key data.PublicKey
		key, err = getRemoteKey(r.baseURL, r.gun, role, r.roundTrip)
		if err != nil {
			return
		}
		logrus.Debugf("got remote %s %s key with keyID: %s",
			role, key.Algorithm(), key.ID())
		switch role {
		case data.CanonicalSnapshotRole:
			snapshot = data.NewBaseRole(
				role,
				notary.MinThreshold,
				key,
			)
		case data.CanonicalTimestampRole:
			timestamp = data.NewBaseRole(
				role,
				notary.MinThreshold,
				key,
			)
		}
	}
	return root, targets, snapshot, timestamp, nil
}
Esempio n. 2
0
func initRepo(t *testing.T, cryptoService signed.CryptoService) *Repo {
	rootKey, err := cryptoService.Create("root", data.ED25519Key)
	assert.NoError(t, err)
	targetsKey, err := cryptoService.Create("targets", data.ED25519Key)
	assert.NoError(t, err)
	snapshotKey, err := cryptoService.Create("snapshot", data.ED25519Key)
	assert.NoError(t, err)
	timestampKey, err := cryptoService.Create("timestamp", data.ED25519Key)
	assert.NoError(t, err)

	rootRole := data.NewBaseRole(
		data.CanonicalRootRole,
		1,
		rootKey,
	)
	targetsRole := data.NewBaseRole(
		data.CanonicalTargetsRole,
		1,
		targetsKey,
	)
	snapshotRole := data.NewBaseRole(
		data.CanonicalSnapshotRole,
		1,
		snapshotKey,
	)
	timestampRole := data.NewBaseRole(
		data.CanonicalTimestampRole,
		1,
		timestampKey,
	)

	repo := NewRepo(cryptoService)
	err = repo.InitRoot(rootRole, timestampRole, snapshotRole, targetsRole, false)
	assert.NoError(t, err)
	_, err = repo.InitTargets(data.CanonicalTargetsRole)
	assert.NoError(t, err)
	err = repo.InitSnapshot()
	assert.NoError(t, err)
	err = repo.InitTimestamp()
	assert.NoError(t, err)
	return repo
}
Esempio n. 3
0
// EmptyRepo creates an in memory crypto service
// and initializes a repo with no targets.  Delegations are only created
// if delegation roles are passed in.
func EmptyRepo(gun string, delegationRoles ...string) (*tuf.Repo, signed.CryptoService, error) {
	cs := cryptoservice.NewCryptoService(
		gun, trustmanager.NewKeyMemoryStore(passphrase.ConstantRetriever("")))
	r := tuf.NewRepo(cs)

	baseRoles := map[string]data.BaseRole{}
	for _, role := range data.BaseRoles {
		key, err := createKey(cs, gun, role)
		if err != nil {
			return nil, nil, err
		}
		baseRoles[role] = data.NewBaseRole(
			role,
			1,
			key,
		)
	}

	r.InitRoot(
		baseRoles[data.CanonicalRootRole],
		baseRoles[data.CanonicalTimestampRole],
		baseRoles[data.CanonicalSnapshotRole],
		baseRoles[data.CanonicalTargetsRole],
		false,
	)
	r.InitTargets(data.CanonicalTargetsRole)
	r.InitSnapshot()
	r.InitTimestamp()

	// sort the delegation roles so that we make sure to create the parents
	// first
	sort.Strings(delegationRoles)
	for _, delgName := range delegationRoles {
		// create a delegations key and a delegation in the tuf repo
		delgKey, err := createKey(cs, gun, delgName)
		if err != nil {
			return nil, nil, err
		}
		role, err := data.NewRole(delgName, 1, []string{}, []string{""})
		if err != nil {
			return nil, nil, err
		}
		if err := r.UpdateDelegations(role, []data.PublicKey{delgKey}); err != nil {
			return nil, nil, err
		}
	}

	return r, cs, nil
}
Esempio n. 4
0
// Initialize creates a new repository by using rootKey as the root Key for the
// TUF repository. The server must be reachable (and is asked to generate a
// timestamp key and possibly other serverManagedRoles), but the created repository
// result is only stored on local disk, not published to the server. To do that,
// use r.Publish() eventually.
func (r *NotaryRepository) Initialize(rootKeyID string, serverManagedRoles ...string) error {
	privKey, _, err := r.CryptoService.GetPrivateKey(rootKeyID)
	if err != nil {
		return err
	}

	// currently we only support server managing timestamps and snapshots, and
	// nothing else - timestamps are always managed by the server, and implicit
	// (do not have to be passed in as part of `serverManagedRoles`, so that
	// the API of Initialize doesn't change).
	var serverManagesSnapshot bool
	locallyManagedKeys := []string{
		data.CanonicalTargetsRole,
		data.CanonicalSnapshotRole,
		// root is also locally managed, but that should have been created
		// already
	}
	remotelyManagedKeys := []string{data.CanonicalTimestampRole}
	for _, role := range serverManagedRoles {
		switch role {
		case data.CanonicalTimestampRole:
			continue // timestamp is already in the right place
		case data.CanonicalSnapshotRole:
			// because we put Snapshot last
			locallyManagedKeys = []string{data.CanonicalTargetsRole}
			remotelyManagedKeys = append(
				remotelyManagedKeys, data.CanonicalSnapshotRole)
			serverManagesSnapshot = true
		default:
			return ErrInvalidRemoteRole{Role: role}
		}
	}

	rootKey, err := rootCertKey(r.gun, privKey)
	if err != nil {
		return err
	}

	var (
		rootRole = data.NewBaseRole(
			data.CanonicalRootRole,
			notary.MinThreshold,
			rootKey,
		)
		timestampRole data.BaseRole
		snapshotRole  data.BaseRole
		targetsRole   data.BaseRole
	)

	// we want to create all the local keys first so we don't have to
	// make unnecessary network calls
	for _, role := range locallyManagedKeys {
		// This is currently hardcoding the keys to ECDSA.
		key, err := r.CryptoService.Create(role, r.gun, data.ECDSAKey)
		if err != nil {
			return err
		}
		switch role {
		case data.CanonicalSnapshotRole:
			snapshotRole = data.NewBaseRole(
				role,
				notary.MinThreshold,
				key,
			)
		case data.CanonicalTargetsRole:
			targetsRole = data.NewBaseRole(
				role,
				notary.MinThreshold,
				key,
			)
		}
	}
	for _, role := range remotelyManagedKeys {
		// This key is generated by the remote server.
		key, err := getRemoteKey(r.baseURL, r.gun, role, r.roundTrip)
		if err != nil {
			return err
		}
		logrus.Debugf("got remote %s %s key with keyID: %s",
			role, key.Algorithm(), key.ID())
		switch role {
		case data.CanonicalSnapshotRole:
			snapshotRole = data.NewBaseRole(
				role,
				notary.MinThreshold,
				key,
			)
		case data.CanonicalTimestampRole:
			timestampRole = data.NewBaseRole(
				role,
				notary.MinThreshold,
				key,
			)
		}
	}

	r.tufRepo = tuf.NewRepo(r.CryptoService)

	err = r.tufRepo.InitRoot(
		rootRole,
		timestampRole,
		snapshotRole,
		targetsRole,
		false,
	)
	if err != nil {
		logrus.Debug("Error on InitRoot: ", err.Error())
		return err
	}
	_, err = r.tufRepo.InitTargets(data.CanonicalTargetsRole)
	if err != nil {
		logrus.Debug("Error on InitTargets: ", err.Error())
		return err
	}
	err = r.tufRepo.InitSnapshot()
	if err != nil {
		logrus.Debug("Error on InitSnapshot: ", err.Error())
		return err
	}

	return r.saveMetadata(serverManagesSnapshot)
}
Esempio n. 5
0
// Initialize creates a new repository by using rootKey as the root Key for the
// TUF repository.
func (r *NotaryRepository) Initialize(rootKeyID string, serverManagedRoles ...string) error {
	privKey, _, err := r.CryptoService.GetPrivateKey(rootKeyID)
	if err != nil {
		return err
	}

	// currently we only support server managing timestamps and snapshots, and
	// nothing else - timestamps are always managed by the server, and implicit
	// (do not have to be passed in as part of `serverManagedRoles`, so that
	// the API of Initialize doesn't change).
	var serverManagesSnapshot bool
	locallyManagedKeys := []string{
		data.CanonicalTargetsRole,
		data.CanonicalSnapshotRole,
		// root is also locally managed, but that should have been created
		// already
	}
	remotelyManagedKeys := []string{data.CanonicalTimestampRole}
	for _, role := range serverManagedRoles {
		switch role {
		case data.CanonicalTimestampRole:
			continue // timestamp is already in the right place
		case data.CanonicalSnapshotRole:
			// because we put Snapshot last
			locallyManagedKeys = []string{data.CanonicalTargetsRole}
			remotelyManagedKeys = append(
				remotelyManagedKeys, data.CanonicalSnapshotRole)
			serverManagesSnapshot = true
		default:
			return ErrInvalidRemoteRole{Role: role}
		}
	}

	// Hard-coded policy: the generated certificate expires in 10 years.
	startTime := time.Now()
	rootCert, err := cryptoservice.GenerateCertificate(
		privKey, r.gun, startTime, startTime.AddDate(10, 0, 0))

	if err != nil {
		return err
	}
	r.CertStore.AddCert(rootCert)

	// The root key gets stored in the TUF metadata X509 encoded, linking
	// the tuf root.json to our X509 PKI.
	// If the key is RSA, we store it as type RSAx509, if it is ECDSA we store it
	// as ECDSAx509 to allow the gotuf verifiers to correctly decode the
	// key on verification of signatures.
	var rootKey data.PublicKey
	switch privKey.Algorithm() {
	case data.RSAKey:
		rootKey = data.NewRSAx509PublicKey(trustmanager.CertToPEM(rootCert))
	case data.ECDSAKey:
		rootKey = data.NewECDSAx509PublicKey(trustmanager.CertToPEM(rootCert))
	default:
		return fmt.Errorf("invalid format for root key: %s", privKey.Algorithm())
	}

	var (
		rootRole = data.NewBaseRole(
			data.CanonicalRootRole,
			notary.MinThreshold,
			rootKey,
		)
		timestampRole data.BaseRole
		snapshotRole  data.BaseRole
		targetsRole   data.BaseRole
	)

	// we want to create all the local keys first so we don't have to
	// make unnecessary network calls
	for _, role := range locallyManagedKeys {
		// This is currently hardcoding the keys to ECDSA.
		key, err := r.CryptoService.Create(role, data.ECDSAKey)
		if err != nil {
			return err
		}
		switch role {
		case data.CanonicalSnapshotRole:
			snapshotRole = data.NewBaseRole(
				role,
				notary.MinThreshold,
				key,
			)
		case data.CanonicalTargetsRole:
			targetsRole = data.NewBaseRole(
				role,
				notary.MinThreshold,
				key,
			)
		}
	}
	for _, role := range remotelyManagedKeys {
		// This key is generated by the remote server.
		key, err := getRemoteKey(r.baseURL, r.gun, role, r.roundTrip)
		if err != nil {
			return err
		}
		logrus.Debugf("got remote %s %s key with keyID: %s",
			role, key.Algorithm(), key.ID())
		switch role {
		case data.CanonicalSnapshotRole:
			snapshotRole = data.NewBaseRole(
				role,
				notary.MinThreshold,
				key,
			)
		case data.CanonicalTimestampRole:
			timestampRole = data.NewBaseRole(
				role,
				notary.MinThreshold,
				key,
			)
		}
	}

	r.tufRepo = tuf.NewRepo(r.CryptoService)

	err = r.tufRepo.InitRoot(
		rootRole,
		timestampRole,
		snapshotRole,
		targetsRole,
		false,
	)
	if err != nil {
		logrus.Debug("Error on InitRoot: ", err.Error())
		return err
	}
	_, err = r.tufRepo.InitTargets(data.CanonicalTargetsRole)
	if err != nil {
		logrus.Debug("Error on InitTargets: ", err.Error())
		return err
	}
	err = r.tufRepo.InitSnapshot()
	if err != nil {
		logrus.Debug("Error on InitSnapshot: ", err.Error())
		return err
	}

	return r.saveMetadata(serverManagesSnapshot)
}