service: remove no longer used Sign/Verify methods and functions
This commit is contained in:
Leonard Lyubich
parent
18bd5011f1
commit
877db6be32
3 changed files with 85 additions and 346 deletions
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@ -2,6 +2,7 @@ package service
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import (
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"crypto/ecdsa"
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"sync"
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crypto "github.com/nspcc-dev/neofs-crypto"
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)
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@ -11,6 +12,12 @@ type keySign struct {
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sign []byte
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}
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var bytesPool = sync.Pool{
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New: func() interface{} {
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return make([]byte, 5<<20)
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},
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}
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// GetSignature is a sign field getter.
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func (s keySign) GetSignature() []byte {
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return s.sign
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@ -2,37 +2,9 @@ package service
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import (
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"crypto/ecdsa"
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"sync"
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"github.com/nspcc-dev/neofs-api-go/internal"
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"github.com/nspcc-dev/neofs-api-go/refs"
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crypto "github.com/nspcc-dev/neofs-crypto"
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"github.com/pkg/errors"
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)
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type (
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// VerifiableRequest adds possibility to sign and verify request header.
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VerifiableRequest interface {
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Size() int
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MarshalTo([]byte) (int, error)
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AddSignature(*RequestVerificationHeader_Signature)
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GetSignatures() []*RequestVerificationHeader_Signature
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SetSignatures([]*RequestVerificationHeader_Signature)
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}
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// MaintainableRequest adds possibility to set and get (+validate)
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// owner (client) public key from RequestVerificationHeader.
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MaintainableRequest interface {
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GetOwner() (*ecdsa.PublicKey, error)
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SetOwner(*ecdsa.PublicKey, []byte)
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GetLastPeer() (*ecdsa.PublicKey, error)
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}
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// TokenHeader is an interface of the container of a Token pointer value
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TokenHeader interface {
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GetToken() *Token
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SetToken(*Token)
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}
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)
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// GetSessionToken returns SessionToken interface of Token field.
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@ -90,164 +62,11 @@ func (m *RequestVerificationHeader) SetSignatures(signatures []*RequestVerificat
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m.Signatures = signatures
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}
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// AddSignature adds new Signature into RequestVerificationHeader.
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func (m *RequestVerificationHeader) AddSignature(sig *RequestVerificationHeader_Signature) {
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if sig == nil {
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return
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}
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m.Signatures = append(m.Signatures, sig)
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}
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// CheckOwner validates, that passed OwnerID is equal to present PublicKey of owner.
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func (m *RequestVerificationHeader) CheckOwner(owner refs.OwnerID) error {
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if key, err := m.GetOwner(); err != nil {
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return err
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} else if user, err := refs.NewOwnerID(key); err != nil {
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return err
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} else if !user.Equal(owner) {
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return ErrWrongOwner
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}
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return nil
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}
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// GetOwner tries to get owner (client) public key from signatures.
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// If signatures contains not empty Origin, we should try to validate,
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// that session key was signed by owner (client), otherwise return error.
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func (m *RequestVerificationHeader) GetOwner() (*ecdsa.PublicKey, error) {
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if len(m.Signatures) == 0 {
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return nil, ErrCannotFindOwner
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} else if key := crypto.UnmarshalPublicKey(m.Signatures[0].Peer); key != nil {
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return key, nil
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}
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return nil, ErrInvalidPublicKeyBytes
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}
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// GetLastPeer tries to get last peer public key from signatures.
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// If signatures has zero length, returns ErrCannotFindOwner.
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// If signatures has length equal to one, uses GetOwner.
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// Otherwise tries to unmarshal last peer public key.
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func (m *RequestVerificationHeader) GetLastPeer() (*ecdsa.PublicKey, error) {
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switch ln := len(m.Signatures); ln {
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case 0:
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return nil, ErrCannotFindOwner
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case 1:
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return m.GetOwner()
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default:
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if key := crypto.UnmarshalPublicKey(m.Signatures[ln-1].Peer); key != nil {
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return key, nil
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}
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return nil, ErrInvalidPublicKeyBytes
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}
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}
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// SetToken is a Token field setter.
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func (m *RequestVerificationHeader) SetToken(token *Token) {
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m.Token = token
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}
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func newSignature(key *ecdsa.PrivateKey, data []byte) (*RequestVerificationHeader_Signature, error) {
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sign, err := crypto.Sign(key, data)
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if err != nil {
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return nil, err
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}
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return &RequestVerificationHeader_Signature{
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Sign: sign,
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Peer: crypto.MarshalPublicKey(&key.PublicKey),
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}, nil
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}
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var bytesPool = sync.Pool{New: func() interface{} {
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return make([]byte, 4.5*1024*1024) // 4.5MB
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}}
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// SignRequestHeader receives private key and request with RequestVerificationHeader,
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// tries to marshal and sign request with passed PrivateKey, after that adds
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// new signature to headers. If something went wrong, returns error.
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func SignRequestHeader(key *ecdsa.PrivateKey, msg VerifiableRequest) error {
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// ignore meta header
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if meta, ok := msg.(SeizedRequestMetaContainer); ok {
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h := meta.CutMeta()
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defer func() {
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meta.RestoreMeta(h)
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}()
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}
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data := bytesPool.Get().([]byte)
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defer func() {
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bytesPool.Put(data)
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}()
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if size := msg.Size(); size <= cap(data) {
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data = data[:size]
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} else {
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data = make([]byte, size)
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}
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size, err := msg.MarshalTo(data)
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if err != nil {
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return err
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}
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signature, err := newSignature(key, data[:size])
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if err != nil {
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return err
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}
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msg.AddSignature(signature)
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return nil
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}
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// VerifyRequestHeader receives request with RequestVerificationHeader,
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// tries to marshal and verify each signature from request.
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// If something went wrong, returns error.
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func VerifyRequestHeader(msg VerifiableRequest) error {
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// ignore meta header
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if meta, ok := msg.(SeizedRequestMetaContainer); ok {
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h := meta.CutMeta()
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defer func() {
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meta.RestoreMeta(h)
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}()
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}
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data := bytesPool.Get().([]byte)
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signatures := msg.GetSignatures()
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defer func() {
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bytesPool.Put(data)
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msg.SetSignatures(signatures)
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}()
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for i := range signatures {
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msg.SetSignatures(signatures[:i])
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peer := signatures[i].GetPeer()
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sign := signatures[i].GetSign()
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key := crypto.UnmarshalPublicKey(peer)
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if key == nil {
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return errors.Wrapf(ErrInvalidPublicKeyBytes, "%d: %02x", i, peer)
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}
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if size := msg.Size(); size <= cap(data) {
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data = data[:size]
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} else {
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data = make([]byte, size)
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}
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if size, err := msg.MarshalTo(data); err != nil {
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return errors.Wrapf(err, "%d: %02x", i, peer)
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} else if err := crypto.Verify(key, data[:size], sign); err != nil {
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return errors.Wrapf(err, "%d: %02x", i, peer)
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}
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}
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return nil
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}
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// testCustomField for test usage only.
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type testCustomField [8]uint32
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@ -1,194 +1,107 @@
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package service
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import (
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"bytes"
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"log"
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"encoding/binary"
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"io"
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"math"
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"testing"
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"github.com/gogo/protobuf/proto"
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"github.com/nspcc-dev/neofs-api-go/refs"
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crypto "github.com/nspcc-dev/neofs-crypto"
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"github.com/nspcc-dev/neofs-crypto/test"
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"github.com/pkg/errors"
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"github.com/stretchr/testify/require"
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)
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func BenchmarkSignRequestHeader(b *testing.B) {
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func (m TestRequest) SignedData() ([]byte, error) {
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return SignedDataFromReader(m)
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}
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func (m TestRequest) SignedDataSize() (sz int) {
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sz += 4
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sz += len(m.StringField)
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sz += len(m.BytesField)
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sz += m.CustomField.Size()
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return
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}
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func (m TestRequest) ReadSignedData(p []byte) (int, error) {
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if len(p) < m.SignedDataSize() {
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return 0, io.ErrUnexpectedEOF
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}
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var off int
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binary.BigEndian.PutUint32(p[off:], uint32(m.IntField))
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off += 4
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off += copy(p[off:], []byte(m.StringField))
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off += copy(p[off:], m.BytesField)
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n, err := m.CustomField.MarshalTo(p[off:])
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off += n
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return off, err
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}
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func BenchmarkSignDataWithSessionToken(b *testing.B) {
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key := test.DecodeKey(0)
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custom := testCustomField{1, 2, 3, 4, 5, 6, 7, 8}
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customField := testCustomField{1, 2, 3, 4, 5, 6, 7, 8}
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some := &TestRequest{
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token := new(Token)
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req := &TestRequest{
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IntField: math.MaxInt32,
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StringField: "TestRequestStringField",
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BytesField: make([]byte, 1<<22),
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CustomField: &custom,
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RequestMetaHeader: RequestMetaHeader{
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TTL: math.MaxInt32 - 8,
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Epoch: math.MaxInt64 - 12,
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},
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CustomField: &customField,
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}
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req.SetTTL(math.MaxInt32 - 8)
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req.SetEpoch(math.MaxInt64 - 12)
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req.SetToken(token)
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b.ResetTimer()
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b.ReportAllocs()
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for i := 0; i < b.N; i++ {
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require.NoError(b, SignDataWithSessionToken(key, req))
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}
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}
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func BenchmarkVerifyAccumulatedSignaturesWithToken(b *testing.B) {
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customField := testCustomField{1, 2, 3, 4, 5, 6, 7, 8}
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token := new(Token)
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req := &TestRequest{
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IntField: math.MaxInt32,
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StringField: "TestRequestStringField",
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BytesField: make([]byte, 1<<22),
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CustomField: &customField,
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}
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req.SetTTL(math.MaxInt32 - 8)
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req.SetEpoch(math.MaxInt64 - 12)
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req.SetToken(token)
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for i := 0; i < 10; i++ {
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key := test.DecodeKey(i)
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require.NoError(b, SignDataWithSessionToken(key, req))
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}
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b.ResetTimer()
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b.ReportAllocs()
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for i := 0; i < b.N; i++ {
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require.NoError(b, SignRequestHeader(key, some))
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require.NoError(b, VerifyAccumulatedSignaturesWithToken(req))
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}
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}
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func BenchmarkVerifyRequestHeader(b *testing.B) {
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custom := testCustomField{1, 2, 3, 4, 5, 6, 7, 8}
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some := &TestRequest{
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IntField: math.MaxInt32,
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StringField: "TestRequestStringField",
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BytesField: make([]byte, 1<<22),
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CustomField: &custom,
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RequestMetaHeader: RequestMetaHeader{
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TTL: math.MaxInt32 - 8,
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Epoch: math.MaxInt64 - 12,
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},
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}
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for i := 0; i < 10; i++ {
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key := test.DecodeKey(i)
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require.NoError(b, SignRequestHeader(key, some))
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}
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b.ResetTimer()
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b.ReportAllocs()
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for i := 0; i < b.N; i++ {
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require.NoError(b, VerifyRequestHeader(some))
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}
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}
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func TestSignRequestHeader(t *testing.T) {
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req := &TestRequest{
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IntField: math.MaxInt32,
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StringField: "TestRequestStringField",
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BytesField: []byte("TestRequestBytesField"),
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}
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key := test.DecodeKey(0)
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peer := crypto.MarshalPublicKey(&key.PublicKey)
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data, err := req.Marshal()
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require.NoError(t, err)
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require.NoError(t, SignRequestHeader(key, req))
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require.Len(t, req.Signatures, 1)
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for i := range req.Signatures {
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sign := req.Signatures[i].GetSign()
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require.Equal(t, peer, req.Signatures[i].GetPeer())
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require.NoError(t, crypto.Verify(&key.PublicKey, data, sign))
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}
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}
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func TestVerifyRequestHeader(t *testing.T) {
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req := &TestRequest{
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IntField: math.MaxInt32,
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StringField: "TestRequestStringField",
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BytesField: []byte("TestRequestBytesField"),
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RequestMetaHeader: RequestMetaHeader{TTL: 10},
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}
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for i := 0; i < 10; i++ {
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req.TTL--
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require.NoError(t, SignRequestHeader(test.DecodeKey(i), req))
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}
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require.NoError(t, VerifyRequestHeader(req))
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}
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func TestMaintainableRequest(t *testing.T) {
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req := &TestRequest{
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IntField: math.MaxInt32,
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StringField: "TestRequestStringField",
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BytesField: []byte("TestRequestBytesField"),
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RequestMetaHeader: RequestMetaHeader{TTL: 10},
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}
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count := 10
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owner := test.DecodeKey(count + 1)
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for i := 0; i < count; i++ {
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req.TTL--
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key := test.DecodeKey(i)
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// sign first key (session key) by owner key
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if i == 0 {
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key = owner
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}
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require.NoError(t, SignRequestHeader(key, req))
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}
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{ // Validate owner
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user, err := refs.NewOwnerID(&owner.PublicKey)
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require.NoError(t, err)
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require.NoError(t, req.CheckOwner(user))
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}
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{ // Good case:
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require.NoError(t, VerifyRequestHeader(req))
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// validate, that first key (session key) was signed with owner
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signatures := req.GetSignatures()
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require.Len(t, signatures, count)
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pub, err := req.GetOwner()
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require.NoError(t, err)
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require.Equal(t, &owner.PublicKey, pub)
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}
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{ // Wrong signatures:
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copy(req.Signatures[count-1].Sign, req.Signatures[count-2].Sign)
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err := VerifyRequestHeader(req)
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require.EqualError(t, errors.Cause(err), crypto.ErrInvalidSignature.Error())
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}
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}
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func TestVerifyAndSignRequestHeaderWithoutCloning(t *testing.T) {
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key := test.DecodeKey(0)
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custom := testCustomField{1, 2, 3, 4, 5, 6, 7, 8}
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b := &TestRequest{
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IntField: math.MaxInt32,
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StringField: "TestRequestStringField",
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BytesField: []byte("TestRequestBytesField"),
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CustomField: &custom,
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RequestMetaHeader: RequestMetaHeader{
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TTL: math.MaxInt32 - 8,
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Epoch: math.MaxInt64 - 12,
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},
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}
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require.NoError(t, SignRequestHeader(key, b))
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require.NoError(t, VerifyRequestHeader(b))
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require.Len(t, b.Signatures, 1)
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require.Equal(t, custom, *b.CustomField)
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require.Equal(t, uint32(math.MaxInt32-8), b.GetTTL())
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require.Equal(t, uint64(math.MaxInt64-12), b.GetEpoch())
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buf := bytes.NewBuffer(nil)
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log.SetOutput(buf)
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cp, ok := proto.Clone(b).(*TestRequest)
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require.True(t, ok)
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require.NotEqual(t, b, cp)
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require.Contains(t, buf.String(), "proto: don't know how to copy")
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}
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func TestRequestVerificationHeader_SetToken(t *testing.T) {
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id, err := refs.NewUUID()
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require.NoError(t, err)
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