object: Add public key header type

Object can contain public key header. It will be used
for object verification. This header can contain owner's
public key or be the part of x509 chain verification in
couple with verification header.

object/types.go

@@ -67,6 +67,8 @@ const (
 	IntegrityHdr
 	// StorageGroupHdr is a storage group header type.
 	StorageGroupHdr
+	// PublicKeyHdr is a public key header type.
+	PublicKeyHdr
 )
 
 var (
@@ -140,6 +142,8 @@ func (m Header) typeOf(t isHeader_Value) (ok bool) {
 		_, ok = m.Value.(*Header_Integrity)
 	case *Header_StorageGroup:
 		_, ok = m.Value.(*Header_StorageGroup)
+	case *Header_PublicKey:
+		_, ok = m.Value.(*Header_PublicKey)
 	}
 	return
 }
@@ -168,6 +172,8 @@ func HeaderType(t headerType) Pred {
 		return func(h *Header) bool { _, ok := h.Value.(*Header_Integrity); return ok }
 	case StorageGroupHdr:
 		return func(h *Header) bool { _, ok := h.Value.(*Header_StorageGroup); return ok }
+	case PublicKeyHdr:
+		return func(h *Header) bool { _, ok := h.Value.(*Header_PublicKey); return ok }
 	default:
 		return nil
 	}

object/types.pb.go

@@ -220,6 +220,7 @@ type Header struct {
 	//	*Header_PayloadChecksum
 	//	*Header_Integrity
 	//	*Header_StorageGroup
+	//	*Header_PublicKey
 	Value                isHeader_Value `protobuf_oneof:"Value"`
 	XXX_NoUnkeyedLiteral struct{}       `json:"-"`
 	XXX_unrecognized     []byte         `json:"-"`
@@ -291,6 +292,9 @@ type Header_Integrity struct {
 type Header_StorageGroup struct {
 	StorageGroup *storagegroup.StorageGroup `protobuf:"bytes,10,opt,name=StorageGroup,proto3,oneof" json:"StorageGroup,omitempty"`
 }
+type Header_PublicKey struct {
+	PublicKey *PublicKey `protobuf:"bytes,11,opt,name=PublicKey,proto3,oneof" json:"PublicKey,omitempty"`
+}
 
 func (*Header_Link) isHeader_Value()            {}
 func (*Header_Redirect) isHeader_Value()        {}
@@ -302,6 +306,7 @@ func (*Header_HomoHash) isHeader_Value()        {}
 func (*Header_PayloadChecksum) isHeader_Value() {}
 func (*Header_Integrity) isHeader_Value()       {}
 func (*Header_StorageGroup) isHeader_Value()    {}
+func (*Header_PublicKey) isHeader_Value()       {}
 
 func (m *Header) GetValue() isHeader_Value {
 	if m != nil {
@@ -373,6 +378,13 @@ func (m *Header) GetStorageGroup() *storagegroup.StorageGroup {
 	return nil
 }
 
+func (m *Header) GetPublicKey() *PublicKey {
+	if x, ok := m.GetValue().(*Header_PublicKey); ok {
+		return x.PublicKey
+	}
+	return nil
+}
+
 // XXX_OneofWrappers is for the internal use of the proto package.
 func (*Header) XXX_OneofWrappers() []interface{} {
 	return []interface{}{
@@ -386,6 +398,7 @@ func (*Header) XXX_OneofWrappers() []interface{} {
 		(*Header_PayloadChecksum)(nil),
 		(*Header_Integrity)(nil),
 		(*Header_StorageGroup)(nil),
+		(*Header_PublicKey)(nil),
 	}
 }
 
@@ -750,6 +763,50 @@ func (m *Object) GetPayload() []byte {
 	return nil
 }
 
+type PublicKey struct {
+	// Value contains marshaled ecdsa public key
+	Value                []byte   `protobuf:"bytes,1,opt,name=Value,proto3" json:"Value,omitempty"`
+	XXX_NoUnkeyedLiteral struct{} `json:"-"`
+	XXX_unrecognized     []byte   `json:"-"`
+	XXX_sizecache        int32    `json:"-"`
+}
+
+func (m *PublicKey) Reset()         { *m = PublicKey{} }
+func (m *PublicKey) String() string { return proto.CompactTextString(m) }
+func (*PublicKey) ProtoMessage()    {}
+func (*PublicKey) Descriptor() ([]byte, []int) {
+	return fileDescriptor_02021a1d39b1aee0, []int{10}
+}
+func (m *PublicKey) XXX_Unmarshal(b []byte) error {
+	return m.Unmarshal(b)
+}
+func (m *PublicKey) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
+	b = b[:cap(b)]
+	n, err := m.MarshalToSizedBuffer(b)
+	if err != nil {
+		return nil, err
+	}
+	return b[:n], nil
+}
+func (m *PublicKey) XXX_Merge(src proto.Message) {
+	xxx_messageInfo_PublicKey.Merge(m, src)
+}
+func (m *PublicKey) XXX_Size() int {
+	return m.Size()
+}
+func (m *PublicKey) XXX_DiscardUnknown() {
+	xxx_messageInfo_PublicKey.DiscardUnknown(m)
+}
+
+var xxx_messageInfo_PublicKey proto.InternalMessageInfo
+
+func (m *PublicKey) GetValue() []byte {
+	if m != nil {
+		return m.Value
+	}
+	return nil
+}
+
 func init() {
 	proto.RegisterEnum("object.Link_Type", Link_Type_name, Link_Type_value)
 	proto.RegisterEnum("object.Transform_Type", Transform_Type_name, Transform_Type_value)
@@ -763,66 +820,69 @@ func init() {
 	proto.RegisterType((*Link)(nil), "object.Link")
 	proto.RegisterType((*Transform)(nil), "object.Transform")
 	proto.RegisterType((*Object)(nil), "object.Object")
+	proto.RegisterType((*PublicKey)(nil), "object.PublicKey")
 }
 
 func init() { proto.RegisterFile("object/types.proto", fileDescriptor_02021a1d39b1aee0) }
 
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-	0x3a, 0x4f, 0x3c, 0x07, 0x79, 0x55, 0x1f, 0x7a, 0x8d, 0x60, 0x5e, 0xba, 0xc3, 0xe8, 0x71, 0xa5,
+	0x28, 0x8f, 0xa5, 0x5b, 0x45, 0x2d, 0xb0, 0x7f, 0x21, 0x2f, 0x94, 0x5b, 0x43, 0x6d, 0xa8, 0x9f,
-	0xca, 0x47, 0x6f, 0xdc, 0xe5, 0x52, 0xa9, 0xc1, 0x93, 0xb7, 0x95, 0xd3, 0x81, 0xc6, 0xf9, 0x72,
+	0x2e, 0xe8, 0x72, 0xe6, 0xda, 0xc8, 0x2d, 0x47, 0xd7, 0xad, 0xfb, 0xcb, 0xc2, 0xb5, 0x47, 0x8f,
-	0x4e, 0x75, 0x35, 0x6d, 0x70, 0x74, 0x1f, 0xbc, 0x9a, 0x4e, 0xfe, 0xc4, 0x57, 0xf3, 0xc4, 0xab,
+	0x4a, 0x5d, 0x3e, 0x7c, 0xe3, 0xfa, 0x17, 0x5a, 0xf5, 0x1f, 0xbf, 0xad, 0x9d, 0x36, 0xd4, 0xcf,
-	0x07, 0xbf, 0xdb, 0xd0, 0x3c, 0x35, 0x9b, 0xa2, 0x6f, 0xab, 0xce, 0xcd, 0xbf, 0x65, 0x0f, 0x8b,
+	0xd7, 0x4b, 0xaa, 0xbb, 0x69, 0x81, 0xad, 0xe7, 0xe0, 0x56, 0x75, 0xf1, 0x67, 0x1e, 0x2f, 0x67,
-	0x77, 0x96, 0xb1, 0xdc, 0x05, 0x55, 0xa7, 0x87, 0xd0, 0xca, 0x67, 0xe3, 0xd7, 0xf6, 0xea, 0xfb,
+	0x6e, 0xcd, 0xff, 0xdd, 0x82, 0xc6, 0x99, 0xd9, 0x14, 0x7d, 0x57, 0x4e, 0x6e, 0xfa, 0xfa, 0x7b,
-	0xdd, 0xa3, 0xfb, 0x85, 0xb4, 0x22, 0x2a, 0x48, 0xfa, 0x66, 0xe4, 0x56, 0xcf, 0xec, 0x8d, 0x8b,
+	0x90, 0xfd, 0x67, 0x91, 0x4b, 0x53, 0x50, 0x4e, 0x7a, 0x00, 0xcd, 0xf4, 0x6c, 0xbc, 0xea, 0x7e,
-	0x70, 0xf0, 0xcd, 0xab, 0xdb, 0xbe, 0xfd, 0xd7, 0x6d, 0xdf, 0xfe, 0xfb, 0xb6, 0x6f, 0xff, 0x73,
+	0xed, 0xa0, 0x73, 0x7c, 0x2f, 0xb3, 0x96, 0x4c, 0x99, 0x48, 0xdf, 0x8c, 0x34, 0xea, 0x49, 0xbc,
-	0xdb, 0xb7, 0xff, 0xf8, 0xb7, 0x6f, 0xfd, 0xf2, 0x49, 0xe9, 0x67, 0xc0, 0xe4, 0x72, 0x32, 0x39,
+	0x71, 0x06, 0xfd, 0x0f, 0x0b, 0xb7, 0x71, 0xfb, 0xba, 0x4e, 0xce, 0x3f, 0x01, 0xfd, 0x6f, 0x5f,
-	0x48, 0xc8, 0xf3, 0x43, 0x46, 0xf8, 0x54, 0x1e, 0x64, 0xbf, 0x82, 0xec, 0x75, 0xe3, 0xa6, 0x89,
+	0xde, 0xf6, 0xac, 0xbf, 0x6f, 0x7b, 0xd6, 0x3f, 0xb7, 0x3d, 0xeb, 0xdf, 0xdb, 0x9e, 0xf5, 0xc7,
-	0x9e, 0xfc, 0x1f, 0x00, 0x00, 0xff, 0xff, 0x06, 0x20, 0x25, 0xf2, 0x9b, 0x06, 0x00, 0x00,
+	0x7f, 0xbd, 0xca, 0xaf, 0x9f, 0x16, 0x3e, 0x31, 0x4c, 0xae, 0xa7, 0xd3, 0xc3, 0x19, 0x79, 0x76,
+	0xc4, 0x08, 0x9f, 0xcb, 0xc3, 0xe4, 0x03, 0x93, 0x74, 0x34, 0x69, 0x18, 0xf4, 0xf8, 0x75, 0x00,
+	0x00, 0x00, 0xff, 0xff, 0x95, 0x5d, 0xc3, 0x1e, 0xf1, 0x06, 0x00, 0x00,
 }
 
 func (m *Range) Marshal() (dAtA []byte, err error) {
@@ -1142,6 +1202,27 @@ func (m *Header_StorageGroup) MarshalToSizedBuffer(dAtA []byte) (int, error) {
 	}
 	return len(dAtA) - i, nil
 }
+func (m *Header_PublicKey) MarshalTo(dAtA []byte) (int, error) {
+	size := m.Size()
+	return m.MarshalToSizedBuffer(dAtA[:size])
+}
+
+func (m *Header_PublicKey) MarshalToSizedBuffer(dAtA []byte) (int, error) {
+	i := len(dAtA)
+	if m.PublicKey != nil {
+		{
+			size, err := m.PublicKey.MarshalToSizedBuffer(dAtA[:i])
+			if err != nil {
+				return 0, err
+			}
+			i -= size
+			i = encodeVarintTypes(dAtA, i, uint64(size))
+		}
+		i--
+		dAtA[i] = 0x5a
+	}
+	return len(dAtA) - i, nil
+}
 func (m *Tombstone) Marshal() (dAtA []byte, err error) {
 	size := m.Size()
 	dAtA = make([]byte, size)
@@ -1456,6 +1537,40 @@ func (m *Object) MarshalToSizedBuffer(dAtA []byte) (int, error) {
 	return len(dAtA) - i, nil
 }
 
+func (m *PublicKey) Marshal() (dAtA []byte, err error) {
+	size := m.Size()
+	dAtA = make([]byte, size)
+	n, err := m.MarshalToSizedBuffer(dAtA[:size])
+	if err != nil {
+		return nil, err
+	}
+	return dAtA[:n], nil
+}
+
+func (m *PublicKey) MarshalTo(dAtA []byte) (int, error) {
+	size := m.Size()
+	return m.MarshalToSizedBuffer(dAtA[:size])
+}
+
+func (m *PublicKey) MarshalToSizedBuffer(dAtA []byte) (int, error) {
+	i := len(dAtA)
+	_ = i
+	var l int
+	_ = l
+	if m.XXX_unrecognized != nil {
+		i -= len(m.XXX_unrecognized)
+		copy(dAtA[i:], m.XXX_unrecognized)
+	}
+	if len(m.Value) > 0 {
+		i -= len(m.Value)
+		copy(dAtA[i:], m.Value)
+		i = encodeVarintTypes(dAtA, i, uint64(len(m.Value)))
+		i--
+		dAtA[i] = 0xa
+	}
+	return len(dAtA) - i, nil
+}
+
 func encodeVarintTypes(dAtA []byte, offset int, v uint64) int {
 	offset -= sovTypes(v)
 	base := offset
@@ -1638,6 +1753,18 @@ func (m *Header_StorageGroup) Size() (n int) {
 	}
 	return n
 }
+func (m *Header_PublicKey) Size() (n int) {
+	if m == nil {
+		return 0
+	}
+	var l int
+	_ = l
+	if m.PublicKey != nil {
+		l = m.PublicKey.Size()
+		n += 1 + l + sovTypes(uint64(l))
+	}
+	return n
+}
 func (m *Tombstone) Size() (n int) {
 	if m == nil {
 		return 0
@@ -1770,6 +1897,22 @@ func (m *Object) Size() (n int) {
 	return n
 }
 
+func (m *PublicKey) Size() (n int) {
+	if m == nil {
+		return 0
+	}
+	var l int
+	_ = l
+	l = len(m.Value)
+	if l > 0 {
+		n += 1 + l + sovTypes(uint64(l))
+	}
+	if m.XXX_unrecognized != nil {
+		n += len(m.XXX_unrecognized)
+	}
+	return n
+}
+
 func sovTypes(x uint64) (n int) {
 	return (math_bits.Len64(x|1) + 6) / 7
 }
@@ -2364,6 +2507,41 @@ func (m *Header) Unmarshal(dAtA []byte) error {
 			}
 			m.Value = &Header_StorageGroup{v}
 			iNdEx = postIndex
+		case 11:
+			if wireType != 2 {
+				return fmt.Errorf("proto: wrong wireType = %d for field PublicKey", wireType)
+			}
+			var msglen int
+			for shift := uint(0); ; shift += 7 {
+				if shift >= 64 {
+					return ErrIntOverflowTypes
+				}
+				if iNdEx >= l {
+					return io.ErrUnexpectedEOF
+				}
+				b := dAtA[iNdEx]
+				iNdEx++
+				msglen |= int(b&0x7F) << shift
+				if b < 0x80 {
+					break
+				}
+			}
+			if msglen < 0 {
+				return ErrInvalidLengthTypes
+			}
+			postIndex := iNdEx + msglen
+			if postIndex < 0 {
+				return ErrInvalidLengthTypes
+			}
+			if postIndex > l {
+				return io.ErrUnexpectedEOF
+			}
+			v := &PublicKey{}
+			if err := v.Unmarshal(dAtA[iNdEx:postIndex]); err != nil {
+				return err
+			}
+			m.Value = &Header_PublicKey{v}
+			iNdEx = postIndex
 		default:
 			iNdEx = preIndex
 			skippy, err := skipTypes(dAtA[iNdEx:])
@@ -3215,6 +3393,94 @@ func (m *Object) Unmarshal(dAtA []byte) error {
 	}
 	return nil
 }
+func (m *PublicKey) Unmarshal(dAtA []byte) error {
+	l := len(dAtA)
+	iNdEx := 0
+	for iNdEx < l {
+		preIndex := iNdEx
+		var wire uint64
+		for shift := uint(0); ; shift += 7 {
+			if shift >= 64 {
+				return ErrIntOverflowTypes
+			}
+			if iNdEx >= l {
+				return io.ErrUnexpectedEOF
+			}
+			b := dAtA[iNdEx]
+			iNdEx++
+			wire |= uint64(b&0x7F) << shift
+			if b < 0x80 {
+				break
+			}
+		}
+		fieldNum := int32(wire >> 3)
+		wireType := int(wire & 0x7)
+		if wireType == 4 {
+			return fmt.Errorf("proto: PublicKey: wiretype end group for non-group")
+		}
+		if fieldNum <= 0 {
+			return fmt.Errorf("proto: PublicKey: illegal tag %d (wire type %d)", fieldNum, wire)
+		}
+		switch fieldNum {
+		case 1:
+			if wireType != 2 {
+				return fmt.Errorf("proto: wrong wireType = %d for field Value", wireType)
+			}
+			var byteLen int
+			for shift := uint(0); ; shift += 7 {
+				if shift >= 64 {
+					return ErrIntOverflowTypes
+				}
+				if iNdEx >= l {
+					return io.ErrUnexpectedEOF
+				}
+				b := dAtA[iNdEx]
+				iNdEx++
+				byteLen |= int(b&0x7F) << shift
+				if b < 0x80 {
+					break
+				}
+			}
+			if byteLen < 0 {
+				return ErrInvalidLengthTypes
+			}
+			postIndex := iNdEx + byteLen
+			if postIndex < 0 {
+				return ErrInvalidLengthTypes
+			}
+			if postIndex > l {
+				return io.ErrUnexpectedEOF
+			}
+			m.Value = append(m.Value[:0], dAtA[iNdEx:postIndex]...)
+			if m.Value == nil {
+				m.Value = []byte{}
+			}
+			iNdEx = postIndex
+		default:
+			iNdEx = preIndex
+			skippy, err := skipTypes(dAtA[iNdEx:])
+			if err != nil {
+				return err
+			}
+			if skippy < 0 {
+				return ErrInvalidLengthTypes
+			}
+			if (iNdEx + skippy) < 0 {
+				return ErrInvalidLengthTypes
+			}
+			if (iNdEx + skippy) > l {
+				return io.ErrUnexpectedEOF
+			}
+			m.XXX_unrecognized = append(m.XXX_unrecognized, dAtA[iNdEx:iNdEx+skippy]...)
+			iNdEx += skippy
+		}
+	}
+
+	if iNdEx > l {
+		return io.ErrUnexpectedEOF
+	}
+	return nil
+}
 func skipTypes(dAtA []byte) (n int, err error) {
 	l := len(dAtA)
 	iNdEx := 0

object/types.proto

@@ -45,6 +45,8 @@ message Header {
         IntegrityHeader Integrity              = 9;
         // StorageGroup contains meta information for the data audit
         storagegroup.StorageGroup StorageGroup = 10;
+        // PublicKey of owner of the object. Key is used for verification and can be based on NeoID or x509 cert.
+        PublicKey PublicKey                    = 11;
     }
 }
 
@@ -122,3 +124,8 @@ message Object {
     // Payload is an object's payload
     bytes Payload             = 3;
 }
+
+message PublicKey {
+    // Value contains marshaled ecdsa public key
+    bytes Value = 1;
+}