diff --git a/lnwallet/btcwallet/signer.go b/lnwallet/btcwallet/signer.go
index 2579386ce..c73732591 100644
--- a/lnwallet/btcwallet/signer.go
+++ b/lnwallet/btcwallet/signer.go
@@ -3,8 +3,10 @@ package btcwallet
 import (
 	"fmt"
 
+	"github.com/go-errors/errors"
 	"github.com/lightningnetwork/lnd/lnwallet"
 	"github.com/roasbeef/btcd/btcec"
+	"github.com/roasbeef/btcd/chaincfg/chainhash"
 	"github.com/roasbeef/btcd/txscript"
 	"github.com/roasbeef/btcd/wire"
 	"github.com/roasbeef/btcutil"
@@ -203,3 +205,39 @@ func (b *BtcWallet) ComputeInputScript(tx *wire.MsgTx,
 // A compile time check to ensure that BtcWallet implements the Signer
 // interface.
 var _ lnwallet.Signer = (*BtcWallet)(nil)
+
+// FundingSigner responsible for signing the data with the keys that were
+// generated by the wallet. At the moment of creation it is used for signing
+// the data with funding keys.
+type FundingSigner struct {
+	wallet *BtcWallet
+}
+
+// NewFundingSigner creates new instance of signer.
+func NewFundingSigner(wallet *BtcWallet) *FundingSigner {
+	return &FundingSigner{
+		wallet: wallet,
+	}
+}
+
+// SignData sign given data with the private key which corresponds to
+// the given public key.
+// This is a part of the DataSigner interface.
+func (s *FundingSigner) SignData(data []byte,
+	pubKey *btcec.PublicKey) (*btcec.Signature, error) {
+
+	// First attempt to fetch the private key which corresponds to the
+	// specified public key.
+	privKey, err := s.wallet.fetchPrivKey(pubKey)
+	if err != nil {
+		return nil, err
+	}
+
+	// Double hash and sign data.
+	sign, err := privKey.Sign(chainhash.DoubleHashB(data))
+	if err != nil {
+		return nil, errors.Errorf("unable sign the message: %v", err)
+	}
+
+	return sign, nil
+}
diff --git a/lnwallet/signer.go b/lnwallet/signer.go
new file mode 100644
index 000000000..db8135ba2
--- /dev/null
+++ b/lnwallet/signer.go
@@ -0,0 +1,33 @@
+package lnwallet
+
+import (
+	"fmt"
+
+	"github.com/roasbeef/btcd/btcec"
+	"github.com/roasbeef/btcd/chaincfg/chainhash"
+)
+
+// MessageSigner is used for creation the signatures using the node identity key.
+// By message we mean the whole range of data that might require our approve,
+// starting from node, channel, channel update announcements and ending by user
+// data.
+type MessageSigner struct {
+	identityKey *btcec.PrivateKey
+}
+
+// NewMessageSigner returns the new instance of message signer.
+func NewMessageSigner(key *btcec.PrivateKey) *MessageSigner {
+	return &MessageSigner{
+		identityKey: key,
+	}
+}
+
+// SignData sign the message with the node private key.
+func (s *MessageSigner) SignData(data []byte) (*btcec.Signature, error) {
+	sign, err := s.identityKey.Sign(chainhash.DoubleHashB(data))
+	if err != nil {
+		return nil, fmt.Errorf("can't sign the message: %v", err)
+	}
+
+	return sign, nil
+}