diff --git a/commands/constructors.go b/commands/constructors.go
index 12fc1e3..1d4b3d3 100644
--- a/commands/constructors.go
+++ b/commands/constructors.go
@@ -77,6 +77,20 @@ func CreateSignDataEddsaCommand(keyID uint16, data []byte) (*CommandMessage, err
 	return command, nil
 }
 
+func CreateSignDataEcdsaCommand(keyID uint16, data []byte) (*CommandMessage, error) {
+	command := &CommandMessage{
+		CommandType: CommandTypeSignDataEcdsa,
+	}
+
+	payload := bytes.NewBuffer([]byte{})
+	binary.Write(payload, binary.BigEndian, keyID)
+	payload.Write(data)
+
+	command.Data = payload.Bytes()
+
+	return command, nil
+}
+
 func CreatePutAsymmetricKeyCommand(keyID uint16, label []byte, domains uint16, capabilities uint64, algorithm Algorithm, keyPart1 []byte, keyPart2 []byte) (*CommandMessage, error) {
 	if len(label) > LabelLength {
 		return nil, errors.New("label is too long")
@@ -124,6 +138,19 @@ func CreateGetPubKeyCommand(keyID uint16) (*CommandMessage, error) {
 	return command, nil
 }
 
+func CreateDeleteObjectCommand(objID uint16, objType uint8) (*CommandMessage, error) {
+	command := &CommandMessage{
+		CommandType: CommandTypeDeleteObject,
+	}
+
+	payload := bytes.NewBuffer([]byte{})
+	binary.Write(payload, binary.BigEndian, objID)
+	binary.Write(payload, binary.BigEndian, objType)
+	command.Data = payload.Bytes()
+
+	return command, nil
+}
+
 func CreateEchoCommand(data []byte) (*CommandMessage, error) {
 	command := &CommandMessage{
 		CommandType: CommandTypeEcho,
diff --git a/commands/response.go b/commands/response.go
index 5503c72..60ac2e3 100644
--- a/commands/response.go
+++ b/commands/response.go
@@ -39,6 +39,10 @@ type (
 		Signature []byte
 	}
 
+	SignDataEcdsaResponse struct {
+		Signature []byte
+	}
+
 	GetPubKeyResponse struct {
 		Algorithm Algorithm
 		// KeyData can contain different formats depending on the algorithm according to the YubiHSM2 documentation.
@@ -82,12 +86,16 @@ func ParseResponse(data []byte) (Response, error) {
 		return parseCreateAsymmetricKeyResponse(payload)
 	case CommandTypeSignDataEddsa:
 		return parseSignDataEddsaResponse(payload)
+	case CommandTypeSignDataEcdsa:
+		return parseSignDataEcdsaResponse(payload)
 	case CommandTypePutAsymmetric:
 		return parsePutAsymmetricKeyResponse(payload)
 	case CommandTypeCloseSession:
 		return nil, nil
 	case CommandTypeGetPubKey:
 		return parseGetPubKeyResponse(payload)
+	case CommandTypeDeleteObject:
+		return nil, nil
 	case CommandTypeEcho:
 		return parseEchoResponse(payload)
 	case ErrorResponseCode:
@@ -149,6 +157,12 @@ func parseSignDataEddsaResponse(payload []byte) (Response, error) {
 	}, nil
 }
 
+func parseSignDataEcdsaResponse(payload []byte) (Response, error) {
+	return &SignDataEcdsaResponse{
+		Signature: payload,
+	}, nil
+}
+
 func parsePutAsymmetricKeyResponse(payload []byte) (Response, error) {
 	if len(payload) != 2 {
 		return nil, errors.New("invalid response payload length")
diff --git a/commands/types.go b/commands/types.go
index 683a353..d6da3e8 100644
--- a/commands/types.go
+++ b/commands/types.go
@@ -78,7 +78,8 @@ const (
 	ErrorCodeCommandUnexecuted ErrorCode = 0xff
 
 	// Algorithms
-	AlgorighmED25519 Algorithm = 46
+	AlgorithmSecp256k1 Algorithm = 15
+	AlgorighmED25519   Algorithm = 46
 
 	// Capabilities
 	CapabilityGetOpaque             uint64 = 0x0000000000000001
@@ -145,4 +146,13 @@ const (
 	Domain14 uint16 = 0x2000
 	Domain15 uint16 = 0x4000
 	Domain16 uint16 = 0x8000
+
+	// object types
+	ObjectTypeOpaque            uint8 = 0x01
+	ObjectTypeAuthenticationKey uint8 = 0x02
+	ObjectTypeAsymmetricKey     uint8 = 0x03
+	ObjectTypeWrapKey           uint8 = 0x04
+	ObjectTypeHmacKey           uint8 = 0x05
+	ObjectTypeTemplate          uint8 = 0x06
+	ObjectTypeOtpAeadKey        uint8 = 0x07
 )
diff --git a/connector/connector.go b/connector/connector.go
index 5ef8a2f..465b724 100644
--- a/connector/connector.go
+++ b/connector/connector.go
@@ -1,6 +1,6 @@
 package connector
 
-import "github.com/certusone/yubihsm-go/commands"
+import "github.com/loomnetwork/yubihsm-go/commands"
 
 type (
 	// Connector implements a simple request interface with a YubiHSM2
diff --git a/connector/http.go b/connector/http.go
index a31f23a..a55437f 100644
--- a/connector/http.go
+++ b/connector/http.go
@@ -3,10 +3,11 @@ package connector
 import (
 	"bytes"
 	"fmt"
-	"github.com/certusone/yubihsm-go/commands"
 	"io/ioutil"
 	"net/http"
 	"strings"
+
+	"github.com/loomnetwork/yubihsm-go/commands"
 )
 
 type (
diff --git a/manager.go b/manager.go
index e682a02..a40b51a 100644
--- a/manager.go
+++ b/manager.go
@@ -3,11 +3,12 @@ package yubihsm
 import (
 	"bytes"
 	"errors"
-	"github.com/certusone/yubihsm-go/commands"
-	"github.com/certusone/yubihsm-go/connector"
-	"github.com/certusone/yubihsm-go/securechannel"
 	"sync"
 	"time"
+
+	"github.com/loomnetwork/yubihsm-go/commands"
+	"github.com/loomnetwork/yubihsm-go/connector"
+	"github.com/loomnetwork/yubihsm-go/securechannel"
 )
 
 type (
diff --git a/securechannel/channel.go b/securechannel/channel.go
index 75fe8d0..d3791e4 100644
--- a/securechannel/channel.go
+++ b/securechannel/channel.go
@@ -7,10 +7,11 @@ import (
 	"crypto/rand"
 	"encoding/binary"
 	"errors"
-	"github.com/certusone/yubihsm-go/commands"
-	"github.com/certusone/yubihsm-go/connector"
-	"github.com/enceve/crypto/cmac"
 	"sync"
+
+	"github.com/enceve/crypto/cmac"
+	"github.com/loomnetwork/yubihsm-go/commands"
+	"github.com/loomnetwork/yubihsm-go/connector"
 )
 
 type (