diff --git a/libgm/crypto/ECDSA.go b/libgm/crypto/ECDSA.go
index 891d87a..ea372cb 100644
--- a/libgm/crypto/ECDSA.go
+++ b/libgm/crypto/ECDSA.go
@@ -5,20 +5,15 @@ import (
 	"crypto/elliptic"
 	"crypto/rand"
 	"encoding/base64"
-	"encoding/json"
-	"fmt"
 	"math/big"
 )
 
 type JWK struct {
-	Kty          string   `json:"kty"`
-	Crv          string   `json:"crv"`
-	D            string   `json:"d"`
-	X            string   `json:"x"`
-	Y            string   `json:"y"`
-	Ext          bool     `json:"ext"`
-	KeyOps       []string `json:"key_ops"`
-	PrivateBytes []byte   `json:"private_bytes,omitempty"`
+	KeyType string `json:"kty"`
+	Curve   string `json:"crv"`
+	D       string `json:"d"`
+	X       string `json:"x"`
+	Y       string `json:"y"`
 }
 
 func (t *JWK) GetPrivateKey() (*ecdsa.PrivateKey, error) {
@@ -47,34 +42,7 @@ func (t *JWK) GetPrivateKey() (*ecdsa.PrivateKey, error) {
 	return priv, nil
 }
 
-// Returns a byte slice containing the JWK and an error if the generation or export failed.
-func (t *JWK) Marshal() ([]byte, error) {
-	JWKJSON, err := json.Marshal(t)
-	if err != nil {
-		fmt.Printf("Failed to marshal JWK: %v", err)
-		return nil, err
-	}
-	fmt.Printf("%s\n", JWKJSON)
-	return JWKJSON, err
-}
-
-func (t *JWK) PrivKeyB64Bytes() ([]byte, error) {
-	decodedPrivateKey, err2 := base64.RawURLEncoding.DecodeString(t.D)
-	return decodedPrivateKey, err2
-}
-
-func (t *JWK) ExtractPublicKeyDetails(pubKey []byte) *JWK {
-	x := base64.RawURLEncoding.EncodeToString(pubKey[1:33])
-	y := base64.RawURLEncoding.EncodeToString(pubKey[33:])
-	return &JWK{
-		Kty: "EC",
-		Crv: "P-256",
-		X:   x,
-		Y:   y,
-	}
-}
-
-func (t *JWK) DecompressPubkey() (*ecdsa.PublicKey, error) {
+func (t *JWK) GetPublicKey() (*ecdsa.PublicKey, error) {
 	xBytes, err := base64.RawURLEncoding.DecodeString(t.X)
 	if err != nil {
 		return nil, err
@@ -94,46 +62,25 @@ func (t *JWK) DecompressPubkey() (*ecdsa.PublicKey, error) {
 	return pubKey, nil
 }
 
-func (t *JWK) UncompressPubKey() ([]byte, error) {
-	xBytes, err := base64.RawURLEncoding.DecodeString(t.X)
+func (t *JWK) MarshalPubKey() ([]byte, error) {
+	pubKey, err := t.GetPublicKey()
 	if err != nil {
 		return nil, err
 	}
-	yBytes, err := base64.RawURLEncoding.DecodeString(t.Y)
-	if err != nil {
-		return nil, err
-	}
-
-	x := new(big.Int).SetBytes(xBytes)
-	y := new(big.Int).SetBytes(yBytes)
-
-	pubKey := &ecdsa.PublicKey{
-		Curve: elliptic.P256(),
-		X:     x,
-		Y:     y,
-	}
-
-	uncompressedPubKey := elliptic.Marshal(pubKey.Curve, pubKey.X, pubKey.Y)
-
-	return uncompressedPubKey, nil
+	return elliptic.Marshal(pubKey.Curve, pubKey.X, pubKey.Y), nil
 }
 
-// GenerateECDSA_P256_JWK generates a new ECDSA private key with P-256 curve
-func GenerateECDSA_P256_JWK() (*JWK, error) {
+// GenerateECDSAKey generates a new ECDSA private key with P-256 curve
+func GenerateECDSAKey() (*JWK, error) {
 	privKey, err := ecdsa.GenerateKey(elliptic.P256(), rand.Reader)
 	if err != nil {
-		fmt.Printf("Failed to generate private key: %v", err)
 		return nil, err
 	}
-
-	JWK := &JWK{
-		Kty:    "EC",
-		Crv:    "P-256",
-		D:      base64.RawURLEncoding.EncodeToString(privKey.D.Bytes()),
-		X:      base64.RawURLEncoding.EncodeToString(privKey.X.Bytes()),
-		Y:      base64.RawURLEncoding.EncodeToString(privKey.Y.Bytes()),
-		Ext:    true,
-		KeyOps: []string{"sign"},
-	}
-	return JWK, nil
+	return &JWK{
+		KeyType: "EC",
+		Curve:   "P-256",
+		D:       base64.RawURLEncoding.EncodeToString(privKey.D.Bytes()),
+		X:       base64.RawURLEncoding.EncodeToString(privKey.X.Bytes()),
+		Y:       base64.RawURLEncoding.EncodeToString(privKey.Y.Bytes()),
+	}, nil
 }
diff --git a/libgm/pair.go b/libgm/pair.go
index 52e62ab..b285815 100644
--- a/libgm/pair.go
+++ b/libgm/pair.go
@@ -25,7 +25,7 @@ refreshQrCodeTime is the interval to refresh the qr code in seconds, this is usu
 func (c *Client) NewPairer(keyData *crypto.JWK, refreshQrCodeTime int) (*Pairer, error) {
 	if keyData == nil {
 		var err error
-		keyData, err = crypto.GenerateECDSA_P256_JWK()
+		keyData, err = crypto.GenerateECDSAKey()
 		c.updateJWK(keyData)
 		if err != nil {
 			c.Logger.Error().Any("data", keyData).Msg(err.Error())
diff --git a/libgm/payload/registerPhoneRelay.go b/libgm/payload/registerPhoneRelay.go
index 63c650d..63bdd95 100644
--- a/libgm/payload/registerPhoneRelay.go
+++ b/libgm/payload/registerPhoneRelay.go
@@ -38,12 +38,7 @@ func RegisterPhoneRelay(jwk *crypto.JWK) ([]byte, *binary.AuthenticationContaine
 }
 
 func uncompressKey(jwk *crypto.JWK) ([]byte, error) {
-	decodedPrivateKey, err2 := jwk.PrivKeyB64Bytes()
-	if err2 != nil {
-		return nil, err2
-	}
-	jwk.PrivateBytes = decodedPrivateKey
-	uncompressedPublicKey, err3 := jwk.UncompressPubKey()
+	uncompressedPublicKey, err3 := jwk.MarshalPubKey()
 	if err3 != nil {
 		return nil, err3
 	}