diff --git a/common/version/version.go b/common/version/version.go
index 3eab64087..5f1b9989a 100644
--- a/common/version/version.go
+++ b/common/version/version.go
@@ -5,7 +5,7 @@ import (
 	"runtime/debug"
 )
 
-var tag = "v4.4.41"
+var tag = "v4.4.42"
 
 var commit = func() string {
 	if info, ok := debug.ReadBuildInfo(); ok {
diff --git a/coordinator/internal/types/auth.go b/coordinator/internal/types/auth.go
index 97868ec36..810bea280 100644
--- a/coordinator/internal/types/auth.go
+++ b/coordinator/internal/types/auth.go
@@ -26,6 +26,23 @@ type LoginSchema struct {
 	Token string    `json:"token"`
 }
 
+// TODO just use for darwin upgrade, need delete next upgrade
+type identity struct {
+	ProverName    string `json:"prover_name"`
+	ProverVersion string `json:"prover_version"`
+	Challenge     string `json:"challenge"`
+	HardForkName  string `json:"hard_fork_name"`
+}
+
+func (i *identity) Hash() ([]byte, error) {
+	byt, err := rlp.EncodeToBytes(i)
+	if err != nil {
+		return nil, err
+	}
+	hash := crypto.Keccak256Hash(byt)
+	return hash[:], nil
+}
+
 // Message the login message struct
 type Message struct {
 	Challenge     string       `form:"challenge" json:"challenge" binding:"required"`
@@ -80,7 +97,14 @@ func (a *LoginParameter) Verify() (bool, error) {
 // RecoverPublicKeyFromSignature get public key from signature.
 // This method is for pre-darwin's compatible.
 func (a *LoginParameter) RecoverPublicKeyFromSignature() (string, error) {
-	hash, err := a.Message.Hash()
+	curieIdentity := identity{
+		ProverName:    a.Message.ProverName,
+		ProverVersion: a.Message.ProverVersion,
+		Challenge:     a.Message.Challenge,
+		HardForkName:  "curie",
+	}
+
+	hash, err := curieIdentity.Hash()
 	if err != nil {
 		return "", err
 	}