diff --git a/auth/center.go b/auth/center.go
index 207fccf3..42c38549 100644
--- a/auth/center.go
+++ b/auth/center.go
@@ -18,7 +18,6 @@ import (
 	"github.com/nspcc-dev/neofs-authmate/credentials"
 	"github.com/nspcc-dev/neofs-authmate/gates"
 	manager "github.com/nspcc-dev/neofs-authmate/neofsmanager"
-	crypto "github.com/nspcc-dev/neofs-crypto"
 	"github.com/pkg/errors"
 	"go.uber.org/zap"
 )
@@ -50,9 +49,10 @@ func NewCenter(log *zap.Logger, neofsNodeAddress string) (*Center, error) {
 }
 
 func (center *Center) SetNeoFSKeys(key *ecdsa.PrivateKey) error {
-	// TODO: Change when credentials will start taking not just a string.
-	wif, _ := crypto.WIFEncode(key)
-	creds, _ := credentials.NewCredentials(wif)
+	creds, err := credentials.NewFromKey(key)
+	if err != nil {
+		return err
+	}
 	center.neofsCredentials = creds
 	return nil
 }
@@ -65,7 +65,7 @@ func (center *Center) GetOwnerID() refs.OwnerID {
 	return center.neofsCredentials.OwnerID()
 }
 
-func (center *Center) SetUserAuthKeys(key hcs.X25519PrivateKey) error {
+func (center *Center) SetAuthKeys(key hcs.X25519PrivateKey) error {
 	keys, err := hcs.NewKeys(key)
 	if err != nil {
 		return err
diff --git a/cmd/gate/app-settings.go b/cmd/gate/app-settings.go
index 69522258..4e121e48 100644
--- a/cmd/gate/app-settings.go
+++ b/cmd/gate/app-settings.go
@@ -118,7 +118,7 @@ func fetchAuthCenter(l *zap.Logger, v *viper.Viper, peers []pool.Peer) (*auth.Ce
 	if err != nil {
 		return nil, errors.Wrap(err, "failed to create auth center")
 	}
-	if err = center.SetUserAuthKeys(gateAuthPrivateKey); err != nil {
+	if err = center.SetAuthKeys(gateAuthPrivateKey); err != nil {
 		return nil, errors.Wrap(err, "failed to set gate auth keys")
 	}
 	if err = center.SetNeoFSKeys(neofsPrivateKey); err != nil {