diff --git a/um_crypto/kuwo/src/lib.rs b/um_crypto/kuwo/src/lib.rs
index ef5affd..13f93d4 100644
--- a/um_crypto/kuwo/src/lib.rs
+++ b/um_crypto/kuwo/src/lib.rs
@@ -105,7 +105,7 @@ impl Header {
         })
     }
 
-    pub fn get_cipher<T>(&self, ekey: Option<T>) -> Result<Cipher>
+    pub fn get_decipher<T>(&self, ekey: Option<T>) -> Result<Cipher>
     where
         T: AsRef<[u8]>,
     {
diff --git a/um_wasm/src/exports/kuwo.rs b/um_wasm/src/exports/kuwo.rs
index 68b2886..1e9d875 100644
--- a/um_wasm/src/exports/kuwo.rs
+++ b/um_wasm/src/exports/kuwo.rs
@@ -25,9 +25,9 @@ impl JsKuwoHeader {
     }
 
     /// Create an instance of cipher (decipher) for decryption
-    #[wasm_bindgen(js_name=makeCipher)]
-    pub fn make_cipher(&self, ekey: Option<String>) -> Result<JsCipher, JsError> {
-        let cipher = self.0.get_cipher(ekey).map_err(map_js_error)?;
+    #[wasm_bindgen(js_name=makeDecipher)]
+    pub fn make_decipher(&self, ekey: Option<String>) -> Result<JsCipher, JsError> {
+        let cipher = self.0.get_decipher(ekey).map_err(map_js_error)?;
         Ok(JsCipher(cipher))
     }
 }