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wx/V3/WxV3PaymentTait.php

@@ -12,28 +12,11 @@ use wchat\common\Help;
  */
 const BLOCK_SIZE = 16;
 
-/**
- * Bytes length of the AES secret key.
- */
-const KEY_LENGTH_BYTE = 32;
-
-/**
- * Bytes Length of the authentication tag in AEAD cipher mode
- * @deprecated 1.0 - As of the OpenSSL described, the `auth_tag` length may be one of 16, 15, 14, 13, 12, 8 or 4.
- *                   Keep it only compatible for the samples on the official documentation.
- */
-const AUTH_TAG_LENGTH_BYTE = 16;
-
 /**
  * The `aes-256-gcm` algorithm string
  */
 const ALGO_AES_256_GCM = 'aes-256-gcm';
 
-/**
- * The `aes-256-ecb` algorithm string
- */
-const ALGO_AES_256_ECB = 'aes-256-ecb';
-
 trait WxV3PaymentTait
 {
 
@@ -111,7 +94,7 @@ trait WxV3PaymentTait
     {
         $payConfig = $this->getPayConfig();
 
-        $mch_private_key = openssl_get_privatekey($payConfig->pay->wx->mchKey);
+        $mch_private_key = openssl_get_privatekey(file_get_contents($payConfig->pay->wx->mchKey));
 
         openssl_sign($body, $raw_sign, $mch_private_key, 'sha256WithRSAEncryption');
         return base64_encode($raw_sign);