针对招行的补丁处理

lpilp · Sep 23, 2022 · 3af1566 · 3af1566
1 parent 0dfd45a
commit 3af1566
Showing 1 changed file with 13 additions and 9 deletions.
diff --git a/src/util/FormatSign.php b/src/util/FormatSign.php
@@ -26,10 +26,10 @@ public function run($sign)
  */
  public function format_cmbc($sign){
  list($binR, $binS) = $this->_decode_rs(base64_decode($sign));
- if(strlen($binR)<32){
+ while(strlen($binR)<32){
  $binR = chr(0).$binR;
  }
- if(strlen($binS)<32){
+ while(strlen($binS)<32){
  $binS = chr(0).$binS;
  }
  $lenR = strlen($binR);
@@ -39,14 +39,18 @@ public function format_cmbc($sign){
  }
  private function _trim_int_pad($binStr)
  {
- if (ord($binStr[0]) > 0) {
- return $binStr;
- } else {
- if (ord($binStr[1]) <= 127) {
- return substr($binStr, 1);
- }
- return $binStr;
+ // echo bin2hex($binStr)."\n";
+ //trim 0
+ while(ord($binStr[0])==0){
+ $binStr = substr($binStr,1);
  }
+ // add 0 if necessary
+ if(ord($binStr[0])>127){
+ $binStr = chr(0).$binStr;
+ }
+ // echo bin2hex($binStr)."\n";
+ return $binStr;
+
  }
  private function _decode_rs($binSign)
  {