diff --git a/ufile-auth-server-php/Auth_Config.php b/ufile-auth-server-php/Auth_Config.php
new file mode 100644
index 0000000..a5347df
--- /dev/null
+++ b/ufile-auth-server-php/Auth_Config.php
@@ -0,0 +1,8 @@
+<?php
+	
+// bucket操作公钥,可以在UCloud控制台查到
+$UCLOUD_PUBLIC_KEY 	= '你的bucket操作公钥';
+// bucket操作私钥,可以在UCloud控制台查到
+$UCLOUD_PRIVATE_KEY = '你的bucket操作私钥';
+
+?>
\ No newline at end of file
diff --git a/ufile-auth-server-php/FileAddressSign.php b/ufile-auth-server-php/FileAddressSign.php
new file mode 100644
index 0000000..987c656
--- /dev/null
+++ b/ufile-auth-server-php/FileAddressSign.php
@@ -0,0 +1,23 @@
+<?php
+
+require_once("UCloud_Auth.php");
+require_once("Auth_Config.php");
+
+
+if ($_SERVER['REQUEST_METHOD'] == "GET") {
+    error_log("file address author : does not support 'HTTP-GET' method...", 3, "/tmp/php.log");
+    echo "file address author: does not support 'HTTP-GET' method...";
+}
+
+if ($_SERVER['REQUEST_METHOD'] == "POST") {
+    $param_obj = json_decode(file_get_contents('php://input'));
+    $method=$param_obj->method;
+    $bucket=$param_obj->bucket;
+    $key=$param_obj->key;
+    $expires=$param_obj->expires;
+
+    $auth=new UCloud_Auth($UCLOUD_PUBLIC_KEY, $UCLOUD_PRIVATE_KEY);
+    echo  $auth->signFileAddressRequest($method, $bucket, $key, $expires);
+}
+
+?>
\ No newline at end of file
diff --git a/ufile-auth-server-php/FileOperateSign.php b/ufile-auth-server-php/FileOperateSign.php
new file mode 100644
index 0000000..3e56f7f
--- /dev/null
+++ b/ufile-auth-server-php/FileOperateSign.php
@@ -0,0 +1,27 @@
+<?php
+
+require_once("UCloud_Auth.php");
+require_once("Auth_Config.php");
+
+
+
+if ($_SERVER['REQUEST_METHOD'] == "GET") {
+    error_log("server author : does not support 'HTTP-GET' method...", 3, "/tmp/php.log");
+    echo "does not support 'HTTP-GET' method...";
+}
+
+if ($_SERVER['REQUEST_METHOD'] == "POST") {
+    $param_obj = json_decode(file_get_contents('php://input'));
+    $method=$param_obj->method;
+    $bucket=$param_obj->bucket;
+    $key=$param_obj->key;
+    $content_md5=$param_obj->content_md5;
+    $content_type=$param_obj->content_type;
+    $date=$param_obj->date;
+    $put_policy=$param_obj->put_policy;
+
+    $auth=new UCloud_Auth($UCLOUD_PUBLIC_KEY, $UCLOUD_PRIVATE_KEY);
+    echo  $auth->signFileOperateRequest($method, $bucket, $key, $content_md5, $content_type, $date, $put_policy);
+}
+
+?>
\ No newline at end of file
diff --git a/ufile-auth-server-php/UCloud_Auth.php b/ufile-auth-server-php/UCloud_Auth.php
new file mode 100644
index 0000000..0ff8c28
--- /dev/null
+++ b/ufile-auth-server-php/UCloud_Auth.php
@@ -0,0 +1,86 @@
+<?php
+
+
+function CanonicalizedResource($bucket, $key)
+{
+    return "/" . $bucket . "/" . $key;
+}
+
+function CanonicalizedUCloudHeaders($headers)
+{
+
+    $keys = array();
+    foreach($headers as $header) {
+        $header = trim($header);
+        $arr = explode(':', $header);
+        if (count($arr) < 2) continue;
+        list($k, $v) = $arr;
+        $k = strtolower($k);
+        if (strncasecmp($k, "x-ucloud") === 0) {
+            $keys[] = $k;
+        }
+    }
+
+    $c = '';
+    sort($keys, SORT_STRING);
+    foreach($keys as $k) {
+        $c .= $k . ":" . trim($headers[$v], " ") . "\n";
+    }
+    return $c;
+}
+
+
+class UCloud_Auth{
+	public $publicToken;
+	public $privateToken;
+
+	public function __construct($publicToken,$privateToken)
+	{
+		$this->publicToken 	= $publicToken;
+		$this->privateToken = $privateToken;
+	}
+
+	public function signFileOpeate($data,$put_policy)
+	{
+		$sign = base64_encode(hash_hmac('sha1', $data, $this->privateToken, true));
+        $singStr = "UCloud " . $this->publicToken . ":" . $sign;
+
+        // 上传回调put_policy
+        if ($put_policy) {
+            $policystr = base64_encode(str_replace('"','\\"',json_encode($put_policy)));
+            $singStr = $singStr . ":" . $policystr;
+        }
+
+        return $singStr;
+	}
+
+	/*  文件操作签名 */
+	public function signFileOperateRequest($method, $bucket, $key, $content_md5, $content_type, $date, $put_policy)
+    {
+        $data = '';
+        $data .= strtoupper($method) . "\n";
+        $data .= $content_md5 . "\n";
+        $data .= $content_type . "\n";
+        $data .= $date . "\n";
+        $data .= CanonicalizedResource($bucket, $key);
+        error_log($data, 3, "/tmp/php.log");
+        return $this->signFileOpeate($data, $put_policy);
+    }
+
+    /* 获取私有‘bucket’下文件的 URL 签名 */
+    public function signFileAddressRequest($method,$bucket,$key,$expires)
+    {
+    	$data = '';
+    	$data .= strtoupper($method) . "\n";
+    	$data .= "\n";
+        $data .= "\n";
+        $data .= $expires . "\n";
+        $data .= CanonicalizedResource($bucket, $key);
+
+        $sign = base64_encode(hash_hmac('sha1', $data, $this->privateToken, true));
+        return $sign;
+    }
+
+}
+
+?>
\ No newline at end of file