first commit

lib/Security/Aes/AesEncryptor.php

@@ -0,0 +1,34 @@
+<?php
+
+namespace Yeepay\Yop\Sdk\Security\Aes;
+
+class AesEncryptor
+{
+
+    private static $AES_METHOD = 'aes-256-cbc';
+
+    private static $AES_IV;
+
+    public static function init()
+    {
+        $str = '';
+        for ($i = 0; $i < 16; $i++) {
+            $str .= chr(0);
+        }
+        self::$AES_IV = $str;
+    }
+
+    public static function encryptAndEncodeBase64($data, $key)
+    {
+        return base64_encode(openssl_encrypt($data, self::$AES_METHOD, $key, OPENSSL_RAW_DATA, self::$AES_IV));
+    }
+
+    public static function decodeBase64AndDecrypt($base64EncodedData, $key)
+    {
+        return openssl_decrypt(base64_decode($base64EncodedData), self::$AES_METHOD, $key, OPENSSL_RAW_DATA,
+            self::$AES_IV);
+    }
+
+}
+
+AesEncryptor::init();

lib/Security/DigestAlg.php

@@ -0,0 +1,12 @@
+<?php
+
+namespace Yeepay\Yop\Sdk\Security;
+
+abstract class DigestAlg
+{
+
+    const SHA256 = 'SHA256';
+
+    const SHA512 = 'SHA512';
+
+}

lib/Security/Encodes.php

@@ -0,0 +1,18 @@
+<?php
+
+namespace Yeepay\Yop\Sdk\Security;
+
+class Encodes
+{
+
+    public static function base64url_encode($data)
+    {
+        return rtrim(strtr(base64_encode($data), '+/', '-_'), '=');
+    }
+
+    public static function base64url_decode($data)
+    {
+        return base64_decode(str_pad(strtr($data, '-_', '+/'), strlen($data) % 4, '=', STR_PAD_RIGHT));
+    }
+
+}