First commit

app/Common/Rsa2.php

@@ -0,0 +1,26 @@
+<?php
+namespace app\Common;
+class Rsa2
+{
+    private $private_key;
+    private $public_key;
+    private $config = array(
+                "digest_alg" => "sha512",
+                "private_key_bits" =>2048,
+                "private_key_type" => OPENSSL_KEYTYPE_RSA
+            );
+            
+    function __construct(){
+        $res = openssl_pkey_new($this->config);
+        //生成私钥
+        openssl_pkey_export($res, $this->private_key, null, $this->config);
+        //生成公钥
+        $this->public_key = openssl_pkey_get_details($res)['key'];
+    }
+    public function getKeys() {
+        $result = [];
+        if(!empty($this->private_key)) $result['private_key'] =$this->private_key;
+        if(!empty($this->public_key)) $result['public_key'] =$this->public_key;
+        return $result;
+    }
+}