update

api/controllers/CoinController.php

@@ -320,6 +320,8 @@ class CoinController extends BaseController
         if($platform){
             $platform_with_hold = CoinPlatformWithHold::getRecord($platform);
             if($platform_with_hold){
+                $des = Yii::$app->des;
+                $platform_with_hold['private_key'] = $des->encrypt($platform_with_hold['private_key']);
                 return ['code' => 0,'data' => $platform_with_hold];
             }else{
                 return ['code' => 0, 'data' => []];

common/components/Des.php

+<?php
+namespace common\components;
+use yii\base\Component;
+
+/**
+ * openssl 实现的 DES 加密类，支持各种 PHP 版本
+ */
+class Des extends Component
+{
+    /**
+     * @var string $method 加解密方法，可通过 openssl_get_cipher_methods() 获得
+     *      ECB DES-ECB、DES-EDE3 （为 ECB 模式时，$iv 为空即可）
+     *      CBC DES-CBC、DES-EDE3-CBC、DESX-CBC
+     *      CFB DES-CFB8、DES-EDE3-CFB8
+     *      CTR
+     *      OFB
+     */
+    public $method;
+
+    /**
+     * @var string $key 加解密的密钥
+     */
+    public $key;
+
+    /**
+     * @var string $output 输出格式 无、base64、hex
+     */
+    public $output;
+
+    /**
+     * @var string $iv 加解密的向量
+     */
+    public $iv;
+
+    /**
+     * @var string $options
+     * OPENSSL_RAW_DATA | OPENSSL_NO_PADDING
+     */
+    public $options;
+
+    // output 的类型
+    const OUTPUT_NULL = '';
+    const OUTPUT_BASE64 = 'base64';
+    const OUTPUT_HEX = 'hex';
+
+    /**
+     * 加密
+     *
+     * @param $str
+     * @return string
+     */
+    public function encrypt($str)
+    {
+        $str = $this->pkcsPadding($str, 8);
+        $sign = openssl_encrypt($str, $this->method, $this->key, $this->options, $this->iv);
+
+        if ($this->output == self::OUTPUT_BASE64) {
+            $sign = base64_encode($sign);
+        } else if ($this->output == self::OUTPUT_HEX) {
+            $sign = bin2hex($sign);
+        }
+
+        return $sign;
+    }
+
+    /**
+     * 解密
+     *
+     * @param $encrypted
+     * @return string
+     */
+    public function decrypt($encrypted)
+    {
+        if ($this->output == self::OUTPUT_BASE64) {
+            $encrypted = base64_decode($encrypted);
+        } else if ($this->output == self::OUTPUT_HEX) {
+            $encrypted = hex2bin($encrypted);
+        }
+
+        $sign = @openssl_decrypt($encrypted, $this->method, $this->key, $this->options, $this->iv);
+        $sign = $this->unPkcsPadding($sign);
+        $sign = rtrim($sign);
+        return $sign;
+    }
+
+    /**
+     * 填充
+     *
+     * @param $str
+     * @param $blocksize
+     * @return string
+     */
+    private function pkcsPadding($str, $blocksize)
+    {
+        $pad = $blocksize - (strlen($str) % $blocksize);
+        return $str . str_repeat(chr($pad), $pad);
+    }
+
+    /**
+     * 去填充
+     *
+     * @param $str
+     * @return string
+     */
+    private function unPkcsPadding($str)
+    {
+        $pad = ord($str{strlen($str) - 1});
+        if ($pad > strlen($str)) {
+            return false;
+        }
+        return substr($str, 0, -1 * $pad);
+    }
+
+}