<?phpnamespace Common\Org;class RsaCrypt { const CERPATH ='../Application/Runtime/Data/server.cer'; //生成证书路径 const PFXPATH = '../Application/Runtime/Data/server.pfx'; //秘钥文件路径 const FILEDIR = '../Application/Runtime/Data/';  /**  * 生成公钥私钥  */  public static function generateCertKey()  {  $dn = array('countryName'=>'CN', 'stateOrProvinceName'=>'beijing', 'localityName'=>'beijing','organizationName'=>'clcw',    'organizationalUnitName'=>'clcw', 'commonName'=>'clcw', 'emailAddress'=>'service@clcw.com.cn');  $privkeypass = 'secret';  //私钥密码  $numberOfDays = 365;   //有效时长，单位为天  //生成证书  $privkey = openssl_pkey_new();  $csr = openssl_csr_new($dn, $privkey);  $sscert = openssl_csr_sign($csr, null, $privkey, $numberOfDays);  openssl_x509_export_to_file($sscert, self::CERPATH);  openssl_pkcs12_export_to_file($sscert, self::PFXPATH, $privkey, $privkeypass);  (file_exists(self::CERPATH)) or die('公钥的文件路径错误');  (file_exists(self::PFXPATH)) or die('密钥的文件路径错误');  }  public static function verifyData($originData, $decryptData)  {  $cer_key = file_get_contents(self::$cerpath);  $cer = openssl_x509_read($cer_key);  $res = openssl_verify($originData, $decryptData, $cer);  var_dump($res);  }  /**  * 生成公钥私钥文件  * @param $appName string 应用名称  */  public static function generateKey($appName='')  {  $result = ['status'=>0, 'msg'=>''];  if (!extension_loaded('openssl') ) {   $result['msg'] = 'php需要openssl支持';  }  //创建公钥  $res = openssl_pkey_new();//array('private_key_bits'=>512) 这一串参数不加，否则只能加密54个长度的字符串  //提取私钥  openssl_pkey_export($res, $privatekey);  //生成公钥  $public_key = openssl_pkey_get_details($res);  $publickey = $public_key['key'];  // $path = self::FILEDIR.$appName;  try{   // file_put_contents($path.'_public.pem', $publickey);   // file_put_contents($path.'_private.pem', $privatekey);   $result['status'] = 1;   $result['publickey'] = $publickey;   $result['privatekey'] = $privatekey;  }catch(\Exception $e) {   // throw new \Exception($e->getMessage());   $result['msg'] = $e->getMessage();  }  return $result;  }  /**  * 用私钥加密数据  * @param $data string 需要加密的字符串(最好不要超过200个字符)  * @param $appName string 应用名称  */  public static function privateEncrypt($data, $appName)  {  $result = ['status'=>0, 'msg'=>''];  $privatekey = C($appName.'.PRIVATE_KEY');  $myinfo = 'In '.__METHOD__.',privatekey:'.$privatekey."\n";  file_put_contents('/tmp/shiyf.log', $myinfo, FILE_APPEND);  //生成resource类型的密钥，如果密钥文件内容被破坏，openssl_pkey_get_private函数返回false  $privatekey = openssl_pkey_get_private($privatekey);  if (empty($privatekey)) {   $result['msg'] = '密钥不可用';  }  $encryptData = '';  //用私钥加密  if (openssl_private_encrypt($data, $encryptData, $privatekey)) {   $result['msg'] = base64_encode($encryptData);   $result['status'] = 1;  } else {   $result['msg'] = '加密失败！';  }  return $result;  }  /**  * 用公钥解密数据  * @param $data string 需要解密的字符串(最好不要超过200个字符)  * @param $appName string 应用名称  */  public static function publicDecrypt($data, $appName)  {  $result = ['status'=>0, 'msg'=>''];  $data = base64_decode($data);  $publickey = C($appName.'.PUBLIC_KEY');  //生成resource类型的公钥，如果公钥文件内容被破坏，openssl_pkey_get_public函数返回false  $publickey = openssl_pkey_get_public($publickey);  if (empty($publickey)) {   $result['msg'] = '公钥不可用';  }  //解密数据  $decryptData = '';  if (openssl_public_decrypt($data, $decryptData, $publickey)) {   $result['msg'] = $decryptData;   $result['status'] = 1;  } else {   $result['msg'] = '解密失败';  }  return $result;  }  /**  * 用公钥加密数据  * @param $data string 需要加密的字符串(最好不要超过200个字符)  * @param $appName string 应用名称  */  public static function publicEncrypt($data, $publickey)  {  $result = ['status'=>0, 'msg'=>''];  //生成resource类型的公钥，如果公钥文件内容被破坏，openssl_pkey_get_private函数返回false  $publickey = openssl_pkey_get_public($publickey);  if (empty($publickey)) {   $result['msg'] = '公钥不可用';  }  $encryptData = '';  //用私钥加密  if (openssl_public_encrypt($data, $encryptData, $publickey)) {   $result['msg'] = base64_encode($encryptData);   $result['status'] = 1;  } else {   $result['msg'] = '加密失败！';  }  return $result;  }  /**  * 用私钥加密数据  * @param $data string 需要解密的字符串(最好不要超过200个字符)  * @param $appName string 应用名称  */  public static function privateDecrypt($data, $appName)  {  $result = ['status'=>0, 'msg'=>''];  $data = base64_decode($data);  $privatekey = C($appName.'.PRIVATE_KEY');  //生成resource类型的私钥，如果私钥文件内容被破坏，openssl_pkey_get_public函数返回false  $privatekey = openssl_pkey_get_private($privatekey);  if (empty($privatekey)) {   $result['msg'] = '私钥不可用';  }  //解密数据  $decryptData = '';  if (openssl_private_decrypt($data, $decryptData, $privatekey)) {   $result['msg'] = $decryptData;   $result['status'] = 1;  } else {   $result['msg'] = '解密失败';  }  return $result;  }}