Fatal error: Uncaught think\exception\ErrorException: openssl_encrypt(): Using an empty Initialization Vector (iv) is potentially insecure and not recommended in /www/wwwroot/Lonow/mini/tools/Des.php:82 Stack trace: #0 [internal function]: think\Error::appError(2, 'openssl_encrypt...', '/www/wwwroot/Lo...', 82, Array) #1 /www/wwwroot/Lonow/mini/tools/Des.php(82): openssl_encrypt('{"errno":"10001...', 'DES-CBC', '', 3, '') #2 /www/wwwroot/Lonow/mini/exception/Handle.php(86): app\tools\Des->encrypt('{"errno":"10001...') #3 /www/wwwroot/Lonow/thinkphp/library/think/Error.php(56): app\exception\Handle->render(Object(think\exception\RouteNotFoundException)) #4 [internal function]: think\Error::appException(Object(think\exception\RouteNotFoundException)) #5 {main} thrown in /www/wwwroot/Lonow/mini/tools/Des.php on line 82

Fatal error: Uncaught think\exception\ErrorException: openssl_encrypt(): Using an empty Initialization Vector (iv) is potentially insecure and not recommended in /www/wwwroot/Lonow/mini/tools/Des.php:82 Stack trace: #0 [internal function]: think\Error::appError(2, 'openssl_encrypt...', '/www/wwwroot/Lo...', 82, Array) #1 /www/wwwroot/Lonow/mini/tools/Des.php(82): openssl_encrypt('{"errno":100001...', 'DES-CBC', '', 3, '') #2 /www/wwwroot/Lonow/mini/exception/Handle.php(101): app\tools\Des->encrypt('{"errno":100001...') #3 /www/wwwroot/Lonow/thinkphp/library/think/Error.php(56): app\exception\Handle->render(Object(think\exception\ErrorException)) #4 /www/wwwroot/Lonow/thinkphp/library/think/Error.php(90): think\Error::appException(Object(think\exception\ErrorException)) #5 [internal function]: think\Error::appShutdown() #6 {main} thrown in /www/wwwroot/Lonow/mini/tools/Des.php on line 82