版本:5.0.12
大小:11.22 MB
环境:PC端
日期:2011- 3-2
标准的PDF加密与用来保护PDF格式的唯一拥有者和用户密码。不幸的是密码不停止传递到别人PDF文档别人。更糟的是,PDF格式密码可以很容易被删除的事实。例如所有者的密码可以被删除在几秒钟内甚至不知道密码。
Standard PDF Encryption with owner and user passwords used to be the only PDF protection. Unfortunately passwords do not stop somebody of passing the PDF document on to somebody else. Even worse is the fact that PDF passwords can be removed very easy. The owner password for example can be removed in a matter of seconds without even knowing the passwords.