In view of this situation, the thesis design and implement a SoftwareCopyrightProtection system base on PKI.
鉴于这种情况，本文设计并实现了一个基于PKI的软件版权保护系统。
2
Copyright and trade secrets have historically been the primary protection mechanisms for software intellectual property, and they are still the best solutions.
版权和商业秘密在历史上一直是软件知识产权的主要保护机制，它们仍然是最好的解决方案。
3
In July, U.S. copyright Office ruled that bypassing a manufacturer's protection mechanisms to allow "handsets to execute software applications" no longer violates federal copyright law.