本书以加密与解密为切入点，讲述了软件安全领域许多基础知识和技能，如调试技能、逆向分析、加密保护、外壳开发、虚拟机设计等。-Book as an entry point to the encryption and decryption, about many of the basic knowledge and skills for the field of software security, such as debugging skills, reverse analysis, encryption protection, housing development, virtual machine design.