【摘要】 该文论述了计算机网络安全的概念及核心问题 ,对加密与解密技术进行了简要分析 ,介绍了当前国内外在这方面的研究动态更多还原

【Abstract】 This thesis states the concept and core problem of computer network security,analyses briefly encryption and deencryption technology,and introduces the research progress and goal domestic and abroad in this field.更多还原