计算机科学 ›› 2019, Vol. 46 ›› Issue (6A): 571-576.
刘俊, 李泽昊, 苏国宇, 李婧雯
LIU Jun, LI Ze-hao, SU Guo-yu, LI Jing-wen
摘要: 采用保留格式加密技术加密航班信息、旅客信息、客票信息等民航信息系统数据,选取简单、有效的FF1算法和FF3算法以及更为灵活的混合格式加密算法IFX,采取高位偏移、变长格式、数值间接映射、以数据库的id号为随机因子等策略优化扩展算法功能。在保证信息安全性、完整性和真实性的同时,保留民航信息系统数据的内在格式,支持在不解密数据的条件下实现对数据的统计分析,降低数据泄露的风险。
中图分类号:
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