ETSI TR 155 919-2009 数字蜂窝通信系统(第2+阶段).GSM和ECSD的A5/3加密算法与GPRS的GEA3加密算法规范.第4号文件:设计和评估报告(版本8.0.0).3GPP TR 55.919(版本8.0.0,第8次发布)
Digital cellular telecommunications system (Phase 2+); Specification of the A5/3 encryption algorithms for GSM and ECSD, and the GEA3 encryption algorithm for GPRS; Document 4: Design and evaluation report V8.0.0; 3GPP TR 55.919 version 8.0.0 Release 8