The first one introduces the background of nuclear weapons control and the Internet transmission security, the characteristic of PGP, SET, S/MIME, Kerberos, IPSec and the comparison between SSL and the above mentioned protocols.

• 论文介绍了核查背景和Internet传输安全现状，通过对PGP、SET、S/MIME、Kerberos、IPSec几大安全协议的对比分析，选用SSL(Secure Socket Layer)作为链式监护数据传输的安全协议。