This thesis can be divided into two parts.The first part begins with some basic concepts of SSL related technologies such as cryptography, public key infrastructure (PKI) and so on.

• 本论文主要分成两部分，第一 部分介绍SSL相关支撑技术，如密码学技术、公钥基础设施PKI等，并 对SSL 协议规范和SSL的安全性进行了分析。