This paper introduce the data encrypt technology in EC, that is called the soul of EC safety such as digital digest, digital signature, digital certificate, digital time-stamp, digital encrypt arithmetic and so on.

• 本文从数据加密算法、字摘要、字签名、字时间戳及数字证书等几方面简要介绍了被称为电子商务安全技术灵魂的数据电子加密技术。