本文主要介绍了计算机信息的常规加密技术和公开密钥加密技术，并对两者的优缺点和应用环境作了比较。

This paper introduces the routine encryption of computer information and the publicity key encryption mainly, and compares the both and their environment.

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密码技术的飞速发展，特别是公开密钥密码体制的提出，为信息安全提供了最强有力的保护。

The cryptology, especially the public - key cryptology can offer the highest level of information security.

youdao

随着密码技术的飞速发展，特别是公开密钥密码体制的提出，为信息安全提供了最强有力的保护。

With the rapid progress of cryptology, especially the public-key cryptology can offer the most effective level of information security.

youdao

随着密码技术的飞速发展，特别是公开密钥密码体制的提出，为信息安全提供了最强有力的保护。

With the rapid progress of cryptology, especially the public-key cryptology can offer the most effective level of information security.

youdao