Public Key Infrastructure (PKI) utilizes the asymmetrical cryptography technology to lay the security foundation for the electronic commerce, the electronic government and the electronic business.

公开密钥基础设施PKI是一种利用非对称密码技术为电子商务、电子政务和电子事务的开展提供一整套安全保护的基础平台。

youdao

Based on the ideas of public key cryptography, a new scrambling technology of digital image based on primitive roots is given.

以密码学中的公钥思想为基础，提出了一种基于原根的数字图像置乱技术。

youdao

In this paper, the principles of digital signature is given, Meanwhile the key technology of digital signature: public key cryptography and Hash algorithms is introduced.

文章阐述了数字签名技术原理，并介绍了数字签名中的关键技术：公钥加密体制和哈希算法。

youdao