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CA认证系统是PKI的核心组成部分,它负责为PKI中的实体颁发公钥证书。公钥证书是将实体的身份和公开密钥绑定在一起的一种数据结构,数字证书是整个PKI的核心技术,管理证书的证书系统就成为PKI的核心部分。
The CA certification system is a core component of the PKI and is responsible for issuing public key certificates for entities in the PKI. Public key certificate is a kind of data structure that binds the entity’s identity and the public key together. Digital certificate is the core technology of the whole PKI, and the certificate system that manages the certificate becomes the core part of PKI.