In the powerful and complex PKI, key life cycle management denotes the life cycle management functions associated with the creation, issuance, and subsequent cancellation of public/private key pairs and their associated certificates.

• 公钥基础设施PKI是个功能强大、结构复杂的系统，其中的密钥生命周期管理指的是与公私钥对以及相关证书的创建、颁发及取消的有关功能。