The key protect system which uses the certificate and private key stored on the CA Server to manage the symmetric encrypt keys proposed in this paper is more safe and flexible than other multilevel key protection structure.
因此,本文提出的利用实体的证书和保存在CA服务器上的私钥来管理对称加密密钥的保护机制,比其他同类多级密钥机制更加安全灵活。
参考来源 - 基于CA的数据库加密系统研究与设计·2,447,543篇论文数据，部分数据来源于NoteExpress
Use the key that was previously generated to encrypt the sensitive data within the SOAP message (symmetric encryption).
使用以前生成的密钥加密 SOAP 消息中的敏感数据（对称加密）。
To communicate a symmetric key and IV to a remote party, you would usually encrypt the symmetric key and IV using asymmetric encryption.
若要与远端的一方沟通对称金钥和IV，通常会使用非对称加密来加密对称金钥和IV。
XML encryption allows applications to encrypt part or all of an XML document using references to pre-agreed symmetric keys.
xml加密允许应用程序使用对预先约定的对称密钥的引用来加密部分或全部XML文档。
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