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。
The encryption algorithm list box lets you choose the symmetric algorithm to be used to encrypt the service data object contained within the SOAP message's body.
在加密算法列表框中可以选择对称算法，使用该算法可以加密SOAP消息正文中包含的服务数据对象。
One disadvantage of asymmetric keys is that they take much longer to encrypt a message than do symmetric keys, and the encryption time is directly proportional to the size of the message.
非对称密钥的一个缺点是加密消息要比对称密钥花费更长的时间，而且加密时间直接与消息的长短成正比。
From the master secret, the client and server create the session keys, symmetric keys within the bounds of the chosen symmetric cipher used to encrypt the session's data.
从mastersecret中，客户机和服务器可以创建sessionkeys(会话密钥)，这是选择用来对会话数据进行加密所使用的对称密码中的对称密钥。
Firstly, do not encrypt the password locally because that means your application has to also decrypt it, hence it will hold the symmetric key in memory and make it vulnerable.
首先，不要加密密码局部因为意味着你的应用程序也将其解密，因此它将保存在内存中的对称密钥，使其易受攻击。
Firstly, do not encrypt the password locally because that means your application has to also decrypt it, hence it will hold the symmetric key in memory and make it vulnerable.
首先，不要加密密码局部因为意味着你的应用程序也将其解密，因此它将保存在内存中的对称密钥，使其易受攻击。
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