SOAP messages travel from their originator to their ultimate destination, potentially by passing through a set of intermediaries along the message path.
SOAP 消息有可能经过沿消息路径分布的一组中介体从它们的初始发送者传送到最终目的地。
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In cryptography security, a method of applying additional security to a key utilizing the identities of both the originator, and also the ultimate recipient.