获取校验和算法标识符，如果没有校验和，则返回全为零的GUID。

Gets the checksum algorithm identifier, or returns a GUID of all zeros if there is no checksum.

youdao

最后一条配置命令下发15分钟后，如果没有校验配置，就上报配置没有校验的警告。

Not-verifying warn should be submitted if there are no verification of configuration 15 minutes after last configured command is delivered downwards.

youdao

当然，还需要校验哪个资源是您识别出来的那个资源(比如您的收件人地址之一)，那个戳记还没有被使用过，日期是当前日期。

Of course, it is also worth checking that the resource is one you recognize (like one of your recipient addresses), that the stamp was not spent before, and that the date is current.

youdao