It then saves the XML-encrypted file to disk, as well as the key used for encryption.

然后它将xml加密的文件以及用于加密的密钥保存到磁盘。

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The only way to guarantee that the public key signature is from the owner is for the owner to hand you the key on a disk, in person.

保证公共密钥签名来自所有者的惟一方法是，密钥的所有者亲自把磁盘上的密钥交给您。

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The key to this optimization is that by delaying the allocation of physical blocks until they need to be written to the disk, more blocks are present to allocate and write in contiguous blocks.

这种优化的关键是延迟物理块的分配，直到需要在磁盘上写这些物理块时才对其进行分配并写到相邻的块。

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