文档存储在叶子级目录中，并且通过使用哈希算法，文件被均匀地分布在这些叶子目录中。

Documents are stored among the directories at the leaf level using a hashing algorithm to evenly distribute files among these leaf directories.

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这让浏览器能够接收和解压缩使用公共算法压缩后的文件。

This allows browsers to receive and decompress files compressed using the public algorithms.

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要数字签署大型文件，首先使用这些算法用一种安全的方式压缩(计算固定长度的哈希码)文件，然后再用私钥签署。

For digitally signing large files, the files are first compressed (the fixed-length hash is calculated) in a secure manner using these algorithms, and then signed with the private key.

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