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Merge pull request #3520 from pngwjpgh/doc/chunk-seed 

Chunk seed is generated per /repository/
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TW 2018-01-10 07:26:26 +01:00 committed by GitHub
parent 34c4400979 1820e22c02
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docs/internals/data-structures.rst
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@ -596,9 +596,9 @@ can be used to tune the chunker parameters, the default is:
- HASH_WINDOW_SIZE = 4095 [B] (`0xFFF`) - HASH_WINDOW_SIZE = 4095 [B] (`0xFFF`)
The buzhash table is altered by XORing it with a seed randomly generated once The buzhash table is altered by XORing it with a seed randomly generated once
for the archive, and stored encrypted in the keyfile. This is to prevent chunk for the repository, and stored encrypted in the keyfile. This is to prevent
size based fingerprinting attacks on your encrypted repo contents (to guess chunk size based fingerprinting attacks on your encrypted repo contents (to
what files you have based on a specific set of chunk sizes). guess what files you have based on a specific set of chunk sizes).
For some more general usage hints see also ``--chunker-params``. For some more general usage hints see also ``--chunker-params``.