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| -rw-r--r-- | docs/advanced/hashing.rst | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/docs/advanced/hashing.rst b/docs/advanced/hashing.rst new file mode 100644 index 0000000..90da3db --- /dev/null +++ b/docs/advanced/hashing.rst @@ -0,0 +1,15 @@ +Hashing +======= + +**hircine** uses the `BLAKE3 cryptographic hash function +<https://github.com/BLAKE3-team/BLAKE3>`_ to compute hashes of archives and all +its contained files. + +Whilst the latter files are hashed directly (i.e. their data is passed directly +to the hash function), the *ZIP* archives are not. Instead, **hircine** +calculates the hash of an archive by concatenating the hashes of *all* files +within it in archive order. + +This means that changes to the archive files themselves will invalidate an +archive's hash, but changes to *ZIP* compression levels or other basic metadata +will not. |