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mention SKEIN*E variants

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Joey Hess 2014-07-16 13:31:01 -04:00
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@ -5,8 +5,8 @@ to retrieve the file's content (its value).
Multiple pluggable key-value backends are supported, and a single repository Multiple pluggable key-value backends are supported, and a single repository
can use different ones for different files. can use different ones for different files.
* `SHA256E` -- The default backend for new files, combines a SHA256 hash of * `SHA256E` -- The default backend for new files, combines a 256 bit SHA-2
the file's content with the file's extension. This allows hash of the file's content with the file's extension. This allows
verifying that the file content is right, and can avoid duplicates of verifying that the file content is right, and can avoid duplicates of
files with the same content. Its need to generate checksums files with the same content. Its need to generate checksums
can make it slower for large files. can make it slower for large files.
@ -16,12 +16,13 @@ can use different ones for different files.
the same basename, size, and modification time has the same content. the same basename, size, and modification time has the same content.
This is the least expensive backend, recommended for really large This is the least expensive backend, recommended for really large
files or slow systems. files or slow systems.
* `SHA512`, `SHA512E` -- Best currently available hash, for the very paranoid. * `SHA512`, `SHA512E` -- Best SHA-2 hash, for the very paranoid.
* `SHA1`, `SHA1E` -- Smaller hash than `SHA256` for those who want a checksum * `SHA1`, `SHA1E` -- Smaller hash than `SHA256` for those who want a checksum
but are not concerned about security. but are not concerned about security.
* `SHA384`, `SHA384E`, `SHA224`, `SHA224E` -- Hashes for people who like * `SHA384`, `SHA384E`, `SHA224`, `SHA224E` -- Hashes for people who like
unusual sizes. unusual sizes.
* `SKEIN512`, `SKEIN256` -- [Skein hash](http://en.wikipedia.org/wiki/Skein_hash), * `SKEIN512`, `SKEIN512E`, `SKEIN256`, `SKEIN256E`
-- [Skein hash](http://en.wikipedia.org/wiki/Skein_hash),
a well-regarded SHA3 hash competition finalist. a well-regarded SHA3 hash competition finalist.
The `annex.backends` git-config setting can be used to list the backends The `annex.backends` git-config setting can be used to list the backends