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56 commits

Author SHA1 Message Date
Eelco Dolstra d58a11e019 * Shorten SHA-256 hashes used in store path name generation to 160
bits, then encode them in a radix-32 representation (using digits
  and letters except e, o, u, and t).  This produces store paths like
  /nix/store/4i0zb0z7f88mwghjirkz702a71dcfivn-aterm-2.3.1.  The nice
  thing about this is that the hash part of the file name is still 32
  characters, as before with MD5.

  (Of course, shortening SHA-256 to 160 bits makes it no better than
  SHA-160 in theory, but hopefully it's a bit more resistant to
  attacks; it's certainly a lot slower.)
2005-01-14 16:04:03 +00:00
Eelco Dolstra 9530cc3170 * Start move towards SHA-256 hashes instead of MD5.
* Start cleaning up unique store path generation (they weren't always
  unique; in particular the suffix ("-aterm-2.2", "-builder.sh") was
  not part of the hash, therefore changes to the suffix would cause
  multiple store objects with the same hash).
2005-01-14 13:51:38 +00:00
Eelco Dolstra 63791eb05b * Add SHA-256.
* Tests for the various hashes.
2005-01-14 12:03:04 +00:00
Eelco Dolstra 7e8961f720 * Added SHA-1 support. nix-hash' now has an option --type sha1' to
select SHA-1 hashing.
2005-01-13 17:39:26 +00:00
Eelco Dolstra 73992371a3 * Refactoring to support SHA-1. 2005-01-13 15:44:44 +00:00
Eelco Dolstra 8798fae304 * Source tree refactoring. 2003-11-18 10:47:59 +00:00
Renamed from src/libnix/hash.cc (Browse further)