[Haskell-cafe] Digests

Permjacov Evgeniy permeakra at gmail.com
Thu Dec 2 22:17:14 CET 2010

The data integrity checks is well-known problem. A common soluting is
use of 'checksums'. Most of them , however, are built in quite
obfuscated manner (like md5) that results in ugly and error-prone
implementations (see reference implementation for same md5).

So, the question is: is there a checksum, that is easy to implement over
stream of bytes and may work as good checksum and is good in sence that
creation of messages with same checksum that given message has is very
hard problem (at least 2^128 tries) ?

The reason is that I wish a good checksum to be implemented im my
stream-oriented library.

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