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Re:Improving Redis CRC performance by seiji on Monday December 22, 2014 @07:51PM (#8786230)
First CRC16 is in fact used as a "perfect hash function"

It must be implemented by all clients too, so it needs to be simple and readily available.

open to an attack by image by a malevolent attacker

That wasn't one of the design goals.

if you have a tolerance for faulty storage,

There's always the problem of storage corrupting only the checksum even if your data is okay, leaving you in a pretty pickle.

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