[dundee] Requirements cryptographic hash functions

[Axel]

Hey Gordon,

you are a good believer :-) That's the term on which I can't remember.

Great!
Axel

Quoting gordon dunlop <zubenel at fedoraproject.org>:

> On 1 February 2010 22:03, Axel <newsletter at axelbor.de> wrote:
>
>> Hey guys,
>>
>> I believe to remember at the following requirement for a crypto hash
>> function:
>>
>> "By changing one input bit more than 50% of the output bits must changed."
>>
>>   I believe this is called "The Avalanche Effect"
>
>
>> I can't find anything to verify this. Know everyone more or had a
>> source which verify this statement.
>>
>>   Maybe this site can help you
>
>  http://unixwiz.net/techtips/iguide-crypto-hashes.html
>
> Gordon
>
> Axel
>>
>>
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>