[BitTorrent] BT2 & hash trees

John Hoffman theshadow at shambala.net
Thu Jul 22 14:28:57 EDT 2004


>>I considered recommending using THEX as the algorithm for BT2, but THEX 
>>is based on the Tiger hash, and on a low-iteration version of the hash 
>>    
>>
>
>Where does it say that?
>  
>

Read the spec, look at the implementation.

>>I did some tests and calculating hashes on such a fine-grained level 
>>does impose a significant amount of additional overhead, and since BT 
>>    
>>
>
>What kind of overhead?
>More (complex) code?
>More CPU?
>More RAM?
>More network?
>  
>

Significantly more CPU.


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