Sorry, I understand now, tweak is bundled along the key.

Kelvin J wrote
> Thank you very much for your Threefish implementation.
> 
> However it doesn't work as I expected 

> .
> 
> I have encountered a problem with key size. Regarding specification: Key
> sizes are 256, 512 or 1024 bits (key size is equal to block size).
> 
> For example - your implementation of 1024bit version refuses 128B key and
> demands 144B (1152bit):
/
> struct Threefish1024_Info : public 
*
> FixedKeyLength<144>
*
> , public FixedBlockSize<128>, public FixedRounds<80>
/
> 
> So I'm little confused - don't know maybe I have missed something.





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