I believe the arguments to shift are promoted separately, so this code
is still undefined when key[pos]>127.

John


> If I'm reading 5p10 correctly, this should help (and is consistently
> expressing intent):
>
> kappa[i] =
> (key[pos ] << 24u) ^
> (key[pos + 1] << 16u) ^
> (key[pos + 2] << 8u) ^
> (key[pos + 3] );
>
> Jens
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