Michael Thomas wrote in
 <cb5c40a9-cf36-4761-a982-c4d390d5b...@mtcc.com>:
 ...
 |> I mean, it is provably more efficient to avoid doing unnecessary 
 |> hashes, but I don't think in this context that the win is significant 
 |> even at a large operator.  My own open source implementation provides 
 |> no provision at all for reusing a body hash across many signatures, 
 |> and nobody ever identified it as something that was sorely needed.
 |>
 |Yeah, I think the right thing to do here is to just drop the line of 
 |reasoning about efficiency altogether. Operators are going to implement 
 |this or not and the potential minuscule additional overhead is not going 
 |to be a deciding factor, imo.

Yah, my DKIM signer sorts and reuses the body hash for all
compatible algorithms.  (..and hoping adding another one is only
a one line change.)

But it is the time again to say Good night! from Germany.
Greetings from the second world,

--steffen
|
|Der Kragenbaer,                The moon bear,
|der holt sich munter           he cheerfully and one by one
|einen nach dem anderen runter  wa.ks himself off
|(By Robert Gernhardt)

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