On Thu, May 30, 2024 at 3:30 AM Alessandro Vesely <ves...@tana.it> wrote:

> z= is a valuable tool for debugging and learning why signatures fail.  For
> reversing purposes, instead, Original-* fields are preferable as they can
> be
> individually added and possibly signed also by different operators.
> Reversal
> must not blindly replace altered fields so as to force verification.  It
> should
> check whether the applied changes meet per-field acceptance criteria.
>

I don't understand your "preferable" claim given that an Original-* field
is subject to mutation just as any other field is.  It's just as fragile as
any other solution.  At least with "z=", you're far more likely to get back
an actual original.

-MSK
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