On 02/02/2019 13:31, Hendrik Boom wrote:
On 2/1/19 5:36 AM, Wm via gnucash-devel wrote:
[2] as long as the transaction stream balances the actual numbers
don't matter (their will be occasions where the numbers are important
but these tend to be number extremes related to commodities rather
than anyone using gnc to do a Mr Putin vs Mr Trump sports bet).? In
most cases multiplying any matching numbers by the same semi-random
should produce a good file for examination so long as it is done
consistently [4]
If the numbers in the file are integers times some account or
currency-dependent unit, then just clculationg the greatest common
divisor of all the obfuscated numbers will give a good guess as to the
semirandom multiplier.
My test script includes randomness introduced by the user. Could the
numbers be worked backwards? Possibly, maybe probably from a purely
numeric POV. Will the remote person, having done the work, know what
each of the numbers mean? Nope. That is the point I am suggesting we
go for, a numerically sensible file that makes no sense to anyone else
financially.
Will there be times this won't work? Of course, in which case we revert
to the existing system of having to trust someone with your live data.
All I am offering to do is reduce the number of times someone has to
trust someone. If the community decides this isn't worth the effort so
be it, but I think we should at least think it through.
So, Hendrik, I acknowledge your point but don't think it is significant.
--
Wm
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