PSS scheme now in master

[Werner Koch]

Hi!

I fixed the leading zero problems in the OAEP and PSS code and merged
ueno-pss into master.  All the pkcs#1v2 tests do run fine.  If you want
to see them run "./pkcs1v2 --verbose".

Now with the latest changes, I also consider to fix pkcs#1 v1.5 padding:
The current code may remove leading zeroes in some cases and all
applications have the need to cope with that.  There is a little risk
that a change might break some applications but overall I think it is
better to do the padding properly; i.e. make sure to return leading
zeroes.


Salam-Shalom,

   Werner


-- 
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