rsaenh [beware: 27kB attachment]

Michael Jung mjung at
Mon Oct 25 11:20:24 CDT 2004


I've worked on an OpenSSL based implementation of rsaenh.dll in my spare time 
over the last three months. Although it is by no means complete, I feel that 
the coarse structure should be stable by now. The patch is appended to this 
mail as a gzipped tape archive. I'm aware that small patches are preferable, 
but I hope someone helps me to get this beast in: Please give me feedback on 
what remains to be done.

If you want to try the patch note the following:
- After you have applied the patch you have to run autoheader and autoconf.
Then cd dlls ; make_dlls ; cd .. ; configure. 
- After you have compiled and installed wine, you have to unregister rsabase 
and register rsaenh (regsvr32 /U rsabase ; regsvr32 rsaenh). rsaenh.dll is 
meant to replace rsabase.dll sometime (Windows XP also has rsaenh.dll only).
- This patch was tested with the attached regression tests and with some MSDN 
example code. No real application was tested until now.
- This code is not secure! The user's persistent private RSA signature and key 
exchange key pairs are stored in the registry in _plaintext_. Do not use this 
with your homebanking application ;)
- The code depends on CUR_BLOB_VERSION being defined in wincrypt.h. This is 
implemented in a distinct trivial patch, which I've submitted this morning 
and which will probably go into CVS tonight (that is if you live in 
germany ;)
- You ain't see a whole lot, if you don't have the openssl headers installed 
(libssl-dev on debian). The code will compile without, but you'll get a lot 
of FIXME's and some of the regression tests will fail.

Please excuse me for posting a 30kB message.

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