OpenSSH and OpenSSL snapshots

[Jeffrey Altman]

> From: Jeffrey Altman <jaltman at columbia.edu>
> 
> jaltman> The only way that this can be handled is to use macros to map from
> jaltman> the old api to the new functions.  I do not see any other way that
> jaltman> will allow the libdes.a to be mixed with libcrypto.a.  
> 
> I'm thinking you're right.  At the same time, I want to retain C type
> security as well as possible.  How about this: I could rename all the
> old functions to _old_des_* and then have cpp macros that map des_* to
> _old_des_*.  That would probably resolve all the issues.

Look at what we do in in kssl.c for mapping
the kerberos functions from krb5_ to kssl_krb5_ in the windows world.
That is exactly what you want to do in this case.

Rename the real functions in the library.  Then in the des.h header if
USE_OLD_DES is defined you 

  #define des_foo old_des_foo

and expose the prototypes for the old_des_foo function.



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