[openssl-users] FIPS methods and symlinks

[jonetsu at teksavvy.com]

On Tue, 24 Feb 2015 16:16:17 +0000
"Dr. Stephen Henson" <steve at openssl.org> wrote:

> On Tue, Feb 24, 2015, jonetsu wrote:

> > Hello,
> > 
> >   To grasp how FIPS methods are called, and following one method
> > as an example, HMAC_Update() in hmac.c, we can see that if FIPS
> > mode is active then FIPS_hmac_update() will be called.  This is
> > fine although searching the sources for the physical definiton of
> > FIPS_hmac_update() does not yield any results.  How does the
> > symbolic links function, what ends up being executed in this case
> > and through which path ?
> 
> Function names get changed through fips/fipssyms.h in the FIPS module
> source.

Yes, for instance there is:

#define HMAC_Update FIPS_hmac_update

My question is about not having found FIPS_hmac_update.  If it is
called, then where is it ?  May sound like a simple question, although
grep did not return any actual method.