In the last episode (Jan 29), John Kemp said:
> Hi all,
> I can't find a description of the algorithm used in the mySQL PASSWROD
> function. I understand it's a hashing algorithm of some kind, but I
> don't know which algorithm (and I suspect it's *not* MD5.)
The algorithm is in the sql/password.c file.
> Can anyone tell me what algorithm PASSWORD uses? The reason I ask is
> that we're trying to implement role-based security using our existing
> MySQL table of users, accessed via Java Servlet auth functions, which
> can read the User table through JDBC. BUT.... they don't know anything
> about PASSWORD-encrypted passwords, so I need to write something that
> hashes the password entered in the same way MySQL hashes a password (or
> abandon the use of servlet auth :-)
Just have mysql do it:
select (PASSWORD('thepassword') = password) from user where user='theuser';
will return 1 if 'theuser's password is 'thepassword', and 0 otherwise.