On 11/24/09 11:08 AM, "Roland Dumas" <radu...@mac.com> wrote in whole or in part:
> > How does one insert a field into a database - mysql - so that it ends up > encrypted? > Needless to say, the field must be unencryptable in order to compare it to > submissions, as in a password, or unencryptable for export, as in a cc number. > > How does this work? Typically, the data is hashed before INSERT. Then the data to "compare" is also hashed and the two are compared. You don't need to "un-hash" the stored information before comparison. <http://en.wikipedia.org/wiki/Cryptographic_hash_function> Beverly Voth ________________________________________________________________________ TO UNSUBSCRIBE: Go to http://www.witango.com/developer/maillist.taf
