From: Mogens Melander Date: August 18 2007 9:23pm Subject: Re: Password storage List-Archive: http://lists.mysql.com/mysql/208627 Message-Id: <3916.90.184.17.152.1187472202.squirrel@mail.fumlersoft.dk> MIME-Version: 1.0 Content-Type: text/plain;charset=utf-8 Content-Transfer-Encoding: 8bit On Sat, August 18, 2007 20:17, Mike Aubury wrote: > But you can use it for passwords (ask Unix)... > > You can't decode what the original password was, but you can encode the > password they typed in and check the two hashes match - if they do - the > chances are that the original passwords match (the odds against are huge!) Well, i got the impression that OP wanted to retrieve the cleartext string, but i could be wrong. > On Saturday 18 August 2007 16:19, Mogens Melander wrote: > >> MD5() is not an encryption function. The MySQL manual states: >> -- Later Mogens Melander +45 40 85 71 38 +66 870 133 224 -- This message has been scanned for viruses and dangerous content by MailScanner, and is believed to be clean.