Horton

Re: MD5 different standards?

Joe Conway <mail@joeconway.com>

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From: Joe Conway <mail@joeconway.com>
To: "M. Bastin" <marcbastin@mindspring.com>
Cc: Tom Lane <tgl@sss.pgh.pa.us>, pgsql-novice <pgsql-novice@postgresql.org>
Date: 2003-05-29T17:30:53Z
Lists: pgsql-novice 
M. Bastin wrote:
> Are there different MD5 standards?
> 
> The rfc (http://www.faqs.org/rfcs/rfc1321.html) says:
> 
> The algorithm takes as input a message of arbitrary length and produces 
> as output a 128-bit [= 16 bytes] "fingerprint" or "message digest" of 
> the input.
> 
> My IDE's MD5 function produces 16 bytes.  Yet for pgsql MD5 should 
> produce 32 bytes.

16 binary bytes == 32 bytes in hex

You need to convert IDE's MD5 function output to hex.

Joe