[TriLUG] MD5 silly question

[David Rasch]

Md5's don't use salting, and all md5's should be "the same" as they're
defined by an RFC, but I wonder if the difference lies in java using
unicode characters, while php uses 8-bit representations.  

David

On Thu, Jul 08, 2004 at 10:43:31AM -0400, Brian Henning <brian at strutmasters.com> wrote:
> Hi y'all,
>   I'll readily admit that MD5 is quite FM to me yet, but this particular
> thing struck me as odd...  I have a php script which uses the php md5(...)
> function, and a Java app that uses the MD5 functionality of the
> java.security.MessageDigest class.  When I create a hash (of a password
> string, in this case) using the php script and compare it to the hash of the
> same string created by the Java app, they're not the same.  I always sort of
> thought a hash was a hash, and as long as the input was the same, the output
> would be the same...  Would someone mind giving me just a brief explanation
> (I'm not asking for anything in-depth here) of why two different MD5
> programs (for lack of a better word) would generate different hashes for the
> same input?  Could it be something like salting?
> 
> Thanks!
> ~Brian
> 
> ----------------
> Brian A. Henning
> Strutmasters.com
> 866.597.2397
> ----------------
> 
> 
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