I just googled '20 character hash' and found quite a few sites that talk about such an animal. Might be a good start.
> -----Original Message----- > From: jonese [mailto:[EMAIL PROTECTED] > Sent: Tuesday, April 11, 2006 2:56 PM > To: CF-Talk > Subject: Re: hash question > > right i know this and i have some ideas what data is being hashed but > i cannot figure out how to limit a hash to only 20 chars. most of the > hashing i've even done has been in md5 sha1 etc and this is obviously > not that. > > I know this is a long shot but i was hoping that the 20 char limit > might ring a bell to someone. > > jonese > > On 4/11/06, Dave Watts <[EMAIL PROTECTED]> wrote: > > > I'm trying to reverse engineer a hash ... > > > > The whole point of a hash algorithm is that it should not > be susceptible to > > reverse-engineering. That is, given a hash, you should > never be able to > > derive the original value from which the hash was created. > If this is in > > fact the case, the only way to determine the value from > which a hash was > > created is to hash a set of values using the same > algorithm, and see if any > > of those hashes match your hash. This transmission may contain information that is privileged, confidential and/or exempt from disclosure under applicable law. If you are not the intended recipient, you are hereby notified that any disclosure, copying, distribution, or use of the information contained herein (including any reliance thereon) is STRICTLY PROHIBITED. If you received this transmission in error, please immediately contact the sender and destroy the material in its entirety, whether in electronic or hard copy format. Thank you. A1. ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~| Message: http://www.houseoffusion.com/lists.cfm/link=i:4:237474 Archives: http://www.houseoffusion.com/cf_lists/threads.cfm/4 Subscription: http://www.houseoffusion.com/lists.cfm/link=s:4 Unsubscribe: http://www.houseoffusion.com/cf_lists/unsubscribe.cfm?user=11502.10531.4 Donations & Support: http://www.houseoffusion.com/tiny.cfm/54
