[AccessD] OT(kinda): Crack Code

Mark A Matte markamatte at hotmail.com
Thu Mar 22 15:26:17 CDT 2007


This Email keeps getting kicked back for length...So I apologize if some of 
my replies did not make it through...I've deleted some of the email length.

>http://www.csgnetwork.com/base2baseconv.html
Cool tool but I didn't have another base to compare it to.

I've built a form to do the calcs...it matches up to the system great.  
Apparently it was a 36 base system...but moved (shifted) over to 
spaces...and the last 2 characters were incase more than 1 transaction 
occured in a single Second.  The only thing I've noticed is thatsome 
dates...haven't isolated them yet...but are off by 1 hour with my tool...but 
correct the rest of the time.

Any ideas?

Again, thanks for everyones help.

Mark A. Matte


>Date: Thu, 22 Mar 2007 12:44:08 -0700
>
>Here is a little online base converter:
>http://www.csgnetwork.com/base2baseconv.html
>
>Jim
>

>Subject: Re: [AccessD] OT(kinda): Crack Code
>
>Rocky,
>
>I've actually made some progress.  Last year I learned how to do Mayan Math
>and applied the logic as a counting system not 10 or 20 base...but 36...and
>after learning that this thing is counting seconds since 1/1/70 
>00:00:00...I
>
>assigned values to the numbers and letters. and started running some tests.
>0=0,1=1,2=2...9=9,A=10,B=11...Z=35.
>
>This makes it a 36 base counting system...so you take the value of each
>position...calculate and add like below:
>
>1st  ???
>2nd  ???
>3rd  Value*60466176
>4th  Value*1679616
>5th  Value*46656
>6th  Value*1296
>7th  Value*36
>8th  Value
>
>So if you had 00bfk5t2...you math would be Value of third position
>('B'11*60466176) added to each position calculated...so:
>0's are 0...('B'11*60466176)
>+('F'15*1679616)+('K'20*46656)+('5'5*1296)+('T'29*36)+('2'2)
>
>Beginning of time for this count is 12/31/69 04:00:00 PM...if you do the
>calcs above you get 691262822...if you add this many seconds to the
>beginning time you get 11/27/91 9:27:02 AM...
>
>Which validates in the system.  The guy I talked to that help create it 
>over
>
>12 years ago...said he remembered something about haveing to 'shift a bit 
>or
>
>2'...but I didn't get much more from him...he just didn't remember the
>specifics.  The 1st and 2nd positions I am having issues with...if I try to
>calculate it out...I get crazy results...and also in the validation
>tool...with the above example it validated...but if I added a
>letter(00bfk5t2 changed to 0bbfk5t2)...just added value in second
>position...it would not accept it as valid???  This is probably what he was
>talking about"Shifting a bit or 2".
>
>Anyway...any thoughts?
>
>What info would your cousin need?
>
>Thanks,
>
>Mark A. Matte
>

> >solving'"<accessd at databaseadvisors.com>
> >Subject: Re: [AccessD] OT(kinda): Crack Code
> >Date: Thu, 22 Mar 2007 09:56:20 -0700
> >
> >If it takes less than about 6 minutes...:)
> >
> >I was going to send it to my cousin - a retired math prof.  He likes that
> >sort of thing
> >
> >Rocky
> >

> >
> >The date is stored in the table...but not the time.  If you want a
> >date/time...I have to plug the OBJID into the FE and it converts it for 
>me.
> >
> >I can extract the date and the OBJID...but you can have up to 86400
> >different OBJIDs for 1 date.  I can try to get about 100 if you like.
> >
> >Mark
> >
> >
> > >From: "Rocky Smolin at Beach Access Software" <rockysmolin at bchacc.com>
> > >Reply-To: Access Developers discussion and problem
> > >solving<accessd at databaseadvisors.com>
> > >To: "'Access Developers discussion and problem
> > >solving'"<accessd at databaseadvisors.com>
> > >Subject: Re: [AccessD] OT(kinda): Crack Code
> > >Date: Wed, 21 Mar 2007 15:50:57 -0700
> > >
> > >Oh.  You can't extract them from the file?
> > >
> > >Rocky
> > >

> > >
> > >lol...If you want to try just to do it...I will put something
> > >together...I have to go to a Win95 machine and enter 1 OBJID at a
> > >time...and write it down the DT.  I probably have around 10
> > >million...I'll see if I can get a 100.
> > >
> > >
> > > >From: "Rocky Smolin at Beach Access Software"
> > > ><rockysmolin at bchacc.com>
> > > >Reply-To: Access Developers discussion and problem
> > > >solving<accessd at databaseadvisors.com>
> > > >To: "'Access Developers discussion and problem
> > > >solving'"<accessd at databaseadvisors.com>
> > > >Subject: Re: [AccessD] OT(kinda): Crack Code
> > > >Date: Wed, 21 Mar 2007 13:57:21 -0700
> > > >
> > > >Mark:
> > > >
> > > >Can you post maybe 100 or so to give us a little more sample to go 
>on?
> > > >
> > > >Or send a spreadsheet to those of us who like these things with all
> > > >of the OBJIDs and dates (how many are there?)?
> > > >
> > > >Rocky
> > > >

> > > >
> > > >This thing reminds me of the crypto toy at the end of the Davinci
> > > >Code(8 little wheels with letters and numbers).
> > > >
> > > >I think the sequence is jumbled as well.  In trying to solve I
> > > >started dissecting a looking at individual characters.  I looked at
> > > >the 8th(last
> > > >character) for frequency.  The distribution didn't make much
> > > >sense(listed below).  So I looked at the least, "C" to try and
> > > >isolate a pattern...and found it was only the last char on 9/12/2001
> > > >and 9/19/2001...and not for all of the records.  I might pass it on
> > > >to the University...but I'll probably just let it die...like it
> > > >should have a long time ago.  The only reason they are still using it
> > > >is that no one understood the relationships of the tables.  After I
> > > >discovered that the fields OBJID in the different tables were not
> > > >necessarily related...and that the 1 table with 2 keys in it...was
> > > >actually related to itself 3 or more times...we made leaps and
> > > >bounds...for the first time they could say definitively that they 
>were
> >missing records.
> > > >
> > > >Any way...thanks again everyone.
> > > >
> > > >Mar A. Matte
> > > >
> > > >
> > > >LastChar	Count
> > > >1	151767
> > > >2	114816
> > > >3	88366
> > > >4	63108
> > > >5	33900
> > > >6	24099
> > > >7	14439
> > > >8	8886
> > > >9	5427
> > > >A	1743
> > > >B	634
> > > >C	115
> > > >

> > > > >
> > > > >Mark,
> > > > >
> > > > >Perhaps you could contact the math department at a nearby 
>university.
> > > > >They may want to take a whack at this, or they may know someone who
> > > > >would think that solving this kind of puzzle is great fun!
> > > > >
> > > > >Dan Waters
> > > > >
> > > > >-----Original Message-----
> > > > >From: accessd-bounces at databaseadvisors.com
> > > > >[mailto:accessd-bounces at databaseadvisors.com] On Behalf Of Mark A
> > > > >Matte
> > > > >Sent: Wednesday, March 21, 2007 1:36 PM
> > > > >To: accessd at databaseadvisors.com
> > > > >Subject: Re: [AccessD] OT(kinda): Crack Code
> > > > >
> > > > >I have found also that if I sort on the key...the corresponding
> > > > >times are also sorted correctly.
> > > > >
> > > > >
> > > > > >From: "Billy Pang" <tuxedoman888 at gmail.com>
> > > > > >Reply-To: Access Developers discussion and problem
> > > > > >solving<accessd at databaseadvisors.com>
> > > > > >To: "Access Developers discussion and problem
> > > > > >solving"<accessd at databaseadvisors.com>
> > > > > >Subject: Re: [AccessD] OT(kinda): Crack Code
> > > > > >Date: Wed, 21 Mar 2007 11:32:45 -0700
> > > > > >
> > > > > >good gravy those alphanumeric codes are indeed alphanumeric... I
> > > > > >thought maybe it was md5 hashed so you can do lookups to
> > > > > >determine original value but if there is a tool to reverse value
> > > > > >back to datetime maybe it is not
> > > > >a
> > > > > >hashed string.
> > > > > >
> > > > > >
> > > > > >On 3/21/07, Mark A Matte <markamatte at hotmail.com> wrote:
> > > > > > >
> > > > > > > The reason I need to convert back...is that I have about 40K
> > > > > > > orphaned records.  There is no date or time stamp in this 
>table.
> > > > > > > If I can
> > > > > >convert
> > > > > > > the OBJID back to a date/time...I might be able to
> > > > > > > re-establish some
> > > > >of
> > > > > > > the
> > > > > > > relationships by adjusting these times...or at least give an
> > > > > > > accurate timeline of when the relation ship was lost.  Below
> > > > > > > are
> > > >some
> > > >examples.
> > > > > > >
> > > > > > > OBJID
> > > > > > > H9WDH701=02/06/03 09:19:55 AM
> > > > > > > H9WLA903=02/06/03 12:08:33 PM
> > > > > > > HLBDMS01=09/16/03 08:56:52 AM
> > > > > > > H0HEOO01=08/07/02 09:19:36 PM
> > > > > > > IYY5UQ01=05/08/06 05:40:02 AM
> > > > > > >
> > > > > > >
> > > > > > > >From: "Billy Pang" <tuxedoman888 at gmail.com>
> > > > > > > >Reply-To: Access Developers discussion and problem
> > > > > > > >solving<accessd at databaseadvisors.com>
> > > > > > > >To: "Access Developers discussion and problem
> > > > > > > >solving"<accessd at databaseadvisors.com>
> > > > > > > >Subject: Re: [AccessD] OT(kinda): Crack Code
> > > > > > > >Date: Wed, 21 Mar 2007 09:52:24 -0700
> > > > > > > >
> > > > > > > >can you post an example of a record with the key?
> > > > > > > >
> > > > > > > >also, why do you need to convert these keys back to datetime?
> > > > > > > >
> > > > > > > >
> > > > > > > >On 3/21/07, Mark A Matte <markamatte at hotmail.com> wrote:
> > > > > > > > >
> > > > > > > > > Hello All,
> > > > > > > > >
> > > > > > > > > I have a DB...just the data...no FE...all of the Keys are
> > > > > > > > > 8
> > > > > >character
> > > > > > > > > alpha-numeric.  This key is generated from the date time.
> > > > > > > > > The
> > > > > >company
> > > > > > > > > that
> > > > > > > > > developed the app no longer exists.  I need to figure out
> > > > > > > > > the
> > > > >logic
> > > > > > > >used,
> > > > > > > > > and convert these keys back to date time.  I've searched
> > > > > > > > > online
> > > > >for
> > > > > > > any
> > > > > > > > > reference to the company/software...and no luck.
> > > > > > > > >
> > > > > > > > > Any ideas/directions...anything?
> > > > > > > > >
> > > > > > > > > Thanks,
> > > > > > > > >
> > > > > > > > > Mark A. Matte

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