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hpr2712 :: Steganography

Klaatu wraps up his miniseries about steganography.

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Hosted by klaatu on 2018-12-25 is flagged as Clean and is released under a CC-BY-SA license.
Tags: steganography,message,secret decoder ring.
Listen in ogg, spx, or mp3 format. | Comments (4)

Did you find the hidden message contained in Klaatu's previous two episodes?

If not, Klaatu reveals how to find it in this one, how to duplicate it, and what makes good steganography.


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Comment #1 posted on 2018-12-28T05:54:34Z by Ken Fallon

Did anyone win ?

we need to know.

Comment #2 posted on 2019-01-04T21:22:02Z by ShortFatBaldGuy

Great episode/series

Solid work klatuu, if you're ever in the Cincinnati area, I'd like to buy you a beer and pick your brain - Scott

Comment #3 posted on 2019-01-07T19:16:39Z by Klaatu

no lucky winners

Nobody emailed me revealing that they found the hidden object. To be fair, there wasn't much time, it was around the holidays, and people are busy. I should look at the server logs to see how many people actually downloaded the sample PDF containing the payload.

I believe that most listeners consume HPR from RSS and never see shownotes (and all of my subtle hints that there was more than meets the eye about this mini-series were only in shownotes).

Anyway, it was a fun experiment, and interesting data about both steganography and the PDF format.

Comment #4 posted on 2019-01-07T19:20:14Z by Klaatu

Thanks Scott

Thanks for the comment and offer, Scott. I'm more a coffee drinker, and rarely in Cincinnati any more, but drinking and talking about tech is pretty much my favourite pastime. So if I'm in the area I will absolutely broadcast it on the HPR mailing list so I can take you up on your offer!

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