h4siaizP2foaa/PiVeJmyVhKaGdO0v1+caaaaa==

bodqhrohro · 04-19-2018, 12:25 PM

I think a simple greeting would be too boring and banal, so I made an encrypted one

The cyphering may look obvious, but don't jump to conclusions so fast.

linustalman · 04-21-2018, 04:10 AM

Greetings bodqhrohro. What does your username and "h4siaizP2foaa/PiVeJmyVhKaGdO0v1+caaaaa==" mean?

bodqhrohro · 04-21-2018, 06:53 AM

My nickname is described here. In short, this is a diminutive form of my name followed with the onomatopoeia of pig grunt in Ukrainian, both written in Cyrillic and encoded in KOI-7.

Determining what does the title means is a challenge

If it would turn up too hard, I will offer some hints.

bodqhrohro · 04-25-2018, 02:19 PM

Okay, still no any guesses, so here's my first hint. To decode this, the short pipeline of usual UNIX utilities is enough. Guess what

Good luck!

linustalman · 04-28-2018, 08:02 AM

Sorry bodqhrohro, I'm too busy to work out the meaning.

bodqhrohro · 02-11-2019, 12:45 PM

Quote:

Originally Posted by linustalman

Sorry bodqhrohro, I'm too busy to work out the meaning.

Okay, if still no one have guessed it, I'm uncovering the answer:

echo 'h4siaizP2foaa/PiVeJmyVhKaGdO0v1+caaaaa=='|tr A-Ma-m a-mA-M|base64 -d|gunzip

Luckily, it wasn't hard to recall it after almost a year

linustalman · 02-11-2019, 02:01 PM

Quote:

Originally Posted by bodqhrohro

Okay, if still no one have guessed it, I'm uncovering the answer:

echo 'h4siaizP2foaa/PiVeJmyVhKaGdO0v1+caaaaa=='|tr A-Ma-m a-mA-M|base64 -d|gunzip

Luckily, it wasn't hard to recall it after almost a year

That's a lot of work to just get 'Hi all!'.

bodqhrohro · 02-11-2019, 03:13 PM

Quote:

Originally Posted by linustalman

That's a lot of work to just get 'Hi all!'.

Congratulations, you've got the point of HTTPS coercion

sevendogsbsd · 02-11-2019, 03:42 PM

The double == is a dead giveaway that is is base64 encoded. FYI, base64 is not encryption but encoding

Encryption requires a key to decrypt, encoding does not.

Welcome by the way!

I just guessed: "tr A-Ma-m a-mA-M" is your key

So although I suppose technically that is encryption, I wouldn't use it to protect my financial info. Clever though!

bodqhrohro · 02-11-2019, 03:57 PM

Quote:

Originally Posted by sevendogsbsd

The double == is a dead giveaway that is is base64 encoded

That's why I told it may look obvious. But it's not that simple.

Quote:

Originally Posted by sevendogsbsd

Encryption requires a key to decrypt, encoding does not.

There is a kind of key.

Quote:

Originally Posted by sevendogsbsd

Welcome by the way!

Thanks!

l0f4r0 · 02-12-2019, 06:15 AM

Quote:

Originally Posted by bodqhrohro

echo 'h4siaizP2foaa/PiVeJmyVhKaGdO0v1+caaaaa=='|tr A-Ma-m a-mA-M|base64 -d|gunzip

Whaouh not very simple...
I'm wondering how one could tell about the "tr A-Ma-m a-mA-M" part... Was there any hint about it?
https://en.wikipedia.org/wiki/List_of_file_signatures can help regarding the gunzip part

ondoho · 02-12-2019, 08:05 AM

Quote:

Originally Posted by l0f4r0

I'm wondering how one could tell about the "tr A-Ma-m a-mA-M" part... Was there any hint about it?

it was the secret sauce.