All Questions
Tagged with cipher computer-puzzle
73
questions
12
votes
2
answers
1k
views
Cryptic message from a former SYSOP
Your sysop recently quit due to what the law division calls "internal struggles". Less fancily, he hated you, and he hated his job. As a parting gift, he left you a program entitled SwanSong.c. Being ...
- 17k
3
votes
2
answers
754
views
The door of death!
You have been taken prisoner and thrown in a dungeon. You have escaped your cell, are standing in front of two identical doors. One will lead you to freedom, the other to a place where you will die a ...
user9377
7
votes
2
answers
1k
views
The impossible door!
You are standing at the door to a lost temple in Georgia (the former Soviet Republic). You are an expert in lock picking, but there is no keyhole. You then realise that there is a word that will open ...
user9377
3
votes
2
answers
1k
views
Find the cipher algorithm and decode the message
Sam is a computer expert. He works in a Security Company. His son Tim just turned thirteen and is new to C++ programming and ciphertexts . He decides to write a C++ program to make a cipher algorithm. ...
- 603
10
votes
3
answers
1k
views
What is the password to the diamond temple?
You are searching for the diamonds in a remote area. After hours, you see a temple with a diamond engraved. You realise that this is the diamond temple. The temple has the following also engraved:
A ...
- 1,976
40
votes
4
answers
4k
views
Multilayer Image Steganography
Alice, Bob, Carol, and Dan are playing a card game. After they all show their cards, Bob notes that by exchanging two cards the order of the players would be reversed; that is, the player with the ...
- 18.9k
22
votes
3
answers
2k
views
Down the Rabbit Hole
There's a secret hidden in the text below. What mind-blowing truth does it reveal?
Not imaginative? Then Zeke's Clues may assist! Unsure, lad? With our
patented Obscurity Clues, begin verifiably ...
- 17.5k
5
votes
3
answers
705
views
The work of William Shakespeare?
sONneT NUmBEr 18 -- ShAlL i COMPArE theE to A SUMMeR's day? ThOu aRT MOre lOvElY aND more TEMpEratE. rOUgH wiNDS dO ShAkE tHE dArLIng buDs of MAY, anD SuMmER's lEASE HaTH aLl ToO ShOrT A datE. ...
- 4,273
4
votes
2
answers
498
views
A crypto-limerick
If you AES the last line,
With a key made of something divine,
And then you XOR
The SHA-1 of "4",
FWqY58QhWVqPDX0uQ8C37AYaPeWFab42F2nyuY+zWK/gCV2bo8hIDt6sjon1I8+...
user88
-2
votes
7
answers
704
views
I am not Alien Then who am i?
Treat me baby who Abode of the good
But don't think my origin is asteroid
but believe me, i am not that alien
I have traveled Millennium distances
but that may not whistler in your ...
- 982
12
votes
2
answers
1k
views
Help! What's my encoding? ¡×ךwg¿¿uþ}0ã×/Œz0îÏ–þžwóuÜ„
I wanted to share a wonderful message with all of you lovely people on puzzling.SE, but when I typed it in, all that came out was a string of gibberish:
¡×ךwg¿¿uþ}0ã×/Œz0îÏ–þžwóuÜ„
Thankfully I've ...
- 370
7
votes
2
answers
1k
views
What is John's job?
You are a spy trying to find out the job of a man named John. One day, you go up to John's friend, Joe. You tell Joe that if he doesn't tell you what John's job is, you will destroy him. Not wanting ...
user9377
6
votes
1
answer
1k
views
A riddle and a line of text
I have a bit of pseudocode for you, and then an encoded string. The pseudocode will help you untangle the string. It's not the most easily understood pseudocode, and that might (just might) make your ...
- 3,136