122 players / 147 plays

# Cryptography

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## Game Instructions

Type your message using the characters:
ABCDEFGHIJKLMNOPQRSTUVWYZ_!?,.
choose the integer values for a and b
(below there are some examples of a and b to use)
and hit the OK button.

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## Cryptography

Version 1.0.0.0

by nemezes
First published on 22nd June, 2017

With this tool you can cryptography some small messages using the power of Construct 2. :)

Type your message using the characters:
ABCDEFGHIJKLMNOPQRSTUVWYZ_!?,.
choose the integer values for a and b
(below there are some examples of a and b to use)
and hit the OK button.

The cryptography uses a function of the form f(x)=ax+b and works in congruences with integers module 31. It is a substitution cipher.

Here are some examples of values of a and b to use
* Cipher with a=4,b=5 (decipher with a=8, b=22)
* Cipher with a=23,b=7 (decipher with a=27, b=28)
* Cipher with a=12,b=1 (decipher with a=13, b=18)
* Cipher with a=8,b=22 (decipher with a=4, b=5)
* Cipher with a=27,b=28 (decipher with a=23, b=7)
* Cipher with a=13,b=18 (decipher with a=12, b=1)

Try to decipher the message: QIGGOPZOWG_? (it was ciphered with a=13 and b=18)

If you like it, soon I will publish the code. ;)

## Plays Stats

147 total plays

124 guest plays

23 Scirra member plays

## Users Stats

122 unique players

103 unique guests

19 Scirra members

## Last Updated

Game stats last updated 0.00130000333333333 minutes ago

## Time Stats

27 minutes 58 seconds total play time

1 minute 13 seconds average play length

## Active Users

3 highest number of simultaneous players

Thursday, June 22, 2017

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