MY OWN ENCRYPTION SYSTEM
Ana Serna Gamayo
Albatera, Spain
01
What is the project about?
The project consists in an encriptyon system that I have inveted in order to hide messages. It is similar to polybius system, in which letters are changed by numbers.
2. SOFTWARE
LIBRE OFFICE CALC
I have decided to use Libre Office Calc, which is very useful for creating spreadsheets, in which you can do very complex operations in an easier way.
It uses the code that computers use to encrypt all its numbers
03. HOW DOES THIS ECRYTION WORK?
However, it also has a key: SPAIN
Computers encrypt the letters, giving each one a specific number.
example
You have to add to number you've obtained the number of letters the key word has to obtain the final number.
04
EXAMPLE
The number that the computer gives you when you codify "U" is 85.
However, we also have to take into account the keyword, in this case, Spain
So we add 5 to the number obtained. The final number is 90. 90 means U
Test
START
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05
EXAMPLE
The letter that the computer gives you when you decodify 83 is "N".
However, we also have to take into account the keyword, in this case, Spain
So we have to substract 5 to the number before you decodify it. The final number is 78. 78 means N
Test
72
70
89
START
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I HOPE YOU'VE LIKED IT AND USE IT!!
ENCRYPTION SYSTEM
anamariasernagamayo
Created on February 17, 2021
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Transcript
MY OWN ENCRYPTION SYSTEM
Ana Serna Gamayo
Albatera, Spain
01
What is the project about?
The project consists in an encriptyon system that I have inveted in order to hide messages. It is similar to polybius system, in which letters are changed by numbers.
2. SOFTWARE
LIBRE OFFICE CALC
I have decided to use Libre Office Calc, which is very useful for creating spreadsheets, in which you can do very complex operations in an easier way.
It uses the code that computers use to encrypt all its numbers
03. HOW DOES THIS ECRYTION WORK?
However, it also has a key: SPAIN
Computers encrypt the letters, giving each one a specific number.
example
You have to add to number you've obtained the number of letters the key word has to obtain the final number.
04
EXAMPLE
The number that the computer gives you when you codify "U" is 85.
However, we also have to take into account the keyword, in this case, Spain
So we add 5 to the number obtained. The final number is 90. 90 means U
Test
START
Esta página necesita contraseña de acceso
Introduce la contraseña
05
EXAMPLE
The letter that the computer gives you when you decodify 83 is "N".
However, we also have to take into account the keyword, in this case, Spain
So we have to substract 5 to the number before you decodify it. The final number is 78. 78 means N
Test
72
70
89
START
Esta página necesita contraseña de acceso
Introduce la contraseña
I HOPE YOU'VE LIKED IT AND USE IT!!