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Prime Numbers Cipher

Tool to decrypt/encrypt using prime numbers. The Prime Numbers cipher consists in associating each character a prime number.

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Prime Numbers Cipher -

Tag(s) : Cryptography, Substitution Cipher

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Prime Numbers Cipher

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Tool to decrypt/encrypt using prime numbers. The Prime Numbers cipher consists in associating each character a prime number.

Answers to Questions

How to encrypt using Prime Numbers cipher?

The encryption uses a correspondence between prime numbers and letters. By default, replace the 26 letters of the alphabet with the 26 first prime numbers (A=2, B=3, C=5, D=7, ..., Z=101).

Example: DCODE is crypted 7,5,47,7,11

How to decrypt Prime Numbers cipher?

Decryption requires knowing the correspondence used between prime numbers and letters. By default, A = 2, B = 3, C = 5, ...

Example: The cipher message is 7,5,47,7,11 then it will be decrypted into DCODE.

How to recognize a Prime Numbers ciphertext?

The message is only made of prime numbers. The first 26 prime numbers are 2, 3, 5, 7, 11, 13, 17, 19, 23, 29, 31, 37, 41, 43, 47, 53, 59, 61, 67, 71, 73, 79, 83, 89, 97 and 101.

What are the variants of the Prime Numbers cipher?

It is possible to define an alternative correspondence (or random) between prime numbers and letters.

Example: Random substitution: A=17, B=43, C=101, D=3, etc.

To decode this alternative, convert the numbers into letters using the decryption form and then perform a monoalphabetical substitutionhref.

The South African Scouts Cipher uses prime numbers that are multiplied together. It is then necessary to use a prime decomposition.

Example: 110 = 2*5*11 = A,C,E.

In this case, the order of letters is not necessarily preserved (ACE = 2*5*11 = 110 and ECA = 11*5*2 = 110 too), it is then necessary to use an anagramhref generator or a permutationshref generator to find the right permutationhref of letters.

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Source code

dCode retains ownership of the source code of the script Prime Numbers Cipher. Except explicit open source licence (indicated Creative Commons / free), any algorithm, applet, snippet, software (converter, solver, encryption / decryption, encoding / decoding, ciphering / deciphering, translator), or any function (convert, solve, decrypt, encrypt, decipher, cipher, decode, code, translate) written in any informatic langauge (PHP, Java, C#, Python, Javascript, etc.) which dCode owns rights can be transferred after sales quote. So if you need to download the Prime Numbers Cipher script for offline use, for you, your company or association, see you on contact page !

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Team dCode read all messages and answer them if you leave an email (not published). It is thanks to you that dCode has the best Prime Numbers Cipher tool. Thank you.


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