Tool to decrypt/encrypt with digrafid. The Digrafid cipher is a tomogrammic encryption system using two grids of letters and transpositions of their coordinates ... Digrafid Decoder · How to encrypt using Digrafid...

A digraph cipher encrypts by substituting each digraph (ie pair of letters) in the message with a different digraph or symbol.

The Digraph Cipher is kind of like the Vigenere Cipher. When you write a sentence you would write it in pairs of twos, li ke th is, and if there is a ...

This online calculator encrypts and decrypts a message given Playfair cipher keyword. Non-alphabetic symbols (digits, whitespaces, etc.) are ignored.

It is a polygraphic substitution cipher, which encrypts pair of letters instead of single letters. This makes frequency analysis much more difficult.

Tool to decrypt/encrypt the Playfair cipher, a cipher method using a grid and a symmetrical decryption process.

This multi decoder is designed to solve a wide variety of codes and ciphers, especially useful for Geocaching. Easy to use for both mobile and desktop ...

The Playfair cipher was the first practical digraph substitution cipher. It was invented in 1854 by Charles Wheatstone but was named after Lord Playfair.

When using a Digraph Substitution Cipher, the first step is to split the plaintext up into digraphs. Each of these will then be enciphered using a grid like the ...

The Playfair cipher is a digraph substitution cipher. It employs a table where one letter of the alphabet is omitted, and the letters are arranged in a 5x5 ...