2024年7月29日 · One Time Pad - A virtually uncrackable cipher that relies heavily upon a random source for an encryption key. Playfair - This cipher uses pairs of letters and a 5x5 grid to encode a message. It is fairly strong for a pencil and paper style code.
2024年7月29日 · Do you have a cryptogram, also known as a cryptoquip or a simple letter substitution cipher? Just type it in here and perhaps this will solve it right away. If not, it should allow you to work towards a solution by offering solutions for each word and tying the letters together throughout the entire cipher.
2024年7月29日 · Web-Based Tools. Ciphers - Encode or decode secret messages in your browser. Great for geocaching, escape rooms, or simply passing the time. Die Roll Stats - Useful to visualize the odds of many different types of dice producing results in a variety of combinations.; Phone Uploader - Send new ringtones, images, and Java midlets to your …
A Caesar cipher lets you add an arbitrary value, shifting each letter forwards or backwards. Traditionally, the offset is 3, making A into D, B into E, etc. This is a standard Caesarian Shift cipher encoder, also known as a rot-N encoder.
2024年7月29日 · A very simplistic cipher where you change A to Z, B to Y, and so on. The Atbash cipher is a very common and simple cipher that simply encodes a message with the reverse of the alphabet. Initially it was used with Hebrew.
A pretty strong cipher for beginners. Functionally similar to "Variant Beaufort" and this also supports autokey. A 16 th century French diplomat, Blaise de Vigenère, created a very simple cipher that is moderately difficult for any unintended parties to decipher.
2024年7月29日 · Rumkin.com > Web-Based Tools > Ciphers and Codes Morse Code Once used to transmit messages around the world, this system can still be used in certain situations to send messages effectively when alternate mediums are not available.
2024年7月29日 · Rumkin.com > Web-Based Tools > Ciphers and Codes Baconian Used to hide a message within another message by using different typefaces or other distinguishing characteristics.
2024年7月29日 · This cipher uses pairs of letters and a 5x5 grid to encode a message. It is fairly strong for a pencil and paper style code. The Playfair cipher is a digraph substitution cipher.
2024年7月29日 · Rumkin.com > Web-Based Tools > Ciphers and Codes Rail Fence A mildly complicated one where you align letters on different rows and then squish the letters together in order to create your ciphertext.