Will check if the text contains valid alphabetic symbols only.

Performs a modulo on an index so that its value references a position within the alphabet. This function handles negative wrap around modulo as rust d

Generates a scrambled alphabet using a key phrase for a given alphabet type. Lets consider the key `or0an3ge` for an alphanumeric alphabet. The result

Create a new Playfair key table The table is a 5x5 (I=J) matrix. Any repeated characters are removed and the key fills in the table from left to righ

Generate a 6x6 polybius square hashmap from an alphanumeric key. For successfull generation, the following must be met: # Panics The `key` must have

Performs a shift substitution of letters within a piece of text based on the index of them within the alphabet. This substitution is defined by the c

Performs a poly-substitution on a piece of text based on the index of its characters (within the alphabet) and the keystream `k`. This substitution i

Validate and return a Columnar Transposition key given a specific keystream. # Panics The `keystream` length is 0. The `keystream` contains non-alpha

Generate a cyclic keystream. For this, we simply repeat the key until we have enough symbols to encrypt all alphabetic symbols of the message.

Encrypt a message using a Porta cipher. # Examples Basic usage: ``` use cipher_crypt::{Cipher, Porta}; let v = Porta::new("melon".into()); assert_e

Apply the PlayFair cipher algorithm. The operations for encrypt and decrypt are identical except for the direction of the substitution choice.

Apply rule 2 (Row) or rule 3 (Column). # Rule 2 If the letters appear on the same row of your table, replace them with the letters to their immediat

Apply rule 1 (bigrams). # Rule 1 If both letters are the same (or only one letter is left), add the null_char after the first letter. Encrypt the ne

Decrypt a message using the Rot13 substitute cipher. # Examples Basic usage: ``` use cipher_crypt::Rot13; let m = "I am my own inverse"; assert_eq!

Decrypt a message using a Porta cipher. # Examples Basic usage: ``` use cipher_crypt::{Cipher, Porta}; let v = Porta::new(String::from("melon")); a

Decrypt a message using a Vigenère cipher. # Examples Basic usage: ``` use cipher_crypt::{Cipher, Vigenere}; let v = Vigenere::new(String::from("gi

Decrypt a message using a Caesar cipher. # Examples Basic usage: ``` use cipher_crypt::{Cipher, Caesar}; let c = Caesar::new(3); assert_eq!("Attack

Encrypt a message using the Rot13 substitute cipher. # Examples Basic usage: ``` use cipher_crypt::Rot13; let m = "I am my own inverse"; assert_eq!

Encrypt a message with a Columnar Transposition cipher. All characters (including utf8) can be encrypted during the transposition process. However, i

Encrypt a message using a Vigenère cipher. # Examples Basic usage: ``` use cipher_crypt::{Cipher, Vigenere}; let v = Vigenere::new(String::from("gi

Encrypt a message using a Caesar cipher. # Examples Basic usage: ``` use cipher_crypt::{Cipher, Caesar}; let c = Caesar::new(3); assert_eq!("Dwwdfn

Identifies 2 corners of the rectangle.

Finds the multiplicative inverse of an index such that `a*x = 1 (mod n)`. Where `a` is the number we are inverting, `x` is the multiplicative inverse,

Will scrub non-alphabetic characters from the text and return the scrubed version.

Apply rule 4 (Rectangle). # Rule 4 If the letters are not on the same row or column, replace them with the letters on the same row respectively but

Generate a concatonated keystream (key + message).

Attempts to decode a morsecode sequence into a character of the known alphabet. Will return None if the Morse code isn't present in the alphabet

Decrypt a message using an Autokey cipher. # Examples Basic usage: ``` use cipher_crypt::{Cipher, Autokey}; let a = Autokey::new(String::from("fort

Decrypt a message using a Hill cipher. It is expected that this message contains alphabetic characters only. Due to the nature of the hill cipher it

Attempts to convert a character into a morse code sequence Will return None if the character isn't present in the known alphabet

Encrypt a message using the Baconian cipher The message to be encrypted can only be ~18% of the decoy_text as each character of message is encoded by

Encrypt a message using an Autokey cipher. # Examples Basic usage: ``` use cipher_crypt::{Cipher, Autokey}; let a = Autokey::new(String::from("fort

Encrypt a message using a Hill cipher. It is expected that this message contains alphabetic characters only. Due to the nature of the hill cipher it

Get the code for a given key (source character)

Gets the key (the source character) for a given cipher text code

Determines if the char is a number.

For a given column and the total number of 'rails' (rows), determine the current rail that should be referenced.

Calculates the inverse key for decryption

Takes a sequence of trigraphs, which is then interpreted as morse code so that it may be converted back to plaintext.This function returns `Err` if an

Decrypt a message using a Railfence cipher. # Examples Basic usage: ``` use cipher_crypt::{Cipher, Railfence}; let r = Railfence::new(3); assert_eq

Decrypt a ciphertext with a Columnar Transposition cipher. # Examples Basic usage: ``` use cipher_crypt::{Cipher, ColumnarTransposition}; let key_w

Decrypt a message using a Polybius square cipher. # Examples Basic usage: ``` use cipher_crypt::{Cipher, Polybius}; let p = Polybius::new((String::

Decrypt a message with the Playfair cipher. # Warning The 5x5 key table requires any 'J' characters in the message to be substituted with 'I' charact

Decrypt a message using a Fractionated Morse cipher. The Fractionated Morse alphabet only contains the normal alphabetic characters `a-z`, therefore

Decrypt a message that was encrypted with the Baconian cipher # Examples Basic usage: ``` use cipher_crypt::{Cipher, Baconian}; let b = Baconian::n

Decrypt a message using a Scytale cipher. # Examples Basic usage: ``` use cipher_crypt::{Cipher, Scytale}; let ct = Scytale::new(6); assert_eq!("Pr

Decrypt a message using a ADFGVX cipher. # Examples Basic usage: ``` use cipher_crypt::{Cipher, ADFGVX}; let polybius_key = String::from("ph0qg64me

Decrypt a message using an Affine cipher. # Examples Basic usage: ``` use cipher_crypt::{Cipher, Affine}; let a = Affine::new((3, 7)); assert_eq!("

Takes ciphertext and converts it to a sequence of trigraph symbols. return `Err` if a non-alphabetic symbol is present in the message.

Takes a message and converts it to Morse code, using the character `|` as a separator. The transposed sequence is ended with two separators `||`. This

Encrypt a message using a Railfence cipher. # Examples Basic usage: ``` use cipher_crypt::{Cipher, Railfence}; let r = Railfence::new(3); assert_eq

Encrypt a message using a Polybius square cipher. # Examples Basic usage: ``` use cipher_crypt::{Cipher, Polybius}; let p = Polybius::new((String::

Encrypt a message with the Playfair cipher. # Warning The 5x5 key table requires any 'J' characters in the message to be substituted with 'I' charact

Encrypt a message using a Fractionated Morse cipher. Morse code supports the characters `a-z`, `A-Z`, `0-9` and the special characters `@ ( ) . , : '

Encrypt a message using a Scytale cipher. Whilst all characters (including utf8) can be encrypted during the transposition process, it is important t

Encrypt a message using a ADFGVX cipher. # Examples Basic usage: ``` use cipher_crypt::{Cipher, ADFGVX}; let polybius_key = String::from("ph0qg64me

Encrypt a message using an Affine cipher. # Examples Basic usage: ``` use cipher_crypt::{Cipher, Affine}; let a = Affine::new((3, 7)); assert_eq!("