Struct cipher_crypt::caesar::Caesar

pub struct Caesar { /* fields omitted */ }

A Caesar cipher.

This struct is created by the new() method. See its documentation for more.

Methods

impl Caesar

fn new(shift: usize) -> Result<Caesar, &'static str>

Initialise a Caesar cipher given a specific shift value.

Will return Err if the shift value is outside the range 1-26.

fn encrypt(&self, message: &str) -> String

Encrypt a message using a Caesar cipher.

Examples

Basic usage:

use cipher_crypt::caesar::Caesar;

let caesar = Caesar::new(3).unwrap();
assert_eq!("Dwwdfn dw gdzq!", caesar.encrypt("Attack at dawn!"));

fn decrypt(&self, cipher_text: &str) -> String

Decrypt a message using a Caesar cipher.

Examples

Basic usage:

use cipher_crypt::caesar::Caesar;

let caesar = Caesar::new(3).unwrap();
assert_eq!("Attack at dawn!", caesar.decrypt("Dwwdfn dw gdzq!"));