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simple-cipher-js

A simple cryptography library for NodeJS.

Installing:

Install with npm:

$ npm install simple-cipher-js --save

with yarn:

$ yarn add simple-cipher-js

or add it directly to your webpage using a CDN:

<head>
	<script src="https://cdn.jsdelivr.net/npm/[email protected]/dist/index.min.js"></script>
</head>

if you are working off an older version of the CDN, simply replace [email protected] with a more precise version #

Implementing:

const cipher = require('simple-cipher-js');

cipher.rot13.encrypt('hello world!'); // uryyb jbeyq!
import { rot13, caesar } from 'simple-cipher-js';

rot13.decrypt('fvzcyr pvcuref ner sha'); // simple ciphers are fun

caesar.encrypt('password', 23); // mxpptloa 

Using the CDN:

	
<html> 
	<head>
		<script src="https://cdn.jsdelivr.net/npm/[email protected]/dist/index.min.js"></script>
	</head>
</head>


// inside of js file (or script tag)
document.querySelector("body").onload = function() {
	var encrypt = cipher.rot13.encrypt('hello world');

	console.log('encrypt: ', encrypt);
}

API:

Rot13 Cipher

import { rot13 } from 'simple-cipher-js';
		 

rot13.encrypt('special password') // => fcrpvny cnffjbeq
rot13.decrypt('fcrpvny cnffjbeq') // => special password

Caesar Cipher

import { caesar } from 'simple-cipher-js';
		 

caesar.encrypt('et tu brute', 4) // => ix xy fvyxi
caesar.decrypt('ix xy fvyxi', -4) // => et tu brute

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