vignere-babbage-cipher/README.md

Encrypt/decrypt by using the Vignere–Babbage cipher

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# vignere-babbage-cipher

 [![Support me on Patreon][badge_patreon]][patreon] [![Buy me a book][badge_amazon]][amazon] [![PayPal][badge_paypal_donate]][paypal-donations] [![Ask me anything](https://img.shields.io/badge/ask%20me-anything-1abc9c.svg)](https://github.com/IonicaBizau/ama) [![Version](https://img.shields.io/npm/v/vignere-babbage-cipher.svg)](https://www.npmjs.com/package/vignere-babbage-cipher) [![Downloads](https://img.shields.io/npm/dt/vignere-babbage-cipher.svg)](https://www.npmjs.com/package/vignere-babbage-cipher) [![Get help on Codementor](https://cdn.codementor.io/badges/get_help_github.svg)](https://www.codementor.io/@johnnyb?utm_source=github&utm_medium=button&utm_term=johnnyb&utm_campaign=github)

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> Encrypt/decrypt by using the Vignere–Babbage cipher

















## :cloud: Installation

```sh
# Using npm
npm install --save vignere-babbage-cipher

# Using yarn
yarn add vignere-babbage-cipher
```













## :clipboard: Example



```js
const Cipher = require("vignere-babbage-cipher");

// Key used to encryp/decrypt
const key = "ROSEMARY"

console.log(Cipher.encrypt("BEGINTHEATTACKATDAWN", key))
// => SSYMZTYCBXZIPDHXDTPN

console.log(Cipher.decrypt("SSYMZTYCBXZIPDHXDTPN", key))
// => BEGINTHEATTACKATDAWN

// With spaces
console.log(Cipher.encrypt("BEGIN THE ATTACK AT DAWN!", key))



console.log(Cipher.encrypt("HITHERE", "MAN"))
// => SSYMZTYCBXZIPDHXDTPN

console.log(Cipher.decrypt("TI GOMKL!", "MAN"))
```












## :question: Get Help

There are few ways to get help:



 1. Please [post questions on Stack Overflow](https://stackoverflow.com/questions/ask). You can open issues with questions, as long you add a link to your Stack Overflow question.
 2. For bug reports and feature requests, open issues. :bug:
 3. For direct and quick help, you can [use Codementor](https://www.codementor.io/johnnyb). :rocket:







## :memo: Documentation


### `encrypt(input, key)`
Encrypt the plain text.

#### Params

- **String** `input`: The plain text to encrypt.
- **String** `key`: The key.

#### Return
- **String** The encrypted version.

### `decrypt(input, key)`
Decrypt the input.

#### Params

- **String** `input`: Decrypt the encrypted text.
- **String** `key`: The key.

#### Return
- **String** The result in plain text.














## :yum: How to contribute
Have an idea? Found a bug? See [how to contribute][contributing].


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I open-source almost everything I can, and I try to reply to everyone needing help using these projects. Obviously,
this takes time. You can integrate and use these projects in your applications *for free*! You can even change the source code and redistribute (even resell it).

However, if you get some profit from this or just want to encourage me to continue creating stuff, there are few ways you can do it:


 - Starring and sharing the projects you like :rocket:
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Thanks! :heart:
























## :scroll: License

[MIT][license] © [Ionică Bizău][website]






[license]: /LICENSE
[website]: https://ionicabizau.net
[contributing]: /CONTRIBUTING.md
[docs]: /DOCUMENTATION.md
[badge_patreon]: https://ionicabizau.github.io/badges/patreon.svg
[badge_amazon]: https://ionicabizau.github.io/badges/amazon.svg
[badge_paypal]: https://ionicabizau.github.io/badges/paypal.svg
[badge_paypal_donate]: https://ionicabizau.github.io/badges/paypal_donate.svg
[patreon]: https://www.patreon.com/ionicabizau
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[paypal-donations]: https://www.paypal.com/cgi-bin/webscr?cmd=_s-xclick&hosted_button_id=RVXDDLKKLQRJW