robertsosinski / js-aes

A JavaScript implementation of the Advanced Encryption Standard using Counter Mode

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js-aes /
name age
history
message
file .gitignore Fri Mar 27 20:53:55 -0700 2009 Making public [robertsosinski]
file MIT-LICENSE Fri Mar 27 20:53:55 -0700 2009 Making public [robertsosinski]
file README Fri Mar 27 20:53:55 -0700 2009 Making public [robertsosinski]
file aes.js Thu Nov 26 21:02:16 -0800 2009 Adding missing ;'s [robertsosinski]
file test.html Tue Jun 02 08:22:08 -0700 2009 Test cleanup [robertsosinski]
README
About
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JS-AES is a JavaScript implementation of the Advanced Encryption Standard using Counter Mode.

The best way to understand the aes.js source code is to follow along with a FIPS 197, which you can download from 
http://csrc.nist.gov/publications/fips/fips197/fips-197.pdf

Usage
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After you include the aes.js file into your page, you can interact with it in the following manner:

// Create two new crypto objects
var aSide = new AES.Crypto(AES.generateKey());
var bSide = new AES.Crypto(aSide.key);

// Sync the two cryptos
bSide.setCounter(aSide.getCounter());

// Encryption
var cipherText = aSide.encrypt("the quick brown fox jumped over the lazy dog");

// Decryption
var plainText = bSide.decrypt(cipherText);

// Compare
plainText == "the quick brown fox jumped over the lazy dog";

Feedback
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If you have any questions, comments or just want to talk shop about crypto, feel free to reach me 
through my website at http://www.robertsosinski.com.