Exports the cryptography functions needed for MapleStory
npm install @perion/crypto@perion/cryptoA library for encrypting/decrypting MapleStory packets.
``
npm i --save @perion/crypto
`node
const crypto = require('@perion/crypto');
/* Example data /
const payload = Buffer.from([0x1]);
const sendIv = Buffer.from([0x0, 0x2, 0x3, 0x4]);
const recvIv = Buffer.from([0x4, 0x2, 0x1, 0x0]);
/* crypto.Shanda example /
const encrypted = crypto.Shanda.encrypt(payload);
const decrypted = crypto.Shanda.decrypt(payload);
/* Returns the input buffer with the payload encrypted/decrypted using Maple Custom Shanda /
/* crypto.AES example /
/**
* You must initialize the AES class with:
* - an IV (Initialization Vector)
* - a MapleStory version number
*
* The IV must have a length of 4
* As the server, you must send the IV for both send and recv to the client
*/
const sendAES = new crypto.AES(sendIv, 83);
const recvAES = new crypto.AES(recvIv, 83);
const encryptedOut = sendAES.transform(payload);
const decryptedIn = recvAES.transform(payload);
/* Returns the input buffer with the payload encrypted/decryped using Maple AES /
``