gun/sea/aeskey.js
2018-06-15 11:22:09 -07:00

13 lines
588 B
JavaScript

var shim = require('./shim');
var sha256hash = require('./sha256');
const importGen = async (key, salt, opt) => {
//const combo = shim.Buffer.concat([shim.Buffer.from(key, 'utf8'), salt || shim.random(8)]).toString('utf8') // old
var opt = opt || {};
const combo = key + (salt || shim.random(8)).toString('utf8'); // new
const hash = shim.Buffer.from(await sha256hash(combo), 'binary')
return await shim.subtle.importKey('raw', new Uint8Array(hash), opt.name || 'AES-GCM', false, ['encrypt', 'decrypt'])
}
module.exports = importGen;