Files
gun/sea/decrypt.js
2018-04-07 13:50:53 -07:00

26 lines
837 B
JavaScript

var SEA = require('./root');
var shim = require('./shim');
var S = require('./settings');
var aescbckey = require('./aescbc');
var parse = require('./parse');
SEA.decrypt = async (data, pair, cb) => { try {
const key = pair.epriv || pair;
const json = parse(data)
const ct = await aescbckey(key, shim.Buffer.from(json.s, 'utf8'))
.then((aes) => shim.subtle.decrypt({ // Keeping aesKey scope as private as possible...
name: 'AES-CBC', iv: new Uint8Array(shim.Buffer.from(json.iv, 'utf8'))
}, aes, new Uint8Array(shim.Buffer.from(json.ct, 'utf8'))))
const r = parse(new shim.TextDecoder('utf8').decode(ct))
if(cb){ cb(r) }
return r;
} catch(e) {
SEA.err = e;
if(cb){ cb() }
return;
}}
module.exports = SEA.decrypt;