deriveKeys method
Implementation
Future<Map<String, String>> deriveKeys(
String password, int version, String salt) async {
final k = HEX
.encode(pbkdf2(utf8.encode(password), utf8.encode(salt), 200000, 64))
.toLowerCase();
return (version == 2)
? {
'masterKey': k.substring(0, 64),
'password': HEX
.encode(
crypto.sha512.convert(utf8.encode(k.substring(64))).bytes)
.toLowerCase()
}
: {'masterKey': k, 'password': k};
}