2 GoVPN -- simple secure free software virtual private network daemon
3 Copyright (C) 2014-2015 Sergey Matveev <stargrave@stargrave.org>
5 This program is free software: you can redistribute it and/or modify
6 it under the terms of the GNU General Public License as published by
7 the Free Software Foundation, either version 3 of the License, or
8 (at your option) any later version.
10 This program is distributed in the hope that it will be useful,
11 but WITHOUT ANY WARRANTY; without even the implied warranty of
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 GNU General Public License for more details.
15 You should have received a copy of the GNU General Public License
16 along with this program. If not, see <http://www.gnu.org/licenses/>.
19 // Verifier generator and validator for GoVPN VPN daemon.
33 IDRaw = flag.String("id", "", "Client identification")
34 keyPath = flag.String("key", "", "Path to passphrase file")
35 verifierPath = flag.String("verifier", "", "Optional path to verifier")
40 id, err := govpn.IDDecode(*IDRaw)
44 pub, _ := govpn.NewVerifier(id, govpn.StringFromFile(*keyPath))
45 if *verifierPath == "" {
46 fmt.Println(hex.EncodeToString(pub[:]))
48 verifier, err := hex.DecodeString(govpn.StringFromFile(*verifierPath))
50 log.Fatalln("Can not decode verifier:", err)
52 fmt.Println(subtle.ConstantTimeCompare(verifier[:], pub[:]) == 1)