2 GoVPN -- simple secure free software virtual private network daemon
3 Copyright (C) 2014-2017 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.
29 "cypherpunks.ru/govpn"
33 keyPath = flag.String("key", "", "Path to passphrase file")
34 verifier = flag.String("verifier", "", "Optional verifier")
35 sOpt = flag.Int("s", govpn.DefaultS, "Balloon space cost")
36 tOpt = flag.Int("t", govpn.DefaultT, "Balloon time cost")
37 pOpt = flag.Int("p", govpn.DefaultP, "Balloon parallel jobs")
38 egdPath = flag.String("egd", "", "Optional path to EGD socket")
39 version = flag.Bool("version", false, "Print version information")
40 warranty = flag.Bool("warranty", false, "Print warranty information")
46 fmt.Println(govpn.Warranty)
50 fmt.Println(govpn.VersionGet())
54 govpn.EGDInit(*egdPath)
56 key, err := govpn.KeyRead(*keyPath)
58 log.Fatalln("Unable to read the key", err)
61 id := new([govpn.IDSize]byte)
62 if _, err = io.ReadFull(govpn.Rand, id[:]); err != nil {
65 pid := govpn.PeerId(*id)
66 v := govpn.VerifierNew(*sOpt, *tOpt, *pOpt, &pid)
68 fmt.Println(v.LongForm())
69 fmt.Println(v.ShortForm())
72 v, err := govpn.VerifierFromString(*verifier)
74 log.Fatalln("Can not decode verifier", err)
77 log.Fatalln("Verifier does not contain public key")
81 fmt.Println(bytes.Equal(v.Pub[:], pub[:]))