2 GoVPN -- simple secure free software virtual private network daemon
3 Copyright (C) 2014-2019 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, version 3 of the License.
9 This program is distributed in the hope that it will be useful,
10 but WITHOUT ANY WARRANTY; without even the implied warranty of
11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 GNU General Public License for more details.
14 You should have received a copy of the GNU General Public License
15 along with this program. If not, see <http://www.gnu.org/licenses/>.
18 // Verifier generator and validator for GoVPN VPN daemon.
28 "cypherpunks.ru/govpn"
32 keyPath = flag.String("key", "", "Path to passphrase file")
33 verifier = flag.String("verifier", "", "Optional verifier")
34 sOpt = flag.Int("s", govpn.DefaultS, "Balloon space cost")
35 tOpt = flag.Int("t", govpn.DefaultT, "Balloon time cost")
36 pOpt = flag.Int("p", govpn.DefaultP, "Balloon parallel jobs")
37 egdPath = flag.String("egd", "", "Optional path to EGD socket")
38 version = flag.Bool("version", false, "Print version information")
39 warranty = flag.Bool("warranty", false, "Print warranty information")
45 fmt.Println(govpn.Warranty)
49 fmt.Println(govpn.VersionGet())
53 govpn.EGDInit(*egdPath)
55 key, err := govpn.KeyRead(*keyPath)
57 log.Fatalln("Unable to read the key", err)
60 id := new([govpn.IDSize]byte)
61 if _, err = io.ReadFull(govpn.Rand, id[:]); err != nil {
64 pid := govpn.PeerID(*id)
65 v := govpn.VerifierNew(*sOpt, *tOpt, *pOpt, &pid)
67 fmt.Println(v.LongForm())
68 fmt.Println(v.ShortForm())
71 v, err := govpn.VerifierFromString(*verifier)
73 log.Fatalln("Can not decode verifier", err)
76 log.Fatalln("Verifier does not contain public key")
80 fmt.Println(bytes.Equal(v.Pub[:], pub[:]))