xs/demo/Herradura.go

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2018-01-06 15:30:56 +00:00
/* Herradura - a Key exchange scheme in the style of Diffie-Hellman Key Exchange.
Copyright (C) 2017 Omar Alejandro Herrera Reyna
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <https://www.gnu.org/licenses/>.
golang implementation by Russ Magee (rmagee_at_gmail.com) */
package main
import (
"flag"
"fmt"
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hkex "blitter.com/herradurakex"
)
func main() {
var s int //MUST be 2^n where n is an integer
var p int //Amount of bits to share (a,a,b,b2)
flag.IntVar(&s, "s", 256, "Size in bits of secret (fa,fa2)")
flag.IntVar(&p, "p", 64, "Size in bits of shared public portion (b,b2)")
flag.Parse()
fmt.Printf("s=%v p=%v\n", s, p)
hkexAlice := hkex.New(s, p)
hkexBob := hkex.New(s, p)
fmt.Println("ALICE:")
fmt.Println(hkexAlice)
fmt.Println("BOB:")
fmt.Println(hkexBob)
// Alice and Bob exchange D
// (This, of course, would occur over a public channel between peers)
// hkexAlice and hkexBob would each be in separate contexts
// (processes, client/server etc.)
hkexBob.PeerD = hkexAlice.D()
hkexAlice.PeerD = hkexBob.D()
hkexAlice.FA()
fmt.Println(hkexAlice)
hkexBob.FA()
fmt.Println(hkexBob)
}