1// Copyright 2020 ConsenSys AG
 2//
 3// Licensed under the Apache License, Version 2.0 (the "License");
 4// you may not use this file except in compliance with the License.
 5// You may obtain a copy of the License at
 6//
 7//     http://www.apache.org/licenses/LICENSE-2.0
 8//
 9// Unless required by applicable law or agreed to in writing, software
10// distributed under the License is distributed on an "AS IS" BASIS,
11// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12// See the License for the specific language governing permissions and
13// limitations under the License.
14
15package main
16
17import (
18    "fmt"
19    "os"
20	"crypto/ed25519"
21	"crypto/rand"
22	"github.com/consensys/gnark/std/math/emulated"
23)
24
25
26
27func main() {
28    err := mainImpl()
29    if err != nil {
30        fmt.Println(err)
31        os.Exit(1)
32    }
33}
34
35func mainImpl() error {
36	pubKey, privKey, err := ed25519.GenerateKey(rand.Reader)
37	fmt.Println(pubKey)
38	fmt.Println(privKey)
39	message := []byte("string")
40	sig := ed25519.Sign(privKey, message)
41	fmt.Println(sig)
42	verified := ed25519.Verify(pubKey, message, sig)
43	fmt.Println(verified)
44
45	verifiedFalse := ed25519.Verify(pubKey, []byte("string1"), sig)
46	fmt.Println(verifiedFalse)
47
48	ele := emulated.NewElement[emulated.BN254Fp](1)
49	fmt.Println(ele)
50
51	if err != nil {
52		return err
53	}
54	return nil
55
56}