blob: b03d0b9e7ea81162ab45efedd64bc787544e72e0 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
|
package public
import (
"crypto/ed25519"
"fmt"
"strings"
"git.sigsum.org/sigsum-go/internal/fmtio"
"git.sigsum.org/sigsum-go/pkg/hex"
)
func Main(args []string) error {
if len(args) != 0 {
return fmt.Errorf("trailing arguments: %s", strings.Join(args, ", "))
}
s, err := fmtio.StringFromStdin()
if err != nil {
return fmt.Errorf("read stdin: %w", err)
}
priv, err := fmtio.SignerFromHex(s)
if err != nil {
return fmt.Errorf("parse key: %w", err)
}
pub, ok := priv.Public().(ed25519.PublicKey)
if !ok {
return fmt.Errorf("not an ed25519 key")
}
fmt.Printf("%s\n", hex.Serialize(pub[:]))
return nil
}
|
