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main.go
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main.go
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package main
import (
"bufio"
flag "github.com/spf13/pflag"
"fmt"
"log"
"os"
"strings"
"github.com/bbjubjub2494/age-hier/go/impl"
)
func main() {
var i uint
flag.UintVarP(&i, "index", "i", 0, "index of private key to derive")
flag.Parse()
if flag.NArg() > 0 {
flag.Usage()
os.Exit(2)
}
if i >= 1<<31 {
log.Fatalln("index out of range (maximum 2**31)")
}
var path = []uint32{44, 753, 0, 0, uint32(i)}
stdinbuf := bufio.NewReader(os.Stdin)
input := func(prompt string) string {
os.Stderr.WriteString(prompt)
line, err := stdinbuf.ReadString('\n')
if err != nil {
log.Fatal("error reading", err)
}
return strings.TrimSpace(line)
}
mnemonic := input("enter mnemonic: ")
passphrase := input("enter passphrase: ")
n, err := impl.FromMnemonic(mnemonic, passphrase)
if err != nil {
log.Fatalln("invalid mnemonic:", err)
}
for _, d := range path {
n = n.Derive(d)
}
enc_sk := n.EncodedPrivateKey()
fmt.Println(enc_sk)
}