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package main
import (
"context"
"encoding/hex"
"flag"
"fmt"
"log"
"git.sigsum.org/sigsum-log-go/pkg/dns"
"git.sigsum.org/sigsum-log-go/pkg/types"
)
var (
vk = flag.String("vk", "5aed7ffc3bc088221f6579567b2e6e3c4ac3579bd5e77670755179052c68d5d3", "verification key (hex)")
domain_hint = flag.String("domain_hint", "example.com", "domain name that is aware of public key hash in hex")
)
func main() {
flag.Parse()
var key [types.VerificationKeySize]byte
mustDecodeHex(*vk, key[:])
vf := dns.NewDefaultResolver()
if err := vf.Verify(context.Background(), *domain_hint, &key); err != nil {
log.Fatal(err)
}
fmt.Println("Success!")
}
func mustDecodeHex(s string, buf []byte) {
b, err := hex.DecodeString(s)
if err != nil {
log.Fatal(err)
}
if len(b) != len(buf) {
log.Fatal("bad flag: invalid buffer length")
}
copy(buf, b)
}
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