flag.Parse()
data, err := io.ReadAll(os.Stdin)
if err != nil {
- log.Fatalln(err)
+ log.Fatal(err)
}
b, _ := pem.Decode(data)
if b == nil || b.Type != "CERTIFICATE" {
- log.Fatalln("no CERTIFICATE")
+ log.Fatal("no CERTIFICATE")
}
cer, err := x509.ParseCertificate(b.Bytes)
if err != nil {
- log.Fatalln(err)
+ log.Fatal(err)
}
h := sha256.Sum256(cer.RawSubjectPublicKeyInfo)
fmt.Println(hex.EncodeToString(h[:]))