33 lines
799 B
Go
33 lines
799 B
Go
package key
|
|
|
|
import (
|
|
"bytes"
|
|
"encoding/hex"
|
|
"errors"
|
|
|
|
"github.com/ProtonMail/go-pm-crypto/armor"
|
|
"golang.org/x/crypto/openpgp"
|
|
)
|
|
|
|
// GetFingerprint gets an armored public key fingerprint
|
|
func GetFingerprint(publicKey string) (string, error) {
|
|
rawPubKey, err := armor.Unarmor(publicKey)
|
|
if err != nil {
|
|
return "", err
|
|
}
|
|
return GetFingerprintBinKey(rawPubKey)
|
|
}
|
|
|
|
// GetFingerprintBinKey gets an unarmored public key fingerprint
|
|
func GetFingerprintBinKey(publicKey []byte) (string, error) {
|
|
pubKeyReader := bytes.NewReader(publicKey)
|
|
pubKeyEntries, err := openpgp.ReadKeyRing(pubKeyReader)
|
|
if err != nil {
|
|
return "", err
|
|
}
|
|
for _, e := range pubKeyEntries {
|
|
fp := e.PrimaryKey.Fingerprint
|
|
return hex.EncodeToString(fp[:]), nil
|
|
}
|
|
return "", errors.New("can't find public key")
|
|
}
|