33 lines
776 B
Go
33 lines
776 B
Go
package key
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import (
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"bytes"
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"encoding/hex"
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"errors"
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"golang.org/x/crypto/openpgp"
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"proton/pmcrypto/armor"
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)
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// GetFingerprint get a armored public key fingerprint
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func GetFingerprint(publicKey string) (string, error) {
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rawPubKey, err := armor.UnArmor(publicKey)
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if err != nil {
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return "", err
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}
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return GetFingerprintBinKey(rawPubKey)
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}
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// GetFingerprintBinKey get a unarmored public key fingerprint
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func GetFingerprintBinKey(publicKey []byte) (string, error) {
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pubKeyReader := bytes.NewReader(publicKey)
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pubKeyEntries, err := openpgp.ReadKeyRing(pubKeyReader)
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if err != nil {
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return "", err
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}
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for _, e := range pubKeyEntries {
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fp := e.PrimaryKey.Fingerprint
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return hex.EncodeToString(fp[:]), nil
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}
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return "", errors.New("Can't find public key")
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}
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