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key.go
57 lines (41 loc) · 926 Bytes
/
key.go
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package openpgp
import (
"bytes"
"io"
"os"
"github.com/ProtonMail/go-crypto/openpgp"
)
func readKey(path string) (io.Reader, error) {
byteData, err := os.ReadFile(path)
if err != nil {
return nil, err
}
return bytes.NewReader(byteData), nil
}
func readPGPKey(path string) (openpgp.EntityList, error) {
gpgKeyReader, err := readKey(path)
if err != nil {
return nil, err
}
entityList, err := openpgp.ReadArmoredKeyRing(gpgKeyReader)
if err != nil {
return nil, err
}
return entityList, nil
}
func decryptSecretKey(entityList openpgp.EntityList, passphrase string) error {
passphraseBytes := []byte(passphrase)
for _, entity := range entityList {
err := entity.PrivateKey.Decrypt(passphraseBytes)
if err != nil {
return err
}
for _, subKey := range entity.Subkeys {
err := subKey.PrivateKey.Decrypt(passphraseBytes)
if err != nil {
return err
}
}
}
return nil
}