/
key.go
56 lines (48 loc) · 1.18 KB
/
key.go
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package pgp
import (
"golang.org/x/crypto/openpgp/packet"
"bytes"
"errors"
"golang.org/x/crypto/openpgp/armor"
"golang.org/x/crypto/openpgp"
)
func getPublicKeyPacket(publicKey []byte) (*packet.PublicKey, error) {
publicKeyReader := bytes.NewReader(publicKey)
block, err := armor.Decode(publicKeyReader)
if err != nil {
return nil, err
}
if block.Type != openpgp.PublicKeyType {
return nil, errors.New("Invalid public key data")
}
packetReader := packet.NewReader(block.Body)
pkt, err := packetReader.Next()
if err != nil {
return nil, err
}
key, ok := pkt.(*packet.PublicKey)
if !ok {
return nil, err
}
return key, nil
}
func getPrivateKeyPacket(privateKey []byte) (*packet.PrivateKey, error) {
privateKeyReader := bytes.NewReader(privateKey)
block, err := armor.Decode(privateKeyReader)
if err != nil {
return nil, err
}
if block.Type != openpgp.PrivateKeyType {
return nil, errors.New("Invalid private key data")
}
packetReader := packet.NewReader(block.Body)
pkt, err := packetReader.Next()
if err != nil {
return nil, err
}
key, ok := pkt.(*packet.PrivateKey)
if !ok {
return nil, errors.New("Unable to cast to Private Key")
}
return key, nil
}