wrapper for mobile

armor.go

@@ -0,0 +1,61 @@
+package pm
+
+import (
+	"bytes"
+	"io/ioutil"
+	"strings"
+
+	"golang.org/x/crypto/openpgp/armor"
+)
+
+// AromrType ...
+type AromrType string
+
+func (at AromrType) string() string {
+	return string(at)
+}
+
+const (
+	pgpMessageType      AromrType = "PGP MESSAGE"
+	pgpPublicBlockType  AromrType = "PGP PUBLIC KEY BLOCK"
+	pgpPrivateBlockType AromrType = "PGP PRIVATE KEY BLOCK"
+)
+
+// ArmorKey make bytes input key to armor format
+func ArmorKey(input []byte) (string, error) {
+	return ArmorWithType(input, pgpPublicBlockType.string())
+}
+
+// ArmorWithType make bytes input to armor format
+func ArmorWithType(input []byte, armorType string) (string, error) {
+	var b bytes.Buffer
+	w, err := armor.Encode(&b, armorType, nil)
+	if err != nil {
+		return "", err
+	}
+	_, err = w.Write(input)
+	if err != nil {
+		return "", err
+	}
+	w.Close()
+	return b.String(), nil
+}
+
+// UnArmor an armored key to bytes key
+func UnArmor(input string) ([]byte, error) {
+	b, err := unArmor(input)
+	if err != nil {
+		return nil, err
+	}
+	return ioutil.ReadAll(b.Body)
+}
+
+func unArmor(input string) (*armor.Block, error) {
+	io := strings.NewReader(input)
+	b, err := armor.Decode(io)
+	if err != nil {
+		return nil, err
+	}
+	return b, nil
+
+}