not fin

pgpcrypt/crypt.go

@@ -0,0 +1,79 @@
+package pgpcrypt
+
+import (
+	"bytes"
+	"io"
+	"io/ioutil"
+	"time"
+
+	"golang.org/x/crypto/openpgp"
+)
+
+// Encrypt - pgp encrypt func
+func Encrypt(key openpgp.EntityList, src io.Reader, dst io.Writer) error {
+	fileHint := &openpgp.FileHints{}
+	fileHint.IsBinary = true
+	fileHint.ModTime = time.Now()
+
+	encWriter, err := openpgp.Encrypt(dst, key, nil, fileHint, nil)
+	if err != nil {
+		return err
+	}
+
+	_, err = io.Copy(encWriter, src)
+	if err != nil {
+		return err
+	}
+
+	return nil
+}
+
+// EncryptBytes -
+func EncryptBytes(key openpgp.EntityList, src io.Reader) ([]byte, error) {
+	buf := new(bytes.Buffer)
+
+	fileHint := &openpgp.FileHints{}
+	fileHint.IsBinary = true
+
+	encWriter, err := openpgp.Encrypt(buf, key, nil, fileHint, nil)
+	if err != nil {
+		return nil, err
+	}
+
+	_, err = io.Copy(encWriter, src)
+	if err != nil {
+		return nil, err
+	}
+
+	encBytes, err := ioutil.ReadAll(buf)
+	if err != nil {
+		return nil, err
+	}
+
+	return encBytes, nil
+}
+
+// Decrypt - pgp decrypt func
+func Decrypt(key *openpgp.Entity, keyPassword string, src io.Reader, dst io.Writer) error {
+	// decode private key
+	passphraseByte := []byte(keyPassword)
+	key.PrivateKey.Decrypt(passphraseByte)
+	for _, sub := range key.Subkeys {
+		sub.PrivateKey.Decrypt(passphraseByte)
+	}
+
+	var keyList openpgp.EntityList
+	keyList = append(keyList, key)
+
+	md, err := openpgp.ReadMessage(src, keyList, nil, nil)
+	if err != nil {
+		return err
+	}
+
+	_, err = io.Copy(dst, md.UnverifiedBody)
+	if err != nil {
+		return err
+	}
+
+	return nil
+}

pgpcrypt/keys.go

@@ -0,0 +1,30 @@
+package pgpcrypt
+
+import (
+	"io"
+
+	"golang.org/x/crypto/openpgp"
+)
+
+// ReadKeyFile - read key from file
+func ReadKeyFile(r io.Reader) (openpgp.EntityList, error) {
+	keys, err := openpgp.ReadArmoredKeyRing(r)
+	if err != nil {
+		keys, err = openpgp.ReadKeyRing(r)
+		if err != nil {
+			return nil, err
+		}
+	}
+
+	return keys, nil
+}
+
+// CombineKeys - combine key
+func CombineKeys(keys ...openpgp.EntityList) openpgp.EntityList {
+	var keyList openpgp.EntityList
+	for _, key := range keys {
+		keyList = append(keyList, key...)
+	}
+
+	return keyList
+}