Use pysequoia for data encryption

GnuPG/__init__.py

@@ -27,7 +27,7 @@ import random
 import string
 import sys
 import logging
-
+from pysequoia import Cert, Store
 
 LINE_FINGERPRINT = 'fpr'
 LINE_USER_ID = 'uid'
@@ -142,11 +142,15 @@ class GPGEncryptor:
     def __init__(self, keyhome, recipients=None, charset=None):
         """Initialise the wrapper."""
         self._keyhome = keyhome
+        self._store = Store(keyhome)
         self._message = b''
         self._recipients = list()
+        self._keys = list()
         self._charset = charset
         if recipients is not None:
             self._recipients.extend(recipients)
+        for recipient in recipients:
+            self._keys.append(store.get(recipient))
 
     def update(self, message):
         """Append MESSAGE to buffer about to be encrypted."""
@@ -155,8 +159,11 @@ class GPGEncryptor:
     def encrypt(self):
         """Feed GnuPG with the message."""
         p = subprocess.Popen(self._command(), stdin=subprocess.PIPE, stdout=subprocess.PIPE, stderr=subprocess.PIPE)
-        encdata = p.communicate(input=self._message)[0]
-        return (encdata, p.returncode)
+        try:
+            encrypted = pysequoia.encrypt(recipients = self._keys, bytes = self._message)
+            return (str(encrypted), 0)
+        except:
+            return ("", 1)
 
     def _command(self):
         cmd = _build_command(self._keyhome, "--trust-model", "always", "--batch", "--yes", "--pgp7", "--no-secmem-warning", "-a", "-e")