1 files changed, 19 insertions, 10 deletions

diff --git a/src/mailman_pgp/pgp/mime.py b/src/mailman_pgp/pgp/mime.py
index d593525..a2742f1 100644
--- a/src/mailman_pgp/pgp/mime.py
+++ b/src/mailman_pgp/pgp/mime.py
@@ -19,7 +19,7 @@
 from email.message import Message
 from email.utils import collapse_rfc2231_value
 
-from pgpy import PGPKey, PGPSignature
+from pgpy import PGPKey, PGPMessage, PGPSignature
 
 
 class PGPMIMEWrapper:
@@ -46,9 +46,10 @@ class PGPMIMEWrapper:
         protocol_param = collapse_rfc2231_value(self.msg.get_param('protocol'))
         content_subtype = self.msg.get_content_subtype()
 
-        return second_type == PGPMIMEWrapper._signed_subtype and \
-               content_subtype == 'signed' and \
-               protocol_param == PGPMIMEWrapper._signed_subtype
+        return \
+            second_type == PGPMIMEWrapper._signed_subtype and \
+            content_subtype == 'signed' and \
+            protocol_param == PGPMIMEWrapper._signed_subtype
 
     def is_encrypted(self):
         """
@@ -63,11 +64,12 @@ class PGPMIMEWrapper:
         content_subtype = self.msg.get_content_subtype()
         protocol_param = collapse_rfc2231_value(self.msg.get_param('protocol'))
 
-        return 'Version: 1' in first_part and \
-               first_type == PGPMIMEWrapper._encrypted_subtype and \
-               second_type == 'application/octet-stream' and \
-               content_subtype == 'encrypted' and \
-               protocol_param == PGPMIMEWrapper._encrypted_subtype
+        return \
+            'Version: 1' in first_part and \
+            first_type == PGPMIMEWrapper._encrypted_subtype and \
+            second_type == 'application/octet-stream' and \
+            content_subtype == 'encrypted' and \
+            protocol_param == PGPMIMEWrapper._encrypted_subtype
 
     def verify(self, key: PGPKey):
         """
@@ -81,4 +83,11 @@ class PGPMIMEWrapper:
         return key.verify(clear_text, signature)
 
     def decrypt(self, key: PGPKey):
-        pass
+        """
+
+        :param key:
+        :return:
+        """
+        msg_text = self.msg.get_payload(1).get_payload()
+        msg = PGPMessage.from_blob(msg_text)
+        return key.decrypt(msg)