Return the message index when decrypting group messages.

Applications can use the index to detect replays of the same message.

1 files changed, 1 insertions, 1 deletions

diff --git a/python/olm/__main__.py b/python/olm/__main__.py
index cf9158d..eb76301 100755
--- a/python/olm/__main__.py
+++ b/python/olm/__main__.py
@@ -328,7 +328,7 @@ def do_group_decrypt(args):
     session = InboundGroupSession()
     session.unpickle(args.key, read_base64_file(args.session_file))
     message = args.message_file.read()
-    plaintext = session.decrypt(message)
+    plaintext, message_index = session.decrypt(message)
     with open(args.session_file, "wb") as f:
         f.write(session.pickle(args.key))
     args.plaintext_file.write(plaintext)