Stub out a PGPPacket._key_size dictionary

The string-to-key algorithm needs to know the key size, so record an
algorithm's key size (in bits) for easy lookup.  The AES key sizes
seem pretty obvious ;).

diff --git a/gpg-migrate.py b/gpg-migrate.py
index f8c1fd488934357da431f9f17940c46d0486ed6f..d8ae5ac12bd967e52f17d866a4a0a739642a0231 100755 (executable)
--- a/gpg-migrate.py
+++ b/gpg-migrate.py
@@ -123,6 +123,12 @@ class PGPPacket (dict):
         'tripledes': _crypto_cipher_des3,
         }
 
+    _key_size = {  # in bits
+        'aes with 128-bit key': 128,
+        'aes with 192-bit key': 192,
+        'aes with 256-bit key': 256,
+        }
+
     _compression_algorithms = {
         0: 'uncompressed',
         1: 'zip',