Add PyCrypto modules for public-key encryption to PGPPacket._crypto_module

Maintained by Dwayne C. Litzenberger [1,2,3].  Also add comments to
the _crypto_module definition, because the symmetric-key and
public-key entries are in different alphebetization blocks.

[1]: http://www.pycrypto.org/
[2]: https://www.dlitz.net/software/pycrypto/
[3]: https://github.com/dlitz/pycrypto/

diff --git a/gpg-migrate.py b/gpg-migrate.py
index 21bbc8cda08b0e99ab745823b15e53bf4e2cf1bb..13597292ada4e23f1531dd5ee9fdb4ea66171c1c 100755 (executable)
--- a/gpg-migrate.py
+++ b/gpg-migrate.py
@@ -11,6 +11,9 @@ import Crypto.Cipher.AES as _crypto_cipher_aes
 import Crypto.Cipher.Blowfish as _crypto_cipher_blowfish
 import Crypto.Cipher.CAST as _crypto_cipher_cast
 import Crypto.Cipher.DES3 as _crypto_cipher_des3
+import Crypto.PublicKey.DSA as _crypto_publickey_dsa
+import Crypto.PublicKey.ElGamal as _crypto_publickey_elgamal
+import Crypto.PublicKey.RSA as _crypto_publickey_rsa
 
 
 def _get_stdout(args, stdin=None):
@@ -136,12 +139,19 @@ class PGPPacket (dict):
         }
 
     _crypto_module = {
+        # symmetric-key encryption
         'aes with 128-bit key': _crypto_cipher_aes,
         'aes with 192-bit key': _crypto_cipher_aes,
         'aes with 256-bit key': _crypto_cipher_aes,
         'blowfish': _crypto_cipher_blowfish,
         'cast5': _crypto_cipher_cast,
         'tripledes': _crypto_cipher_des3,
+        # public-key encryption
+        'dsa (digital signature algorithm)': _crypto_publickey_dsa,
+        'elgamal (encrypt-only)': _crypto_publickey_elgamal,
+        'rsa (encrypt or sign)': _crypto_publickey_rsa,
+        'rsa encrypt-only': _crypto_publickey_rsa,
+        'rsa sign-only': _crypto_publickey_rsa,
         }
 
     _key_size = {  # in bits