1 files changed, 29 insertions, 0 deletions

diff --git a/src/mailman_pgp/utils/pgp.py b/src/mailman_pgp/utils/pgp.py
index 7b2f958..0e1e75c 100644
--- a/src/mailman_pgp/utils/pgp.py
+++ b/src/mailman_pgp/utils/pgp.py
@@ -16,6 +16,7 @@
 # this program.  If not, see <http://www.gnu.org/licenses/>.
 
 """Miscellaneous PGP utilities."""
+from pgpy import PGPKey
 from public import public
 
 
@@ -47,3 +48,31 @@ def hashes(verifications):
             hasher = sigsubj.signature.hash_algorithm.hasher
             hasher.update(data)
             yield hasher.digest()
+
+
+@public
+def key_from_blob(blob):
+    """
+
+    :param blob:
+    :return:
+    """
+    keys = PGPKey.from_blob(blob)
+    if isinstance(keys, tuple):
+        return keys[0]
+    else:
+        return keys
+
+
+@public
+def key_from_file(file):
+    """
+
+    :param file:
+    :return:
+    """
+    keys = PGPKey.from_file(file)
+    if isinstance(keys, tuple):
+        return keys[0]
+    else:
+        return keys