1 files changed, 34 insertions, 0 deletions
diff --git a/generate-rsa-key b/generate-rsa-key
new file mode 100755
index 0000000..d73ba0d
--- /dev/null
+++ b/generate-rsa-key
@@ -0,0 +1,34 @@
+#!/usr/bin/python3
+# Copyright (C) 2017  Lars Wirzenius
+#
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU Affero General Public License as
+# published by the Free Software Foundation, either version 3 of the
+# License, or (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU Affero General Public License for more details.
+#
+# You should have received a copy of the GNU Affero General Public License
+# along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+
+import sys
+
+import Crypto.PublicKey.RSA
+
+
+RSA_KEY_BITS = 4096  # A nice, currently safe length
+
+key = Crypto.PublicKey.RSA.generate(RSA_KEY_BITS)
+
+filename = sys.argv[1]
+
+def write(filename, byts):
+    with open(filename, 'w') as f:
+        f.write(byts.decode('ascii'))
+
+write(filename, key.exportKey('PEM'))
+write(filename + '.pub', key.exportKey('OpenSSH'))