Add keyfile parser, creater

crypto_dev_signer/runnable/keyfile.py

@@ -1,8 +1,43 @@
 # standard imports
+import os
 import logging
 import sys
+import json
+import argparse
+
+# external impors
+import coincurve
 
 # local imports
-from crypto_dev_signer.keystore.keyfile import parse_file
+from crypto_dev_signer.keystore.keyfile import (
+        from_file,
+        to_dict,
+        )
 
-print(from_file(sys.argv[1]).hex())
+
+logging.basicConfig(level=logging.WARNING)
+logg = logging.getLogger()
+
+argparser = argparse.ArgumentParser()
+argparser.add_argument('-d', type=str, help='decrypt file')
+argparser.add_argument('-v', action='store_true', help='be verbose')
+argparser.add_argument('arg', type=str, help='decrypt file')
+args = argparser.parse_args()
+
+if args.v:
+    logg.setLevel(logging.DEBUG)
+
+r = None
+if args.d:
+    try:
+        r = from_file(args.d, args.arg).hex()
+    except AssertionError:
+        sys.stderr.write('Invalid passphrase\n')
+        sys.exit(1)
+else:
+    pk_bytes = os.urandom(32)
+    pk = coincurve.PrivateKey(secret=pk_bytes)
+    o = to_dict(pk, args.arg)
+    r = json.dumps(o)
+
+print(r)