init commit of 24.0.1 custom signet image

rpcauth.py

@@ -0,0 +1,43 @@
+#!/usr/bin/env python3
+# Copyright (c) 2015-2021 The Bitcoin Core developers
+# Distributed under the MIT software license, see the accompanying
+# file COPYING or http://www.opensource.org/licenses/mit-license.php.
+
+from argparse import ArgumentParser
+from base64 import urlsafe_b64encode
+from getpass import getpass
+from os import urandom
+
+import hmac
+
+def generate_salt(size):
+    """Create size byte hex salt"""
+    return urandom(size).hex()
+
+def generate_password():
+    """Create 32 byte b64 password"""
+    return urlsafe_b64encode(urandom(32)).decode('utf-8')
+
+def password_to_hmac(salt, password):
+    m = hmac.new(bytearray(salt, 'utf-8'), bytearray(password, 'utf-8'), 'SHA256')
+    return m.hexdigest()
+
+def main():
+    parser = ArgumentParser(description='Create login credentials for a JSON-RPC user')
+    parser.add_argument('username', help='the username for authentication')
+    parser.add_argument('password', help='leave empty to generate a random password or specify "-" to prompt for password', nargs='?')
+    args = parser.parse_args()
+
+    if not args.password:
+        args.password = generate_password()
+    elif args.password == '-':
+        args.password = getpass()
+
+    # Create 16 byte hex salt
+    salt = generate_salt(16)
+    password_hmac = password_to_hmac(salt, args.password)
+
+    print('{0}:{1}${2}'.format(args.username, salt, password_hmac))
+
+if __name__ == '__main__':
+    main()