1 files changed, 30 insertions, 0 deletions
diff --git a/devscripts/gh-pages/sign_versions.py b/devscripts/gh-pages/sign_versions.py
new file mode 100755
index 000000000..5d94a3a03
--- /dev/null
+++ b/devscripts/gh-pages/sign_versions.py
@@ -0,0 +1,30 @@
+#! /usr/bin/env python3
+
+import rsa
+import json
+from binascii import hexlify
+
+# TODO path discovery
+versions_info = json.load(open('update/versions.json'))
+if 'signature' in versions_info:
+	del versions_info['signature']
+
+
+print('Enter the PKCS1 private key, followed by a blank line:')
+privkey = ''
+while True:
+	try:
+		line = input()
+	except EOFError:
+		break
+	if line == '':
+		break
+	privkey += line + '\n'
+privkey = bytes(privkey, 'ascii')
+privkey = rsa.PrivateKey.load_pkcs1(privkey)
+
+signature = hexlify(rsa.pkcs1.sign(json.dumps(versions_info, sort_keys=True).encode('utf-8'), privkey, 'SHA-256')).decode()
+print('signature: ' + signature)
+
+versions_info['signature'] = signature
+json.dump(versions_info, open('update/versions.json', 'w'), indent=4, sort_keys=True)
+\ No newline at end of file