do not base64encode signatures in requests

gui/qt/main_window.py

@@ -23,7 +23,7 @@ import socket
 import webbrowser
 import csv
 from decimal import Decimal
-
+import base64
 
 import PyQt4
 from PyQt4.QtGui import *
@@ -1983,6 +1983,7 @@ class ElectrumWindow(QMainWindow):
         message = message.encode('utf-8')
         try:
             sig = self.wallet.sign_message(str(address.text()), message, password)
+            sig = base64.b64encode(sig)
             signature.setText(sig)
         except Exception as e:
             self.show_message(str(e))
@@ -1990,7 +1991,8 @@ class ElectrumWindow(QMainWindow):
     def do_verify(self, address, message, signature):
         message = unicode(message.toPlainText())
         message = message.encode('utf-8')
-        if bitcoin.verify_message(address.text(), str(signature.toPlainText()), message):
+        sig = base64.b64decode(str(signature.toPlainText()))
+        if bitcoin.verify_message(address.text(), sig, message):
             self.show_message(_("Signature verified"))
         else:
             self.show_message(_("Error: wrong signature"))

lib/bitcoin.py

@@ -488,7 +488,7 @@ class EC_KEY(object):
     def sign_message(self, message, compressed, address):
         signature = self.sign(Hash(msg_magic(message)))
         for i in range(4):
-            sig = base64.b64encode(chr(27 + i + (4 if compressed else 0)) + signature)
+            sig = chr(27 + i + (4 if compressed else 0)) + signature
             try:
                 self.verify_message(address, sig, message)
                 return sig
@@ -498,8 +498,7 @@ class EC_KEY(object):
             raise Exception("error: cannot sign message")
 
     @classmethod
-    def verify_message(self, address, signature, message):
-        sig = base64.b64decode(signature)
+    def verify_message(self, address, sig, message):
         if len(sig) != 65:
             raise Exception("Wrong encoding")
         nV = ord(sig[0])

lib/commands.py

@@ -24,6 +24,7 @@ import copy
 import argparse
 import json
 import ast
+import base64
 from functools import wraps
 from decimal import Decimal
 
@@ -361,12 +362,14 @@ class Commands:
     def signmessage(self, address, message):
         """Sign a message with a key. Use quotes if your message contains
         whitespaces"""
-        return self.wallet.sign_message(address, message, self.password)
+        sig = self.wallet.sign_message(address, message, self.password)
+        return base64.b64encode(sig)
 
     @command('')
     def verifymessage(self, address, signature, message):
         """Verify a signature."""
-        return bitcoin.verify_message(address, signature, message)
+        sig = base64.b64decode(signature)
+        return bitcoin.verify_message(address, sig, message)
 
     def _mktx(self, outputs, fee, change_addr, domain, nocheck, unsigned):
         self.nocheck = nocheck

plugins/btchipwallet.py

@@ -5,7 +5,6 @@ from binascii import hexlify
 from struct import pack,unpack
 from sys import stderr
 from time import sleep
-from base64 import b64encode, b64decode
 
 import electrum
 from electrum_gui.qt.password_dialog import make_password_dialog, run_password_dialog
@@ -345,8 +344,7 @@ class BTChipWallet(BIP32_HD_Wallet):
         s = str(s)
 
         # And convert it
-
-        return b64encode(chr(27 + 4 + (signature[0] & 0x01)) + r + s)
+        return chr(27 + 4 + (signature[0] & 0x01)) + r + s
 
     def sign_transaction(self, tx, password):
         if tx.is_complete():

plugins/greenaddress_instant.py

@@ -80,6 +80,7 @@ class Plugin(BasePlugin):
             addr = self.get_my_addr(tx)
             message = "Please verify if %s is GreenAddress instant confirmed" % tx.hash()
             sig = self.wallet.sign_message(addr, message, password)
+            sig = base64.b64encode(sig)
 
             # 2. send the request
             response = requests.request("GET", ("https://greenaddress.it/verify/?signature=%s&txhash=%s" % (urllib.quote(sig), tx.hash())),

plugins/trezor.py

@@ -2,7 +2,6 @@ from binascii import unhexlify
 from struct import pack
 from sys import stderr
 from time import sleep
-from base64 import b64encode, b64decode
 import unicodedata
 import threading
 import re
@@ -459,8 +458,7 @@ class TrezorWallet(BIP32_HD_Wallet):
             give_error(e)
         finally:
             self.plugin.handler.stop()
-        b64_msg_sig = b64encode(msg_sig.signature)
-        return str(b64_msg_sig)
+        return msg_sig.signature
 
     def sign_transaction(self, tx, password):
         if tx.is_complete():