fix multisig update_password

lib/storage.py

@@ -84,7 +84,7 @@ class WalletStorage(PrintError):
 
     def set_password(self, pw, encrypt):
         """Set self.pubkey"""
-        self.put('use_encryption', (pw is not None))
+        self.put('use_encryption', bool(pw))
         self.decrypt(None, pw if encrypt else None)
 
     def is_encrypted(self):

lib/wallet.py

@@ -1682,12 +1682,12 @@ class Multisig_Wallet(Deterministic_Wallet, P2SH):
     def get_keystores(self):
         return [self.keystores[i] for i in sorted(self.keystores.keys())]
 
-    def update_password(self, old_pw, new_pw):
+    def update_password(self, old_pw, new_pw, encrypt=False):
         for name, keystore in self.keystores.items():
             if keystore.can_change_password():
                 keystore.update_password(old_pw, new_pw)
                 self.storage.put(name, keystore.dump())
-        self.storage.set_password(new_pw)
+        self.storage.set_password(new_pw, encrypt)
 
     def check_password(self, password):
         self.keystore.check_password(password)

plugins/trustedcoin/trustedcoin.py

@@ -442,8 +442,8 @@ class TrustedCoinPlugin(BasePlugin):
         long_user_id, short_id = get_user_id(storage)
         xpub3 = make_xpub(signing_xpub, long_user_id)
         k3 = keystore.from_xpub(xpub3)
-        storage.put('use_encryption', bool(password))
         storage.put('x3/', k3.dump())
+        storage.set_password(password, encrypt)
         wizard.wallet = Wallet_2fa(storage)
         wizard.create_addresses()