AaronFiore/electrum
1
0
Fork 0
Code Activity

labels: encrypt keys with deterministic iv

Browse Source
This commit is contained in:
ThomasV
2014-09-08 00:12:34 +02:00
parent 30a2a9ee51
commit 42bbce4cb3
1 changed files with 15 additions and 5 deletions
Download Patch File Download Diff File Expand all files Collapse all files

20
plugins/labels.py
View File

@@ -17,6 +17,8 @@ import PyQt4.QtCore as QtCore
import PyQt4.QtGui as QtGui import PyQt4.QtGui as QtGui
import aes import aes
import base64 import base64
import electrum
from electrum.plugins import BasePlugin, hook from electrum.plugins import BasePlugin, hook
from electrum.i18n import _ from electrum.i18n import _
@@ -31,18 +33,18 @@ class Plugin(BasePlugin):
return _('Label Sync') return _('Label Sync')
def description(self): def description(self):
return '%s\n\n%s%s%s' % (_("This plugin can sync your labels across multiple Electrum installs by using a remote database to save your data. Labels encrypted before they are sent to the remote server, but transactions IDs and addresses are not. This code might increase the load of your wallet with a few microseconds as it will sync labels on each startup."), _("To get started visit"), " http://labelectrum.herokuapp.com/ ", _(" to sign up for an account.")) return '%s\n\n%s%s%s' % (_("This plugin can sync your labels across multiple Electrum installs by using a remote database to save your data. Labels, transactions ids and addresses are encrypted before they are sent to the remote server. This code might increase the load of your wallet with a few microseconds as it will sync labels on each startup."), _("To get started visit"), " http://labelectrum.herokuapp.com/ ", _(" to sign up for an account."))
def version(self): def version(self):
return "0.2.1" return "0.2.1"
def encode(self, message): def encode(self, message):
encrypted = aes.encryptData(self.encode_password, unicode(message)) encrypted = electrum.bitcoin.aes_encrypt_with_iv(self.encode_password, self.encode_password, unicode(message))
encoded_message = base64.b64encode(encrypted) encoded_message = base64.b64encode(encrypted)
return encoded_message return encoded_message
def decode(self, message): def decode(self, message):
decoded_message = aes.decryptData(self.encode_password, base64.b64decode(unicode(message)) ) decoded_message = electrum.bitcoin.aes_decrypt_with_iv(self.encode_password, self.encode_password, base64.b64decode(unicode(message)) )
return decoded_message return decoded_message
@@ -182,12 +184,17 @@ class Plugin(BasePlugin):
try: try:
bundle = {"labels": {}} bundle = {"labels": {}}
for key, value in self.wallet.labels.iteritems(): for key, value in self.wallet.labels.iteritems():
try:
encoded_key = self.encode(key)
except:
print_error('cannot encode', repr(key))
continue
try: try:
encoded_value = self.encode(value) encoded_value = self.encode(value)
except: except:
print_error('cannot encode', repr(value)) print_error('cannot encode', repr(value))
continue continue
bundle["labels"][key] = encoded_value bundle["labels"][encoded_key] = encoded_value
params = json.dumps(bundle) params = json.dumps(bundle)
connection = httplib.HTTPConnection(self.target_host) connection = httplib.HTTPConnection(self.target_host)
@@ -221,7 +228,10 @@ class Plugin(BasePlugin):
raise BaseException(_("Could not sync labels: %s" % response["error"])) raise BaseException(_("Could not sync labels: %s" % response["error"]))
for label in response: for label in response:
key = label["external_id"] try:
key = self.decode(label["external_id"])
except:
continue
try: try:
value = self.decode(label["text"]) value = self.decode(label["text"])
except: except: