Tor framework for the iCepa project
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Xcode 9.3, Tor, OpenSSL 1.1.0g
Latest commit 479e377 May 2, 2018


Carthage Compatible Travis CI

Tor.framework is the easiest way to embed Tor in your iOS application. The API is not stable yet, and subject to change.

Currently, the framework compiles in static versions of tor, libevent, openssl, and liblzma:

libevent 2.1.8
OpenSSL 1.1.0g
liblzma 5.2.3


  • iOS 8.0 or later
  • Xcode 7.0 or later
  • autoconf, automake, libtool and gettext in your PATH


Embedded frameworks require a minimum deployment target of iOS 8 or OS X Mavericks (10.9).

If you use brew, make sure to install autoconf, automake, libtool and gettext:

brew install automake autoconf libtool gettext


To integrate Tor into your Xcode project using Carthage, specify it in your Cartfile:

github "iCepa/Tor.framework" "master"


Starting an instance of Tor involves using three classes: TORThread, TORConfiguration and TORController.

Here is an example of integrating Tor with NSURLSession:

TORConfiguration *configuration = [TORConfiguration new];
configuration.cookieAuthentication = @(YES);
configuration.dataDirectory = [NSURL URLWithString:NSTemporaryDirectory()];
configuration.controlSocket = [configuration.dataDirectory URLByAppendingPathComponent:@"control_port"];
configuration.arguments = @[@"--ignore-missing-torrc"];

TORThread *thread = [[TORThread alloc] initWithConfiguration:configuration];
[thread start];

NSURL *cookieURL = [configuration.dataDirectory URLByAppendingPathComponent:@"control_auth_cookie"];
NSData *cookie = [NSData dataWithContentsOfURL:cookieURL];
TORController *controller = [[TORController alloc] initWithSocketURL:configuration.controlSocket];
[controller authenticateWithData:cookie completion:^(BOOL success, NSError *error) {
    if (!success)
    [controller addObserverForCircuitEstablished:^(BOOL established) {
        if (!established)
        [controller getSessionConfiguration:^(NSURLSessionConfiguration *configuration) {
            NSURLSession *session = [NSURLSession sessionWithConfiguration:configuration];


Tor.framework is available under the MIT license. See the LICENSE file for more info.