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iosencryption
Rijo Payyappilly
Rijo Payyappilly

Reputation: 801

Encrypt a video file IOS

I have an ios application that contains video files in it. I'm concerned about users with jailbroken phones being able to rip these videos out of the app.

One of the solutions I thought might work would be to encrypt the videos, and save it in library and at the time of playing I would decrypt it and play it .. But the problem is since the video are of bigger size , encryption takes a long time .

I am looking for some alternatives.. please help

Upvotes: 1

Views: 2157

Answers (2)

Sysyphus
Sysyphus

Reputation: 1051

In practice, keeping users from access video files while still allowing users to, well, access video files, tends to rely on just making it annoying enough that users decide they have better things to do.

Basically, make people jump through hoops to access a file, while your app handles that for them. Randomly generate time limited URLs in response to a request with authentication details to an secret https URL which changes regularly. Use a custom format which your app can read, but other people need to mess around with to read. Ultimately, a user can always reverse engineer your app to access whatever keys you're using, use a packet sniffer to copy the stream as the app is playing it, or one of a dozen other methods. All you can do is try to make it harder to do.

Upvotes: 1

Srikar Appalaraju
Srikar Appalaraju

Reputation: 73628

Its a good idea to not package media like videos into your app binary. Since it has some negatives -

  1. Your app size becomes big and its good to keep your app size as small as possible to enable faster download times.
  2. Incase of any change in the media you would have to repackage the entire app and again submit to the app store.

So a better approach is to provide http links to the media in the app code. So for you you would hardcode the link in your app code like http://mywebsite.com/myvideo.mp4. That way its kinda secure, plus if you need to change the video all you need to do is replace this myvideo.mp4 with the new video and your app need not be touched at all.

Upvotes: 0

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