How to encrypt the mobile configuration profiles in iOS (in OTA deployments)?

Posted by user1353477 on Stack Overflow See other posts from Stack Overflow or by user1353477
Published on 2012-07-03T09:14:05Z Indexed on 2012/07/03 9:15 UTC
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ios

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ruby

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cocoa

I am trying to sign and encrypt .mobileconfig profiles for iOS devices. Signing works perfectly using openssl::pkcs7 sign function in ruby, however using encrypt function, I get an encrypted data but Safari fails to install the profile saying "Invalid Profile".

There are two questions in this regard:

Which data from the .mobileconfig profile is actually encrypted that goes into the .. section of the EncryptedPayloadContent ?
Is the data in binary format (.der) or base64 encoded?

Any help in this regard would be helpful as APPLE severly lacks any documentation in encrypting the profiles.

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