using opencv framework in ios

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Has anyone successfully used opencv framework that is available for download on the opencv website in an ios project. When I try to use the framework I get errors on installing the app saying that info.plist has some msising keys. So I have manually added those keys but post that I get errors that "The application does not have a valid signature". I added the code sign on copy in xcode project but I now get that the application does not have a valid signature.