drm

问题 Is it possible to protect flv files from download? I'd like to protect my files from download but I don't have the money for a streaming server which I think provides some sort of protection. The files are streamed via PHP and are located in an upload folder on my server. I've used PHP to ensure that only subscribers can view the video but I basically want to go a step further and prevent subscribers from, upon login, downloading my videos with downloaders such as Sothink Flv Downloader for

问题 Since Flash is losing ground I would like to know if there are ways to protect html5 videos with DRM (H264, .ogg and WebM). 回答1: On the W3C FAQ on HTML5 it states: Is there support for digital rights management (DRM) in HTML5 video? HTML5 doesn't provide direct support, nor any barrier, to using DRM in video. It currently expects this to be handled by the particular codec/implementation. There are implementations which allow for DRM in HTML5 video. Is dealing with DRM in scope for HTML5? If

问题 Anyone visiting a torrent tracker is sure to find droves of "cracked" programs ranging from simple shareware to software suites costing thousands of dollars. It seems that as long as the program does not rely on a remote service (e.g. an MMORPG) that any built-in copy protection or user authentication is useless. Is it effectively not possible to prevent a cracker from circumventing the copy protection? Why? 回答1: Sorry to bust in on an ancient thread, but this is what we do for a living and

问题 I would like to know if an MPMediaItem that represents a music track is for a Fairplay/DRM-protected item. Any way to do this? 回答1: Here's how I do it: MPMediaItem* item; NSURL* assetURL = [item valueForProperty:MPMediaItemPropertyAssetURL]; NSString *title=[item valueForProperty:MPMediaItemPropertyTitle]; if (!assetURL) { /* * !!!: When MPMediaItemPropertyAssetURL is nil, it typically means the file * in question is protected by DRM. (old m4p files) */ NSLog(@"%@ has DRM",title); } 回答2: