How to remove wmv and other video authentication methods

Http://undrm.info/faq/removing-DRM/faq-Remove-DRM-from-WMV-ASF-WMA-Windows-Media-files-with-valid-licenses-using-Automate-unDRM.htm

 

methods for cracking WMA and WMV certificates (DRM) 1
methods for cracking WMA and WMV certificates 2008-02-01 14: methods for cracking 36wma and WMV certificates
recently many WMA. all WMV movies require a download license, which means copyright protection. In fact, this technology is used for advertising. Special hate.
how to crack the video file license?
DRM (Digital Rights Manager) Introduction
there are two types of digital copyright protection methods: Data Encryption and anti-copy-protection, the other is digital watermarking.
data encryption and anti-copy are the core DRM technologies that encrypt digital content. Only authorized users can obtain decryption keys, in addition, the key can be bound to the user's hardware information. Encryption technology, coupled with hardware binding technology, prevents illegal copying. This technology can effectively protect copyrights. At present, most computer companies and research institutions at home and abroad adopt this method, there are different DRM systems for various application fields:
(1) DRM for streaming media
DRM for streaming media mainly includes Microsoft Windows Media DRM and real DRM.
(2) DRM system of ebook
the DRM Technology of ebook is relatively mature, and there are many applications at home and abroad. Foreign ebook DRM systems include Microsoft Das, adobecontent server (formerly glassbook Content Server), and domestic ebookdrm systems include the founder Apabi Digital Copyright Protection System.
(3) DRM of electronic documents
DRM of electronic documents includes sealedmedia Enterprise License Server, authentica active rights management, founder Apabi office DRM, and founder Apabi ceb drm.
(4) Other DRM Research Work
Other DRM research work involves intertrust digibox and rights | system, and IBM cryptolope, these systems focus on the study of the basic principles of DRM, not specific to a specific type of digital content.