Doctorow, Cory. Microsoft Research DRM Talk // craphound.com. Архивиран от оригинала на 2010-01-02. Посетен на 17 август 2007г. "At the end of the day, all DRM systems share a common vulnerability: they provide their attackers with ciphertext, the cipher and the key. At this point, the secret isn't a secret anymore"
Doctorow, Cory. Microsoft Research DRM Talk // craphound.com. Архивиран от оригинала на 2010-01-02. Посетен на 17 август 2007г. "At the end of the day, all DRM systems share a common vulnerability: they provide their attackers with ciphertext, the cipher and the key. At this point, the secret isn't a secret anymore"