A Dynamic Digital Copyright Protection Scheme
Bo Yang · Jisuanji gongcheng · 2006
By applying the linear space codes and the oblivious polynomial evaluation protocol,the paper constructs a scheme of generating electronic license and electronic license decryption key.Basing on the scheme,it gives a secure on-line electronic software installation scheme.Thus forms a digital copyright protection scheme.When the piracy occurring,the data supplier can trace the pirate and revoke the decryption ability of the pirate’s electronic license decryption key by updating the code vectors of the users.Reaching the aim of maintaining the digital copyright and protecting its legal right.It also makes the scheme has the character of dynamic revocation.The scheme has some other characters such as self-enforcement,direct non-repudiation,frameproof,and so on.