Patent ID: 9325680
Filing Date: 2016-04-26
CPC Classification: G06F,H04L

Claim Text:
1. A method comprising: digitally signing, by a digital rights management system, a certificate with a private key in response to receiving a credentials request for a user from a client device via a data network, wherein the signed certificate is usable by the client device for authentication with multiple unaffiliated content distributors; transmitting, by the digital rights management system, the signed certificate and a public key to the client device via the data network, wherein the public key corresponds to the private key; receiving, by the digital rights management system, an unsigned license for digital content from a content distributor that has authenticated the client device using the signed certificate; digitally signing, by the digital rights management system, the license by using the private key to encrypt a portion of the license, wherein the encrypted portion is decryptable by the client device using the public key provided to the client device with the signed certificate; and transmitting, by the digital rights management system, the signed license to the content distributor, wherein the signed license authorizes use of the digital content by the client device.