SmartRM -- key technologies
- 1. SmartRM key technologies Keep on sharing, do it the Smart way | www.smartrm.com 1
- 2. The MPEG-21 File Format ISO/ IEC 2 1000 -9 myFile.mp21 <?xml ? version="1.0 " encoding="U TF-8” > MP4! <didl:DIDL> <didl:item> …… </didl:item> </didl:DIDL> Rights information Metadata Encrypted MPEG-21 Digital Item (XML) media …. Keep on sharing, do it the Smart way | www.smartrm.com
- 3. The MPEG-21 Digital Item Digital Item Content Identifier <?xml version="1.0" encoding="UTF-8”?> Content Metadata <didl:DIDL> <didl:DIDLInfo> <dsig:Signature> Resource </dsig:Signature> </didl:DIDLInfo> Resource Identifier <didl:Item id="A1"> <didl:Descriptor> Resource Metadata <didl:Statement mimeType="text/xml"> <dii:Identifier></dii:Identifier> </didl:Statement> Resource DRM Information </didl:Descriptor> <didl:Item id="B1"> Encryption Information <didl:Descriptor> <didl:Statement mimeType="text/xml"> <dii:Identifier></dii:Identifier> </didl:Statement> License </didl:Descriptor> Key <didl:Descriptor> …. </didl:Item> </didl:Item> License Reference </didl:DIDL> Keep on sharing, do it the Smart way | www.smartrm.com
- 4. The MPEG-21 Rights Expression Language ISO/I EC 21 000-5 <?xml version="1.0" encoding="UTF-8"?> <license> <grant> <mx:play/> <digitalResource> <nonSecureIndirect URI=“Video1"/> </digitalResource> <sx:territory> <sx:location> <sx:country>NL</sx:country> license </sx:location> </sx:territory> </grant> <issuer> = content creator </keyHolder> </issuer> </license> grant issuer principal right resource conditions = friend, colleague read, play, print MP4! until tomorrow 3:00 PM for one hour only 2 times … Keep on sharing, do it the Smart way | www.smartrm.com
- 5. Trusted Computing • SmartRM Firefox Plug-in, SmartRM App and SmartRM Mobile support Hardware-based security on devices equipped with a Trusted Platform Module (TPM) • We use standard and state of the art encryption technology • Remote Attestation with the server ensures trustworthiness of clients • We worked with researchers from the TORSEC group of Politecnico di Torino for integrating the TrouSerS software stack in the SmartRM software to achieve TPM–based security. • Our solution works on Linux and Windows Keep on sharing, do it the Smart way | www.smartrm.com
- 6. MPEG MXM APIs ISO/I E C 230 06-2 All our applica,ons are highly modular and each module communicate via standard Applica,on Programming Interfaces (APIs) Developers using SmartRM SDKs will have the advantage of relying on stable APIs and reusable components ISO/IE MXM Protocols C 23006- 4 SmartRM client SmartRM server MXM Protocols (SOAP, REST, XMPP) • Identify Device • Identify Content • Identify Resource • Store License • Request License • … Keep on sharing, do it the Smart way | www.smartrm.com
- 7. MXM Protocols example (real-time license request) SmartRM SmartRM Client SmartRM Client (creator) Server (end user) 0 Creates Content StoreLicenseRequest With SeekPermission license 1 Ack with OK 2 Sends content to End User Tries 3 to RequestLicense play 4 Ack with SeekPermission 5 RequestSeekPermissionLicense 6 Ack with OK 7 RequestLicense 8 9 StoreLicenseRequest with license for End User 10 Ack with NEW_LICENSE_AVAILABLE Tries to RequestLicense play 11 RequestLicenseResponse 12 Play! SOAP/REST Over XMPP Keep on sharing, do it the Smart way | www.smartrm.com