CA2341911A1 - Protection procedure for the personalized encrypted loading, exchange and use of files in the multimedia field - Google Patents

Protection procedure for the personalized encrypted loading, exchange and use of files in the multimedia field Download PDF

Info

Publication number
CA2341911A1
CA2341911A1 CA 2341911 CA2341911A CA2341911A1 CA 2341911 A1 CA2341911 A1 CA 2341911A1 CA 2341911 CA2341911 CA 2341911 CA 2341911 A CA2341911 A CA 2341911A CA 2341911 A1 CA2341911 A1 CA 2341911A1
Authority
CA
Canada
Prior art keywords
supports
file
fichier
supplier
receiver
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Abandoned
Application number
CA 2341911
Other languages
French (fr)
Inventor
Alain Albertini
Jean-Paul Kirik
Original Assignee
MASSILIA ASSOCIATES
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by MASSILIA ASSOCIATES filed Critical MASSILIA ASSOCIATES
Priority to CA 2341911 priority Critical patent/CA2341911A1/en
Publication of CA2341911A1 publication Critical patent/CA2341911A1/en
Application status is Abandoned legal-status Critical

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/20Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
    • H04N21/25Management operations performed by the server for facilitating the content distribution or administrating data related to end-users or client devices, e.g. end-user or client device authentication, learning user preferences for recommending movies
    • H04N21/254Management at additional data server, e.g. shopping server, rights management server
    • H04N21/2541Rights Management
    • GPHYSICS
    • G06COMPUTING; CALCULATING; COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F21/00Security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
    • G06F21/10Protecting distributed programs or content, e.g. vending or licensing of copyrighted material
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L9/00Cryptographic mechanisms or cryptographic arrangements for secret or secure communication
    • H04L9/32Cryptographic mechanisms or cryptographic arrangements for secret or secure communication including means for verifying the identity or authority of a user of the system or for message authentication, e.g. authorization, entity authentication, data integrity or data verification, non-repudiation, key authentication or verification of credentials
    • H04L9/3226Cryptographic mechanisms or cryptographic arrangements for secret or secure communication including means for verifying the identity or authority of a user of the system or for message authentication, e.g. authorization, entity authentication, data integrity or data verification, non-repudiation, key authentication or verification of credentials using a predetermined code, e.g. password, passphrase or PIN
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/20Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
    • H04N21/23Processing of content or additional data; Elementary server operations; Server middleware
    • H04N21/234Processing of video elementary streams, e.g. splicing of video streams, manipulating MPEG-4 scene graphs
    • H04N21/2347Processing of video elementary streams, e.g. splicing of video streams, manipulating MPEG-4 scene graphs involving video stream encryption
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/20Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
    • H04N21/25Management operations performed by the server for facilitating the content distribution or administrating data related to end-users or client devices, e.g. end-user or client device authentication, learning user preferences for recommending movies
    • H04N21/258Client or end-user data management, e.g. managing client capabilities, user preferences or demographics, processing of multiple end-users preferences to derive collaborative data
    • H04N21/25808Management of client data
    • H04N21/25816Management of client data involving client authentication
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/40Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/43Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network, synchronizing decoder's clock; Client middleware
    • H04N21/44Processing of video elementary streams, e.g. splicing a video clip retrieved from local storage with an incoming video stream, rendering scenes according to MPEG-4 scene graphs
    • H04N21/4405Processing of video elementary streams, e.g. splicing a video clip retrieved from local storage with an incoming video stream, rendering scenes according to MPEG-4 scene graphs involving video stream decryption
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/40Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/45Management operations performed by the client for facilitating the reception of or the interaction with the content or administrating data related to the end-user or to the client device itself, e.g. learning user preferences for recommending movies, resolving scheduling conflicts
    • H04N21/462Content or additional data management, e.g. creating a master electronic program guide from data received from the Internet and a Head-end, controlling the complexity of a video stream by scaling the resolution or bit-rate based on the client capabilities
    • H04N21/4627Rights management associated to the content
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/40Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/47End-user applications
    • H04N21/472End-user interface for requesting content, additional data or services; End-user interface for interacting with content, e.g. for content reservation or setting reminders, for requesting event notification, for manipulating displayed content
    • H04N21/47202End-user interface for requesting content, additional data or services; End-user interface for interacting with content, e.g. for content reservation or setting reminders, for requesting event notification, for manipulating displayed content for requesting content on demand, e.g. video on demand
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/60Network structure or processes for video distribution between server and client or between remote clients; Control signalling between clients, server and network components; Transmission of management data between server and client, e.g. sending from server to client commands for recording incoming content stream; Communication details between server and client 
    • H04N21/63Control signaling related to video distribution between client, server and network components; Network processes for video distribution between server and clients or between remote clients, e.g. transmitting basic layer and enhancement layers over different transmission paths, setting up a peer-to-peer communication via Internet between remote STB's; Communication protocols; Addressing
    • H04N21/633Control signals issued by server directed to the network components or client
    • H04N21/6332Control signals issued by server directed to the network components or client directed to client
    • H04N21/6334Control signals issued by server directed to the network components or client directed to client for authorisation, e.g. by transmitting a key
    • H04N21/63345Control signals issued by server directed to the network components or client directed to client for authorisation, e.g. by transmitting a key by transmitting keys
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/60Network structure or processes for video distribution between server and client or between remote clients; Control signalling between clients, server and network components; Transmission of management data between server and client, e.g. sending from server to client commands for recording incoming content stream; Communication details between server and client 
    • H04N21/65Transmission of management data between client and server
    • H04N21/658Transmission by the client directed to the server
    • H04N21/6581Reference data, e.g. a movie identifier for ordering a movie or a product identifier in a home shopping application
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N7/00Television systems
    • H04N7/16Analogue secrecy systems; Analogue subscription systems
    • H04N7/162Authorising the user terminal, e.g. by paying; Registering the use of a subscription channel, e.g. billing
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N7/00Television systems
    • H04N7/16Analogue secrecy systems; Analogue subscription systems
    • H04N7/167Systems rendering the television signal unintelligible and subsequently intelligible
    • H04N7/1675Providing digital key or authorisation information for generation or regeneration of the scrambling sequence
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B20/00Signal processing not specific to the method of recording or reproducing; Circuits therefor
    • G11B20/00086Circuits for prevention of unauthorised reproduction or copying, e.g. piracy
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B20/00Signal processing not specific to the method of recording or reproducing; Circuits therefor
    • G11B20/00086Circuits for prevention of unauthorised reproduction or copying, e.g. piracy
    • G11B20/0021Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving encryption or decryption of contents recorded on or reproduced from a record carrier
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B20/00Signal processing not specific to the method of recording or reproducing; Circuits therefor
    • G11B20/00086Circuits for prevention of unauthorised reproduction or copying, e.g. piracy
    • G11B20/00731Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving a digital rights management system for enforcing a usage restriction
    • G11B20/00739Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving a digital rights management system for enforcing a usage restriction wherein the usage restriction is associated with a specific geographical region
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B20/00Signal processing not specific to the method of recording or reproducing; Circuits therefor
    • G11B20/00086Circuits for prevention of unauthorised reproduction or copying, e.g. piracy
    • G11B20/00731Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving a digital rights management system for enforcing a usage restriction
    • G11B20/00746Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving a digital rights management system for enforcing a usage restriction wherein the usage restriction can be expressed as a specific number
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B20/00Signal processing not specific to the method of recording or reproducing; Circuits therefor
    • G11B20/00086Circuits for prevention of unauthorised reproduction or copying, e.g. piracy
    • G11B20/00731Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving a digital rights management system for enforcing a usage restriction
    • G11B20/0084Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving a digital rights management system for enforcing a usage restriction wherein the usage restriction can be expressed as a specific time or date
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B20/00Signal processing not specific to the method of recording or reproducing; Circuits therefor
    • G11B20/00086Circuits for prevention of unauthorised reproduction or copying, e.g. piracy
    • G11B20/00855Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving a step of exchanging information with a remote server
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L2209/00Additional information or applications relating to cryptographic mechanisms or cryptographic arrangements for secret or secure communication H04L9/00
    • H04L2209/60Digital content management, e.g. content distribution

Claims

Revendications: claims: R1: La revendication principale est un procédé de chargement, d'échange et d'utilisation à R1: The main claim is a charging method, exchange and use chiffrement personnalisé de fichiers multimédia tel qu'un Recepteur puisse faire une demande de fichier à un Fournisseur muni d'une base de données sécurisée et obtenir le fichier après autorisation d'un Centre d'Autorisation de tel façon que seul le Recepteur puisse déchiffrer ce fichier et ne puisse en faire une copie numérique sans perte d'information. Custom encryption of media files such as a receiver can do a file request to a provider with a secure database and obtain the file after authorization of a Central Authorization such a way that only the receiver can decrypt it file and can not make a digital copy without loss of information. R2: appuie la revendication R1 par un procédé de chargement d'une base de données en lots de fichiers à chiffrement personnalisé. R2: R1 supports the claim by a loading method of a base custom encryption files batch data. R3: appuie la revendication R2 par une requête de chargement accompagnée d'une authentification mutuelle entre Fournisseur et Centre d'autorisation intégrant des données aléatoires de diversification, un numéro de fournisseur F et un numéro de lot de fichier L. R3: R2 supports the claim by a loading motion accompanied by a mutual authentication between provider and Authorization Center incorporating random data diversification, a vendor number F and L. file lot number R4 : appuie la revendication R2 en chiffrant chaque fichier d'un lot L avec une clef unique K_Fichier_i calculée en fonction du numéro de Fournisseur F, du numéro de lot L et de la position i du fichier dans le lot L. R4: R2 supports the claim by encrypting each file of a batch L with a unique key K_Fichier_i calculated according to the Supplier F number, the lot number and L i of the position of the file in the batch L. R5 : appuie la revendication R2 en intégrant optionnellement des limitateurs de répétition, des limitateurs de temps d'utilisation ou des limitateurs géographiques dans le chiffrement du fichier. R5: supports Claim R2 optionally incorporating repetition limiters, time of use limiters or geographical limiters in the encryption of the file. R6 : appuie la revendication R2 en transférant des lots de fichiers à R6: supports Claim R2 transferring batches of files chiffrement personnalisé et des numéros de lots L authentifiés d'un Centre d'autorisation vers un Fournisseur. custom encryption and authenticated The batch numbers of Authorization Center to a Supplier. R7 : appuie la revendication R1 par un procédé d'autorisation de requêtes de fichiers de créations artistiques par distribution de clefs de déchiffrement aux émetteurs des requêtes. R7: R1 supports the claim by a file requests authorization process artwork by decryption key distribution to the emitters of queries. R8 : appuie la revendication R7 par l'envoi d'une requête signée S1 authentifiant la référence du fichier demandé fichier_ref, d'un Récepteur à un Fournisseur. R8: R7 supports the claim by sending a request signed S1 authenticating the reference fichier_ref the requested file, a receiver to a Supplier. R9 : appuie la revendication R7 par la vérification de signature S1 par le Fournisseur, authentifiant le Récepteur, sa requête, et la référence du fichier fichier_ref. R9: R7 supports the claim by the signature verification S1 by the Supplier, authenticating the receiver, its application, and reference fichier_ref file. R10 : appuie la revendication R7 par l'extraction de la base de données du Fournisseur du numéro de lot L et du numéro de fichier i correspondant à la référence de fichier fichier_ref. R10: supports the claim R7 by extracting the database batch number Supplier L and the file number i corresponding to the reference fichier_ref file. R11 : appuie la revendication R7 par l'envoi une requête d'autorisation signée S2 authentifiant le numéro de Fournisseur F, le numéro de lot L, la position i du fichier dans le lot L, du Fournisseur au Centre d'autorisation. R11: supports the claim R7 by sending an authorization request signed S2 authenticating the Supplier F number, the lot number L, the i position of the file in the batch L, the Supplier Authorization Center. R12 : appuie la revendication R7 par la vérification de signature S2 par le Centre d'autorisation, authentifiant le Fournisseur, sa requête, le numéro de Fournisseur F, le numéro de lot L, et la position i du fichier dans le lot L. R12: R7 Claim supports by verifying signature S2 by the authorization center, authenticating the Supplier, its application, the Supplier F number, the lot number L, and the i position of the file in the batch L. R13: appuie la revendication R7 par le recalcul de la clef de déchiffrement K_Fichier_i correspondant à la revendication R4 pour le fichier référencé fichier_ref, en fonction du numéro de Fournisseur F, du numéro de lot L, de la position i du fichier dans le lot L. R13: supports the claim R7 by the recalculation of the decrypting key K_Fichier_i corresponding to claim R4 for fichier_ref referenced file, depending on the Supplier F number, the lot number L, the position i of the file in the batch L . R14 : appuie la revendication R7 par le chiffrement E1 de la clef de déchiffrement K_Fichier_i correspondant au fichier référencé fichier_ref tel que seul le Recepteur puisse la déchiffer. R14: R7 supports the claim by the encryption E1 of the decryption key corresponding to the referenced file K_Fichier_i fichier_ref such that only the receiver can decrypt. R15 : appuie la revendication R7 par l'envoi du chiffrement E1 du Centre d'autorisation au Fournisseur. R15: R7 supports the claim by the transmission of encryption E1 of the Supplier Authorization Center. R17 : appuie la revendication R1 par la distribution de fichiers de créations artistiques chiffrées, issus d'une base de données chiffrée. A17: R1 supports the claim by the distribution files encrypted artwork from an encrypted database. R18 : appuie la revendication R17 par l'extraction de la base de données du Fournisseur du fichier chiffré référencé fichier_ref. R18: R17 supports the claim by extracting the Provider database fichier_ref referenced encrypted file. R19: appuie la revendication R17 par l'envoi du fichier chiffré et du chiffrement E1 du Fournisseur vers le Recepteur. R19: R17 supports the claim by the transmission of the encrypted file and the encryption E1 provider to the receiver. R20 : appuie la revendication R17 par le déchiffrement de E1 par le Recepteur résultant en la clef de déchiffrement K_Fichier_i. R20: R17 supports the claim by decrypting E1 by the receiver resulting in K_Fichier_i decrypting key. R21 : appuie la revendication R17 par le déchiffrement du fichier chiffré par la clef de déchiffrement K_Fichier_i. R21: R17 supports the claim by decrypting the encrypted file by the decryption key K_Fichier_i. R22: appuie la revendication R1 par la mise en oeuvre d'un récepteur physiquement et logiquement protégé muni d'une entrée numérique véhiculant des données chiffrées et d'une sortie analogique véhiculant un signal non chiffré et non compressé. R22: R1 supports the claim by the implementation of a receiver physically and logically protected with a digital input carrying encrypted data and an analog output signal conveying an unencrypted and uncompressed. R23 : appuie la revendication R22 par l'intégration d'un module de sécurité R23: R22 supports the claim by the integration of a security module dans le boîtier Récepteur, physiquement et logiquement protégé et contenant des données et fonctions cryptographiques. in the receiver housing, physically and logically protected and containing data and cryptographic functions. R24 : appuie la revendication R22 par l'intégration d'un convertisseur numérique analogique DAC dans le boîtier Récepteur. R24: R22 supports the claim by the integration of a digital-analog converter DAC in the receiver housing. R25 : appuie la revendication R22 par l'effacement de toutes données sensibles contenues dans le boîtier Récepteur en cas d'attaques extérieures de type physique, électromagnétique, électrique, par des écarts de températures ou toute combinaison de ces types d'attaques. R25: R22 supports the claim by erasing all sensitive data contained in the receiver housing in the event of external attacks of physical type, electromagnetic, electric, by temperature fluctuations or any combination of these types of attacks. R26 : appuie la revendication R22 par l'effacement de toutes données sensibles contenues dans le module de sécurité du boîtier Récepteur en cas d'attaques extérieures de type physique, électromagnétique, électrique, par des écarts de températures ou toute combinaison de ces types d'attaques. R26: R22 supports the claim by erasing all sensitive data in the security module of the receiver housing in the event of external attacks of physical type, electromagnetic, electric, by temperature fluctuations or any combination of these types of attacks. R27: appuie les revendications R7, R17 et R22 par la mise en oeuvre des procédés correspondants par le logiciel du boîtier Récepteur. R27: supports claims R7, R17 and R22 by the implementation of the corresponding methods in the receiver housing of the software. R28 : appuie la revendication R22 par l'intégration possible du boîtier Récepteur dans tout type de périphériques multimédia. R28: R22 supports the claim by the possible integration of the receiver housing in any type of multimedia devices.
CA 2341911 2001-03-19 2001-03-19 Protection procedure for the personalized encrypted loading, exchange and use of files in the multimedia field Abandoned CA2341911A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CA 2341911 CA2341911A1 (en) 2001-03-19 2001-03-19 Protection procedure for the personalized encrypted loading, exchange and use of files in the multimedia field

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA 2341911 CA2341911A1 (en) 2001-03-19 2001-03-19 Protection procedure for the personalized encrypted loading, exchange and use of files in the multimedia field

Publications (1)

Publication Number Publication Date
CA2341911A1 true CA2341911A1 (en) 2002-09-19

Family

ID=4168669

Family Applications (1)

Application Number Title Priority Date Filing Date
CA 2341911 Abandoned CA2341911A1 (en) 2001-03-19 2001-03-19 Protection procedure for the personalized encrypted loading, exchange and use of files in the multimedia field

Country Status (1)

Country Link
CA (1) CA2341911A1 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2004109682A1 (en) * 2003-06-04 2004-12-16 Matsushita Electric Industrial Co., Ltd. Contents distribution system, recording apparatus, signature apparatus, contents supply apparatus, and contents playback apparatus

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2004109682A1 (en) * 2003-06-04 2004-12-16 Matsushita Electric Industrial Co., Ltd. Contents distribution system, recording apparatus, signature apparatus, contents supply apparatus, and contents playback apparatus

Similar Documents

Publication Publication Date Title
EP2940044B8 (en) Anti-tnf alpha antibodies for use in therapy
AU5776700A (en) Method for generating secure symmetric encryption and decryption
AU2002354913A1 (en) Unitary surgical device and method
AU2002307550A1 (en) Plasmonic nanophotonics methods, materials, and apparatuses
AU2002311919A1 (en) Specific binding proteins and uses thereof
AU2001260010A1 (en) Cranial flap clamp and instrument for use therewith
AU2002240181A1 (en) Systems and methods for metering content on the internet
AU2002322763A1 (en) Apparatuses and methods for providing IV infusion administration
EP1223560A3 (en) Authentication token and authentication system
AU3274301A (en) Systems and methods for multiple-file data compression
AU2002360367A1 (en) Hemostasis cathter and method
AU2002251725A1 (en) Compositions and methods for biomedical applications
AU2003267764A1 (en) Method and device for authorizing content operations
AU2003253977A1 (en) Corporate content management and delivery system
AU2002247581A1 (en) System for implementing and managing privacy policy in an enterprise
AU2002240341A1 (en) Systems and methods for improving investment performance
AU4646600A (en) System, method and article of manufacture for authorizing the use of electronic content utilizing a laser-centric medium
AU2002364902A1 (en) Device independent authentication system and method
AU2002315501A1 (en) Secure authentication and payment system
AUPR824301A0 (en) Methods and systems (npw001)
AU2003293109A1 (en) Methods and systems for contact management
AU2002354612A1 (en) Methods and systems for shared storage virtualization
AU2002345586A1 (en) System and methods for product and document authentication
AU2003283398A1 (en) Use of trans-pellitorin in the form of an aromatic substance
AU2002353818A1 (en) Systems and methods for providing digital rights management compatibility

Legal Events

Date Code Title Description
FZDE Dead