CY1107275T1 - Μια συσκευη και μια μεθοδος για την επιλεκτικη κρυπτογραφηση του τμηματος ωφελιμου φορτιου των δεδομενων πολυμεσων που στελνονται μεσω δικτυου - Google Patents

Μια συσκευη και μια μεθοδος για την επιλεκτικη κρυπτογραφηση του τμηματος ωφελιμου φορτιου των δεδομενων πολυμεσων που στελνονται μεσω δικτυου

Info

Publication number
CY1107275T1
CY1107275T1 CY20081100117T CY081100117T CY1107275T1 CY 1107275 T1 CY1107275 T1 CY 1107275T1 CY 20081100117 T CY20081100117 T CY 20081100117T CY 081100117 T CY081100117 T CY 081100117T CY 1107275 T1 CY1107275 T1 CY 1107275T1
Authority
CY
Cyprus
Prior art keywords
data
load
payload portion
network
send
Prior art date
Application number
CY20081100117T
Other languages
English (en)
Inventor
Brad Kollmyer
Brian Baker
Eric Shapiro
Aric Kollmyer
Mike Rutman
Duncan Maclean
Dan Robertson
Neal Taylor
Dick Hunsche
Amanda Walker
Original Assignee
Widevine Technologies, Inc.
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=24631923&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=CY1107275(T1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Widevine Technologies, Inc. filed Critical Widevine Technologies, Inc.
Publication of CY1107275T1 publication Critical patent/CY1107275T1/el

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L9/00Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols
    • H04L9/06Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols the encryption apparatus using shift registers or memories for block-wise or stream coding, e.g. DES systems or RC4; Hash functions; Pseudorandom sequence generators
    • H04L9/065Encryption by serially and continuously modifying data stream elements, e.g. stream cipher systems, RC4, SEAL or A5/3
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L63/00Network architectures or network communication protocols for network security
    • H04L63/04Network architectures or network communication protocols for network security for providing a confidential data exchange among entities communicating through data packet networks
    • H04L63/0428Network architectures or network communication protocols for network security for providing a confidential data exchange among entities communicating through data packet networks wherein the data content is protected, e.g. by encrypting or encapsulating the payload
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L65/00Network arrangements, protocols or services for supporting real-time applications in data packet communication
    • H04L65/1066Session management
    • H04L65/1101Session protocols
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L65/00Network arrangements, protocols or services for supporting real-time applications in data packet communication
    • H04L65/60Network streaming of media packets
    • H04L65/70Media network packetisation
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L65/00Network arrangements, protocols or services for supporting real-time applications in data packet communication
    • H04L65/60Network streaming of media packets
    • H04L65/75Media network packet handling
    • H04L65/765Media network packet handling intermediate
    • 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 or manipulating encoded video stream scene graphs
    • H04N21/2347Processing of video elementary streams, e.g. splicing of video streams or manipulating encoded video stream scene graphs involving video stream encryption
    • H04N21/23476Processing of video elementary streams, e.g. splicing of video streams or manipulating encoded video stream scene graphs involving video stream encryption by partially encrypting, e.g. encrypting the ending portion of a movie
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/80Generation or processing of content or additional data by content creator independently of the distribution process; Content per se
    • H04N21/81Monomedia components thereof
    • H04N21/8166Monomedia components thereof involving executable data, e.g. software
    • H04N21/8193Monomedia components thereof involving executable data, e.g. software dedicated tools, e.g. video decoder software or IPMP tool
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Multimedia (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Computer Security & Cryptography (AREA)
  • General Engineering & Computer Science (AREA)
  • Software Systems (AREA)
  • Computer Hardware Design (AREA)
  • Computing Systems (AREA)
  • Business, Economics & Management (AREA)
  • General Business, Economics & Management (AREA)
  • Data Exchanges In Wide-Area Networks (AREA)
  • Computer And Data Communications (AREA)
  • Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
  • Small-Scale Networks (AREA)

Abstract

Η εφεύρεση αναφέρεται σε μία συσκευή και σε μία μέθοδο για την επιλεκτική κρυπτογράφηση τμημάτων δεδομένων που στέλνονται μέσω ενός δικτύου μεταξύ ενός διακομιστή και ενός πελάτη. Η συσκευή περιλαμβάνει ένα μέσο συντακτικής ανάλυσης που διαχωρίζει ένα πρώτο τμήμα των δεδομένων από ένα δεύτερο τμήμα των δεδομένων, ένα μέσο κρυπτογράφησης που κρυπτογραφεί μόνο το πρώτο τμήμα των δεδομένων και ένα συνδυαστικό μέσο που συνδυάζει το κρυπτογραφημένο πρώτο τμήμα των δεδομένων, με το δεύτερο τμήμα των δεδομένων, όπου το δεύτερο τμήμα των δεδομένων δεν είναι κρυπτογραφημένο. Η συσκευή περιλαμβάνει επίσης ένα μέσο αποκρυπτογράφησης, το οποίο είναι εγκαταστημένο στον πελάτη, ώστε να αποκρυπτογραφεί το κρυπτογραφημένο τμήμα των δεδομένων. Η συσκευή έχει ανεξαρτησία υπολογιστικού περιβάλλοντος, όσον αφορά τον μορφότυπο των μέσων και το πρωτόκολλο δεδομένων. Η μονάδα κρυπτογράφησης κρυπτογραφεί τα δεδομένα με διαφάνεια προς τον πελάτη με βάση τον μορφότυπο των μέσων. Η συσκευή της εφεύρεσης υλοποιείται ως αντικείμενο εφαρμογής και πρόσθετου προγράμματος. Η μέθοδος για την επιλεκτική κρυπτογράφηση τμημάτων δεδομένων, τα οποία διαφέρουν μεταξύ τους ως προς τουλάχιστον ένα χαρακτηριστικό και στέλνονται μέσω ενός δικτύου μεταξύ ενός διακομιστή και ενός πελάτη, περιλαμβάνει την συντακτική ανάλυση των δεδομένων σε ένα πρώτο και σε ένα δεύτερο τμήμα και την αποστολή του πρώτου κρυπτογραφημένου τμήματος και του δεύτερου τμήματος των δεδομένων στον πελάτη μέσω του δικτύου. Η μέθοδος περιλαμβάνει περαιτέρω την λήψη δεδομένων από τον διακομιστή, τον καθορισμό αν έχει δημιουργηθεί ρεύμα δεδομένων μεταξύ του διακομιστή και του πελάτη και τη
CY20081100117T 2000-09-06 2008-01-31 Μια συσκευη και μια μεθοδος για την επιλεκτικη κρυπτογραφηση του τμηματος ωφελιμου φορτιου των δεδομενων πολυμεσων που στελνονται μεσω δικτυου CY1107275T1 (el)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US09/656,166 US7165175B1 (en) 2000-09-06 2000-09-06 Apparatus, system and method for selectively encrypting different portions of data sent over a network
EP01968511.4A EP1317839B2 (en) 2000-09-06 2001-09-06 Apparatus and method for selectively encrypting the payload portion of multimedia data sent over a network

Publications (1)

Publication Number Publication Date
CY1107275T1 true CY1107275T1 (el) 2012-11-21

Family

ID=24631923

Family Applications (1)

Application Number Title Priority Date Filing Date
CY20081100117T CY1107275T1 (el) 2000-09-06 2008-01-31 Μια συσκευη και μια μεθοδος για την επιλεκτικη κρυπτογραφηση του τμηματος ωφελιμου φορτιου των δεδομενων πολυμεσων που στελνονται μεσω δικτυου

Country Status (11)

Country Link
US (2) US7165175B1 (el)
EP (2) EP1317839B2 (el)
JP (1) JP2004511931A (el)
AT (1) ATE381840T1 (el)
AU (1) AU2001288755A1 (el)
CY (1) CY1107275T1 (el)
DE (1) DE60131990T3 (el)
DK (1) DK1317839T3 (el)
ES (1) ES2296798T3 (el)
PT (1) PT1317839E (el)
WO (1) WO2002021761A2 (el)

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