HUE054769T2 - Eljárás, berendezés és számítógéppel olvasható adathordozó a manifeszt fájlokban szállított tartalmi kulcsok biztosítására - Google Patents

Eljárás, berendezés és számítógéppel olvasható adathordozó a manifeszt fájlokban szállított tartalmi kulcsok biztosítására

Info

Publication number
HUE054769T2
HUE054769T2 HUE15712676A HUE15712676A HUE054769T2 HU E054769 T2 HUE054769 T2 HU E054769T2 HU E15712676 A HUE15712676 A HU E15712676A HU E15712676 A HUE15712676 A HU E15712676A HU E054769 T2 HUE054769 T2 HU E054769T2
Authority
HU
Hungary
Prior art keywords
computer readable
readable medium
content keys
manifest files
securing content
Prior art date
Application number
HUE15712676A
Other languages
English (en)
Inventor
Raj Nair
Kevin Ma
Mikhail Mikhailov
Original Assignee
Ericsson Ab
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 Ericsson Ab filed Critical Ericsson Ab
Publication of HUE054769T2 publication Critical patent/HUE054769T2/hu

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L9/00—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols
    • H04L9/08—Key distribution or management, e.g. generation, sharing or updating, of cryptographic keys or passwords
    • H04L9/0816—Key establishment, i.e. cryptographic processes or cryptographic protocols whereby a shared secret becomes available to two or more parties, for subsequent use
    • H04L9/0819—Key transport or distribution, i.e. key establishment techniques where one party creates or otherwise obtains a secret value, and securely transfers it to the other(s)
    • H04L9/0822—Key transport or distribution, i.e. key establishment techniques where one party creates or otherwise obtains a secret value, and securely transfers it to the other(s) using key encryption key
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L9/00—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols
    • H04L9/08—Key distribution or management, e.g. generation, sharing or updating, of cryptographic keys or passwords
    • H04L9/0816—Key establishment, i.e. cryptographic processes or cryptographic protocols whereby a shared secret becomes available to two or more parties, for subsequent use
    • H04L9/0819—Key transport or distribution, i.e. key establishment techniques where one party creates or otherwise obtains a secret value, and securely transfers it to the other(s)
    • H04L9/0825—Key transport or distribution, i.e. key establishment techniques where one party creates or otherwise obtains a secret value, and securely transfers it to the other(s) using asymmetric-key encryption or public key infrastructure [PKI], e.g. key signature or public key certificates
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L9/00—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols
    • H04L9/08—Key distribution or management, e.g. generation, sharing or updating, of cryptographic keys or passwords
    • H04L9/0891—Revocation or update of secret information, e.g. encryption key update or rekeying
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L9/00—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols
    • H04L9/08—Key distribution or management, e.g. generation, sharing or updating, of cryptographic keys or passwords
    • H04L9/0894—Escrow, recovery or storing of secret information, e.g. secret key escrow or cryptographic key storage
    • H04L9/0897—Escrow, recovery or storing of secret information, e.g. secret key escrow or cryptographic key storage involving additional devices, e.g. trusted platform module [TPM], smartcard or USB
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L9/00—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols
    • H04L9/14—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols using a plurality of keys or algorithms
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L2209/00—Additional information or applications relating to cryptographic mechanisms or cryptographic arrangements for secret or secure communication H04L9/00
    • H04L2209/24—Key scheduling, i.e. generating round keys or sub-keys for block encryption
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L2209/00—Additional information or applications relating to cryptographic mechanisms or cryptographic arrangements for secret or secure communication H04L9/00
    • H04L2209/60—Digital content management, e.g. content distribution
    • H04L2209/603—Digital right managament [DRM]
HUE15712676A 2014-02-11 2015-02-11 Eljárás, berendezés és számítógéppel olvasható adathordozó a manifeszt fájlokban szállított tartalmi kulcsok biztosítására HUE054769T2 (hu)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US201461938425P 2014-02-11 2014-02-11
US14/618,598 US11228427B2 (en) 2014-02-11 2015-02-10 System and method for securing content keys delivered in manifest files

Publications (1)

Publication Number Publication Date
HUE054769T2 true HUE054769T2 (hu) 2021-09-28

Family

ID=53775922

Family Applications (1)

Application Number Title Priority Date Filing Date
HUE15712676A HUE054769T2 (hu) 2014-02-11 2015-02-11 Eljárás, berendezés és számítógéppel olvasható adathordozó a manifeszt fájlokban szállított tartalmi kulcsok biztosítására

Country Status (8)

Country Link
US (1) US11228427B2 (hu)
EP (1) EP3105882B1 (hu)
CN (1) CN106464485B (hu)
BR (1) BR112016018486A8 (hu)
CA (1) CA2939396A1 (hu)
HU (1) HUE054769T2 (hu)
PL (1) PL3105882T3 (hu)
WO (1) WO2015121806A2 (hu)

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Also Published As

Publication number Publication date
US11228427B2 (en) 2022-01-18
US20150229471A1 (en) 2015-08-13
PL3105882T3 (pl) 2021-10-25
BR112016018486A2 (pt) 2018-07-10
EP3105882A2 (en) 2016-12-21
WO2015121806A3 (en) 2015-12-03
EP3105882B1 (en) 2021-04-07
WO2015121806A2 (en) 2015-08-20
CN106464485A8 (zh) 2017-06-30
BR112016018486A8 (pt) 2019-10-01
CA2939396A1 (en) 2015-08-20
CN106464485B (zh) 2020-03-06
CN106464485A (zh) 2017-02-22

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