WO2005017809A3 - Method and apparatus for authentication of data streams with adaptively controlled losses - Google Patents

Method and apparatus for authentication of data streams with adaptively controlled losses Download PDF

Info

Publication number
WO2005017809A3
WO2005017809A3 PCT/US2004/025513 US2004025513W WO2005017809A3 WO 2005017809 A3 WO2005017809 A3 WO 2005017809A3 US 2004025513 W US2004025513 W US 2004025513W WO 2005017809 A3 WO2005017809 A3 WO 2005017809A3
Authority
WO
WIPO (PCT)
Prior art keywords
stream
intermediary
source
authentication
sign
Prior art date
Application number
PCT/US2004/025513
Other languages
French (fr)
Other versions
WO2005017809A2 (en
Inventor
Craig B Gentry
Alejandro Hevia
Ravi Kumar Jain
Toshiro Kawahara
Zulfikar Amin Ramzan
Original Assignee
Docomo Comm Lab Usa Inc
Craig B Gentry
Alejandro Hevia
Ravi Kumar Jain
Toshiro Kawahara
Zulfikar Amin Ramzan
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 Docomo Comm Lab Usa Inc, Craig B Gentry, Alejandro Hevia, Ravi Kumar Jain, Toshiro Kawahara, Zulfikar Amin Ramzan filed Critical Docomo Comm Lab Usa Inc
Priority to JP2006523251A priority Critical patent/JP4809766B2/en
Priority to US10/543,640 priority patent/US20060136728A1/en
Publication of WO2005017809A2 publication Critical patent/WO2005017809A2/en
Publication of WO2005017809A3 publication Critical patent/WO2005017809A3/en
Priority to US12/560,959 priority patent/US8256015B2/en
Priority to US12/560,963 priority patent/US20100005310A1/en

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
    • H04L9/32—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols 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
    • H04L9/3236—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols 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 cryptographic hash functions
    • H04L9/3242—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols 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 cryptographic hash functions involving keyed hash functions, e.g. message authentication codes [MACs], CBC-MAC or HMAC
    • 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
    • H04L9/32—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols 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
    • H04L9/3247—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols 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 involving digital signatures
    • 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
    • H04L9/50—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols using hash chains, e.g. blockchains or hash trees
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
    • G11B20/00086—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
    • G11B20/00086—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy
    • G11B20/0021—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving encryption or decryption of contents recorded on or reproduced from a record carrier
    • 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
    • H04L2209/30—Compression, e.g. Merkle-Damgard construction
    • 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
    • H04L2209/34—Encoding or coding, e.g. Huffman coding or error correction
    • 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
    • H04L2209/80—Wireless
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N7/00—Television systems
    • H04N7/16—Analogue secrecy systems; Analogue subscription systems
    • H04N7/167—Systems rendering the television signal unintelligible and subsequently intelligible
    • H04N7/1675—Providing digital key or authorisation information for generation or regeneration of the scrambling sequence

Abstract

Methods, components, and systems for efficient authentication, either through a digital signature or message authentication codes, and verification of a digital stream sent from a source (505) to a receiver via zero or more intermediaries (503), such that the source (501) or intermediary (503) (or both) can remove certain portions of the data stream without inhibiting the ability of the ultimate receiver to verify the authenticity and integrity of the data received. According to the invention, a source (501) may sign an entire data stream once, but may permit either itself or an intermediary to efficiently remove certain portions of the stream before transmitting the stream to the ultimate recipient (505), without having to re-sign the entire stream. Applications may include the signing of media streams which often need to be further processed to accommodate the resource requirements of a particular environment. Another application allows an intermediary to choose an advertisement to include in a given slot.
PCT/US2004/025513 2003-08-15 2004-08-04 Method and apparatus for authentication of data streams with adaptively controlled losses WO2005017809A2 (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
JP2006523251A JP4809766B2 (en) 2003-08-15 2004-08-04 Data stream authentication method and apparatus adaptively controlling loss
US10/543,640 US20060136728A1 (en) 2003-08-15 2004-08-04 Method and apparatus for authentication of data streams with adaptively controlled losses
US12/560,959 US8256015B2 (en) 2003-08-15 2009-09-16 Method and apparatus for authentication of data streams with adaptively controlled losses
US12/560,963 US20100005310A1 (en) 2003-08-15 2009-09-16 Method and apparatus for authenication of data streams with adaptively controlled losses

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US49578703P 2003-08-15 2003-08-15
US60/495,787 2003-08-15

Related Child Applications (3)

Application Number Title Priority Date Filing Date
US10543640 A-371-Of-International 2004-08-04
US12/560,963 Division US20100005310A1 (en) 2003-08-15 2009-09-16 Method and apparatus for authenication of data streams with adaptively controlled losses
US12/560,959 Division US8256015B2 (en) 2003-08-15 2009-09-16 Method and apparatus for authentication of data streams with adaptively controlled losses

Publications (2)

Publication Number Publication Date
WO2005017809A2 WO2005017809A2 (en) 2005-02-24
WO2005017809A3 true WO2005017809A3 (en) 2005-09-22

Family

ID=34193346

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US2004/025513 WO2005017809A2 (en) 2003-08-15 2004-08-04 Method and apparatus for authentication of data streams with adaptively controlled losses

Country Status (3)

Country Link
US (3) US20060136728A1 (en)
JP (1) JP4809766B2 (en)
WO (1) WO2005017809A2 (en)

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Also Published As

Publication number Publication date
WO2005017809A2 (en) 2005-02-24
US20100005309A1 (en) 2010-01-07
US8256015B2 (en) 2012-08-28
US20100005310A1 (en) 2010-01-07
JP4809766B2 (en) 2011-11-09
JP2007503134A (en) 2007-02-15
US20060136728A1 (en) 2006-06-22

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