WO2013123548A3 - Cryptographic method and system - Google Patents

Cryptographic method and system Download PDF

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Publication number
WO2013123548A3
WO2013123548A3 PCT/AU2013/000145 AU2013000145W WO2013123548A3 WO 2013123548 A3 WO2013123548 A3 WO 2013123548A3 AU 2013000145 W AU2013000145 W AU 2013000145W WO 2013123548 A3 WO2013123548 A3 WO 2013123548A3
Authority
WO
WIPO (PCT)
Prior art keywords
sharing
relates
present
agent
user
Prior art date
Application number
PCT/AU2013/000145
Other languages
French (fr)
Other versions
WO2013123548A2 (en
Inventor
David Geoffrey Hook
Richard Hans Harvey
Peter Kai Dettman
Original Assignee
Lock Box Pty Ltd.
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
Priority claimed from AU2012900626A external-priority patent/AU2012900626A0/en
Application filed by Lock Box Pty Ltd. filed Critical Lock Box Pty Ltd.
Priority to EP13752183.7A priority Critical patent/EP2817917B1/en
Priority to US13/969,071 priority patent/US8842841B2/en
Publication of WO2013123548A2 publication Critical patent/WO2013123548A2/en
Priority to US14/455,300 priority patent/US20140351586A1/en
Priority to IL234215A priority patent/IL234215B/en
Publication of WO2013123548A3 publication Critical patent/WO2013123548A3/en

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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)
    • H04L9/0825—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
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F21/00—Security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
    • G06F21/60—Protecting data
    • G06F21/62—Protecting access to data via a platform, e.g. using keys or access control rules
    • G06F21/6218—Protecting access to data via a platform, e.g. using keys or access control rules to a system of files or objects, e.g. local or distributed file system or database
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L63/00—Network architectures or network communication protocols for network security
    • H04L63/06—Network architectures or network communication protocols for network security for supporting key management in a packet data network
    • H04L63/061—Network architectures or network communication protocols for network security for supporting key management in a packet data network for key exchange, e.g. in peer-to-peer networks
    • 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
    • H04L9/0894—Escrow, recovery or storing of secret information, e.g. secret key escrow or cryptographic key storage
    • 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
    • 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
    • H04L9/32—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
    • H04L9/3263—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 certificates, e.g. public key certificate [PKC] or attribute certificate [AC]; Public key infrastructure [PKI] arrangements

Abstract

The present invention relates to the field of security of electronic data and/or communications. In one form, the invention relates to data security and/or privacy in a distributed and/or decentralised network environment. In another form, the invention relates to enabling private collaboration and/or information sharing between users, agents and/or applications. Embodiment(s) of the present invention enable the sharing of key(s) and/or content between a first user and/or agent and a second user and/or agent. Furthermore, embodiment(s) of the present invention have application in sharing encrypted information Via information sharing services. A number of inventions, aspects and embodiments are disclosed herein.
PCT/AU2013/000145 2012-02-20 2013-02-19 Cryptographic method and system WO2013123548A2 (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
EP13752183.7A EP2817917B1 (en) 2012-02-20 2013-02-19 Cryptographic method and system
US13/969,071 US8842841B2 (en) 2012-02-20 2013-08-16 Cryptographic method and system
US14/455,300 US20140351586A1 (en) 2012-02-20 2014-08-08 Cryptographic method and system
IL234215A IL234215B (en) 2012-02-20 2014-08-20 Cryptographic method and system

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
AU2012900626 2012-02-20
AU2012900626A AU2012900626A0 (en) 2012-02-20 Cryptographic Method and System

Related Child Applications (1)

Application Number Title Priority Date Filing Date
US13/969,071 Continuation US8842841B2 (en) 2012-02-20 2013-08-16 Cryptographic method and system

Publications (2)

Publication Number Publication Date
WO2013123548A2 WO2013123548A2 (en) 2013-08-29
WO2013123548A3 true WO2013123548A3 (en) 2014-12-31

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/AU2013/000145 WO2013123548A2 (en) 2012-02-20 2013-02-19 Cryptographic method and system

Country Status (5)

Country Link
US (2) US8842841B2 (en)
EP (1) EP2817917B1 (en)
AU (1) AU2013200916B2 (en)
IL (1) IL234215B (en)
WO (1) WO2013123548A2 (en)

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