GB0418024D0 - Encryption in communication systems - Google Patents

Encryption in communication systems

Info

Publication number
GB0418024D0
GB0418024D0 GBGB0418024.6A GB0418024A GB0418024D0 GB 0418024 D0 GB0418024 D0 GB 0418024D0 GB 0418024 A GB0418024 A GB 0418024A GB 0418024 D0 GB0418024 D0 GB 0418024D0
Authority
GB
United Kingdom
Prior art keywords
encryption
communication systems
systems
communication
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.)
Ceased
Application number
GBGB0418024.6A
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Sepura Ltd
Original Assignee
Sepura 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
Application filed by Sepura Ltd filed Critical Sepura Ltd
Priority to GBGB0418024.6A priority Critical patent/GB0418024D0/en
Publication of GB0418024D0 publication Critical patent/GB0418024D0/en
Priority to EP05772055A priority patent/EP1779585A1/en
Priority to GB0516646A priority patent/GB2417173B/en
Priority to PCT/GB2005/003178 priority patent/WO2006016181A1/en
Ceased legal-status Critical Current

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
    • H04L9/0894—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
    • H04L9/08—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
    • 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)
    • H04L9/083—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) involving central third party, e.g. key distribution center [KDC] or trusted third party [TTP]
    • H04L9/0833—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) involving central third party, e.g. key distribution center [KDC] or trusted third party [TTP] involving conference or group 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
    • H04L9/0891—Revocation or update of secret information, e.g. encryption key update or rekeying
    • H04Q7/3881—
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W12/00—Security arrangements; Authentication; Protecting privacy or anonymity
    • H04W12/04—Key management, e.g. using generic bootstrapping architecture [GBA]
    • 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
    • H04L63/065—Network architectures or network communication protocols for network security for supporting key management in a packet data network for group communications

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Security & Cryptography (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Telephonic Communication Services (AREA)
GBGB0418024.6A 2004-08-12 2004-08-12 Encryption in communication systems Ceased GB0418024D0 (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
GBGB0418024.6A GB0418024D0 (en) 2004-08-12 2004-08-12 Encryption in communication systems
EP05772055A EP1779585A1 (en) 2004-08-12 2005-08-12 Encryption in communications systems using over-the-air rekeying
GB0516646A GB2417173B (en) 2004-08-12 2005-08-12 Encryption in communications systems
PCT/GB2005/003178 WO2006016181A1 (en) 2004-08-12 2005-08-12 Encryption in communications systems using over - the - air rekeying

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GBGB0418024.6A GB0418024D0 (en) 2004-08-12 2004-08-12 Encryption in communication systems

Publications (1)

Publication Number Publication Date
GB0418024D0 true GB0418024D0 (en) 2004-09-15

Family

ID=33017417

Family Applications (2)

Application Number Title Priority Date Filing Date
GBGB0418024.6A Ceased GB0418024D0 (en) 2004-08-12 2004-08-12 Encryption in communication systems
GB0516646A Expired - Fee Related GB2417173B (en) 2004-08-12 2005-08-12 Encryption in communications systems

Family Applications After (1)

Application Number Title Priority Date Filing Date
GB0516646A Expired - Fee Related GB2417173B (en) 2004-08-12 2005-08-12 Encryption in communications systems

Country Status (3)

Country Link
EP (1) EP1779585A1 (en)
GB (2) GB0418024D0 (en)
WO (1) WO2006016181A1 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ATE420522T1 (en) * 2006-04-04 2009-01-15 Research In Motion Ltd METHOD AND APPARATUS FOR UPDATING CRYPTOGRAPHIC KEYS IN A MOBILE COMMUNICATIONS DEVICE
US8422680B2 (en) * 2008-02-13 2013-04-16 Motorola Solutions, Inc. Method for validating encrypted communications via selection and comparison of source transmitter and destination receiver associated encryption keys

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5832086A (en) * 1995-09-27 1998-11-03 Motorola, Inc. Method for updating a communication unit parameter in a wireless communication system
EP0840477B1 (en) * 1996-10-31 2012-07-18 Panasonic Corporation Secret key transfer method which is highly secure and can restrict the damage caused when the secret key is leaked or decoded
SE515224C2 (en) * 1999-06-18 2001-07-02 Sectra Comm Ab Mobile or cordless phone with device for encrypting or decrypting speech and data, can store and transmit encryption keys via short range link
BR0014406A (en) * 1999-10-22 2002-06-18 Motorola Inc Communication protocol for secure communication systems
US7123719B2 (en) * 2001-02-16 2006-10-17 Motorola, Inc. Method and apparatus for providing authentication in a communication system
GB2388282B (en) * 2002-05-03 2004-06-16 Motorola Inc System method and station for use in secure communication
US20030236983A1 (en) * 2002-06-21 2003-12-25 Mihm Thomas J. Secure data transfer in mobile terminals and methods therefor

Also Published As

Publication number Publication date
GB2417173A (en) 2006-02-15
GB2417173B (en) 2007-05-23
WO2006016181A1 (en) 2006-02-16
GB0516646D0 (en) 2005-09-21
EP1779585A1 (en) 2007-05-02

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Legal Events

Date Code Title Description
AT Applications terminated before publication under section 16(1)