ATE382219T1 - Prozessor und verfahren für end-to-end- verschlüsselungssynchronisation - Google Patents

Prozessor und verfahren für end-to-end- verschlüsselungssynchronisation

Info

Publication number
ATE382219T1
ATE382219T1 AT04727904T AT04727904T ATE382219T1 AT E382219 T1 ATE382219 T1 AT E382219T1 AT 04727904 T AT04727904 T AT 04727904T AT 04727904 T AT04727904 T AT 04727904T AT E382219 T1 ATE382219 T1 AT E382219T1
Authority
AT
Austria
Prior art keywords
processor
encryption
encryption synchronization
information
encrypted
Prior art date
Application number
AT04727904T
Other languages
English (en)
Inventor
David Chater-Lea
Original Assignee
Motorola 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
Application filed by Motorola Inc filed Critical Motorola Inc
Application granted granted Critical
Publication of ATE382219T1 publication Critical patent/ATE382219T1/de

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
    • H04L9/14—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
    • H04L9/12—Transmitting and receiving encryption devices synchronised or initially set up in a particular manner
    • 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
    • H04L9/06—Cryptographic 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
    • H04L9/065—Encryption by serially and continuously modifying data stream elements, e.g. stream cipher systems, RC4, SEAL or A5/3
    • H04L9/0656—Pseudorandom key sequence combined element-for-element with data sequence, e.g. one-time-pad [OTP] or Vernam's cipher
    • H04L9/0662—Pseudorandom key sequence combined element-for-element with data sequence, e.g. one-time-pad [OTP] or Vernam's cipher with particular pseudorandom sequence generator
    • 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
    • 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
    • H04L9/30—Public key, i.e. encryption algorithm being computationally infeasible to invert or user's encryption keys not requiring secrecy

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Security & Cryptography (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Computing Systems (AREA)
  • Theoretical Computer Science (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Communication Control (AREA)
  • Reduction Or Emphasis Of Bandwidth Of Signals (AREA)
  • Storage Device Security (AREA)
  • Synchronisation In Digital Transmission Systems (AREA)
AT04727904T 2003-05-19 2004-04-16 Prozessor und verfahren für end-to-end- verschlüsselungssynchronisation ATE382219T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB0311571A GB2402024B (en) 2003-05-19 2003-05-19 Processor,method,transmitter and terminal for use in communications

Publications (1)

Publication Number Publication Date
ATE382219T1 true ATE382219T1 (de) 2008-01-15

Family

ID=9958423

Family Applications (1)

Application Number Title Priority Date Filing Date
AT04727904T ATE382219T1 (de) 2003-05-19 2004-04-16 Prozessor und verfahren für end-to-end- verschlüsselungssynchronisation

Country Status (7)

Country Link
EP (1) EP1627490B1 (de)
KR (1) KR20060003375A (de)
AT (1) ATE382219T1 (de)
DE (1) DE602004010903T2 (de)
GB (1) GB2402024B (de)
NO (1) NO20055411L (de)
WO (1) WO2004102872A1 (de)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2439613B (en) * 2006-06-30 2008-08-27 Motorola Inc Processor, method and terminal for use in communications
KR101991664B1 (ko) * 2017-03-15 2019-06-21 주식회사 카이 블록 암호화에 기초한 콘텐츠의 암호화 및 복호화 방법 및 장치

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5805705A (en) * 1996-01-29 1998-09-08 International Business Machines Corporation Synchronization of encryption/decryption keys in a data communication network
US5694473A (en) * 1996-05-17 1997-12-02 Motorola, Inc. Decryption of retransmitted data in an encrypted communication system
FI20002608A (fi) * 2000-11-28 2002-05-29 Nokia Corp Päästä-päähän -tahdistksen ylläpitäminen tietoliikeneyhteydellä
FI20002607A (fi) * 2000-11-28 2002-05-29 Nokia Corp Päästä-päähän -tahdistuksen ylläpitäminen tietoliikenneyhteydellä
GB0116016D0 (en) * 2001-06-29 2001-08-22 Simoco Digital Systems Ltd Communications systems

Also Published As

Publication number Publication date
KR20060003375A (ko) 2006-01-10
GB0311571D0 (en) 2003-06-25
DE602004010903D1 (de) 2008-02-07
EP1627490B1 (de) 2007-12-26
NO20055411L (no) 2006-02-08
GB2402024A (en) 2004-11-24
DE602004010903T2 (de) 2008-05-08
EP1627490A1 (de) 2006-02-22
GB2402024B (en) 2005-07-13
WO2004102872A1 (en) 2004-11-25
NO20055411D0 (no) 2005-11-16

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Legal Events

Date Code Title Description
RER Ceased as to paragraph 5 lit. 3 law introducing patent treaties