BR9804845A - M-todo e apar-lho para intera-Æo mÚltipla cmea de criptografia e descriptografia para aumentar a seguran-a das mensagens telef-nicas sem fio - Google Patents

M-todo e apar-lho para intera-Æo mÚltipla cmea de criptografia e descriptografia para aumentar a seguran-a das mensagens telef-nicas sem fio

Info

Publication number
BR9804845A
BR9804845A BR9804845A BR9804845A BR9804845A BR 9804845 A BR9804845 A BR 9804845A BR 9804845 A BR9804845 A BR 9804845A BR 9804845 A BR9804845 A BR 9804845A BR 9804845 A BR9804845 A BR 9804845A
Authority
BR
Brazil
Prior art keywords
decryption
interactions
security
increase
wireless phone
Prior art date
Application number
BR9804845A
Other languages
English (en)
Inventor
Mark H Etzel
Robert John Frank
Daniel Nelson Heer
Robert Joseph Mcnelis
Semyon B Mizikovky
Robert John Rance
Original Assignee
Lucent Technologies 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 Lucent Technologies Inc filed Critical Lucent Technologies Inc
Publication of BR9804845A publication Critical patent/BR9804845A/pt

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
    • H04L9/06—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
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Security & Cryptography (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)
BR9804845A 1997-04-14 1998-04-14 M-todo e apar-lho para intera-Æo mÚltipla cmea de criptografia e descriptografia para aumentar a seguran-a das mensagens telef-nicas sem fio BR9804845A (pt)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US4353697P 1997-04-14 1997-04-14
US09/059,107 US6266411B1 (en) 1997-04-14 1998-04-13 Method and apparatus for multiple-iteration CMEA encryption and decryption for improved security for wireless telephone messages
PCT/US1998/007823 WO1998047262A2 (en) 1997-04-14 1998-04-14 Methods and apparatus for multiple-iteration cmea encryption and decryption for improved security for wireless telephone messages

Publications (1)

Publication Number Publication Date
BR9804845A true BR9804845A (pt) 1999-08-24

Family

ID=26720525

Family Applications (1)

Application Number Title Priority Date Filing Date
BR9804845A BR9804845A (pt) 1997-04-14 1998-04-14 M-todo e apar-lho para intera-Æo mÚltipla cmea de criptografia e descriptografia para aumentar a seguran-a das mensagens telef-nicas sem fio

Country Status (7)

Country Link
US (1) US6266411B1 (pt)
EP (1) EP0914732B1 (pt)
CN (1) CN1237752C (pt)
BR (1) BR9804845A (pt)
CA (1) CA2258749A1 (pt)
DE (1) DE69836185T2 (pt)
WO (1) WO1998047262A2 (pt)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6075859A (en) * 1997-03-11 2000-06-13 Qualcomm Incorporated Method and apparatus for encrypting data in a wireless communication system
KR20000054658A (ko) * 2000-06-16 2000-09-05 김송식 보안 단문 서비스 응용방법
US7120255B2 (en) * 2002-04-04 2006-10-10 International Business Machines Corporation Java applications for secured palm held cellular communications
DE10229811A1 (de) * 2002-07-03 2004-01-15 Deutsche Telekom Ag Verschlüsselungsverfahren basierend auf Faktorisierung
US7227946B2 (en) * 2003-04-16 2007-06-05 Oregon Health & Science University Automated permutation method and apparatus
CN102932135A (zh) * 2012-10-25 2013-02-13 福建升腾资讯有限公司 一种3des加密方法

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5003597A (en) * 1989-12-21 1991-03-26 Xerox Corporation Method and apparatus for data encryption
US5159634A (en) * 1991-09-13 1992-10-27 At&T Bell Laboratories Cryptosystem for cellular telephony
WO1993023938A1 (en) * 1992-05-15 1993-11-25 Tecsec Incorporated Voice and data encryption device
US5438622A (en) * 1994-01-21 1995-08-01 Apple Computer, Inc. Method and apparatus for improving the security of an electronic codebook encryption scheme utilizing an offset in the pseudorandom sequence
US5594797A (en) * 1995-02-22 1997-01-14 Nokia Mobile Phones Variable security level encryption
US6075859A (en) * 1997-03-11 2000-06-13 Qualcomm Incorporated Method and apparatus for encrypting data in a wireless communication system

Also Published As

Publication number Publication date
WO1998047262A2 (en) 1998-10-22
DE69836185D1 (de) 2006-11-30
WO1998047262A3 (en) 1999-02-25
CN1237752C (zh) 2006-01-18
CA2258749A1 (en) 1998-10-22
US6266411B1 (en) 2001-07-24
DE69836185T2 (de) 2007-08-23
EP0914732A2 (en) 1999-05-12
EP0914732B1 (en) 2006-10-18
WO1998047262A9 (en) 1999-04-22
CN1227021A (zh) 1999-08-25

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Legal Events

Date Code Title Description
B08F Application dismissed because of non-payment of annual fees [chapter 8.6 patent gazette]

Free format text: REFERENTE A 4A,6A,7A,8A E 9A ANUIDADES.

B08K Patent lapsed as no evidence of payment of the annual fee has been furnished to inpi [chapter 8.11 patent gazette]

Free format text: REFERENTE AO DESPACHO 8.6 PUBLICADO NA RPI 1886 DE 27/02/2007.