FI951945A0 - Förfarande och anordning för tillhandahållande av kryptografiskt skydd för dataflöde i ett kommunikationssystem - Google Patents

Förfarande och anordning för tillhandahållande av kryptografiskt skydd för dataflöde i ett kommunikationssystem

Info

Publication number
FI951945A0
FI951945A0 FI951945A FI951945A FI951945A0 FI 951945 A0 FI951945 A0 FI 951945A0 FI 951945 A FI951945 A FI 951945A FI 951945 A FI951945 A FI 951945A FI 951945 A0 FI951945 A0 FI 951945A0
Authority
FI
Finland
Prior art keywords
communication system
data flow
cryptographic data
flow protection
providing cryptographic
Prior art date
Application number
FI951945A
Other languages
English (en)
Finnish (fi)
Other versions
FI115016B (sv
FI951945A (sv
Inventor
Louis D Finkelstein
James J Kosmach
Jeffrey Charles Smolinske
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=22345810&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=FI951945(A0) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Motorola Inc filed Critical Motorola Inc
Publication of FI951945A0 publication Critical patent/FI951945A0/sv
Publication of FI951945A publication Critical patent/FI951945A/sv
Application granted granted Critical
Publication of FI115016B publication Critical patent/FI115016B/sv

Links

Classifications

    • 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
    • H04L63/04—Network architectures or network communication protocols for network security for providing a confidential data exchange among entities communicating through data packet networks
    • H04L63/0428—Network architectures or network communication protocols for network security for providing a confidential data exchange among entities communicating through data packet networks wherein the data content is protected, e.g. by encrypting or encapsulating the payload
    • H04L63/0457—Network architectures or network communication protocols for network security for providing a confidential data exchange among entities communicating through data packet networks wherein the data content is protected, e.g. by encrypting or encapsulating the payload wherein the sending and receiving network entities apply dynamic encryption, e.g. stream encryption
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09C—CIPHERING OR DECIPHERING APPARATUS FOR CRYPTOGRAPHIC OR OTHER PURPOSES INVOLVING THE NEED FOR SECRECY
    • G09C1/00—Apparatus or methods whereby a given sequence of signs, e.g. an intelligible text, is transformed into an unintelligible sequence of signs by transposing the signs or groups of signs or by replacing them by others according to a predetermined system
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/12—Arrangements for detecting or preventing errors in the information received by using return channel
    • H04L1/16—Arrangements for detecting or preventing errors in the information received by using return channel in which the return channel carries supervisory signals, e.g. repetition request signals
    • H04L1/1607—Details of the supervisory signal
    • H04L1/1642—Formats specially adapted for sequence numbers
    • 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
    • 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
    • H04L9/40—Network security protocols

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Security & Cryptography (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Computer Hardware Design (AREA)
  • Computing Systems (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Data Exchanges In Wide-Area Networks (AREA)
  • Mobile Radio Communication Systems (AREA)
FI951945A 1993-08-26 1995-04-25 Förfarande och anordning för tillhandahållande av kryptografiskt skydd för dataflöde i ett kommunikationssystem FI115016B (sv)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US08/112,780 US5319712A (en) 1993-08-26 1993-08-26 Method and apparatus for providing cryptographic protection of a data stream in a communication system
US11278093 1993-08-26
PCT/US1994/007672 WO1995006374A1 (en) 1993-08-26 1994-07-11 Method and apparatus for providing cryptographic protection of a data stream in a communication system
US9407672 1994-07-11

Publications (3)

Publication Number Publication Date
FI951945A0 true FI951945A0 (sv) 1995-04-25
FI951945A FI951945A (sv) 1995-04-25
FI115016B FI115016B (sv) 2005-02-15

Family

ID=22345810

Family Applications (1)

Application Number Title Priority Date Filing Date
FI951945A FI115016B (sv) 1993-08-26 1995-04-25 Förfarande och anordning för tillhandahållande av kryptografiskt skydd för dataflöde i ett kommunikationssystem

Country Status (7)

Country Link
US (1) US5319712A (sv)
EP (1) EP0671092B1 (sv)
JP (1) JP3983281B2 (sv)
KR (2) KR0145494B1 (sv)
CA (1) CA2146024C (sv)
FI (1) FI115016B (sv)
WO (1) WO1995006374A1 (sv)

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Also Published As

Publication number Publication date
FI115016B (sv) 2005-02-15
KR0145494B1 (ko) 1998-08-01
WO1995006374A1 (en) 1995-03-02
EP0671092B1 (en) 2000-09-27
EP0671092A1 (en) 1995-09-13
EP0671092A4 (en) 1995-12-13
JP3983281B2 (ja) 2007-09-26
FI951945A (sv) 1995-04-25
JPH08503113A (ja) 1996-04-02
US5319712A (en) 1994-06-07
CA2146024A1 (en) 1995-03-02
KR950704882A (ko) 1995-11-20
CA2146024C (en) 1998-09-22

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