FI891881A0 - FOERFARANDE FOER ATT SKYDDA DATATRAFIKFOERBINDELSER. - Google Patents

FOERFARANDE FOER ATT SKYDDA DATATRAFIKFOERBINDELSER.

Info

Publication number
FI891881A0
FI891881A0 FI891881A FI891881A FI891881A0 FI 891881 A0 FI891881 A0 FI 891881A0 FI 891881 A FI891881 A FI 891881A FI 891881 A FI891881 A FI 891881A FI 891881 A0 FI891881 A0 FI 891881A0
Authority
FI
Finland
Prior art keywords
datatrafikfoerbindelser
foerfarande foer
foer att
skydda
att skydda
Prior art date
Application number
FI891881A
Other languages
Finnish (fi)
Other versions
FI82340C (en
FI891881A (en
FI82340B (en
Inventor
Jarmo Toivanen
Jyrki Penttonen
Original Assignee
Tecnomen Oy
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 Tecnomen Oy filed Critical Tecnomen Oy
Priority to FI891881A priority Critical patent/FI82340C/en
Publication of FI891881A0 publication Critical patent/FI891881A0/en
Priority to PCT/FI1990/000110 priority patent/WO1990013192A1/en
Publication of FI891881A publication Critical patent/FI891881A/en
Application granted granted Critical
Publication of FI82340B publication Critical patent/FI82340B/en
Publication of FI82340C publication Critical patent/FI82340C/en

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
    • H04L9/088—Usage controlling of secret information, e.g. techniques for restricting cryptographic keys to pre-authorized uses, different access levels, validity of crypto-period, different key- or password length, or different strong and weak cryptographic algorithms
FI891881A 1989-04-20 1989-04-20 FOERFARANDE FOER ATT SKYDDA DATATRAFIKFOERBINDELSER. FI82340C (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
FI891881A FI82340C (en) 1989-04-20 1989-04-20 FOERFARANDE FOER ATT SKYDDA DATATRAFIKFOERBINDELSER.
PCT/FI1990/000110 WO1990013192A1 (en) 1989-04-20 1990-04-17 Method for the protection of a telecommunication link

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FI891881A FI82340C (en) 1989-04-20 1989-04-20 FOERFARANDE FOER ATT SKYDDA DATATRAFIKFOERBINDELSER.
FI891881 1989-04-20

Publications (4)

Publication Number Publication Date
FI891881A0 true FI891881A0 (en) 1989-04-20
FI891881A FI891881A (en) 1990-10-21
FI82340B FI82340B (en) 1990-10-31
FI82340C FI82340C (en) 1991-02-11

Family

ID=8528279

Family Applications (1)

Application Number Title Priority Date Filing Date
FI891881A FI82340C (en) 1989-04-20 1989-04-20 FOERFARANDE FOER ATT SKYDDA DATATRAFIKFOERBINDELSER.

Country Status (2)

Country Link
FI (1) FI82340C (en)
WO (1) WO1990013192A1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2777143B1 (en) * 1998-04-03 2000-06-09 Sagem SECURE TRANSMISSION METHOD THROUGH A COMPUTER NETWORK SUCH AS THE INTERNET AND TRANSMISSION EQUIPMENT FOR IMPLEMENTING THE METHOD

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5786964A (en) * 1980-11-19 1982-05-31 Hitachi Ltd Secrecy security system of electronic computer system
US4731840A (en) * 1985-05-06 1988-03-15 The United States Of America As Represented By The United States Department Of Energy Method for encryption and transmission of digital keying data

Also Published As

Publication number Publication date
FI82340C (en) 1991-02-11
FI891881A (en) 1990-10-21
FI82340B (en) 1990-10-31
WO1990013192A1 (en) 1990-11-01

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Legal Events

Date Code Title Description
MM Patent lapsed

Owner name: TECNOMEN OY