ATE159395T1 - Vorrichtung zur verschlüsselung und entschlüsselung von signalen - Google Patents
Vorrichtung zur verschlüsselung und entschlüsselung von signalenInfo
- Publication number
- ATE159395T1 ATE159395T1 AT92307041T AT92307041T ATE159395T1 AT E159395 T1 ATE159395 T1 AT E159395T1 AT 92307041 T AT92307041 T AT 92307041T AT 92307041 T AT92307041 T AT 92307041T AT E159395 T1 ATE159395 T1 AT E159395T1
- Authority
- AT
- Austria
- Prior art keywords
- encrypting
- predetermined
- code
- decrypting signals
- coding logic
- Prior art date
Links
Classifications
-
- 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
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F21/00—Security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
- G06F21/30—Authentication, i.e. establishing the identity or authorisation of security principals
- G06F21/44—Program or device authentication
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F2221/00—Indexing scheme relating to security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
- G06F2221/21—Indexing scheme relating to G06F21/00 and subgroups addressing additional information or applications relating to security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
- G06F2221/2135—Metering
Landscapes
- Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Computer Security & Cryptography (AREA)
- Physics & Mathematics (AREA)
- Software Systems (AREA)
- General Engineering & Computer Science (AREA)
- Computer Hardware Design (AREA)
- Storage Device Security (AREA)
- Error Detection And Correction (AREA)
- Selective Calling Equipment (AREA)
- Communication Control (AREA)
- Facsimile Transmission Control (AREA)
- Compression, Expansion, Code Conversion, And Decoders (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
ZA916493 | 1991-08-16 | ||
ZA923306A ZA923306B (en) | 1991-08-16 | 1992-05-07 | Device for encoding or decoding of signals |
Publications (1)
Publication Number | Publication Date |
---|---|
ATE159395T1 true ATE159395T1 (de) | 1997-11-15 |
Family
ID=27142102
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
AT92307041T ATE159395T1 (de) | 1991-08-16 | 1992-08-03 | Vorrichtung zur verschlüsselung und entschlüsselung von signalen |
Country Status (5)
Country | Link |
---|---|
EP (1) | EP0528572B2 (de) |
AT (1) | ATE159395T1 (de) |
AU (1) | AU663508B2 (de) |
DE (1) | DE69222715T3 (de) |
ZA (1) | ZA923306B (de) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE10301100A1 (de) * | 2003-01-08 | 2004-07-22 | Deutsche Telekom Ag | Telekommunikationsgestützter Zeitstempel |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4281315A (en) * | 1979-08-27 | 1981-07-28 | Bell Telephone Laboratories, Incorporated | Collection of messages from data terminals using different protocols and formats |
US4787028A (en) * | 1985-09-03 | 1988-11-22 | Ncr Corporation | Multicommunication protocol controller |
-
1992
- 1992-05-07 ZA ZA923306A patent/ZA923306B/xx unknown
- 1992-07-23 AU AU20520/92A patent/AU663508B2/en not_active Ceased
- 1992-08-03 EP EP92307041A patent/EP0528572B2/de not_active Expired - Lifetime
- 1992-08-03 AT AT92307041T patent/ATE159395T1/de active
- 1992-08-03 DE DE69222715T patent/DE69222715T3/de not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
EP0528572B2 (de) | 2005-07-06 |
DE69222715T2 (de) | 1998-02-12 |
DE69222715T3 (de) | 2006-04-27 |
AU663508B2 (en) | 1995-10-12 |
DE69222715D1 (de) | 1997-11-20 |
ZA923306B (en) | 1993-01-27 |
EP0528572B1 (de) | 1997-10-15 |
AU2052092A (en) | 1993-02-18 |
EP0528572A1 (de) | 1993-02-24 |
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