ATE137627T1 - Verfahren und einrichtung zur verschlüsselung mittels modulo 2-addition und blocksubstitution - Google Patents
Verfahren und einrichtung zur verschlüsselung mittels modulo 2-addition und blocksubstitutionInfo
- Publication number
- ATE137627T1 ATE137627T1 AT90310813T AT90310813T ATE137627T1 AT E137627 T1 ATE137627 T1 AT E137627T1 AT 90310813 T AT90310813 T AT 90310813T AT 90310813 T AT90310813 T AT 90310813T AT E137627 T1 ATE137627 T1 AT E137627T1
- Authority
- AT
- Austria
- Prior art keywords
- modulo
- addition
- block substitution
- substitution
- encryption
- Prior art date
Links
- 238000006467 substitution reaction Methods 0.000 title abstract 5
- 238000000034 method Methods 0.000 title abstract 4
- 230000009466 transformation Effects 0.000 abstract 2
- 239000000654 additive Substances 0.000 abstract 1
- 230000000996 additive effect Effects 0.000 abstract 1
- 238000013507 mapping Methods 0.000 abstract 1
- 238000000844 transformation Methods 0.000 abstract 1
- 239000013598 vector Substances 0.000 abstract 1
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
- H04L9/0618—Block ciphers, i.e. encrypting groups of characters of a plain text message using fixed encryption transformation
Landscapes
- Engineering & Computer Science (AREA)
- Computer Security & Cryptography (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Storage Device Security (AREA)
- Error Detection And Correction (AREA)
- Mobile Radio Communication Systems (AREA)
- Stereo-Broadcasting Methods (AREA)
- Slot Machines And Peripheral Devices (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US07/416,953 US5038376A (en) | 1989-10-04 | 1989-10-04 | Block substitution based encryption by a modulo 2 addition method and apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| ATE137627T1 true ATE137627T1 (de) | 1996-05-15 |
Family
ID=23651992
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| AT90310813T ATE137627T1 (de) | 1989-10-04 | 1990-10-03 | Verfahren und einrichtung zur verschlüsselung mittels modulo 2-addition und blocksubstitution |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US5038376A (de) |
| EP (1) | EP0421754B1 (de) |
| JP (1) | JP3044565B2 (de) |
| AT (1) | ATE137627T1 (de) |
| DE (1) | DE69026784T2 (de) |
| IL (1) | IL95895A0 (de) |
Families Citing this family (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5214704A (en) * | 1989-10-04 | 1993-05-25 | Teledyne Industries, Inc. | Nonlinear dynamic substitution devices and methods for block substitutions |
| US5317639A (en) * | 1989-10-04 | 1994-05-31 | Teledyne Industries, Inc. | Non-linear block substitution devices derived by constructive corruption |
| US5647001A (en) * | 1989-10-04 | 1997-07-08 | Litton Systems, Inc. | Nonlinear dynamic substitution devices and methods for block substitutions employing coset decompositions and direct geometric generation |
| US5307412A (en) * | 1992-09-30 | 1994-04-26 | Vobach Arnold R | Random coding cipher system and method |
| US5864622A (en) * | 1992-11-20 | 1999-01-26 | Pitney Bowes Inc. | Secure identification card and method and apparatus for producing and authenticating same |
| AU3560895A (en) * | 1995-09-26 | 1997-04-17 | Xian Kan Lin | A method for encryption of file |
| US5838794A (en) * | 1996-01-11 | 1998-11-17 | Teledyne Electronic Technologies | Method and apparatus for inter-round mixing in iterated block substitution systems |
| DE19834934C2 (de) * | 1998-07-29 | 2000-08-31 | Sikom Sicherheits Und Kommunik | Verfahren zur gesicherten Übertragung von Daten |
| US7292693B1 (en) | 1998-08-13 | 2007-11-06 | Teledyne Technologies Incorporated | Deterministically generating block substitution tables which meet a given standard of nonlinearity |
| DE10162991A1 (de) * | 2001-12-20 | 2003-07-17 | Siemens Ag | Verfahren zum rechnergestützten Ver- und Entschlüsseln von Daten |
| US7526643B2 (en) * | 2004-01-08 | 2009-04-28 | Encryption Solutions, Inc. | System for transmitting encrypted data |
| US7752453B2 (en) | 2004-01-08 | 2010-07-06 | Encryption Solutions, Inc. | Method of encrypting and transmitting data and system for transmitting encrypted data |
| US8031865B2 (en) * | 2004-01-08 | 2011-10-04 | Encryption Solutions, Inc. | Multiple level security system and method for encrypting data within documents |
| US7849125B2 (en) | 2006-07-07 | 2010-12-07 | Via Telecom Co., Ltd | Efficient computation of the modulo operation based on divisor (2n-1) |
| CA2736910C (en) * | 2008-05-20 | 2017-01-24 | Irdeto Corporate B.V. | Cryptographic system |
| US20150033016A1 (en) * | 2013-07-23 | 2015-01-29 | Battelle Memorial Institute | Systems and methods for securing real-time messages |
| CN111353166B (zh) * | 2020-02-25 | 2021-10-26 | 南通大学 | 一种图片转汉字的加密方法 |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3683513A (en) * | 1970-11-19 | 1972-08-15 | Europaische Handelsgellschaft | Apparatus for automatically enciphering and/or deciphering a test consisting of multidigit dual coded characters |
| SE7714587L (sv) * | 1977-12-21 | 1979-06-22 | Brendstrom Hugo | System for meddelanden |
| US4520232A (en) * | 1982-04-30 | 1985-05-28 | Wilson William J | Polygraphic encryption-decryption system |
| US4776011A (en) * | 1983-10-24 | 1988-10-04 | Sony Corporation | Recursive key schedule cryptographic system |
| US4797921A (en) * | 1984-11-13 | 1989-01-10 | Hitachi, Ltd. | System for enciphering or deciphering data |
| US4685132A (en) * | 1985-07-30 | 1987-08-04 | Sperry Corporation | Bent sequence code generator |
| US4932056A (en) * | 1989-03-16 | 1990-06-05 | Yeda Research And Development Company Limited | Method and apparatus for user identification based on permuted kernels |
-
1989
- 1989-10-04 US US07/416,953 patent/US5038376A/en not_active Expired - Lifetime
-
1990
- 1990-10-03 EP EP90310813A patent/EP0421754B1/de not_active Expired - Lifetime
- 1990-10-03 DE DE69026784T patent/DE69026784T2/de not_active Expired - Fee Related
- 1990-10-03 AT AT90310813T patent/ATE137627T1/de not_active IP Right Cessation
- 1990-10-03 IL IL95895A patent/IL95895A0/xx not_active IP Right Cessation
- 1990-10-04 JP JP2265298A patent/JP3044565B2/ja not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| US5038376A (en) | 1991-08-06 |
| DE69026784T2 (de) | 1996-12-12 |
| HK1006343A1 (en) | 1999-02-19 |
| IL95895A0 (en) | 1991-07-18 |
| JPH03192383A (ja) | 1991-08-22 |
| EP0421754A3 (en) | 1992-08-26 |
| JP3044565B2 (ja) | 2000-05-22 |
| DE69026784D1 (de) | 1996-06-05 |
| EP0421754B1 (de) | 1996-05-01 |
| EP0421754A2 (de) | 1991-04-10 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| RER | Ceased as to paragraph 5 lit. 3 law introducing patent treaties |