CA2497935C - Stream cipher design with revolving buffers - Google Patents
Stream cipher design with revolving buffers Download PDFInfo
- Publication number
- CA2497935C CA2497935C CA2497935A CA2497935A CA2497935C CA 2497935 C CA2497935 C CA 2497935C CA 2497935 A CA2497935 A CA 2497935A CA 2497935 A CA2497935 A CA 2497935A CA 2497935 C CA2497935 C CA 2497935C
- Authority
- CA
- Canada
- Prior art keywords
- recited
- walk
- storage units
- pairing function
- threshold value
- Prior art date
- Legal status (The legal status 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 status listed.)
- Expired - Fee Related
Links
- 239000000872 buffer Substances 0.000 title description 18
- 238000013461 design Methods 0.000 title description 3
- 238000000034 method Methods 0.000 claims abstract description 76
- 230000006870 function Effects 0.000 claims description 93
- 230000015654 memory Effects 0.000 claims description 43
- 238000005295 random walk Methods 0.000 claims description 22
- 238000005728 strengthening Methods 0.000 claims description 14
- 239000000654 additive Substances 0.000 claims description 8
- 230000000996 additive effect Effects 0.000 claims description 8
- 230000002708 enhancing effect Effects 0.000 claims 4
- 238000004891 communication Methods 0.000 description 9
- 230000003287 optical effect Effects 0.000 description 9
- 238000005516 engineering process Methods 0.000 description 5
- 238000010276 construction Methods 0.000 description 4
- 230000006855 networking Effects 0.000 description 4
- 238000012545 processing Methods 0.000 description 4
- 230000002093 peripheral effect Effects 0.000 description 3
- 230000007246 mechanism Effects 0.000 description 2
- 238000007639 printing Methods 0.000 description 2
- OKUGPJPKMAEJOE-UHFFFAOYSA-N S-propyl dipropylcarbamothioate Chemical compound CCCSC(=O)N(CCC)CCC OKUGPJPKMAEJOE-UHFFFAOYSA-N 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 238000003491 array Methods 0.000 description 1
- 230000001413 cellular effect Effects 0.000 description 1
- 238000013507 mapping Methods 0.000 description 1
- 230000005055 memory storage Effects 0.000 description 1
- 238000004088 simulation Methods 0.000 description 1
- 238000000528 statistical test Methods 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 230000007723 transport mechanism Effects 0.000 description 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
- H04L9/08—Key distribution or management, e.g. generation, sharing or updating, of cryptographic keys or passwords
- H04L9/0894—Escrow, recovery or storing of secret information, e.g. secret key escrow or cryptographic key storage
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G39/00—Rollers, e.g. drive rollers, or arrangements thereof incorporated in roller-ways or other types of mechanical conveyors
- B65G39/02—Adaptations of individual rollers and supports therefor
- B65G39/08—Adaptations of individual rollers and supports therefor the rollers being magnetic
-
- 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
- H04L2209/00—Additional information or applications relating to cryptographic mechanisms or cryptographic arrangements for secret or secure communication H04L9/00
- H04L2209/08—Randomization, e.g. dummy operations or using noise
-
- 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)
- Mechanical Engineering (AREA)
- Mobile Radio Communication Systems (AREA)
- Storage Device Security (AREA)
- Lock And Its Accessories (AREA)
- Complex Calculations (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US10/815,572 | 2004-03-31 | ||
| US10/815,572 US7505588B2 (en) | 2004-03-31 | 2004-03-31 | Stream cipher design with revolving buffers |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CA2497935A1 CA2497935A1 (en) | 2005-09-30 |
| CA2497935C true CA2497935C (en) | 2012-11-27 |
Family
ID=34887748
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA2497935A Expired - Fee Related CA2497935C (en) | 2004-03-31 | 2005-02-22 | Stream cipher design with revolving buffers |
Country Status (12)
| Country | Link |
|---|---|
| US (1) | US7505588B2 (cg-RX-API-DMAC7.html) |
| EP (1) | EP1583278B1 (cg-RX-API-DMAC7.html) |
| JP (1) | JP4728657B2 (cg-RX-API-DMAC7.html) |
| KR (1) | KR101143041B1 (cg-RX-API-DMAC7.html) |
| CN (1) | CN1677917B (cg-RX-API-DMAC7.html) |
| AT (1) | ATE466430T1 (cg-RX-API-DMAC7.html) |
| AU (1) | AU2005200388B2 (cg-RX-API-DMAC7.html) |
| BR (1) | BRPI0500539A (cg-RX-API-DMAC7.html) |
| CA (1) | CA2497935C (cg-RX-API-DMAC7.html) |
| DE (1) | DE602005020872D1 (cg-RX-API-DMAC7.html) |
| MX (1) | MXPA05002553A (cg-RX-API-DMAC7.html) |
| RU (1) | RU2390949C2 (cg-RX-API-DMAC7.html) |
Families Citing this family (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7853018B2 (en) * | 2005-11-10 | 2010-12-14 | Atallah Mikhail J | Method and apparatus for hiding a private key |
| US7907726B2 (en) * | 2006-01-19 | 2011-03-15 | Microsoft Corporation | Pseudorandom number generation with expander graphs |
| DE102006030325B4 (de) * | 2006-06-30 | 2009-12-31 | Gerhard Kosel | Verfahren für die Konstruktion eines Schlüsselstrom-Generators zur Erzeugung von Pseudo-Zufallszahlen für kryptographische Anwendungen |
| KR100885994B1 (ko) * | 2006-11-09 | 2009-03-03 | 한국전자통신연구원 | 비선형 필터링된 ｔ함수에 기반한 스트림 암호화 장치 및방법 |
| US8036377B1 (en) * | 2006-12-12 | 2011-10-11 | Marvell International Ltd. | Method and apparatus of high speed encryption and decryption |
| KR100931581B1 (ko) * | 2007-12-06 | 2009-12-14 | 한국전자통신연구원 | Ｔｓｃ-4 스트림 암호 연산을 수행하기 위한 장치 |
| US8588408B2 (en) * | 2008-12-19 | 2013-11-19 | France Telecom | Method of implementing a block cipher algorithm |
| US8719593B2 (en) * | 2009-05-20 | 2014-05-06 | Harris Corporation | Secure processing device with keystream cache and related methods |
| KR101588279B1 (ko) * | 2009-05-26 | 2016-01-25 | 삼성전자주식회사 | 무선 통신 시스템에서 데이터 암호화 방법 및 장치 |
| EA021803B1 (ru) * | 2012-04-25 | 2015-09-30 | Открытое Акционерное Общество "Информационные Технологии И Коммуникационные Системы" (Оао "Инфотекс") | Способ шифрования данных для вычислительных платформ с simd-архитектурой |
| US9584313B2 (en) | 2013-08-09 | 2017-02-28 | Introspective Power, Inc. | Streaming one time pad cipher using rotating ports for data encryption |
| US9584488B2 (en) | 2013-08-09 | 2017-02-28 | Introspective Power, Inc. | Data encryption cipher using rotating ports |
| US20160105276A1 (en) * | 2014-10-10 | 2016-04-14 | Qualcomm Incorporated | Rotation-based cipher |
| RU2595921C1 (ru) * | 2015-03-12 | 2016-08-27 | Евгения Александровна Алисевич | Способ усиления радиосигналов путем управляемой регенерации |
| WO2017115380A1 (en) * | 2015-12-28 | 2017-07-06 | Sathyanarayana Nittoor Vivek | A system and method for generation of error-correcting codes in communication systems |
| RU2706463C1 (ru) * | 2018-07-14 | 2019-11-19 | Хаджимурат Магомедович Гаджиев | Способ кодирования информации в компьютерных сетях с использованием переменного PIN-кода, наборов случайных чисел и функциональных преобразований, проводимых синхронно для передающей и принимающей сторон |
| RU2710669C1 (ru) * | 2018-11-06 | 2019-12-30 | Открытое Акционерное Общество "Информационные Технологии И Коммуникационные Системы" | Способ шифрования данных |
| CN112764782B (zh) * | 2021-01-28 | 2024-07-05 | 维沃移动通信有限公司 | 应用程序的更新方法、应用程序的更新装置 |
Family Cites Families (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2091983C1 (ru) * | 1993-02-09 | 1997-09-27 | Геннадий Николаевич Чижухин | Способ шифрования двоичной информации и устройство для его осуществления |
| US5604806A (en) * | 1995-01-20 | 1997-02-18 | Ericsson Inc. | Apparatus and method for secure radio communication |
| US5724427A (en) * | 1995-08-17 | 1998-03-03 | Lucent Technologies Inc. | Method and apparatus for autokey rotor encryption |
| US6182216B1 (en) * | 1997-09-17 | 2001-01-30 | Frank C. Luyster | Block cipher method |
| US6252958B1 (en) * | 1997-09-22 | 2001-06-26 | Qualcomm Incorporated | Method and apparatus for generating encryption stream ciphers |
| US6496928B1 (en) * | 1998-01-07 | 2002-12-17 | Microsoft Corporation | System for transmitting subscription information and content to a mobile device |
| US6646639B1 (en) * | 1998-07-22 | 2003-11-11 | Nvidia Corporation | Modified method and apparatus for improved occlusion culling in graphics systems |
| US6560338B1 (en) * | 1998-08-28 | 2003-05-06 | Qualcomm Incorporated | Limiting delays associated with the generation of encryption stream ciphers |
| US7170997B2 (en) * | 2000-12-07 | 2007-01-30 | Cryptico A/S | Method of generating pseudo-random numbers in an electronic device, and a method of encrypting and decrypting electronic data |
| US7230978B2 (en) * | 2000-12-29 | 2007-06-12 | Infineon Technologies Ag | Channel CODEC processor configurable for multiple wireless communications standards |
| US20030059040A1 (en) * | 2001-08-22 | 2003-03-27 | Rose Gregory G. | Method and apparatus for increasing the accuracy and speed of correlation attacks |
| GB0123302D0 (en) * | 2001-09-28 | 2001-11-21 | Hw Comm Ltd | Cipher apparatus |
| US6947960B2 (en) * | 2002-02-21 | 2005-09-20 | Koninklijke Philips Electronics N.V. | Randomness test utilizing auto-correlation |
| WO2003104969A2 (en) * | 2002-06-06 | 2003-12-18 | Cryptico A/S | Method for improving unpredictability of output of pseudo-random number generators |
| AU2003256011A1 (en) * | 2002-09-09 | 2004-03-29 | Koninklijke Philips Electronics N.V. | Image encryption method and visual decryption device |
-
2004
- 2004-03-31 US US10/815,572 patent/US7505588B2/en not_active Expired - Lifetime
-
2005
- 2005-01-31 AU AU2005200388A patent/AU2005200388B2/en not_active Ceased
- 2005-02-09 JP JP2005033533A patent/JP4728657B2/ja not_active Expired - Fee Related
- 2005-02-15 RU RU2005104020/09A patent/RU2390949C2/ru not_active IP Right Cessation
- 2005-02-18 BR BR0500539-6A patent/BRPI0500539A/pt not_active IP Right Cessation
- 2005-02-22 CA CA2497935A patent/CA2497935C/en not_active Expired - Fee Related
- 2005-02-25 CN CN2005100528418A patent/CN1677917B/zh not_active Expired - Fee Related
- 2005-02-25 KR KR1020050016004A patent/KR101143041B1/ko not_active Expired - Fee Related
- 2005-03-04 MX MXPA05002553A patent/MXPA05002553A/es active IP Right Grant
- 2005-03-24 AT AT05102396T patent/ATE466430T1/de not_active IP Right Cessation
- 2005-03-24 EP EP05102396A patent/EP1583278B1/en not_active Expired - Lifetime
- 2005-03-24 DE DE602005020872T patent/DE602005020872D1/de not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| AU2005200388B2 (en) | 2009-09-24 |
| US20050220302A1 (en) | 2005-10-06 |
| CA2497935A1 (en) | 2005-09-30 |
| US7505588B2 (en) | 2009-03-17 |
| KR20060042385A (ko) | 2006-05-12 |
| CN1677917A (zh) | 2005-10-05 |
| RU2005104020A (ru) | 2006-07-20 |
| EP1583278A1 (en) | 2005-10-05 |
| AU2005200388A1 (en) | 2005-10-20 |
| DE602005020872D1 (de) | 2010-06-10 |
| RU2390949C2 (ru) | 2010-05-27 |
| EP1583278B1 (en) | 2010-04-28 |
| KR101143041B1 (ko) | 2012-05-08 |
| JP2005295507A (ja) | 2005-10-20 |
| ATE466430T1 (de) | 2010-05-15 |
| MXPA05002553A (es) | 2005-10-05 |
| CN1677917B (zh) | 2010-08-25 |
| JP4728657B2 (ja) | 2011-07-20 |
| BRPI0500539A (pt) | 2005-11-01 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| EEER | Examination request | ||
| MKLA | Lapsed |
Effective date: 20160222 |