JP4369618B2 - 高速復号化を備えた暗号システムおよび方法 - Google Patents
高速復号化を備えた暗号システムおよび方法 Download PDFInfo
- Publication number
- JP4369618B2 JP4369618B2 JP2000527056A JP2000527056A JP4369618B2 JP 4369618 B2 JP4369618 B2 JP 4369618B2 JP 2000527056 A JP2000527056 A JP 2000527056A JP 2000527056 A JP2000527056 A JP 2000527056A JP 4369618 B2 JP4369618 B2 JP 4369618B2
- Authority
- JP
- Japan
- Prior art keywords
- value
- function
- message
- encoder
- decoder
- 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
- 238000000034 method Methods 0.000 title description 16
- 230000006870 function Effects 0.000 description 25
- 238000004891 communication Methods 0.000 description 11
- 230000003287 optical effect Effects 0.000 description 7
- 230000008569 process Effects 0.000 description 7
- 238000004364 calculation method Methods 0.000 description 5
- 238000012545 processing Methods 0.000 description 5
- 238000012360 testing method Methods 0.000 description 4
- 230000001010 compromised effect Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 230000017105 transposition Effects 0.000 description 3
- 238000013459 approach Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 230000002093 peripheral effect Effects 0.000 description 2
- 230000002441 reversible effect Effects 0.000 description 2
- OVSKIKFHRZPJSS-UHFFFAOYSA-N 2,4-D Chemical compound OC(=O)COC1=CC=C(Cl)C=C1Cl OVSKIKFHRZPJSS-UHFFFAOYSA-N 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 230000000135 prohibitive effect Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000012795 verification Methods 0.000 description 1
Images
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
- H04L9/30—Public key, i.e. encryption algorithm being computationally infeasible to invert or user's encryption keys not requiring secrecy
- H04L9/3006—Public key, i.e. encryption algorithm being computationally infeasible to invert or user's encryption keys not requiring secrecy underlying computational problems or public-key parameters
- H04L9/302—Public key, i.e. encryption algorithm being computationally infeasible to invert or user's encryption keys not requiring secrecy underlying computational problems or public-key parameters involving the integer factorization problem, e.g. RSA or quadratic sieve [QS] schemes
-
- 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
- H04L9/32—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols including means for verifying the identity or authority of a user of the system or for message authentication, e.g. authorization, entity authentication, data integrity or data verification, non-repudiation, key authentication or verification of credentials
- H04L9/3236—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols including means for verifying the identity or authority of a user of the system or for message authentication, e.g. authorization, entity authentication, data integrity or data verification, non-repudiation, key authentication or verification of credentials using cryptographic hash functions
- H04L9/3239—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols including means for verifying the identity or authority of a user of the system or for message authentication, e.g. authorization, entity authentication, data integrity or data verification, non-repudiation, key authentication or verification of credentials using cryptographic hash functions involving non-keyed hash functions, e.g. modification detection codes [MDCs], MD5, SHA or RIPEMD
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Computer Security & Cryptography (AREA)
- Computing Systems (AREA)
- Theoretical Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Storage Device Security (AREA)
- Mobile Radio Communication Systems (AREA)
- Transmission Systems Not Characterized By The Medium Used For Transmission (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US08/953,911 US6081598A (en) | 1997-10-20 | 1997-10-20 | Cryptographic system and method with fast decryption |
| PCT/US1998/019349 WO1999034552A2 (en) | 1997-10-20 | 1998-09-16 | Cryptographic system and method with fast decryption |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| JP2004524548A JP2004524548A (ja) | 2004-08-12 |
| JP2004524548A5 JP2004524548A5 (OSRAM) | 2004-12-24 |
| JP4369618B2 true JP4369618B2 (ja) | 2009-11-25 |
Family
ID=25494714
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2000527056A Expired - Fee Related JP4369618B2 (ja) | 1997-10-20 | 1998-09-16 | 高速復号化を備えた暗号システムおよび方法 |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US6081598A (OSRAM) |
| EP (1) | EP1031204B1 (OSRAM) |
| JP (1) | JP4369618B2 (OSRAM) |
| CN (1) | CN1282325C (OSRAM) |
| CA (1) | CA2307619C (OSRAM) |
| DE (1) | DE69833334T2 (OSRAM) |
| WO (1) | WO1999034552A2 (OSRAM) |
Families Citing this family (32)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10361802B1 (en) | 1999-02-01 | 2019-07-23 | Blanding Hovenweep, Llc | Adaptive pattern recognition based control system and method |
| GB9410337D0 (en) * | 1994-05-24 | 1994-07-13 | Cryptech Systems Inc | Key transmission system |
| KR100332763B1 (ko) * | 1999-02-10 | 2002-04-17 | 구자홍 | 디지탈데이터 플레이어의 복제방지 장치 및 방법 |
| JP2001016196A (ja) * | 1999-04-28 | 2001-01-19 | Fuji Soft Abc Inc | 多重アファイン鍵を用いる暗号化・復号化方法、認証方法、及びこれを用いる各装置 |
| US20020087884A1 (en) * | 2000-06-12 | 2002-07-04 | Hovav Shacham | Method and apparatus for enhancing network security protection server performance |
| US20020039420A1 (en) * | 2000-06-12 | 2002-04-04 | Hovav Shacham | Method and apparatus for batched network security protection server performance |
| WO2002005061A2 (en) | 2000-07-06 | 2002-01-17 | David Paul Felsher | Information record infrastructure, system and method |
| US6959091B1 (en) * | 2000-07-28 | 2005-10-25 | Atmel Corporation | Cryptography private key storage and recovery method and apparatus |
| US7137143B2 (en) | 2000-08-07 | 2006-11-14 | Ingrian Systems Inc. | Method and system for caching secure web content |
| US7155610B2 (en) * | 2000-12-19 | 2006-12-26 | Matsushita Electric Industrial Co., Ltd. | Cryptocommunication system, transmission apparatus, and reception apparatus |
| US7757278B2 (en) * | 2001-01-04 | 2010-07-13 | Safenet, Inc. | Method and apparatus for transparent encryption |
| JP4284867B2 (ja) * | 2001-01-18 | 2009-06-24 | 株式会社日立製作所 | 標準モデル上で適応的選択暗号文攻撃に対して安全な公開鍵暗号方法 |
| US7181017B1 (en) | 2001-03-23 | 2007-02-20 | David Felsher | System and method for secure three-party communications |
| EP1249963B1 (en) * | 2001-04-11 | 2013-01-16 | Hitachi, Ltd. | Method of a public key encryption and a cypher communication both secure against a chosen-ciphertext attack |
| US6718536B2 (en) * | 2002-06-21 | 2004-04-06 | Atmel Corporation | Computer-implemented method for fast generation and testing of probable prime numbers for cryptographic applications |
| WO2004019182A2 (en) * | 2002-08-24 | 2004-03-04 | Ingrian Networks, Inc. | Selective feature activation |
| JP4563037B2 (ja) * | 2003-01-24 | 2010-10-13 | シャープ株式会社 | 暗号化装置および復号化装置、並びにこれらを備えた暗号システム、暗号化方法および復号化方法 |
| US9818136B1 (en) | 2003-02-05 | 2017-11-14 | Steven M. Hoffberg | System and method for determining contingent relevance |
| US20060149962A1 (en) * | 2003-07-11 | 2006-07-06 | Ingrian Networks, Inc. | Network attached encryption |
| US8442219B2 (en) * | 2004-03-31 | 2013-05-14 | Jesse Lipson | Public key cryptographic methods and systems |
| US7519835B2 (en) * | 2004-05-20 | 2009-04-14 | Safenet, Inc. | Encrypted table indexes and searching encrypted tables |
| US7418100B2 (en) * | 2004-10-20 | 2008-08-26 | Cisco Technology, Inc. | Enciphering method |
| US20060251248A1 (en) * | 2005-05-03 | 2006-11-09 | Jesse Lipson | Public key cryptographic methods and systems with preprocessing |
| US20070079140A1 (en) * | 2005-09-26 | 2007-04-05 | Brian Metzger | Data migration |
| US20070079386A1 (en) * | 2005-09-26 | 2007-04-05 | Brian Metzger | Transparent encryption using secure encryption device |
| US20070074038A1 (en) * | 2005-09-29 | 2007-03-29 | International Business Machines Corporation | Method, apparatus and program storage device for providing a secure password manager |
| US8874477B2 (en) | 2005-10-04 | 2014-10-28 | Steven Mark Hoffberg | Multifactorial optimization system and method |
| US8386768B2 (en) * | 2006-02-08 | 2013-02-26 | Safenet, Inc. | High performance data encryption server and method for transparently encrypting/decrypting data |
| US7958091B2 (en) | 2006-02-16 | 2011-06-07 | Ingrian Networks, Inc. | Method for fast bulk loading data into a database while bypassing exit routines |
| US8379865B2 (en) * | 2006-10-27 | 2013-02-19 | Safenet, Inc. | Multikey support for multiple office system |
| US20090132804A1 (en) * | 2007-11-21 | 2009-05-21 | Prabir Paul | Secured live software migration |
| US10574451B2 (en) * | 2017-10-19 | 2020-02-25 | Bank Of America Corporation | Method and apparatus for perfect forward secrecy using deterministic hierarchy |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4405829A (en) * | 1977-12-14 | 1983-09-20 | Massachusetts Institute Of Technology | Cryptographic communications system and method |
| US5323464A (en) * | 1992-10-16 | 1994-06-21 | International Business Machines Corporation | Commercial data masking |
| US5483598A (en) * | 1993-07-01 | 1996-01-09 | Digital Equipment Corp., Patent Law Group | Message encryption using a hash function |
| DE69327238T2 (de) * | 1993-08-17 | 2000-09-07 | Entrust Technologies ( Switzerland) Ltd. Liab. Co., Glattzentrum | Verfahren zur digitalen Unterschrift und Verfahren zur Schlüsselübereinkunft |
| FR2737369A1 (fr) * | 1995-07-26 | 1997-01-31 | Trt Telecom Radio Electr | Systeme de communication de messages cryptes selon un procede de type r.s.a. |
-
1997
- 1997-10-20 US US08/953,911 patent/US6081598A/en not_active Expired - Lifetime
-
1998
- 1998-09-16 EP EP98967018A patent/EP1031204B1/en not_active Expired - Lifetime
- 1998-09-16 JP JP2000527056A patent/JP4369618B2/ja not_active Expired - Fee Related
- 1998-09-16 CA CA002307619A patent/CA2307619C/en not_active Expired - Fee Related
- 1998-09-16 DE DE69833334T patent/DE69833334T2/de not_active Expired - Lifetime
- 1998-09-16 CN CNB988118947A patent/CN1282325C/zh not_active Expired - Fee Related
- 1998-09-16 WO PCT/US1998/019349 patent/WO1999034552A2/en not_active Ceased
Also Published As
| Publication number | Publication date |
|---|---|
| WO1999034552A3 (en) | 1999-09-16 |
| CN1281607A (zh) | 2001-01-24 |
| DE69833334T2 (de) | 2006-10-26 |
| CN1282325C (zh) | 2006-10-25 |
| EP1031204B1 (en) | 2006-01-25 |
| EP1031204A2 (en) | 2000-08-30 |
| CA2307619C (en) | 2008-09-09 |
| WO1999034552A9 (en) | 1999-10-28 |
| JP2004524548A (ja) | 2004-08-12 |
| WO1999034552A2 (en) | 1999-07-08 |
| CA2307619A1 (en) | 1999-07-08 |
| DE69833334D1 (de) | 2006-04-13 |
| US6081598A (en) | 2000-06-27 |
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