DE60125651D1 - Verschlüsselungsvorrichtung, Entschlüsselungsvorrichtung, Vorrichtung zur Erzeugung eines erweiterten Schlüssels und zugehöriges Verfahren und Aufzeichnungsmedium - Google Patents
Verschlüsselungsvorrichtung, Entschlüsselungsvorrichtung, Vorrichtung zur Erzeugung eines erweiterten Schlüssels und zugehöriges Verfahren und AufzeichnungsmediumInfo
- Publication number
- DE60125651D1 DE60125651D1 DE60125651T DE60125651T DE60125651D1 DE 60125651 D1 DE60125651 D1 DE 60125651D1 DE 60125651 T DE60125651 T DE 60125651T DE 60125651 T DE60125651 T DE 60125651T DE 60125651 D1 DE60125651 D1 DE 60125651D1
- Authority
- DE
- Germany
- Prior art keywords
- recording medium
- key generation
- related method
- extended key
- decryption
- 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 - Lifetime
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
- H04L9/002—Countermeasures against attacks on cryptographic mechanisms
-
- 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
-
- 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
-
- 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
- H04L2209/12—Details relating to cryptographic hardware or logic circuitry
- H04L2209/125—Parallelization or pipelining, e.g. for accelerating processing of cryptographic operations
-
- 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
- H04L2209/20—Manipulating the length of blocks of bits, e.g. padding or block truncation
-
- 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
- H04L2209/24—Key scheduling, i.e. generating round keys or sub-keys for block encryption
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2000211686A JP3505482B2 (ja) | 2000-07-12 | 2000-07-12 | 暗号化装置、復号装置及び拡大鍵生成装置、拡大鍵生成方法並びに記録媒体 |
Publications (1)
Publication Number | Publication Date |
---|---|
DE60125651D1 true DE60125651D1 (de) | 2007-02-15 |
Family
ID=18707748
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE60125651T Expired - Lifetime DE60125651D1 (de) | 2000-07-12 | 2001-07-11 | Verschlüsselungsvorrichtung, Entschlüsselungsvorrichtung, Vorrichtung zur Erzeugung eines erweiterten Schlüssels und zugehöriges Verfahren und Aufzeichnungsmedium |
Country Status (6)
Country | Link |
---|---|
US (1) | US7194090B2 (de) |
EP (1) | EP1172965B1 (de) |
JP (1) | JP3505482B2 (de) |
KR (1) | KR100435052B1 (de) |
CN (1) | CN1203431C (de) |
DE (1) | DE60125651D1 (de) |
Families Citing this family (54)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7305085B2 (en) * | 2000-06-30 | 2007-12-04 | Kabushiki Kaisha Toshiba | Encryption apparatus and method, and decryption apparatus and method based on block encryption |
US7269615B2 (en) | 2001-12-18 | 2007-09-11 | Analog Devices, Inc. | Reconfigurable input Galois field linear transformer system |
US7283628B2 (en) * | 2001-11-30 | 2007-10-16 | Analog Devices, Inc. | Programmable data encryption engine |
US7508937B2 (en) * | 2001-12-18 | 2009-03-24 | Analog Devices, Inc. | Programmable data encryption engine for advanced encryption standard algorithm |
US7076059B1 (en) * | 2002-01-17 | 2006-07-11 | Cavium Networks | Method and apparatus to implement the data encryption standard algorithm |
JP4515716B2 (ja) * | 2002-04-03 | 2010-08-04 | パナソニック株式会社 | 拡大鍵生成装置、暗号化装置および暗号化システム |
DE60301750T2 (de) | 2002-04-03 | 2006-07-06 | Matsushita Electric Industrial Co., Ltd., Kadoma | Vorrichtung zur Erzeugung eines erweiterten Schlüssels, Verschlüsselungsvorrichtung und Verschlüsselungssystem |
US20040136537A1 (en) * | 2002-07-19 | 2004-07-15 | Hammersmith Wolfgang S. | Cryptographic key distribution using key unfolding |
JP2004054834A (ja) * | 2002-07-24 | 2004-02-19 | Matsushita Electric Ind Co Ltd | プログラム開発方法、プログラム開発支援装置およびプログラム実装方法 |
KR100940202B1 (ko) * | 2002-08-29 | 2010-02-10 | 삼성전자주식회사 | 일방향 함수를 사용하여 계층적으로 암호화하는 장치 및방법 |
US7702904B2 (en) | 2002-11-15 | 2010-04-20 | Nec Corporation | Key management system and multicast delivery system using the same |
JP4099039B2 (ja) * | 2002-11-15 | 2008-06-11 | 松下電器産業株式会社 | プログラム更新方法 |
JP2004212828A (ja) * | 2003-01-08 | 2004-07-29 | Sony Corp | 暗号処理装置、および暗号処理方法、並びにコンピュータ・プログラム |
US7227955B2 (en) * | 2003-02-07 | 2007-06-05 | Magiq Technologies, Inc. | Single-photon watch dog detector for folded quantum key distribution system |
US7519833B2 (en) * | 2003-04-18 | 2009-04-14 | Via Technologies, Inc. | Microprocessor apparatus and method for enabling configurable data block size in a cryptographic engine |
US7532722B2 (en) * | 2003-04-18 | 2009-05-12 | Ip-First, Llc | Apparatus and method for performing transparent block cipher cryptographic functions |
US7529367B2 (en) * | 2003-04-18 | 2009-05-05 | Via Technologies, Inc. | Apparatus and method for performing transparent cipher feedback mode cryptographic functions |
US7844053B2 (en) * | 2003-04-18 | 2010-11-30 | Ip-First, Llc | Microprocessor apparatus and method for performing block cipher cryptographic functions |
US7542566B2 (en) | 2003-04-18 | 2009-06-02 | Ip-First, Llc | Apparatus and method for performing transparent cipher block chaining mode cryptographic functions |
US7539876B2 (en) * | 2003-04-18 | 2009-05-26 | Via Technologies, Inc. | Apparatus and method for generating a cryptographic key schedule in a microprocessor |
US7502943B2 (en) * | 2003-04-18 | 2009-03-10 | Via Technologies, Inc. | Microprocessor apparatus and method for providing configurable cryptographic block cipher round results |
US7536560B2 (en) * | 2003-04-18 | 2009-05-19 | Via Technologies, Inc. | Microprocessor apparatus and method for providing configurable cryptographic key size |
US7900055B2 (en) | 2003-04-18 | 2011-03-01 | Via Technologies, Inc. | Microprocessor apparatus and method for employing configurable block cipher cryptographic algorithms |
US8060755B2 (en) * | 2003-04-18 | 2011-11-15 | Via Technologies, Inc | Apparatus and method for providing user-generated key schedule in a microprocessor cryptographic engine |
US7392400B2 (en) * | 2003-04-18 | 2008-06-24 | Via Technologies, Inc. | Microprocessor apparatus and method for optimizing block cipher cryptographic functions |
US7925891B2 (en) * | 2003-04-18 | 2011-04-12 | Via Technologies, Inc. | Apparatus and method for employing cryptographic functions to generate a message digest |
US7321910B2 (en) * | 2003-04-18 | 2008-01-22 | Ip-First, Llc | Microprocessor apparatus and method for performing block cipher cryptographic functions |
US7529368B2 (en) | 2003-04-18 | 2009-05-05 | Via Technologies, Inc. | Apparatus and method for performing transparent output feedback mode cryptographic functions |
EP1627331B1 (de) | 2003-05-23 | 2017-09-20 | IP Reservoir, LLC | Intelligenter datenspeicher und entsprechende bearbeitung unter benutzung von fpga -geräten |
US10572824B2 (en) | 2003-05-23 | 2020-02-25 | Ip Reservoir, Llc | System and method for low latency multi-functional pipeline with correlation logic and selectively activated/deactivated pipelined data processing engines |
JP2006527412A (ja) * | 2003-06-12 | 2006-11-30 | コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ | データを暗号化および/または復号化するプロセッサとこのプロセッサを使用してデータを暗号化および/または復号化する方法 |
JP4622222B2 (ja) * | 2003-09-30 | 2011-02-02 | ソニー株式会社 | 暗号処理装置、および暗号処理方法、並びにコンピュータ・プログラム |
KR100800468B1 (ko) * | 2004-01-29 | 2008-02-01 | 삼성전자주식회사 | 저전력 고속 동작을 위한 하드웨어 암호화/복호화 장치 및그 방법 |
JP2005340892A (ja) * | 2004-05-24 | 2005-12-08 | Matsushita Electric Ind Co Ltd | 暗号回路 |
JP4561252B2 (ja) * | 2004-09-03 | 2010-10-13 | ソニー株式会社 | 暗号処理装置、および暗号処理方法、並びにコンピュータ・プログラム |
US7873166B2 (en) * | 2005-09-13 | 2011-01-18 | Avaya Inc. | Method for undetectably impeding key strength of encryption usage for products exported outside the U.S |
WO2007121035A2 (en) | 2006-03-23 | 2007-10-25 | Exegy Incorporated | Method and system for high throughput blockwise independent encryption/decryption |
US20080037775A1 (en) * | 2006-03-31 | 2008-02-14 | Avaya Technology Llc | Verifiable generation of weak symmetric keys for strong algorithms |
JP4961909B2 (ja) * | 2006-09-01 | 2012-06-27 | ソニー株式会社 | 暗号処理装置、および暗号処理方法、並びにコンピュータ・プログラム |
US7889861B2 (en) * | 2006-09-13 | 2011-02-15 | Michael Borza | Multiple sequential security key encryption-decryption |
JP4939305B2 (ja) * | 2007-05-25 | 2012-05-23 | ルネサスエレクトロニクス株式会社 | 暗号/復号装置 |
KR101437962B1 (ko) * | 2007-06-26 | 2014-09-15 | 삼성전자주식회사 | 데이터 처리 장치 및 데이터 처리 방법 |
EP2186250B1 (de) | 2007-08-31 | 2019-03-27 | IP Reservoir, LLC | Verfahren und vorrichtung für hardware-beschleunigte verschlüsselung/entschlüsselung |
KR101131167B1 (ko) | 2008-02-20 | 2012-04-12 | 연세대학교 산학협력단 | 스트림 암호를 위한 키수열 발생 방법 및 장치. 블록 암호를 위한 S-box 및 상기 S-box에서의 치환 방법 |
JP5163178B2 (ja) * | 2008-02-25 | 2013-03-13 | 沖電気工業株式会社 | 暗号化鍵生成装置及び方法 |
CN101714904B (zh) * | 2008-10-08 | 2012-05-09 | 中兴通讯股份有限公司 | 密钥管理系统和方法 |
US20100246828A1 (en) * | 2009-03-30 | 2010-09-30 | David Johnston | Method and system of parallelized data decryption and key generation |
MY145989A (en) * | 2009-06-29 | 2012-06-04 | Mimos Berhad | A polymorphic cipher |
CN103188219A (zh) * | 2011-12-28 | 2013-07-03 | 北大方正集团有限公司 | 一种数字版权管理方法、设备及系统 |
EP2677327A1 (de) * | 2012-06-21 | 2013-12-25 | Gemalto SA | Verfahren zur Herstellung einer elektronischen Vorrichtung mit deaktiviertem Sensitivitätsmodus und Verfahren zum Umwandeln einer solchen elektronischen Vorrichtung zur Reaktivierung des Sensitivitätsmodus |
JP2015191107A (ja) * | 2014-03-28 | 2015-11-02 | ソニー株式会社 | 暗号処理装置、および暗号処理方法、並びにプログラム |
JP6877889B2 (ja) * | 2016-04-08 | 2021-05-26 | ソニーグループ株式会社 | 暗号化装置、暗号化方法、復号化装置、及び復号化方法 |
EP3560135A4 (de) | 2016-12-22 | 2020-08-05 | IP Reservoir, LLC | Rohrleitungen zum hardware-beschleunigten maschinellen lernen |
JP7296609B2 (ja) * | 2017-11-14 | 2023-06-23 | 地方独立行政法人東京都立産業技術研究センター | デジタル処理装置、デジタル処理装置の製造方法及びプログラム |
Family Cites Families (16)
Publication number | Priority date | Publication date | Assignee | Title |
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JP3114991B2 (ja) * | 1990-11-30 | 2000-12-04 | 株式会社東芝 | データ通信システム |
US5432848A (en) * | 1994-04-15 | 1995-07-11 | International Business Machines Corporation | DES encryption and decryption unit with error checking |
US5724428A (en) * | 1995-11-01 | 1998-03-03 | Rsa Data Security, Inc. | Block encryption algorithm with data-dependent rotations |
CA2164768C (en) * | 1995-12-08 | 2001-01-23 | Carlisle Michael Adams | Constructing symmetric ciphers using the cast design procedure |
KR0153758B1 (ko) * | 1995-12-26 | 1998-11-16 | 양승택 | 입출력 변화 공격과 선형 공격에 안전한 대치회로 생성기 및 생성방법 |
CA2173688C (en) * | 1996-04-09 | 2000-01-18 | Hideo Shimizu | Encryption apparatus and method capable of controlling encryption process in accordance with an internal state |
US5745577A (en) * | 1996-07-25 | 1998-04-28 | Northern Telecom Limited | Symmetric cryptographic system for data encryption |
US5933501A (en) * | 1996-08-01 | 1999-08-03 | Harris Corporation | `Virtual` encryption scheme combining different encryption operators into compound-encryption mechanism |
KR19980027399A (ko) * | 1996-10-16 | 1998-07-15 | 구자홍 | 셀룰라 오토마타를 이용한 블록 암호화 방법 및 장치 |
JP3782210B2 (ja) * | 1997-06-30 | 2006-06-07 | 日本電信電話株式会社 | 暗号装置 |
WO1999014889A1 (en) * | 1997-09-17 | 1999-03-25 | Luyster Frank C | Improved block cipher method |
US6243470B1 (en) * | 1998-02-04 | 2001-06-05 | International Business Machines Corporation | Method and apparatus for advanced symmetric key block cipher with variable length key and block |
US6185679B1 (en) * | 1998-02-23 | 2001-02-06 | International Business Machines Corporation | Method and apparatus for a symmetric block cipher using multiple stages with type-1 and type-3 feistel networks |
US6189095B1 (en) * | 1998-06-05 | 2001-02-13 | International Business Machines Corporation | Symmetric block cipher using multiple stages with modified type-1 and type-3 feistel networks |
JP2000066586A (ja) * | 1998-08-24 | 2000-03-03 | Toshiba Corp | データ処理装置及び通信システム並びに記録媒体 |
JP4763866B2 (ja) | 1998-10-15 | 2011-08-31 | インターシア ソフトウェア エルエルシー | 2重再暗号化によりデジタルデータを保護する方法及び装置 |
-
2000
- 2000-07-12 JP JP2000211686A patent/JP3505482B2/ja not_active Expired - Lifetime
-
2001
- 2001-07-11 EP EP01305982A patent/EP1172965B1/de not_active Expired - Lifetime
- 2001-07-11 KR KR10-2001-0041607A patent/KR100435052B1/ko not_active IP Right Cessation
- 2001-07-11 DE DE60125651T patent/DE60125651D1/de not_active Expired - Lifetime
- 2001-07-12 CN CNB011431539A patent/CN1203431C/zh not_active Expired - Fee Related
- 2001-07-12 US US09/902,696 patent/US7194090B2/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
CN1349182A (zh) | 2002-05-15 |
CN1203431C (zh) | 2005-05-25 |
KR20020006475A (ko) | 2002-01-19 |
US7194090B2 (en) | 2007-03-20 |
EP1172965A3 (de) | 2003-06-18 |
US20020021802A1 (en) | 2002-02-21 |
EP1172965A2 (de) | 2002-01-16 |
JP2002023622A (ja) | 2002-01-23 |
JP3505482B2 (ja) | 2004-03-08 |
EP1172965B1 (de) | 2007-01-03 |
KR100435052B1 (ko) | 2004-06-09 |
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