DE69330243T2 - Verschlüsselungseinrichtung - Google Patents
VerschlüsselungseinrichtungInfo
- Publication number
- DE69330243T2 DE69330243T2 DE69330243T DE69330243T DE69330243T2 DE 69330243 T2 DE69330243 T2 DE 69330243T2 DE 69330243 T DE69330243 T DE 69330243T DE 69330243 T DE69330243 T DE 69330243T DE 69330243 T2 DE69330243 T2 DE 69330243T2
- Authority
- DE
- Germany
- Prior art keywords
- encryption device
- encryption
- 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
- H04L9/08—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
-
- 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
- H04L9/088—Usage controlling of secret information, e.g. techniques for restricting cryptographic keys to pre-authorized uses, different access levels, validity of crypto-period, different key- or password length, or different strong and weak cryptographic algorithms
Landscapes
- Engineering & Computer Science (AREA)
- Computer Security & Cryptography (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Storage Device Security (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB9226511A GB2274229A (en) | 1992-12-19 | 1992-12-19 | Cryptography system. |
Publications (2)
Publication Number | Publication Date |
---|---|
DE69330243D1 DE69330243D1 (de) | 2001-06-28 |
DE69330243T2 true DE69330243T2 (de) | 2001-10-11 |
Family
ID=10726889
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69330243T Expired - Lifetime DE69330243T2 (de) | 1992-12-19 | 1993-11-02 | Verschlüsselungseinrichtung |
Country Status (4)
Country | Link |
---|---|
US (1) | US5416841A (de) |
EP (1) | EP0604008B1 (de) |
DE (1) | DE69330243T2 (de) |
GB (1) | GB2274229A (de) |
Families Citing this family (32)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP3294739B2 (ja) * | 1995-03-30 | 2002-06-24 | 三洋電機株式会社 | Fm多重放送のスクランブルまたはデスクランブル方法 |
EP1048140A4 (de) * | 1995-07-27 | 2001-01-24 | Gen Instrument Corp | Kryptographisches system mit verdecktem arbeitsfaktor |
US5949883A (en) * | 1995-09-28 | 1999-09-07 | Entrust Technologies Ltd. | Encryption system for mixed-trust environments |
GB2306860A (en) * | 1995-10-24 | 1997-05-07 | Motorola Inc | Encryption/decryption system encrypts data using encrypted key |
US5764772A (en) * | 1995-12-15 | 1998-06-09 | Lotus Development Coporation | Differential work factor cryptography method and system |
US5850443A (en) * | 1996-08-15 | 1998-12-15 | Entrust Technologies, Ltd. | Key management system for mixed-trust environments |
US6079021A (en) * | 1997-06-02 | 2000-06-20 | Digital Equipment Corporation | Method and apparatus for strengthening passwords for protection of computer systems |
GB9719726D0 (en) * | 1997-09-16 | 1998-03-18 | Simoco Int Ltd | Encryption method and apparatus |
FR2773427B1 (fr) * | 1998-01-08 | 2000-02-04 | Alsthom Cge Alcatel | Procede de securisation de transmissions d'information realisees par l'intermediaire d'un reseau de telecommunications ouvert |
EP0936805A1 (de) * | 1998-02-12 | 1999-08-18 | Hewlett-Packard Company | Dokumentenübertragungssystem |
US6606387B1 (en) | 1998-03-20 | 2003-08-12 | Trusted Security Solutions, Inc. | Secure establishment of cryptographic keys |
US6970836B1 (en) | 1998-04-14 | 2005-11-29 | Citicorp Development Center, Inc. | System and method for securely storing electronic data |
AU1448800A (en) | 1998-10-23 | 2000-05-15 | L-3 Communications Corporation | Apparatus and methods for managing key material in heterogeneous cryptographic assets |
US6560337B1 (en) * | 1998-10-28 | 2003-05-06 | International Business Machines Corporation | Systems, methods and computer program products for reducing effective key length of ciphers using one-way cryptographic functions and an initial key |
US6567913B1 (en) | 1998-12-24 | 2003-05-20 | Pitney Bowes Inc. | Selective security level certificate meter |
US6044350A (en) * | 1998-12-24 | 2000-03-28 | Pitney Bowes Inc. | Certificate meter with selectable indemnification provisions |
JP2002543460A (ja) * | 1999-04-27 | 2002-12-17 | ミスチェンコ、ヴァレンティン・アレクサンドロヴィッチ | 情報を暗号化する方法およびその方法を実現するための装置 |
US6735310B1 (en) * | 1999-09-17 | 2004-05-11 | International Business Machines Corporation | Technique of password encryption and decryption for user authentication in a federated content management system |
KR100601634B1 (ko) * | 2000-06-07 | 2006-07-14 | 삼성전자주식회사 | 고속 복제 방지 방법 |
US6868407B1 (en) * | 2000-11-02 | 2005-03-15 | Pitney Bowes Inc. | Postage security device having cryptographic keys with a variable key length |
US20020152392A1 (en) * | 2001-04-12 | 2002-10-17 | Motorola, Inc. | Method for securely providing encryption keys |
US7003111B2 (en) * | 2001-10-11 | 2006-02-21 | International Business Machines Corporation | Method, system, and program, for encoding and decoding input data |
US7865440B2 (en) * | 2001-10-11 | 2011-01-04 | International Business Machines Corporation | Method, system, and program for securely providing keys to encode and decode data in a storage cartridge |
US7320052B2 (en) * | 2003-02-10 | 2008-01-15 | Intel Corporation | Methods and apparatus for providing seamless file system encryption and redundant array of independent disks from a pre-boot environment into a firmware interface aware operating system |
ES2219183B2 (es) * | 2003-05-13 | 2006-02-01 | Diseño De Sistemas En Silicio, S.A. | Procedimiento de cifrado basado en el algoritmo des. |
US8281152B2 (en) * | 2004-06-18 | 2012-10-02 | Emc Corporation | Storage data encryption |
EP1825412A1 (de) | 2004-10-25 | 2007-08-29 | Rick L. Orsini | Sicheres daten-parserverfahren und system |
DE102004052101B4 (de) * | 2004-10-26 | 2009-01-15 | Comvenient Gmbh & Co. Kg | Verfahren und Vorrichtung zur Entschlüsselung breitbandiger Daten |
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 |
US20080037775A1 (en) * | 2006-03-31 | 2008-02-14 | Avaya Technology Llc | Verifiable generation of weak symmetric keys for strong algorithms |
US9881177B2 (en) | 2013-02-13 | 2018-01-30 | Security First Corp. | Systems and methods for a cryptographic file system layer |
US10489757B2 (en) * | 2014-05-19 | 2019-11-26 | OX Labs Inc. | System and method for rendering virtual currency related services |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB8807020D0 (en) * | 1988-03-24 | 1988-08-24 | Racal Guardata Ltd | Data-processing apparatus |
US4935961A (en) * | 1988-07-27 | 1990-06-19 | Gargiulo Joseph L | Method and apparatus for the generation and synchronization of cryptographic keys |
-
1992
- 1992-12-19 GB GB9226511A patent/GB2274229A/en not_active Withdrawn
-
1993
- 1993-11-02 EP EP93308761A patent/EP0604008B1/de not_active Expired - Lifetime
- 1993-11-02 DE DE69330243T patent/DE69330243T2/de not_active Expired - Lifetime
- 1993-12-20 US US08/170,555 patent/US5416841A/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
DE69330243D1 (de) | 2001-06-28 |
US5416841A (en) | 1995-05-16 |
GB2274229A (en) | 1994-07-13 |
EP0604008B1 (de) | 2001-05-23 |
GB9226511D0 (en) | 1993-02-10 |
EP0604008A1 (de) | 1994-06-29 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition | ||
8320 | Willingness to grant licences declared (paragraph 23) | ||
8328 | Change in the person/name/address of the agent |
Representative=s name: DUSCHER, R., DIPL.-PHYS. DR.RER.NAT., PAT.-ANW., 7 |