DE602004007160D1 - Sicheres kryptographisches kommunikationssystem mit kem-dem - Google Patents
Sicheres kryptographisches kommunikationssystem mit kem-demInfo
- Publication number
- DE602004007160D1 DE602004007160D1 DE602004007160T DE602004007160T DE602004007160D1 DE 602004007160 D1 DE602004007160 D1 DE 602004007160D1 DE 602004007160 T DE602004007160 T DE 602004007160T DE 602004007160 T DE602004007160 T DE 602004007160T DE 602004007160 D1 DE602004007160 D1 DE 602004007160D1
- Authority
- DE
- Germany
- Prior art keywords
- random number
- session key
- key
- utilising
- receiving location
- 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.)
- Active
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
- H04L9/06—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
- H04L9/0656—Pseudorandom key sequence combined element-for-element with data sequence, e.g. one-time-pad [OTP] or Vernam's cipher
- H04L9/0662—Pseudorandom key sequence combined element-for-element with data sequence, e.g. one-time-pad [OTP] or Vernam's cipher with particular pseudorandom sequence generator
-
- 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
- H04L9/0861—Generation of secret information including derivation or calculation of cryptographic keys or passwords
- H04L9/0872—Generation of secret information including derivation or calculation of cryptographic keys or passwords using geo-location information, e.g. location data, time, relative position or proximity to other entities
-
- 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
- H04L9/3066—Public key, i.e. encryption algorithm being computationally infeasible to invert or user's encryption keys not requiring secrecy involving algebraic varieties, e.g. elliptic or hyper-elliptic curves
- H04L9/3073—Public key, i.e. encryption algorithm being computationally infeasible to invert or user's encryption keys not requiring secrecy involving algebraic varieties, e.g. elliptic or hyper-elliptic curves involving pairings, e.g. identity based encryption [IBE], bilinear mappings or bilinear pairings, e.g. Weil or Tate pairing
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Computer Security & Cryptography (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Theoretical Computer Science (AREA)
- Mathematical Optimization (AREA)
- General Physics & Mathematics (AREA)
- Mathematical Analysis (AREA)
- Algebra (AREA)
- Mathematical Physics (AREA)
- Pure & Applied Mathematics (AREA)
- Physics & Mathematics (AREA)
- Computing Systems (AREA)
- Computer And Data Communications (AREA)
- Mobile Radio Communication Systems (AREA)
- Data Exchanges In Wide-Area Networks (AREA)
- Circuits Of Receivers In General (AREA)
- Transceivers (AREA)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB0325225A GB0325225D0 (en) | 2003-10-29 | 2003-10-29 | A secure communication method |
GB0401470A GB0401470D0 (en) | 2003-10-29 | 2004-01-23 | A secure communication system |
PCT/EP2004/012226 WO2005050908A1 (en) | 2003-10-29 | 2004-10-28 | A secure cryptographic communication system using kem-dem |
Publications (1)
Publication Number | Publication Date |
---|---|
DE602004007160D1 true DE602004007160D1 (de) | 2007-08-02 |
Family
ID=34621654
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE602004007160T Active DE602004007160D1 (de) | 2003-10-29 | 2004-10-28 | Sicheres kryptographisches kommunikationssystem mit kem-dem |
Country Status (5)
Country | Link |
---|---|
US (1) | US20070183600A1 (de) |
EP (1) | EP1692807B1 (de) |
AT (1) | ATE365407T1 (de) |
DE (1) | DE602004007160D1 (de) |
WO (1) | WO2005050908A1 (de) |
Families Citing this family (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2434947B (en) * | 2006-02-02 | 2011-01-26 | Identum Ltd | Electronic data communication system |
GB2436910B (en) * | 2006-04-03 | 2011-02-16 | Identum Ltd | Electronic Data Communication System |
ES2802600T3 (es) * | 2006-07-07 | 2021-01-20 | Hoffmann La Roche | Dispositivo de administración de fluidos y procedimientos de funcionamiento del mismo |
US8290146B2 (en) | 2007-01-19 | 2012-10-16 | Mitsubishi Electric Corporation | Ciphertext generating apparatus, cryptographic communication system, and group parameter generating apparatus |
US8291218B2 (en) * | 2008-12-02 | 2012-10-16 | International Business Machines Corporation | Creating and using secure communications channels for virtual universes |
US8769260B1 (en) | 2012-04-10 | 2014-07-01 | Trend Micro Incorporated | Messaging system with user-friendly encryption and decryption |
US8762712B1 (en) | 2012-07-27 | 2014-06-24 | Trend Micro Incorporated | Methods and system for person-to-person secure file transfer |
SG10201704555VA (en) * | 2017-06-05 | 2019-01-30 | Arete M Pte Ltd | Secure and encrypted heartbeat protocol |
US11176264B2 (en) | 2019-08-20 | 2021-11-16 | Bank Of America Corporation | Data access control using data block level decryption |
US11741248B2 (en) | 2019-08-20 | 2023-08-29 | Bank Of America Corporation | Data access control using data block level encryption |
CN112134694B (zh) * | 2020-08-11 | 2024-01-23 | 北京智芯微电子科技有限公司 | 数据交互方法、主站、终端及计算机可读存储介质 |
CN114205812A (zh) * | 2020-08-31 | 2022-03-18 | 华为技术有限公司 | 一种数据传输方法及电子设备 |
Family Cites Families (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6151676A (en) * | 1997-12-24 | 2000-11-21 | Philips Electronics North America Corporation | Administration and utilization of secret fresh random numbers in a networked environment |
US6567914B1 (en) * | 1998-07-22 | 2003-05-20 | Entrust Technologies Limited | Apparatus and method for reducing transmission bandwidth and storage requirements in a cryptographic security system |
US6574733B1 (en) * | 1999-01-25 | 2003-06-03 | Entrust Technologies Limited | Centralized secure backup system and method |
US6675296B1 (en) * | 1999-06-28 | 2004-01-06 | Entrust Technologies Limited | Information certificate format converter apparatus and method |
US6760752B1 (en) * | 1999-06-28 | 2004-07-06 | Zix Corporation | Secure transmission system |
US6912655B1 (en) * | 1999-08-09 | 2005-06-28 | Tristrata Security Inc. | Network security architecture system utilizing seals |
US7260724B1 (en) * | 1999-09-20 | 2007-08-21 | Security First Corporation | Context sensitive dynamic authentication in a cryptographic system |
US6807277B1 (en) * | 2000-06-12 | 2004-10-19 | Surety, Llc | Secure messaging system with return receipts |
FR2818471B1 (fr) * | 2000-12-18 | 2003-02-14 | Gemplus Card Int | Procede d'amelioration de la securite de schemas de chiffrement a clef publique |
US7234059B1 (en) * | 2001-08-09 | 2007-06-19 | Sandia Corporation | Anonymous authenticated communications |
US6986045B2 (en) * | 2001-08-17 | 2006-01-10 | Pitney Bowes Inc. | Single algorithm cipher suite for messaging |
US7263619B1 (en) * | 2002-06-26 | 2007-08-28 | Chong-Lim Kim | Method and system for encrypting electronic message using secure ad hoc encryption key |
US7480384B2 (en) * | 2003-02-10 | 2009-01-20 | International Business Machines Corporation | Method for distributing and authenticating public keys using random numbers and Diffie-Hellman public keys |
US7774411B2 (en) * | 2003-12-12 | 2010-08-10 | Wisys Technology Foundation, Inc. | Secure electronic message transport protocol |
-
2004
- 2004-10-28 US US10/577,872 patent/US20070183600A1/en not_active Abandoned
- 2004-10-28 DE DE602004007160T patent/DE602004007160D1/de active Active
- 2004-10-28 EP EP04790994A patent/EP1692807B1/de not_active Not-in-force
- 2004-10-28 AT AT04790994T patent/ATE365407T1/de not_active IP Right Cessation
- 2004-10-28 WO PCT/EP2004/012226 patent/WO2005050908A1/en active IP Right Grant
Also Published As
Publication number | Publication date |
---|---|
EP1692807A1 (de) | 2006-08-23 |
ATE365407T1 (de) | 2007-07-15 |
US20070183600A1 (en) | 2007-08-09 |
EP1692807B1 (de) | 2007-06-20 |
WO2005050908A1 (en) | 2005-06-02 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8332 | No legal effect for de |