JPH09502845A - 暗号化システムにおけるキー分配装置 - Google Patents
暗号化システムにおけるキー分配装置Info
- Publication number
- JPH09502845A JPH09502845A JP7509059A JP50905995A JPH09502845A JP H09502845 A JPH09502845 A JP H09502845A JP 7509059 A JP7509059 A JP 7509059A JP 50905995 A JP50905995 A JP 50905995A JP H09502845 A JPH09502845 A JP H09502845A
- Authority
- JP
- Japan
- Prior art keywords
- code
- key
- receiving station
- station
- mutual
- 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.)
- Ceased
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
- H04L9/0618—Block ciphers, i.e. encrypting groups of characters of a plain text message using fixed encryption transformation
- H04L9/0637—Modes of operation, e.g. cipher block chaining [CBC], electronic codebook [ECB] or Galois/counter mode [GCM]
-
- 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
- H04L9/0816—Key establishment, i.e. cryptographic processes or cryptographic protocols whereby a shared secret becomes available to two or more parties, for subsequent use
- H04L9/0819—Key transport or distribution, i.e. key establishment techniques where one party creates or otherwise obtains a secret value, and securely transfers it to the other(s)
- H04L9/0822—Key transport or distribution, i.e. key establishment techniques where one party creates or otherwise obtains a secret value, and securely transfers it to the other(s) using key encryption key
-
- 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
- H04L9/0816—Key establishment, i.e. cryptographic processes or cryptographic protocols whereby a shared secret becomes available to two or more parties, for subsequent use
- H04L9/0838—Key agreement, i.e. key establishment technique in which a shared key is derived by parties as a function of information contributed by, or associated with, each of these
- H04L9/0841—Key agreement, i.e. key establishment technique in which a shared key is derived by parties as a function of information contributed by, or associated with, each of these involving Diffie-Hellman or related key agreement protocols
- H04L9/0844—Key agreement, i.e. key establishment technique in which a shared key is derived by parties as a function of information contributed by, or associated with, each of these involving Diffie-Hellman or related key agreement protocols with user authentication or key authentication, e.g. ElGamal, MTI, MQV-Menezes-Qu-Vanstone protocol or Diffie-Hellman protocols using implicitly-certified keys
Landscapes
- Engineering & Computer Science (AREA)
- Computer Security & Cryptography (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Data Exchanges In Wide-Area Networks (AREA)
- Computer And Data Communications (AREA)
- Facsimile Transmission Control (AREA)
Abstract
Description
Claims (1)
- 【特許請求の範囲】 1. 2つの局間で、その各局に組み込まれて暗号化通信を可能にする暗号化・ 解読装置であって、記憶されているデータ項目から相互コードを作成し、ランダ ムセッションキーを生成しかつこのランダムセッションキーを、受信局に送信す るために相互コードに従って暗号化し、主メッセージを、受信局に送信するため にランダムセッションキーに従って暗号化し、受信局に送信するための登録コー ドを記憶していて、それを受信局が解読してそれにより該受信局に記憶されてい るデータ項目から前記相互コードを再生することができ、更に、最初の登録手順 でその中に前記登録コードを作成しかつ記憶し、送信局として動作する際に、前 記相互コードを作成しかつこれを、事前一致したキーを用いて暗号化して転送キ ーを形成し、これを前記受信局に転送するようにしたことを特徴とする暗号化・ 解読装置。 2. 前記登録手順において受信局として動作する際に、前記相互コードを再生 するために前記事前一致キーを用いて受信した前記転送キーを解読するようにし た請求項1に記載の装置。 3. 前記登録手順において受信局として動作する際に、別のキーに従って前記 再生相互コードを暗号化して前記登録コードを作成し、かつこの登録コードを前 記送信局にその中で記憶するために転送するようにした請求項2に記載の装置。 4. 2つの局間で、その各局に組み込まれて暗号化通信を可能にする暗号化・ 解読装置であって、記憶されているデータ項目から相互コード を作成し、ランダムセッションキーを生成しかつこのランダムセッションキーを 、受信局に送信するために相互コードに従って暗号化し、主メッセージを、受信 局に送信するためにランダムセッションキーに従って暗号化し、受信局に送信す るための登録コードを記憶していて、それを受信局が解読してそれにより該受信 局に記憶されているデータ項「1から前記相互コードを再生するようにしたこと を特徴とする暗号化・解読装置。 5. 送信局として動作する際に、前記主メッセージの予備的なデータ項目とし て前記暗号化セッションキー及び登録コードを転送するようにした請求項4に記 載の装置。 6. 受信局として動作する際に、前記装置に記憶されているデータ項目を利用 して、前記登録コードを復号して前記相互コードを再生するようにした請求項4 又は5に記載の装置。 7. 受信局として動作する際に、前記ランダムセッションキーを再生するため に、前記再生相互コードに従って前記暗号化セッションキーを解読するようにし た請求項6に記載の装置。 8. 送信局として動作する際に、逆変換不能の暗号化によって前記相互コード を形成するようにした請求項4乃至7のいずれかに記載の装置。 9. 最初の登録手順でその中に前記登録コードを作成しかつ記憶し、送信局と して動作する際に、前記相互コードを作成しかつこれを、事前一致したキーを用 いて暗号化して転送キーを形成し、これを前記受信局 に転送するようにした請求項4乃至8のいずれかに記載の装置。 10. 前記登録手順において受信局として動作する際に、前記相互コードを再 生するために前記事前一致キーを用いて前記受信転送キーを解読するようにした 請求項9に記載の装置。 11. 前記登録手順において受信局として動作する際に、別のキーに従って前 記再生相互コードを暗号化して前記登録コードを作成し、かつこの登録コードを 前記送信局にその中で記憶するために転送するようにした請求項10に記載の装 置。
Applications Claiming Priority (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB939318976A GB9318976D0 (en) | 1993-09-14 | 1993-09-14 | Improvements to encryption key management |
GB9405766A GB9405766D0 (en) | 1993-09-14 | 1994-03-23 | Communications encryption and decryption arrangements |
GB9405766.8 | 1994-03-23 | ||
GB9318976.9 | 1994-03-23 | ||
PCT/GB1994/002004 WO1995008232A1 (en) | 1993-09-14 | 1994-09-14 | Apparatus for key distribution in an encryption system |
Publications (1)
Publication Number | Publication Date |
---|---|
JPH09502845A true JPH09502845A (ja) | 1997-03-18 |
Family
ID=26303514
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP7509059A Ceased JPH09502845A (ja) | 1993-09-14 | 1994-09-14 | 暗号化システムにおけるキー分配装置 |
Country Status (6)
Country | Link |
---|---|
US (1) | US5768381A (ja) |
JP (1) | JPH09502845A (ja) |
AU (1) | AU7620394A (ja) |
DE (1) | DE4496863T1 (ja) |
GB (1) | GB2296639B (ja) |
WO (1) | WO1995008232A1 (ja) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2015029679A1 (ja) * | 2013-08-26 | 2015-03-05 | Fukinuki Hiroshi | 暗号化通信方法および暗号化通信装置 |
Families Citing this family (53)
Publication number | Priority date | Publication date | Assignee | Title |
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JP2812312B2 (ja) * | 1996-01-12 | 1998-10-22 | 三菱電機株式会社 | 暗号化システム |
US5953420A (en) * | 1996-10-25 | 1999-09-14 | International Business Machines Corporation | Method and apparatus for establishing an authenticated shared secret value between a pair of users |
FI113119B (fi) * | 1997-09-15 | 2004-02-27 | Nokia Corp | Menetelmä tietoliikenneverkkojen lähetysten turvaamiseksi |
US6253061B1 (en) | 1997-09-19 | 2001-06-26 | Richard J. Helferich | Systems and methods for delivering information to a transmitting and receiving device |
US6826407B1 (en) | 1999-03-29 | 2004-11-30 | Richard J. Helferich | System and method for integrating audio and visual messaging |
US7003304B1 (en) | 1997-09-19 | 2006-02-21 | Thompson Investment Group, Llc | Paging transceivers and methods for selectively retrieving messages |
US6636733B1 (en) | 1997-09-19 | 2003-10-21 | Thompson Trust | Wireless messaging method |
US6983138B1 (en) | 1997-12-12 | 2006-01-03 | Richard J. Helferich | User interface for message access |
US6636833B1 (en) * | 1998-03-25 | 2003-10-21 | Obis Patents Ltd. | Credit card system and method |
US6385730B2 (en) | 1998-09-03 | 2002-05-07 | Fiware, Inc. | System and method for restricting unauthorized access to a database |
US6275939B1 (en) | 1998-06-25 | 2001-08-14 | Westcorp Software Systems, Inc. | System and method for securely accessing a database from a remote location |
US6336114B1 (en) | 1998-09-03 | 2002-01-01 | Westcorp Software Systems, Inc. | System and method for restricting access to a data table within a database |
GB2339121B (en) * | 1998-06-30 | 2003-03-05 | Chantilley Corp Ltd | Encryption and decryption key arrangements |
US6324646B1 (en) | 1998-09-11 | 2001-11-27 | International Business Machines Corporation | Method and system for securing confidential data in a computer network |
US6324526B1 (en) * | 1999-01-15 | 2001-11-27 | D'agostino John | System and method for performing secure credit card purchases |
AU3833400A (en) * | 1999-04-13 | 2000-11-14 | Orbis Patents Limited | Person-to-person, person-to-business, business-to-person, and business-to-business financial transaction system |
US6944762B1 (en) | 1999-09-03 | 2005-09-13 | Harbor Payments Corporation | System and method for encrypting data messages |
JP2001211442A (ja) * | 2000-01-27 | 2001-08-03 | Victor Co Of Japan Ltd | コンテンツ情報伝送方法、コンテンツ情報記録方法、コンテンツ情報伝送装置、コンテンツ情報記録装置、伝送媒体、及び記録媒体 |
US20020025045A1 (en) * | 2000-07-26 | 2002-02-28 | Raike William Michael | Encryption processing for streaming media |
US6981157B2 (en) * | 2000-08-30 | 2005-12-27 | Lucent Technologies Inc. | Method and apparatus for ensuring security of users of short range wireless enable devices |
US20020114453A1 (en) * | 2001-02-21 | 2002-08-22 | Bartholet Thomas G. | System and method for secure cryptographic data transport and storage |
US10592901B2 (en) * | 2001-06-04 | 2020-03-17 | Orbis Patents, Ltd. | Business-to-business commerce using financial transaction numbers |
JP4151246B2 (ja) * | 2001-08-22 | 2008-09-17 | ソニー株式会社 | 情報配信端末,コンピュータプログラムおよび情報提供方法 |
JP3901484B2 (ja) * | 2001-10-05 | 2007-04-04 | 株式会社ジェイテクト | 電動パワーステアリング装置 |
US7565683B1 (en) | 2001-12-12 | 2009-07-21 | Weiqing Huang | Method and system for implementing changes to security policies in a distributed security system |
US7260555B2 (en) | 2001-12-12 | 2007-08-21 | Guardian Data Storage, Llc | Method and architecture for providing pervasive security to digital assets |
US7921284B1 (en) | 2001-12-12 | 2011-04-05 | Gary Mark Kinghorn | Method and system for protecting electronic data in enterprise environment |
US7178033B1 (en) * | 2001-12-12 | 2007-02-13 | Pss Systems, Inc. | Method and apparatus for securing digital assets |
US8065713B1 (en) | 2001-12-12 | 2011-11-22 | Klimenty Vainstein | System and method for providing multi-location access management to secured items |
US8006280B1 (en) | 2001-12-12 | 2011-08-23 | Hildebrand Hal S | Security system for generating keys from access rules in a decentralized manner and methods therefor |
US7930756B1 (en) | 2001-12-12 | 2011-04-19 | Crocker Steven Toye | Multi-level cryptographic transformations for securing digital assets |
US10360545B2 (en) | 2001-12-12 | 2019-07-23 | Guardian Data Storage, Llc | Method and apparatus for accessing secured electronic data off-line |
US10033700B2 (en) | 2001-12-12 | 2018-07-24 | Intellectual Ventures I Llc | Dynamic evaluation of access rights |
US7921288B1 (en) | 2001-12-12 | 2011-04-05 | Hildebrand Hal S | System and method for providing different levels of key security for controlling access to secured items |
US7921450B1 (en) | 2001-12-12 | 2011-04-05 | Klimenty Vainstein | Security system using indirect key generation from access rules and methods therefor |
US7380120B1 (en) | 2001-12-12 | 2008-05-27 | Guardian Data Storage, Llc | Secured data format for access control |
US7950066B1 (en) | 2001-12-21 | 2011-05-24 | Guardian Data Storage, Llc | Method and system for restricting use of a clipboard application |
US8176334B2 (en) | 2002-09-30 | 2012-05-08 | Guardian Data Storage, Llc | Document security system that permits external users to gain access to secured files |
US20050152305A1 (en) | 2002-11-25 | 2005-07-14 | Fujitsu Limited | Apparatus, method, and medium for self-organizing multi-hop wireless access networks |
US7634230B2 (en) * | 2002-11-25 | 2009-12-15 | Fujitsu Limited | Methods and apparatus for secure, portable, wireless and multi-hop data networking |
US8707034B1 (en) | 2003-05-30 | 2014-04-22 | Intellectual Ventures I Llc | Method and system for using remote headers to secure electronic files |
US7703140B2 (en) | 2003-09-30 | 2010-04-20 | Guardian Data Storage, Llc | Method and system for securing digital assets using process-driven security policies |
US8127366B2 (en) | 2003-09-30 | 2012-02-28 | Guardian Data Storage, Llc | Method and apparatus for transitioning between states of security policies used to secure electronic documents |
US7466824B2 (en) * | 2003-10-09 | 2008-12-16 | Nortel Networks Limited | Method and system for encryption of streamed data |
US7805611B1 (en) * | 2004-12-03 | 2010-09-28 | Oracle America, Inc. | Method for secure communication from chip card and system for performing the same |
US7941668B2 (en) * | 2005-07-08 | 2011-05-10 | Stapleton Jeff J | Method and system for securely managing application transactions using cryptographic techniques |
US7609837B2 (en) * | 2005-09-01 | 2009-10-27 | Sharp Laboratories Of America, Inc. | System and method for automatic setup of a network device with secure network transmission of setup parameters |
US7916869B2 (en) * | 2005-09-01 | 2011-03-29 | Sharp Laboratories Of America, Inc. | System and method for automatic setup of a network device with secure network transmission of setup parameters using a standard remote control |
US7900817B2 (en) * | 2006-01-26 | 2011-03-08 | Ricoh Company, Ltd. | Techniques for introducing devices to device families with paper receipt |
US8670564B1 (en) | 2006-08-14 | 2014-03-11 | Key Holdings, LLC | Data encryption system and method |
US8689300B2 (en) * | 2007-01-30 | 2014-04-01 | The Boeing Company | Method and system for generating digital fingerprint |
IT1398518B1 (it) * | 2009-09-25 | 2013-03-01 | Colombo | Safe milano |
US9054871B2 (en) * | 2012-02-21 | 2015-06-09 | California Institute Of Technology | Physical key-protected one time pad |
Family Cites Families (14)
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SE426128B (sv) * | 1981-04-08 | 1982-12-06 | Philips Svenska Ab | Metod vid overforing av datameddelanden mellan tva stationer, samt overforingsanleggning for utforande av metoden |
US4578531A (en) * | 1982-06-09 | 1986-03-25 | At&T Bell Laboratories | Encryption system key distribution method and apparatus |
US5253294A (en) * | 1983-02-22 | 1993-10-12 | At&T Bell Laboratories | Secure transmission system |
NL8301458A (nl) * | 1983-04-26 | 1984-11-16 | Philips Nv | Werkwijze voor het distribueren en benutten van vercijferingssleutels. |
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DE3782780T2 (de) * | 1986-08-22 | 1993-06-09 | Nippon Electric Co | Schluesselverteilungsverfahren. |
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GB9003326D0 (en) * | 1990-02-14 | 1990-04-11 | Enfranchise Sixty Ltd | Apparatus and method for data communication |
DE69133502T2 (de) * | 1990-06-01 | 2006-09-14 | Kabushiki Kaisha Toshiba, Kawasaki | Geheimübertragungsverfahren und -gerät |
US5179591A (en) * | 1991-10-16 | 1993-01-12 | Motorola, Inc. | Method for algorithm independent cryptographic key management |
US5381481A (en) * | 1993-08-04 | 1995-01-10 | Scientific-Atlanta, Inc. | Method and apparatus for uniquely encrypting a plurality of services at a transmission site |
US5455862A (en) * | 1993-12-02 | 1995-10-03 | Crest Industries, Inc. | Apparatus and method for encrypting communications without exchanging an encryption key |
US5517567A (en) * | 1994-08-23 | 1996-05-14 | Daq Electronics Inc. | Key distribution system |
US5666415A (en) * | 1995-07-28 | 1997-09-09 | Digital Equipment Corporation | Method and apparatus for cryptographic authentication |
-
1994
- 1994-09-14 GB GB9605351A patent/GB2296639B/en not_active Expired - Fee Related
- 1994-09-14 WO PCT/GB1994/002004 patent/WO1995008232A1/en active Application Filing
- 1994-09-14 AU AU76203/94A patent/AU7620394A/en not_active Abandoned
- 1994-09-14 DE DE4496863T patent/DE4496863T1/de not_active Withdrawn
- 1994-09-14 JP JP7509059A patent/JPH09502845A/ja not_active Ceased
- 1994-09-14 US US08/615,322 patent/US5768381A/en not_active Expired - Fee Related
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2015029679A1 (ja) * | 2013-08-26 | 2015-03-05 | Fukinuki Hiroshi | 暗号化通信方法および暗号化通信装置 |
Also Published As
Publication number | Publication date |
---|---|
GB9605351D0 (en) | 1996-05-15 |
DE4496863T1 (de) | 1996-12-05 |
WO1995008232A1 (en) | 1995-03-23 |
US5768381A (en) | 1998-06-16 |
AU7620394A (en) | 1995-04-03 |
GB2296639A (en) | 1996-07-03 |
GB2296639B (en) | 1998-01-21 |
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