|
US5224162A
(en)
*
|
1991-06-14 |
1993-06-29 |
Nippon Telegraph And Telephone Corporation |
Electronic cash system
|
|
US5365589A
(en)
*
|
1992-02-07 |
1994-11-15 |
Gutowitz Howard A |
Method and apparatus for encryption, decryption and authentication using dynamical systems
|
|
US5297206A
(en)
*
|
1992-03-19 |
1994-03-22 |
Orton Glenn A |
Cryptographic method for communication and electronic signatures
|
|
US5375170A
(en)
*
|
1992-11-13 |
1994-12-20 |
Yeda Research & Development Co., Ltd. |
Efficient signature scheme based on birational permutations
|
|
DE69327238T2
(de)
*
|
1993-08-17 |
2000-09-07 |
Entrust Technologies ( Switzerland) Ltd. Liab. Co., Glattzentrum |
Verfahren zur digitalen Unterschrift und Verfahren zur Schlüsselübereinkunft
|
|
FR2714780B1
(fr)
*
|
1993-12-30 |
1996-01-26 |
Stern Jacques |
Procédé d'authentification d'au moins un dispositif d'identification par un dispositif de vérification.
|
|
ATE202439T1
(de)
*
|
1994-01-13 |
2001-07-15 |
Certco Inc |
Verschlüsselungseinrichtung und verfahren mit möglichkeit zur gesicherten zentralen schlüsselablage
|
|
US5557346A
(en)
*
|
1994-08-11 |
1996-09-17 |
Trusted Information Systems, Inc. |
System and method for key escrow encryption
|
|
US5606617A
(en)
*
|
1994-10-14 |
1997-02-25 |
Brands; Stefanus A. |
Secret-key certificates
|
|
JPH11508707A
(ja)
*
|
1995-06-30 |
1999-07-27 |
ブランズ，ステファヌス・アルフォンスス |
秘密鍵上の制限的にブラインド可能な証明書
|
|
JPH09233068A
(ja)
*
|
1996-02-23 |
1997-09-05 |
Digital Vision Lab:Kk |
電子認証システム
|
|
JPH09284272A
(ja)
*
|
1996-04-19 |
1997-10-31 |
Canon Inc |
エンティティの属性情報に基づく暗号化方式、署名方式、鍵共有方式、身元確認方式およびこれらの方式用装置
|
|
GB9610154D0
(en)
*
|
1996-05-15 |
1996-07-24 |
Certicom Corp |
Tool kit protocol
|
|
JP2000500886A
(ja)
*
|
1996-08-16 |
2000-01-25 |
ベル コミュニケーションズ リサーチ，インコーポレイテッド |
ランダムに生成されたペアをプリコンピューティングすることによるアクセラレイティング公開鍵暗号技術
|
|
US5974151A
(en)
*
|
1996-11-01 |
1999-10-26 |
Slavin; Keith R. |
Public key cryptographic system having differential security levels
|
|
US5907618A
(en)
*
|
1997-01-03 |
1999-05-25 |
International Business Machines Corporation |
Method and apparatus for verifiably providing key recovery information in a cryptographic system
|
|
US6782100B1
(en)
*
|
1997-01-29 |
2004-08-24 |
Certicom Corp. |
Accelerated finite field operations on an elliptic curve
|
|
US6236729B1
(en)
*
|
1997-06-06 |
2001-05-22 |
Hitachi, Ltd. |
Key recovery method and system
|
|
JP3613936B2
(ja)
*
|
1997-07-07 |
2005-01-26 |
富士ゼロックス株式会社 |
アクセス資格認証装置
|
|
JP3562262B2
(ja)
*
|
1997-10-17 |
2004-09-08 |
富士ゼロックス株式会社 |
認証方法および装置
|
|
US6081598A
(en)
*
|
1997-10-20 |
2000-06-27 |
Microsoft Corporation |
Cryptographic system and method with fast decryption
|
|
JP4113274B2
(ja)
*
|
1998-02-05 |
2008-07-09 |
富士ゼロックス株式会社 |
認証装置および方法
|
|
JPH11242434A
(ja)
*
|
1998-02-26 |
1999-09-07 |
Hitachi Ltd |
楕円曲線暗号実行方法及び暗号処理システム
|
|
CN1235446A
(zh)
*
|
1998-03-05 |
1999-11-17 |
松下电器产业株式会社 |
椭圆曲线变换装置、利用装置和利用系统
|
|
US6697488B1
(en)
*
|
1998-08-26 |
2004-02-24 |
International Business Machines Corporation |
Practical non-malleable public-key cryptosystem
|
|
US6813358B1
(en)
*
|
1998-11-17 |
2004-11-02 |
Telcordia Technologies, Inc. |
Method and system for timed-release cryptosystems
|
|
US6813357B1
(en)
*
|
1998-12-25 |
2004-11-02 |
Matsushita Communication Industrial Co., Ltd. |
Exclusive key sharing method
|
|
US6859533B1
(en)
*
|
1999-04-06 |
2005-02-22 |
Contentguard Holdings, Inc. |
System and method for transferring the right to decode messages in a symmetric encoding scheme
|
|
JP2001255814A
(ja)
*
|
2000-03-10 |
2001-09-21 |
Murata Mach Ltd |
復号方法、復号装置、及び復号プログラムの記録媒体
|
|
KR100396740B1
(ko)
*
|
2000-10-17 |
2003-09-02 |
학교법인 한국정보통신학원 |
계산적 디피-헬만 가정에 기반하는 안전성 증명 가능한공개키 암호화 방법
|
|
US7360080B2
(en)
*
|
2000-11-03 |
2008-04-15 |
International Business Machines Corporation |
Non-transferable anonymous credential system with optional anonymity revocation
|
|
US7164765B2
(en)
*
|
2001-04-11 |
2007-01-16 |
Hitachi, Ltd. |
Method of a public key encryption and a cypher communication both secure against a chosen-ciphertext attack
|
|
JP4086503B2
(ja)
*
|
2002-01-15 |
2008-05-14 |
富士通株式会社 |
暗号演算装置及び方法並びにプログラム
|
|
US9064364B2
(en)
*
|
2003-10-22 |
2015-06-23 |
International Business Machines Corporation |
Confidential fraud detection system and method
|