WO1995019672A3 - Cryptographic system and method with key escrow feature - Google Patents
Cryptographic system and method with key escrow feature Download PDFInfo
- Publication number
- WO1995019672A3 WO1995019672A3 PCT/US1995/000531 US9500531W WO9519672A3 WO 1995019672 A3 WO1995019672 A3 WO 1995019672A3 US 9500531 W US9500531 W US 9500531W WO 9519672 A3 WO9519672 A3 WO 9519672A3
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- keys
- users
- valid
- escrow
- trusted
- Prior art date
Links
Classifications
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
- G06Q20/00—Payment architectures, schemes or protocols
- G06Q20/02—Payment architectures, schemes or protocols involving a neutral party, e.g. certification authority, notary or trusted third party [TTP]
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
- G06Q20/00—Payment architectures, schemes or protocols
- G06Q20/38—Payment protocols; Details thereof
- G06Q20/382—Payment protocols; Details thereof insuring higher security of transaction
- G06Q20/3821—Electronic credentials
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
- G06Q20/00—Payment architectures, schemes or protocols
- G06Q20/38—Payment protocols; Details thereof
- G06Q20/382—Payment protocols; Details thereof insuring higher security of transaction
- G06Q20/3829—Payment protocols; Details thereof insuring higher security of transaction involving key management
-
- 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)
- H04L9/0825—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 asymmetric-key encryption or public key infrastructure [PKI], e.g. key signature or public key certificates
-
- 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
-
- 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
- H04L9/085—Secret sharing or secret splitting, e.g. threshold schemes
-
- 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
-
- 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
- H04L9/32—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols including means for verifying the identity or authority of a user of the system or for message authentication, e.g. authorization, entity authentication, data integrity or data verification, non-repudiation, key authentication or verification of credentials
- H04L9/3247—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols including means for verifying the identity or authority of a user of the system or for message authentication, e.g. authorization, entity authentication, data integrity or data verification, non-repudiation, key authentication or verification of credentials involving digital signatures
-
- 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
- H04L9/32—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols including means for verifying the identity or authority of a user of the system or for message authentication, e.g. authorization, entity authentication, data integrity or data verification, non-repudiation, key authentication or verification of credentials
- H04L9/3263—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols including means for verifying the identity or authority of a user of the system or for message authentication, e.g. authorization, entity authentication, data integrity or data verification, non-repudiation, key authentication or verification of credentials involving certificates, e.g. public key certificate [PKC] or attribute certificate [AC]; Public key infrastructure [PKI] arrangements
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F7/00—Methods or arrangements for processing data by operating upon the order or content of the data handled
- G06F7/60—Methods or arrangements for performing computations using a digital non-denominational number representation, i.e. number representation without radix; Computing devices using combinations of denominational and non-denominational quantity representations, e.g. using difunction pulse trains, STEELE computers, phase computers
- G06F7/72—Methods or arrangements for performing computations using a digital non-denominational number representation, i.e. number representation without radix; Computing devices using combinations of denominational and non-denominational quantity representations, e.g. using difunction pulse trains, STEELE computers, phase computers using residue arithmetic
- G06F7/724—Finite field arithmetic
- G06F7/725—Finite field arithmetic over elliptic curves
Abstract
Priority Applications (13)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
BR9506414A BR9506414A (en) | 1994-01-13 | 1995-01-13 | Method for generating private, digital cryptographic communications that are proven to be reliable among a plurality of users Method for generating cryptographic communications that are proven to be reliable between a plurality of devices and Method for authorizing a trusted device to perform an electronic transaction between a first user and a second party |
NZ279622A NZ279622A (en) | 1994-01-13 | 1995-01-13 | Encrypted secure and verifiable communication: cryptographic keys escrowed |
AU16803/95A AU1680395A (en) | 1994-01-13 | 1995-01-13 | Cryptographic system and method with key escrow feature |
APAP/P/1996/000811A AP626A (en) | 1994-01-13 | 1995-01-13 | Cryptographic system and method with key escrow feature. |
DK95908511T DK0739560T3 (en) | 1994-01-13 | 1995-01-13 | Cryptographic system and method with key deposit function |
DE69521413T DE69521413T2 (en) | 1994-01-13 | 1995-01-13 | ENCRYPTION DEVICE AND METHOD FOR POSSIBLE SECURED KEY STORAGE |
JP7519155A JPH09507729A (en) | 1994-01-13 | 1995-01-13 | Cryptographic system and method with key escrow function |
AT95908511T ATE202439T1 (en) | 1994-01-13 | 1995-01-13 | ENCRYPTION DEVICE AND METHOD WITH POSSIBILITY FOR SECURE CENTRAL KEY STORAGE |
EP95908511A EP0739560B1 (en) | 1994-01-13 | 1995-01-13 | Cryptographic system and method with key escrow feature |
MX9602773A MX9602773A (en) | 1994-01-13 | 1995-01-13 | Cryptographic system and method with key escrow feature. |
UA96072822A UA41387C2 (en) | 1994-01-13 | 1995-01-13 | Method for setting of true communication being checked, method for protected communication, method for renewal of micro-software, method for execution of enciphered communication and method for giving to device checked on identity of right on electron transaction |
PL95315574A PL176458B1 (en) | 1994-01-13 | 1995-01-13 | Method of and system for encoding with deposition of encoding keys |
GR20010401508T GR3036650T3 (en) | 1994-01-13 | 2001-09-18 | Cryptographic system and method with key escrow feature |
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US18185994A | 1994-01-13 | 1994-01-13 | |
US08/181,859 | 1994-01-13 | ||
US27220394A | 1994-07-08 | 1994-07-08 | |
US08/272,203 | 1994-07-08 |
Publications (2)
Publication Number | Publication Date |
---|---|
WO1995019672A2 WO1995019672A2 (en) | 1995-07-20 |
WO1995019672A3 true WO1995019672A3 (en) | 1995-09-08 |
Family
ID=26877578
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/US1995/000531 WO1995019672A2 (en) | 1994-01-13 | 1995-01-13 | Cryptographic system and method with key escrow feature |
Country Status (22)
Country | Link |
---|---|
US (6) | US5799086A (en) |
EP (1) | EP0739560B1 (en) |
JP (4) | JPH09507729A (en) |
CN (1) | CN1138927A (en) |
AP (1) | AP626A (en) |
AT (1) | ATE202439T1 (en) |
AU (1) | AU1680395A (en) |
BR (1) | BR9506414A (en) |
CA (1) | CA2176032A1 (en) |
CZ (1) | CZ197896A3 (en) |
DE (1) | DE69521413T2 (en) |
DK (1) | DK0739560T3 (en) |
ES (1) | ES2158081T3 (en) |
GR (1) | GR3036650T3 (en) |
HU (1) | HU216231B (en) |
MX (1) | MX9602773A (en) |
NZ (2) | NZ329891A (en) |
OA (1) | OA10456A (en) |
PL (1) | PL176458B1 (en) |
PT (1) | PT739560E (en) |
UA (1) | UA41387C2 (en) |
WO (1) | WO1995019672A2 (en) |
Families Citing this family (677)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5557518A (en) | 1994-04-28 | 1996-09-17 | Citibank, N.A. | Trusted agents for open electronic commerce |
US10361802B1 (en) | 1999-02-01 | 2019-07-23 | Blanding Hovenweep, Llc | Adaptive pattern recognition based control system and method |
US6267670B1 (en) * | 1997-03-21 | 2001-07-31 | Walker Digital, Llc | System and method for performing lottery ticket transactions utilizing point-of-sale terminals |
JPH07271865A (en) | 1994-04-01 | 1995-10-20 | Mitsubishi Corp | Method for managing copyright of data base |
US6088797A (en) * | 1994-04-28 | 2000-07-11 | Rosen; Sholom S. | Tamper-proof electronic processing device |
US7302415B1 (en) | 1994-09-30 | 2007-11-27 | Intarsia Llc | Data copyright management system |
DE69532434T2 (en) * | 1994-10-27 | 2004-11-11 | Mitsubishi Corp. | Device for file copyright management system |
US6424715B1 (en) | 1994-10-27 | 2002-07-23 | Mitsubishi Corporation | Digital content management system and apparatus |
US6324558B1 (en) * | 1995-02-14 | 2001-11-27 | Scott A. Wilber | Random number generator and generation method |
US6272632B1 (en) * | 1995-02-21 | 2001-08-07 | Network Associates, Inc. | System and method for controlling access to a user secret using a key recovery field |
DE19514084C1 (en) * | 1995-04-13 | 1996-07-11 | Siemens Ag | Processor-controlled exchange of cryptographic keys, e.g. in mobile communications |
DE69503374T2 (en) * | 1995-08-28 | 1999-04-15 | Ofra Feldbau | Setup and method for authenticating the sending and content of a document |
US8595502B2 (en) | 1995-09-29 | 2013-11-26 | Intarsia Software Llc | Data management system |
US7716486B2 (en) | 1995-10-02 | 2010-05-11 | Corestreet, Ltd. | Controlling group access to doors |
US6766450B2 (en) | 1995-10-24 | 2004-07-20 | Corestreet, Ltd. | Certificate revocation system |
US8732457B2 (en) * | 1995-10-02 | 2014-05-20 | Assa Abloy Ab | Scalable certificate validation and simplified PKI management |
US7337315B2 (en) * | 1995-10-02 | 2008-02-26 | Corestreet, Ltd. | Efficient certificate revocation |
US8015597B2 (en) | 1995-10-02 | 2011-09-06 | Corestreet, Ltd. | Disseminating additional data used for controlling access |
US7600129B2 (en) | 1995-10-02 | 2009-10-06 | Corestreet, Ltd. | Controlling access using additional data |
US7353396B2 (en) * | 1995-10-02 | 2008-04-01 | Corestreet, Ltd. | Physical access control |
US7822989B2 (en) | 1995-10-02 | 2010-10-26 | Corestreet, Ltd. | Controlling access to an area |
US8261319B2 (en) | 1995-10-24 | 2012-09-04 | Corestreet, Ltd. | Logging access attempts to an area |
US5774552A (en) * | 1995-12-13 | 1998-06-30 | Ncr Corporation | Method and apparatus for retrieving X.509 certificates from an X.500 directory |
US6026163A (en) * | 1995-12-13 | 2000-02-15 | Micali; Silvio | Distributed split-key cryptosystem and applications |
US5995630A (en) * | 1996-03-07 | 1999-11-30 | Dew Engineering And Development Limited | Biometric input with encryption |
US5669975A (en) * | 1996-03-27 | 1997-09-23 | Sony Corporation | Plasma producing method and apparatus including an inductively-coupled plasma source |
US8549310B2 (en) * | 1996-04-08 | 2013-10-01 | Walker Digital, Llc | Method and apparatus for secure measurement certification |
US5815573A (en) * | 1996-04-10 | 1998-09-29 | International Business Machines Corporation | Cryptographic key recovery system |
EP1796014A3 (en) * | 1996-05-15 | 2011-05-25 | Intertrust Technologies Corp | System and method for converting analog signals to digital signals with rights management protection |
AU5340500A (en) * | 1996-06-13 | 2000-11-02 | Intel Corporation | Method for verifying integrity on an apparatus |
US5901227A (en) * | 1996-06-20 | 1999-05-04 | Novell, Inc. | Method and apparatus for implementing partial and complete optional key escrow |
US5913921A (en) * | 1996-07-12 | 1999-06-22 | Glenayre Electronics, Inc. | System for communicating information about nodes configuration by generating advertisements having era values for identifying time reference for which the configuration is operative |
US5796830A (en) * | 1996-07-29 | 1998-08-18 | International Business Machines Corporation | Interoperable cryptographic key recovery system |
US20040199402A1 (en) * | 1996-09-06 | 2004-10-07 | Walker Jay S. | Method and system for anonymous communication of information about a home |
US6212634B1 (en) * | 1996-11-15 | 2001-04-03 | Open Market, Inc. | Certifying authorization in computer networks |
US6192131B1 (en) | 1996-11-15 | 2001-02-20 | Securities Industry Automation Corporation | Enabling business transactions in computer networks |
US8225089B2 (en) | 1996-12-04 | 2012-07-17 | Otomaku Properties Ltd., L.L.C. | Electronic transaction systems utilizing a PEAD and a private key |
US5917913A (en) * | 1996-12-04 | 1999-06-29 | Wang; Ynjiun Paul | Portable electronic authorization devices and methods therefor |
US20060195595A1 (en) * | 2003-12-19 | 2006-08-31 | Mendez Daniel J | System and method for globally and securely accessing unified information in a computer network |
US7287271B1 (en) | 1997-04-08 | 2007-10-23 | Visto Corporation | System and method for enabling secure access to services in a computer network |
US6353812B2 (en) | 1998-02-19 | 2002-03-05 | Certco, Inc. | Computer-based method and system for aiding transactions |
US6708221B1 (en) * | 1996-12-13 | 2004-03-16 | Visto Corporation | System and method for globally and securely accessing unified information in a computer network |
US5917911A (en) * | 1997-01-23 | 1999-06-29 | Motorola, Inc. | Method and system for hierarchical key access and recovery |
US6055575A (en) * | 1997-01-28 | 2000-04-25 | Ascend Communications, Inc. | Virtual private network system and method |
US7212632B2 (en) | 1998-02-13 | 2007-05-01 | Tecsec, Inc. | Cryptographic key split combiner |
US5920630A (en) * | 1997-02-25 | 1999-07-06 | United States Of America | Method of public key cryptography that includes key escrow |
US7003480B2 (en) * | 1997-02-27 | 2006-02-21 | Microsoft Corporation | GUMP: grand unified meta-protocol for simple standards-based electronic commerce transactions |
GB9704159D0 (en) * | 1997-02-28 | 1997-04-16 | Neopost Ltd | Security and authentication of postage indicia |
US7233912B2 (en) | 1997-08-26 | 2007-06-19 | Walker Digital, Llc | Method and apparatus for vending a combination of products |
US6477513B1 (en) * | 1997-04-03 | 2002-11-05 | Walker Digital, Llc | Method and apparatus for executing cryptographically-enabled letters of credit |
US6766454B1 (en) | 1997-04-08 | 2004-07-20 | Visto Corporation | System and method for using an authentication applet to identify and authenticate a user in a computer network |
US6289451B1 (en) * | 1997-04-18 | 2001-09-11 | Sun Microsystems, Inc. | System and method for efficiently implementing an authenticated communications channel that facilitates tamper detection |
US6694433B1 (en) * | 1997-05-08 | 2004-02-17 | Tecsec, Inc. | XML encryption scheme |
CA2287857C (en) * | 1997-05-09 | 2008-07-29 | Gte Cybertrust Solutions Incorporated | Biometric certificates |
JP2001526857A (en) * | 1997-05-09 | 2001-12-18 | ネオメディア テクノロジーズ,インク. | Method and system for accessing electronic resources via machine-readable data on intelligent documents |
US6381698B1 (en) * | 1997-05-21 | 2002-04-30 | At&T Corp | System and method for providing assurance to a host that a piece of software possesses a particular property |
KR20010013155A (en) * | 1997-05-28 | 2001-02-26 | 아담 루카스 영 | Auto-recoverable auto-certifiable cryptosystems |
US6202150B1 (en) * | 1997-05-28 | 2001-03-13 | Adam Lucas Young | Auto-escrowable and auto-certifiable cryptosystems |
US6314190B1 (en) | 1997-06-06 | 2001-11-06 | Networks Associates Technology, Inc. | Cryptographic system with methods for user-controlled message recovery |
US6311171B1 (en) * | 1997-07-11 | 2001-10-30 | Ericsson Inc. | Symmetrically-secured electronic communication system |
US6212635B1 (en) * | 1997-07-18 | 2001-04-03 | David C. Reardon | Network security system allowing access and modification to a security subsystem after initial installation when a master token is in place |
US6058188A (en) * | 1997-07-24 | 2000-05-02 | International Business Machines Corporation | Method and apparatus for interoperable validation of key recovery information in a cryptographic system |
US6370249B1 (en) * | 1997-07-25 | 2002-04-09 | Entrust Technologies, Ltd. | Method and apparatus for public key management |
DE19733662C2 (en) * | 1997-08-04 | 2001-05-23 | Deutsche Telekom Mobil | Method and device for personalization of GSM chips by the customer |
US6278782B1 (en) | 1997-09-16 | 2001-08-21 | Safenet, Inc. | Method of implementing a key recovery system |
US6128391A (en) * | 1997-09-22 | 2000-10-03 | Visa International Service Association | Method and apparatus for asymetric key management in a cryptographic system |
US6357004B1 (en) | 1997-09-30 | 2002-03-12 | Intel Corporation | System and method for ensuring integrity throughout post-processing |
US5970147A (en) * | 1997-09-30 | 1999-10-19 | Intel Corporation | System and method for configuring and registering a cryptographic device |
US6052784A (en) * | 1997-10-14 | 2000-04-18 | Intel Corporation | Network discovery system and method |
AU735091B2 (en) * | 1997-10-28 | 2001-06-28 | Fdgs Group, Llc | Process for digital signing of a message |
US6035398A (en) * | 1997-11-14 | 2000-03-07 | Digitalpersona, Inc. | Cryptographic key generation using biometric data |
US6128735A (en) * | 1997-11-25 | 2000-10-03 | Motorola, Inc. | Method and system for securely transferring a data set in a data communications system |
US6246771B1 (en) * | 1997-11-26 | 2001-06-12 | V-One Corporation | Session key recovery system and method |
GB2331898B (en) * | 1997-12-01 | 2003-03-12 | Hewlett Packard Co | Fair escrow cryptosystems |
US6151395A (en) | 1997-12-04 | 2000-11-21 | Cisco Technology, Inc. | System and method for regenerating secret keys in diffie-hellman communication sessions |
US6108788A (en) * | 1997-12-08 | 2000-08-22 | Entrust Technologies Limited | Certificate management system and method for a communication security system |
US7587044B2 (en) | 1998-01-02 | 2009-09-08 | Cryptography Research, Inc. | Differential power analysis method and apparatus |
JP4496440B2 (en) * | 1998-01-12 | 2010-07-07 | ソニー株式会社 | Encrypted content transmission device |
US6055636A (en) * | 1998-01-27 | 2000-04-25 | Entrust Technologies, Limited | Method and apparatus for centralizing processing of key and certificate life cycle management |
US6058421A (en) * | 1998-02-04 | 2000-05-02 | 3Com Corporation | Method and system for addressing network host interfaces from a cable modem using DHCP |
US6065049A (en) * | 1998-02-04 | 2000-05-16 | 3Com Corporation | Method and system for resolving addresses for network host interfaces from a cable modem |
US6170061B1 (en) | 1998-02-04 | 2001-01-02 | 3Com Corporation | Method and system for secure cable modem registration |
US6240464B1 (en) | 1998-02-04 | 2001-05-29 | 3Com Corporation | Method and system for managing addresses for network host interfaces in a data-over-cable system |
US6070246A (en) * | 1998-02-04 | 2000-05-30 | 3Com Corporation | Method and system for secure cable modem initialization |
US6049826A (en) * | 1998-02-04 | 2000-04-11 | 3Com Corporation | Method and system for cable modem initialization using dynamic servers |
US6185624B1 (en) | 1998-02-04 | 2001-02-06 | 3Com Corporation | Method and system for cable modem management of a data-over-cable system |
EP0936805A1 (en) * | 1998-02-12 | 1999-08-18 | Hewlett-Packard Company | Document transfer systems |
US7079653B2 (en) * | 1998-02-13 | 2006-07-18 | Tecsec, Inc. | Cryptographic key split binding process and apparatus |
US8077870B2 (en) * | 1998-02-13 | 2011-12-13 | Tecsec, Inc. | Cryptographic key split binder for use with tagged data elements |
US6725373B2 (en) * | 1998-03-25 | 2004-04-20 | Intel Corporation | Method and apparatus for verifying the integrity of digital objects using signed manifests |
EP0946019A1 (en) | 1998-03-25 | 1999-09-29 | CANAL+ Société Anonyme | Authentification of data in a digital transmission system |
US6834111B1 (en) * | 1998-04-01 | 2004-12-21 | Matsushita Electric Industrial Co., Ltd. | Data transmitting/receiving method, data transmitter, data receiver, data transmitting/receiving system, av content transmitting method, av content receiving method, av content transmitter, av content receiver, and program recording medium |
US6970836B1 (en) * | 1998-04-14 | 2005-11-29 | Citicorp Development Center, Inc. | System and method for securely storing electronic data |
US6370147B1 (en) | 1998-04-23 | 2002-04-09 | 3Com Corporation | Method for addressing of passive network hosts in a data-over-cable system |
US6240512B1 (en) * | 1998-04-30 | 2001-05-29 | International Business Machines Corporation | Single sign-on (SSO) mechanism having master key synchronization |
US6636485B1 (en) | 1998-05-14 | 2003-10-21 | 3Com Corporation | Method and system for providing quality-of-service in a data-over-cable system |
US6223222B1 (en) | 1998-05-14 | 2001-04-24 | 3Com Corporation | Method and system for providing quality-of-service in a data-over-cable system using configuration protocol messaging |
US6928546B1 (en) * | 1998-05-14 | 2005-08-09 | Fusion Arc, Inc. | Identity verification method using a central biometric authority |
JPH11331618A (en) * | 1998-05-19 | 1999-11-30 | Canon Inc | Image processing unit, image data distribution device, image data distribution system, image data distribution method and storage medium |
US6233341B1 (en) * | 1998-05-19 | 2001-05-15 | Visto Corporation | System and method for installing and using a temporary certificate at a remote site |
US6275853B1 (en) | 1998-05-27 | 2001-08-14 | 3Com Corporation | System and method for extending communications features using generic management information base objects |
US6331987B1 (en) | 1998-05-27 | 2001-12-18 | 3Com Corporation | Method and system for bundling data in a data-over-cable system |
US6775276B1 (en) | 1998-05-27 | 2004-08-10 | 3Com Corporation | Method and system for seamless address allocation in a data-over-cable system |
US6189102B1 (en) | 1998-05-27 | 2001-02-13 | 3Com Corporation | Method for authentication of network devices in a data-over cable system |
US6510162B1 (en) | 1998-05-27 | 2003-01-21 | 3Com Corporation | System and method for managing channel usage in a data over cable system |
US6442158B1 (en) | 1998-05-27 | 2002-08-27 | 3Com Corporation | Method and system for quality-of-service based data forwarding in a data-over-cable system |
US6295554B1 (en) | 1998-05-27 | 2001-09-25 | 3Com Corporation | System and method for communicating with a telco-return cable modem as a single communications device |
US6560203B1 (en) | 1998-05-27 | 2003-05-06 | 3Com Corporation | Method for changing type-of-service in a data-over-cable system |
US6336186B1 (en) | 1998-07-02 | 2002-01-01 | Networks Associates Technology, Inc. | Cryptographic system and methodology for creating and managing crypto policy on certificate servers |
US6442686B1 (en) | 1998-07-02 | 2002-08-27 | Networks Associates Technology, Inc. | System and methodology for messaging server-based management and enforcement of crypto policies |
JP4216475B2 (en) * | 1998-07-02 | 2009-01-28 | クリプターグラフィー リサーチ インコーポレイテッド | Cryptographic indexed key update method and device having leakage resistance |
US6566858B1 (en) * | 1998-07-10 | 2003-05-20 | Silverbrook Research Pty Ltd | Circuit for protecting chips against IDD fluctuation attacks |
US6816968B1 (en) * | 1998-07-10 | 2004-11-09 | Silverbrook Research Pty Ltd | Consumable authentication protocol and system |
BR9815908A (en) * | 1998-07-15 | 2001-10-09 | Ibm | Process of establishing a participant's level of reliability in a communication connection |
US6751729B1 (en) * | 1998-07-24 | 2004-06-15 | Spatial Adventures, Inc. | Automated operation and security system for virtual private networks |
US6226618B1 (en) * | 1998-08-13 | 2001-05-01 | International Business Machines Corporation | Electronic content delivery system |
US6615348B1 (en) | 1999-04-16 | 2003-09-02 | Intel Corporation | Method and apparatus for an adapted digital signature |
US6085321A (en) | 1998-08-14 | 2000-07-04 | Omnipoint Corporation | Unique digital signature |
US6356935B1 (en) | 1998-08-14 | 2002-03-12 | Xircom Wireless, Inc. | Apparatus and method for an authenticated electronic userid |
US6591364B1 (en) * | 1998-08-28 | 2003-07-08 | Lucent Technologies Inc. | Method for establishing session key agreement |
US7111173B1 (en) * | 1998-09-01 | 2006-09-19 | Tecsec, Inc. | Encryption process including a biometric unit |
RU2153191C2 (en) | 1998-09-29 | 2000-07-20 | Закрытое акционерное общество "Алкорсофт" | Method for blind production of digital rsa signature and device which implements said method |
US6892229B1 (en) | 1998-09-30 | 2005-05-10 | 3Com Corporation | System and method for assigning dynamic host configuration protocol parameters in devices using resident network interfaces |
US6212563B1 (en) | 1998-10-01 | 2001-04-03 | 3Com Corporation | Method and system for setting and managing externally provided internet protocol addresses using the dynamic host configuration protocol |
JP2002529012A (en) | 1998-10-23 | 2002-09-03 | エル3 コミュニケーションズ コーポレイション | Apparatus and method for managing key material in disparate cryptographic assets |
US7386727B1 (en) | 1998-10-24 | 2008-06-10 | Encorus Holdings Limited | Method for digital signing of a message |
US6829712B1 (en) * | 1998-10-27 | 2004-12-07 | Sprint Communications Company L.P. | Object-based security system |
US7047416B2 (en) * | 1998-11-09 | 2006-05-16 | First Data Corporation | Account-based digital signature (ABDS) system |
US6820202B1 (en) * | 1998-11-09 | 2004-11-16 | First Data Corporation | Account authority digital signature (AADS) system |
RU2157001C2 (en) | 1998-11-25 | 2000-09-27 | Закрытое акционерное общество "Алкорсофт" | Method for conducting transactions |
US6473861B1 (en) * | 1998-12-03 | 2002-10-29 | Joseph Forte | Magnetic optical encryption/decryption disk drive arrangement |
US6662135B1 (en) | 1998-12-09 | 2003-12-09 | 3Com Corporation | Method and apparatus for reflective mixer testing of a cable modem |
US6307955B1 (en) * | 1998-12-18 | 2001-10-23 | Topaz Systems, Inc. | Electronic signature management system |
US6986157B1 (en) | 1998-12-21 | 2006-01-10 | 3Com Corporation | Method and system for dynamic service registration in a data-over-cable system |
US6351773B1 (en) | 1998-12-21 | 2002-02-26 | 3Com Corporation | Methods for restricting access of network devices to subscription services in a data-over-cable system |
US6657991B1 (en) | 1998-12-21 | 2003-12-02 | 3Com Corporation | Method and system for provisioning network addresses in a data-over-cable system |
US7209889B1 (en) * | 1998-12-24 | 2007-04-24 | Henry Whitfield | Secure system for the issuance, acquisition, and redemption of certificates in a transaction network |
US7171000B1 (en) | 1999-06-10 | 2007-01-30 | Message Secure Corp. | Simplified addressing for private communications |
US6577642B1 (en) | 1999-01-15 | 2003-06-10 | 3Com Corporation | Method and system for virtual network administration with a data-over cable system |
CN1153427C (en) * | 1999-01-26 | 2004-06-09 | 松下电器产业株式会社 | Method and device for data trunking processing and information discarding and program recording medium |
DE19961151A1 (en) * | 1999-01-29 | 2000-08-03 | Ibm | Preparation and vintages of a new type of certificate for the certification of keys on chip cards |
US6600908B1 (en) | 1999-02-04 | 2003-07-29 | Hark C. Chan | Method and system for broadcasting and receiving audio information and associated audio indexes |
GB9905056D0 (en) | 1999-03-05 | 1999-04-28 | Hewlett Packard Co | Computing apparatus & methods of operating computer apparatus |
US7099338B1 (en) | 1999-02-27 | 2006-08-29 | 3Com Corporation | System and method for insuring dynamic host configuration protocol operation by a host connected to a data network |
US6778968B1 (en) | 1999-03-17 | 2004-08-17 | Vialogy Corp. | Method and system for facilitating opportunistic transactions using auto-probes |
EP1039741A3 (en) * | 1999-03-22 | 2003-12-10 | Eastman Kodak Company | Health care system using data authentication |
JP2000276445A (en) * | 1999-03-23 | 2000-10-06 | Nec Corp | Authentication method and device using biometrics discrimination, authentication execution device, and recording medium recorded with authentication program |
US7245707B1 (en) * | 1999-03-26 | 2007-07-17 | Chan Hark C | Data network based telephone messaging system |
US7383205B1 (en) * | 1999-03-27 | 2008-06-03 | Microsoft Corporation | Structure of a digital content package |
US6973444B1 (en) | 1999-03-27 | 2005-12-06 | Microsoft Corporation | Method for interdependently validating a digital content package and a corresponding digital license |
US7356688B1 (en) * | 1999-04-06 | 2008-04-08 | Contentguard Holdings, Inc. | System and method for document distribution |
US7286665B1 (en) * | 1999-04-06 | 2007-10-23 | Contentguard Holdings, Inc. | System and method for transferring the right to decode messages |
WO2000062181A1 (en) * | 1999-04-08 | 2000-10-19 | Keith Richard Holbrook | Information transmission and collection apparatus and method |
AU4370400A (en) * | 1999-05-05 | 2000-11-21 | Uroam, Inc. | A method and apparatus for accessing a computer using a browser |
WO2000070503A1 (en) * | 1999-05-13 | 2000-11-23 | Ascom Hasler Mailing Systems, Inc. | Technique for secure remote configuration of a system |
US7499551B1 (en) | 1999-05-14 | 2009-03-03 | Dell Products L.P. | Public key infrastructure utilizing master key encryption |
US7246244B2 (en) * | 1999-05-14 | 2007-07-17 | Fusionarc, Inc. A Delaware Corporation | Identity verification method using a central biometric authority |
US6611868B1 (en) | 1999-05-21 | 2003-08-26 | 3Com Corporation | Method and system for automatic link hang up |
US6654387B1 (en) | 1999-05-21 | 2003-11-25 | 3Com Corporation | Method for network address table maintenance in a data-over-cable system using a network device registration procedure |
US6697862B1 (en) | 1999-05-21 | 2004-02-24 | 3Com Corporation | System and method for network address maintenance using dynamic host configuration protocol messages in a data-over-cable system |
US6754622B1 (en) | 1999-05-24 | 2004-06-22 | 3Com Corporation | Method for network address table maintenance in a data-over-cable system using destination reachibility |
US6985437B1 (en) | 1999-05-25 | 2006-01-10 | 3Com Corporation | Method for dynamic performance optimization in a data-over-cable system |
EP1056259B1 (en) * | 1999-05-25 | 2005-09-14 | Lucent Technologies Inc. | Method and apparatus for telecommunications using internet protocol |
CA2374968C (en) * | 1999-05-26 | 2010-11-16 | Ascom Hasler Mailing Systems, Inc. | Technique for split knowledge backup and recovery of a cryptographic key |
US6785292B1 (en) | 1999-05-28 | 2004-08-31 | 3Com Corporation | Method for detecting radio frequency impairments in a data-over-cable system |
DE19925910B4 (en) * | 1999-06-07 | 2005-04-28 | Siemens Ag | Method for processing or processing data |
US20020019932A1 (en) * | 1999-06-10 | 2002-02-14 | Eng-Whatt Toh | Cryptographically secure network |
US20020101998A1 (en) * | 1999-06-10 | 2002-08-01 | Chee-Hong Wong | Fast escrow delivery |
US6988199B2 (en) | 2000-07-07 | 2006-01-17 | Message Secure | Secure and reliable document delivery |
US7707420B1 (en) * | 1999-06-23 | 2010-04-27 | Research In Motion Limited | Public key encryption with digital signature scheme |
AU5135400A (en) | 1999-06-30 | 2001-01-22 | Walker Digital, Llc | Vending machine system and method for encouraging the purchase of profitable items |
DE19964198A1 (en) * | 1999-07-15 | 2001-04-12 | Erland Wittkoetter | Data processing device |
IL130963A (en) * | 1999-07-15 | 2006-04-10 | Nds Ltd | Key management for content protection |
GB2353682B (en) * | 1999-07-15 | 2004-03-31 | Nds Ltd | Key management for content protection |
KR100315387B1 (en) * | 1999-08-02 | 2001-11-26 | 윤금 | Private Key, Certificate Administration System and Method Thereof |
EP2802189A3 (en) * | 1999-08-12 | 2015-03-18 | Elad Barkan | Add-on base station for cellular network expansion |
US7373517B1 (en) | 1999-08-19 | 2008-05-13 | Visto Corporation | System and method for encrypting and decrypting files |
US6823456B1 (en) * | 1999-08-25 | 2004-11-23 | International Business Machines Corporation | System and method for providing trusted services via trusted server agents |
US6289455B1 (en) * | 1999-09-02 | 2001-09-11 | Crypotography Research, Inc. | Method and apparatus for preventing piracy of digital content |
CN1158816C (en) * | 1999-09-07 | 2004-07-21 | 诺基亚公司 | Ordered delivery of intercepted data |
US7434046B1 (en) | 1999-09-10 | 2008-10-07 | Cisco Technology, Inc. | Method and apparatus providing secure multicast group communication |
US7181014B1 (en) | 1999-09-10 | 2007-02-20 | Cisco Technology, Inc. | Processing method for key exchange among broadcast or multicast groups that provides a more efficient substitute for Diffie-Hellman key exchange |
US6684331B1 (en) | 1999-12-22 | 2004-01-27 | Cisco Technology, Inc. | Method and apparatus for distributing and updating group controllers over a wide area network using a tree structure |
US6987855B1 (en) | 1999-09-10 | 2006-01-17 | Cisco Technology, Inc. | Operational optimization of a shared secret Diffie-Hellman key exchange among broadcast or multicast groups |
US7260716B1 (en) | 1999-09-29 | 2007-08-21 | Cisco Technology, Inc. | Method for overcoming the single point of failure of the central group controller in a binary tree group key exchange approach |
US7013389B1 (en) | 1999-09-29 | 2006-03-14 | Cisco Technology, Inc. | Method and apparatus for creating a secure communication channel among multiple event service nodes |
US7103185B1 (en) * | 1999-12-22 | 2006-09-05 | Cisco Technology, Inc. | Method and apparatus for distributing and updating private keys of multicast group managers using directory replication |
US7362973B1 (en) * | 1999-09-15 | 2008-04-22 | International Business Machines Corporation | Protecting secret data entry from infrared and audio eavesdropping |
US6853988B1 (en) * | 1999-09-20 | 2005-02-08 | Security First Corporation | Cryptographic server with provisions for interoperability between cryptographic systems |
US7391865B2 (en) * | 1999-09-20 | 2008-06-24 | Security First Corporation | Secure data parser method and system |
US7260724B1 (en) * | 1999-09-20 | 2007-08-21 | Security First Corporation | Context sensitive dynamic authentication in a cryptographic system |
EP1218860A2 (en) * | 1999-09-20 | 2002-07-03 | Ethentica, Inc. | Cryptographic server with provisions for interoperability between cryptographic systems |
US6732113B1 (en) * | 1999-09-20 | 2004-05-04 | Verispan, L.L.C. | System and method for generating de-identified health care data |
US8473452B1 (en) | 1999-09-20 | 2013-06-25 | Ims Health Incorporated | System and method for analyzing de-identified health care data |
US7269261B1 (en) * | 1999-09-22 | 2007-09-11 | Raytheon Company | Key escrow systems |
US6553568B1 (en) | 1999-09-29 | 2003-04-22 | 3Com Corporation | Methods and systems for service level agreement enforcement on a data-over cable system |
JP4011243B2 (en) * | 1999-10-15 | 2007-11-21 | 富士通株式会社 | Electronic original management apparatus and method |
US7461022B1 (en) | 1999-10-20 | 2008-12-02 | Yahoo! Inc. | Auction redemption system and method |
JP3782351B2 (en) * | 1999-10-20 | 2006-06-07 | 富士通株式会社 | Variable length key cryptosystem |
WO2001029762A2 (en) * | 1999-10-20 | 2001-04-26 | Spyrus, Inc. | Method and system for an integrated circuit card interface device with multiple modes of operation |
KR100586030B1 (en) * | 1999-11-03 | 2006-06-01 | 한국전자통신연구원 | Method for managing information needed to recovery crytographic key |
US6823454B1 (en) * | 1999-11-08 | 2004-11-23 | International Business Machines Corporation | Using device certificates to authenticate servers before automatic address assignment |
US6826690B1 (en) * | 1999-11-08 | 2004-11-30 | International Business Machines Corporation | Using device certificates for automated authentication of communicating devices |
US7421472B1 (en) | 1999-11-19 | 2008-09-02 | Ross Jr Robert C | System, method, and computer program product for providing a multi-user e-mail system |
US6775267B1 (en) | 1999-12-30 | 2004-08-10 | At&T Corp | Method for billing IP broadband subscribers |
US7180889B1 (en) | 1999-12-30 | 2007-02-20 | At&T Corp. | Personal control of address assignment and greeting options for multiple BRG ports |
US6889321B1 (en) * | 1999-12-30 | 2005-05-03 | At&T Corp. | Protected IP telephony calls using encryption |
US6937713B1 (en) | 1999-12-30 | 2005-08-30 | At&T Corp. | IP call forward profile |
US6826173B1 (en) | 1999-12-30 | 2004-11-30 | At&T Corp. | Enhanced subscriber IP alerting |
US7089211B1 (en) | 2000-01-12 | 2006-08-08 | Cisco Technology, Inc. | Directory enabled secure multicast group communications |
US7269726B1 (en) | 2000-01-14 | 2007-09-11 | Hewlett-Packard Development Company, L.P. | Lightweight public key infrastructure employing unsigned certificates |
US7010683B2 (en) * | 2000-01-14 | 2006-03-07 | Howlett-Packard Development Company, L.P. | Public key validation service |
US7340600B1 (en) | 2000-01-14 | 2008-03-04 | Hewlett-Packard Development Company, L.P. | Authorization infrastructure based on public key cryptography |
US7020778B1 (en) * | 2000-01-21 | 2006-03-28 | Sonera Smarttrust Oy | Method for issuing an electronic identity |
FR2804561B1 (en) * | 2000-01-31 | 2002-03-01 | France Telecom | COMMUNICATION METHOD WITH SEQUESTRE AND ENCRYPTION KEY RECOVERY |
US6965992B1 (en) | 2000-02-24 | 2005-11-15 | 3Com Corporation | Method and system for network security capable of doing stronger encryption with authorized devices |
US20030101346A1 (en) * | 2000-02-29 | 2003-05-29 | Barron Austin Kesler | Method for notarizing receipt of electronic communications and enabling electronic registered mail; method for verifying identity of account party |
AU2001250017A1 (en) | 2000-03-03 | 2001-09-17 | Dun And Bradstreet, Inc. | Facilitating a transaction in electronic commerce |
EP1134977A1 (en) * | 2000-03-06 | 2001-09-19 | Irdeto Access B.V. | Method and system for providing copies of scrambled content with unique watermarks, and system for descrambling scrambled content |
US20060143252A1 (en) * | 2000-03-09 | 2006-06-29 | Pkware, Inc. | System and method for manipulating and managing computer archive files |
US6879988B2 (en) | 2000-03-09 | 2005-04-12 | Pkware | System and method for manipulating and managing computer archive files |
US7844579B2 (en) | 2000-03-09 | 2010-11-30 | Pkware, Inc. | System and method for manipulating and managing computer archive files |
US20060173848A1 (en) * | 2000-03-09 | 2006-08-03 | Pkware, Inc. | System and method for manipulating and managing computer archive files |
US20060155731A1 (en) * | 2000-03-09 | 2006-07-13 | Pkware, Inc. | System and method for manipulating and managing computer archive files |
US20060143714A1 (en) * | 2000-03-09 | 2006-06-29 | Pkware, Inc. | System and method for manipulating and managing computer archive files |
US8959582B2 (en) | 2000-03-09 | 2015-02-17 | Pkware, Inc. | System and method for manipulating and managing computer archive files |
US20060143250A1 (en) * | 2000-03-09 | 2006-06-29 | Pkware, Inc. | System and method for manipulating and managing computer archive files |
US8230482B2 (en) * | 2000-03-09 | 2012-07-24 | Pkware, Inc. | System and method for manipulating and managing computer archive files |
US20050015608A1 (en) | 2003-07-16 | 2005-01-20 | Pkware, Inc. | Method for strongly encrypting .ZIP files |
US6895501B1 (en) * | 2000-03-13 | 2005-05-17 | Wrq, Inc. | Method and apparatus for distributing, interpreting, and storing heterogeneous certificates in a homogenous public key infrastructure |
US7089580B1 (en) | 2000-03-29 | 2006-08-08 | 3Com Corporation | Method for improved cable modem ranging in a data-over-cable system |
US20040186996A1 (en) * | 2000-03-29 | 2004-09-23 | Gibbs Benjamin K. | Unique digital signature |
US6584564B2 (en) * | 2000-04-25 | 2003-06-24 | Sigaba Corporation | Secure e-mail system |
US7277549B2 (en) * | 2000-04-25 | 2007-10-02 | Secure Data In Motion, Inc. | System for implementing business processes using key server events |
US7376835B2 (en) * | 2000-04-25 | 2008-05-20 | Secure Data In Motion, Inc. | Implementing nonrepudiation and audit using authentication assertions and key servers |
US7325127B2 (en) * | 2000-04-25 | 2008-01-29 | Secure Data In Motion, Inc. | Security server system |
US7237114B1 (en) | 2000-04-26 | 2007-06-26 | Pronvest, Inc. | Method and system for signing and authenticating electronic documents |
US6804262B1 (en) | 2000-04-28 | 2004-10-12 | 3Com Corporation | Method and apparatus for channel determination through power measurements |
US7308718B1 (en) * | 2000-05-09 | 2007-12-11 | Neopost Technologies | Technique for secure remote configuration of a system |
US7640580B1 (en) | 2000-05-17 | 2009-12-29 | F5 Networks, Inc. | Method and apparatus for accessing a computer behind a firewall |
US6796489B2 (en) * | 2000-06-06 | 2004-09-28 | Ingeo Systems, Inc. | Processing electronic documents with embedded digital signatures |
WO2001095078A1 (en) * | 2000-06-06 | 2001-12-13 | Ingeo Systems, Inc. | Creating and verifying electronic documents |
FR2810138B1 (en) * | 2000-06-08 | 2005-02-11 | Bull Cp8 | METHOD FOR SECURE STORAGE OF SENSITIVE DATA IN A MEMORY OF AN ELECTRONIC CHIP-BASED SYSTEM, IN PARTICULAR A CHIP CARD, AND ON-BOARD SYSTEM IMPLEMENTING THE METHOD |
US7493486B1 (en) * | 2000-06-09 | 2009-02-17 | Verizon Laboratories, Inc. | Method and apparatus for supporting cryptographic-related activities in a public key infrastructure |
AU2001267198A1 (en) * | 2000-06-09 | 2001-12-17 | Certicom Corp. | A method for the application of implicit signature schemes |
US20040073617A1 (en) * | 2000-06-19 | 2004-04-15 | Milliken Walter Clark | Hash-based systems and methods for detecting and preventing transmission of unwanted e-mail |
US6944881B1 (en) | 2000-06-19 | 2005-09-13 | 3Com Corporation | Method for using an initial maintenance opportunity for non-contention ranging |
US6891953B1 (en) * | 2000-06-27 | 2005-05-10 | Microsoft Corporation | Method and system for binding enhanced software features to a persona |
US6941457B1 (en) | 2000-06-30 | 2005-09-06 | Cisco Technology, Inc. | Establishing a new shared secret key over a broadcast channel for a multicast group based on an old shared secret key |
AU2001236580A1 (en) * | 2000-07-06 | 2002-01-21 | Hitae Lee | Three-way encryption/decryption system |
US7251728B2 (en) | 2000-07-07 | 2007-07-31 | Message Secure Corporation | Secure and reliable document delivery using routing lists |
US6816500B1 (en) | 2000-07-10 | 2004-11-09 | 3Com Corporation | Apparatus, method and system for multimedia access network channel management |
US7082533B2 (en) * | 2000-08-04 | 2006-07-25 | First Data Corporation | Gauging risk in electronic communications regarding accounts in ABDS system |
US6978369B2 (en) * | 2000-08-04 | 2005-12-20 | First Data Corporation | Person-centric account-based digital signature system |
CA2417770C (en) | 2000-08-04 | 2011-10-25 | First Data Corporation | Trusted authentication digital signature (tads) system |
US7010691B2 (en) * | 2000-08-04 | 2006-03-07 | First Data Corporation | ABDS system utilizing security information in authenticating entity access |
US7558965B2 (en) | 2000-08-04 | 2009-07-07 | First Data Corporation | Entity authentication in electronic communications by providing verification status of device |
US6983368B2 (en) * | 2000-08-04 | 2006-01-03 | First Data Corporation | Linking public key of device to information during manufacture |
US6820201B1 (en) * | 2000-08-04 | 2004-11-16 | Sri International | System and method using information-based indicia for securing and authenticating transactions |
US6789189B2 (en) * | 2000-08-04 | 2004-09-07 | First Data Corporation | Managing account database in ABDS system |
AU2008203525B2 (en) * | 2000-08-04 | 2011-11-10 | First Data Corporation | Linking public key of device to information during manufacturing |
US7096354B2 (en) * | 2000-08-04 | 2006-08-22 | First Data Corporation | Central key authority database in an ABDS system |
WO2002013040A1 (en) * | 2000-08-09 | 2002-02-14 | Keith Richard Holbrook | Information transmission and collection apparatus and method |
AU2001283215A1 (en) * | 2000-08-14 | 2002-02-25 | Yahoo, Inc. | Offline-online incentive points system and method |
GB0020371D0 (en) * | 2000-08-18 | 2000-10-04 | Hewlett Packard Co | Apparatus and method for establishing trust |
US8307098B1 (en) * | 2000-08-29 | 2012-11-06 | Lenovo (Singapore) Pte. Ltd. | System, method, and program for managing a user key used to sign a message for a data processing system |
US7225231B2 (en) * | 2000-09-20 | 2007-05-29 | Visto Corporation | System and method for transmitting workspace elements across a network |
AU2001293563A1 (en) * | 2000-09-21 | 2002-04-02 | Research In Motion Limited | Code signing system and method |
US7107326B1 (en) | 2000-10-13 | 2006-09-12 | 3Com Corporation | Method and system for integrating IP address reservations with policy provisioning |
US20020048372A1 (en) * | 2000-10-19 | 2002-04-25 | Eng-Whatt Toh | Universal signature object for digital data |
US20030021417A1 (en) * | 2000-10-20 | 2003-01-30 | Ognjen Vasic | Hidden link dynamic key manager for use in computer systems with database structure for storage of encrypted data and method for storage and retrieval of encrypted data |
US6789193B1 (en) * | 2000-10-27 | 2004-09-07 | Pitney Bowes Inc. | Method and system for authenticating a network user |
JP2002202719A (en) * | 2000-11-06 | 2002-07-19 | Sony Corp | Device and method for enciphering, device and method for deciphering, and storage medium |
EP1340156A4 (en) * | 2000-11-20 | 2007-06-20 | Xante Corp | System, method, and computer program product for providing a multi-user e-mail system |
US7068597B1 (en) | 2000-11-27 | 2006-06-27 | 3Com Corporation | System and method for automatic load balancing in a data-over-cable network |
US6940874B2 (en) * | 2000-11-30 | 2005-09-06 | 3Com Corporation | Method for reducing interference from initializing network devices in a data-over-cable system |
US6948184B1 (en) | 2000-11-30 | 2005-09-20 | 3Com Corporation | System and method for calibrating power level during initial ranging of a network client device |
US20020067833A1 (en) * | 2000-12-05 | 2002-06-06 | Han Ching-Chih (Jason) | Method and apparatus for providing conditional access to the source code of a program |
US20080214300A1 (en) * | 2000-12-07 | 2008-09-04 | Igt | Methods for electronic data security and program authentication |
KR100377019B1 (en) * | 2000-12-09 | 2003-03-26 | 이임영 | An identity escrow method using blind techniques |
US7149310B2 (en) * | 2000-12-19 | 2006-12-12 | Tricipher, Inc. | Method and system for authorizing generation of asymmetric crypto-keys |
US6934840B2 (en) * | 2000-12-21 | 2005-08-23 | International Business Machines Corporation | Composite keystore facility apparatus and method therefor |
US6988196B2 (en) * | 2000-12-22 | 2006-01-17 | Lenovo (Singapore) Pte Ltd | Computer system and method for generating a digital certificate |
US20020080888A1 (en) * | 2000-12-22 | 2002-06-27 | Li Shu | Message splitting and spatially diversified message routing for increasing transmission assurance and data security over distributed networks |
US6948065B2 (en) | 2000-12-27 | 2005-09-20 | Intel Corporation | Platform and method for securely transmitting an authorization secret |
JP4284867B2 (en) * | 2001-01-18 | 2009-06-24 | 株式会社日立製作所 | A public-key cryptography method that is secure against adaptive choice ciphertext attacks on a standard model |
US6952428B1 (en) | 2001-01-26 | 2005-10-04 | 3Com Corporation | System and method for a specialized dynamic host configuration protocol proxy in a data-over-cable network |
US6996842B2 (en) * | 2001-01-30 | 2006-02-07 | Intel Corporation | Processing internet protocol security traffic |
AU742639B3 (en) | 2001-02-15 | 2002-01-10 | Ewise Systems Pty Limited | Secure network access |
US6895104B2 (en) | 2001-02-16 | 2005-05-17 | Sac Technologies, Inc. | Image identification system |
US7073055B1 (en) | 2001-02-22 | 2006-07-04 | 3Com Corporation | System and method for providing distributed and dynamic network services for remote access server users |
US7222255B1 (en) | 2001-02-28 | 2007-05-22 | 3Com Corporation | System and method for network performance testing |
US20020129261A1 (en) * | 2001-03-08 | 2002-09-12 | Cromer Daryl Carvis | Apparatus and method for encrypting and decrypting data recorded on portable cryptographic tokens |
US7711122B2 (en) | 2001-03-09 | 2010-05-04 | Arcot Systems, Inc. | Method and apparatus for cryptographic key storage wherein key servers are authenticated by possession and secure distribution of stored keys |
US7181017B1 (en) | 2001-03-23 | 2007-02-20 | David Felsher | System and method for secure three-party communications |
JPWO2002080447A1 (en) * | 2001-03-29 | 2004-07-22 | ソニー株式会社 | Information processing equipment |
GB2374497B (en) * | 2001-04-03 | 2003-03-12 | Ericsson Telefon Ab L M | Facilitating legal interception of IP connections |
US7603703B2 (en) * | 2001-04-12 | 2009-10-13 | International Business Machines Corporation | Method and system for controlled distribution of application code and content data within a computer network |
US7975139B2 (en) * | 2001-05-01 | 2011-07-05 | Vasco Data Security, Inc. | Use and generation of a session key in a secure socket layer connection |
DE60120369T2 (en) * | 2001-05-23 | 2007-07-12 | Daniel Büttiker | Method and data carrier for the registration of users of a public-key infrastructure and registration system |
US7103606B2 (en) * | 2001-06-18 | 2006-09-05 | International Business Machines Corporation | Method and apparatus for removing information from a server |
US20020191020A1 (en) * | 2001-06-18 | 2002-12-19 | International Business Machines Corporation | Method and apparatus for removing confindential information from a history |
US20020191032A1 (en) * | 2001-06-18 | 2002-12-19 | International Business Machines Corporation | Method and apparatus for viewing and managing information in a history |
FI112904B (en) * | 2001-06-29 | 2004-01-30 | Nokia Corp | The method of protecting the electronic device and the electronic device |
US6834795B1 (en) * | 2001-06-29 | 2004-12-28 | Sun Microsystems, Inc. | Secure user authentication to computing resource via smart card |
US7257844B2 (en) | 2001-07-31 | 2007-08-14 | Marvell International Ltd. | System and method for enhanced piracy protection in a wireless personal communication device |
KR100896390B1 (en) | 2001-08-01 | 2009-05-08 | 파나소닉 주식회사 | Encrypted data delivery system |
US20040128508A1 (en) * | 2001-08-06 | 2004-07-01 | Wheeler Lynn Henry | Method and apparatus for access authentication entity |
US7088678B1 (en) | 2001-08-27 | 2006-08-08 | 3Com Corporation | System and method for traffic shaping based on generalized congestion and flow control |
US7779267B2 (en) * | 2001-09-04 | 2010-08-17 | Hewlett-Packard Development Company, L.P. | Method and apparatus for using a secret in a distributed computing system |
US7313828B2 (en) * | 2001-09-04 | 2007-12-25 | Nokia Corporation | Method and apparatus for protecting software against unauthorized use |
FR2829644A1 (en) * | 2001-09-10 | 2003-03-14 | St Microelectronics Sa | Internet digital word watermarking transmission having symmetrical algorithm authentication key before transmission and authentication key watermarking phase and transmission watermarked words |
US20030051160A1 (en) * | 2001-09-11 | 2003-03-13 | Selkirk Stephen S. | Anti-piracy firmware update |
JP4969745B2 (en) * | 2001-09-17 | 2012-07-04 | 株式会社東芝 | Public key infrastructure system |
KR20030028618A (en) * | 2001-09-20 | 2003-04-10 | (주) 엘지텔레콤 | method for certification issuance service using network |
EP1430641A2 (en) | 2001-09-27 | 2004-06-23 | Matsushita Electric Industrial Co., Ltd. | An encryption device, a decrypting device, a secret key generation device,a copyright protection system and a cipher communication device |
GB0123453D0 (en) * | 2001-09-28 | 2001-11-21 | Ncipher Corp Ltd | Time stamping device |
US7207060B2 (en) | 2001-10-18 | 2007-04-17 | Nokia Corporation | Method, system and computer program product for secure ticketing in a communications device |
US7178041B2 (en) | 2001-10-18 | 2007-02-13 | Nokia Corporation | Method, system and computer program product for a trusted counter in an external security element for securing a personal communication device |
US20030076957A1 (en) * | 2001-10-18 | 2003-04-24 | Nadarajah Asokan | Method, system and computer program product for integrity-protected storage in a personal communication device |
US7085306B1 (en) | 2001-10-30 | 2006-08-01 | 3Com Corporation | System and method for a multi-frequency upstream channel in a computer network |
JP4055393B2 (en) * | 2001-10-30 | 2008-03-05 | ソニー株式会社 | Data processing apparatus and method and program thereof |
US6973191B2 (en) * | 2001-11-02 | 2005-12-06 | Activcard | System and method for generating symmetric keys within a personal security device having minimal trust relationships |
US7334125B1 (en) | 2001-11-27 | 2008-02-19 | Cisco Technology, Inc. | Facilitating secure communications among multicast nodes in a telecommunications network |
US6785381B2 (en) * | 2001-11-27 | 2004-08-31 | Siemens Information And Communication Networks, Inc. | Telephone having improved hands free operation audio quality and method of operation thereof |
US7007040B1 (en) | 2001-12-04 | 2006-02-28 | General Dynamics C4 Systems, Inc. | Method and apparatus for storing and updating information in a multi-cast system |
WO2003049357A2 (en) * | 2001-12-07 | 2003-06-12 | Telefonaktiebolaget Lm Ericsson (Publ) | Lawful interception of end-to-end encrypted data traffic |
US7171493B2 (en) * | 2001-12-19 | 2007-01-30 | The Charles Stark Draper Laboratory | Camouflage of network traffic to resist attack |
US7225161B2 (en) * | 2001-12-21 | 2007-05-29 | Schlumberger Omnes, Inc. | Method and system for initializing a key management system |
US7072337B1 (en) | 2002-01-25 | 2006-07-04 | 3Com Corporation | System and method for resolving network addresses for network devices on distributed network subnets |
US20030145025A1 (en) * | 2002-01-31 | 2003-07-31 | Allred Rustin W. | Method of designing families of boost and cut filters, including treble and bass controls and graphic equalizers |
US7818792B2 (en) * | 2002-02-04 | 2010-10-19 | General Instrument Corporation | Method and system for providing third party authentication of authorization |
US7146009B2 (en) * | 2002-02-05 | 2006-12-05 | Surety, Llc | Secure electronic messaging system requiring key retrieval for deriving decryption keys |
US7415440B1 (en) * | 2002-02-22 | 2008-08-19 | Entriq, Inc. | Method and system to provide secure key selection using a secure device in a watercrypting environment |
US7251635B2 (en) * | 2002-02-25 | 2007-07-31 | Schlumberger Omnes, Inc. | Method and apparatus for managing a key management system |
US7228417B2 (en) | 2002-02-26 | 2007-06-05 | America Online, Inc. | Simple secure login with multiple-authentication providers |
US7308579B2 (en) * | 2002-03-15 | 2007-12-11 | Noel Abela | Method and system for internationally providing trusted universal identification over a global communications network |
US7627753B2 (en) * | 2002-03-19 | 2009-12-01 | Microsoft Corporation | Secure digital data format and code enforced policy |
GB2387301B (en) * | 2002-04-02 | 2005-02-09 | Clive Neil Galley | Private-key cryptosystem and other applications |
US20030196096A1 (en) * | 2002-04-12 | 2003-10-16 | Sutton James A. | Microcode patch authentication |
US7822495B2 (en) * | 2002-04-15 | 2010-10-26 | Fisher-Rosemount Systems, Inc. | Custom function blocks for use with process control systems |
US7475248B2 (en) | 2002-04-29 | 2009-01-06 | International Business Machines Corporation | Enhanced message security |
US7007159B2 (en) * | 2002-05-10 | 2006-02-28 | Intel Corporation | System and method for loading and integrating a firmware extension onto executable base system firmware during initialization |
US20030212889A1 (en) * | 2002-05-13 | 2003-11-13 | Khieu Andrew K. | Method and system for exchanging data over networks using public key encryption |
AU2003247364A1 (en) * | 2002-05-15 | 2003-12-02 | Bio-Key International, Inc. | Match template protection within biometric security systems |
US7340770B2 (en) * | 2002-05-15 | 2008-03-04 | Check Point Software Technologies, Inc. | System and methodology for providing community-based security policies |
US7096254B2 (en) * | 2002-05-30 | 2006-08-22 | International Business Machines Corporation | Electronic mail distribution network implementation for safeguarding sender's address book covering addressee aliases with minimum interference with normal electronic mail transmission |
US7167843B2 (en) | 2002-06-05 | 2007-01-23 | Sun Microsystems, Inc. | Apparatus for private personal identification number management |
US7596531B2 (en) * | 2002-06-05 | 2009-09-29 | Sun Microsystems, Inc. | Method and apparatus for protecting against side channel attacks against personal identification numbers |
US7162456B2 (en) * | 2002-06-05 | 2007-01-09 | Sun Microsystems, Inc. | Method for private personal identification number management |
US20030233562A1 (en) * | 2002-06-12 | 2003-12-18 | Sachin Chheda | Data-protection circuit and method |
KR100466827B1 (en) * | 2002-06-14 | 2005-01-17 | 이임영 | An Identity Escrow method supporting key recovery |
US7352867B2 (en) * | 2002-07-10 | 2008-04-01 | General Instrument Corporation | Method of preventing unauthorized distribution and use of electronic keys using a key seed |
EP1527550A4 (en) * | 2002-07-25 | 2008-10-01 | Bio Key Int Inc | Trusted biometric device |
US6931133B2 (en) * | 2002-09-03 | 2005-08-16 | Verisign, Inc. | Method and system of securely escrowing private keys in a public key infrastructure |
US8083585B2 (en) | 2002-09-10 | 2011-12-27 | Igt | Apparatus and method for copying gaming machine configuration settings |
US7900051B2 (en) * | 2002-09-10 | 2011-03-01 | Stmicroelectronics S.A. | Secure multimedia data transmission method |
ATE320125T1 (en) * | 2002-09-11 | 2006-03-15 | Giesecke & Devrient Gmbh | PROTECTED CRYPTOGRAPHIC CALCULATION |
US20040054901A1 (en) * | 2002-09-17 | 2004-03-18 | Microsoft Corporation | Creating and verifying a sequence of consecutive data |
US7548621B1 (en) | 2002-09-26 | 2009-06-16 | Ncr Corporation | System and method for securing a base derivation key for use in injection of derived unique key per transaction devices |
US7426382B2 (en) * | 2002-10-09 | 2008-09-16 | Motorola, Inc. | Contact validation and trusted contact updating in mobile wireless communications devices |
US7574607B1 (en) * | 2002-10-29 | 2009-08-11 | Zix Corporation | Secure pipeline processing |
KR100502066B1 (en) * | 2002-10-31 | 2005-07-25 | 한국전자통신연구원 | Method and system for managing a secret key |
US7207067B2 (en) * | 2002-11-12 | 2007-04-17 | Aol Llc | Enforcing data protection legislation in Web data services |
US7131003B2 (en) * | 2003-02-20 | 2006-10-31 | America Online, Inc. | Secure instant messaging system |
FR2849248B1 (en) * | 2002-12-20 | 2005-06-24 | Oberthur Card Syst Sa | SECURE ELECTRONIC ENTITY PERMITTING A CERTIFICATION OF TIME |
ATE444617T1 (en) * | 2003-01-07 | 2009-10-15 | Qualcomm Inc | SYSTEM, APPARATUS AND METHOD FOR EXCHANGING A CRYPTOGRAPHIC KEY |
US7640427B2 (en) * | 2003-01-07 | 2009-12-29 | Pgp Corporation | System and method for secure electronic communication in a partially keyless environment |
US7562229B2 (en) * | 2003-01-23 | 2009-07-14 | Hewlett-Packard Development Company, L.P. | Codeword-based auditing of computer systems and methods therefor |
US9818136B1 (en) | 2003-02-05 | 2017-11-14 | Steven M. Hoffberg | System and method for determining contingent relevance |
US20100017627A1 (en) | 2003-02-07 | 2010-01-21 | Broadon Communications Corp. | Ensuring authenticity in a closed content distribution system |
US7779482B1 (en) * | 2003-02-07 | 2010-08-17 | iGware Inc | Delivery of license information using a short messaging system protocol in a closed content distribution system |
US8131649B2 (en) | 2003-02-07 | 2012-03-06 | Igware, Inc. | Static-or-dynamic and limited-or-unlimited content rights |
WO2004074957A2 (en) * | 2003-02-21 | 2004-09-02 | Research In Motion Limited | System and method of multiple-level control of electronic devices |
US7370212B2 (en) | 2003-02-25 | 2008-05-06 | Microsoft Corporation | Issuing a publisher use license off-line in a digital rights management (DRM) system |
US7168091B2 (en) * | 2003-03-14 | 2007-01-23 | Citibank, N.A. | Method and system of transaction security |
US7490348B1 (en) | 2003-03-17 | 2009-02-10 | Harris Technology, Llc | Wireless network having multiple communication allowances |
US20040190721A1 (en) * | 2003-03-24 | 2004-09-30 | Microsoft Corporation | Renewable conditional access system |
US7757162B2 (en) | 2003-03-31 | 2010-07-13 | Ricoh Co. Ltd. | Document collection manipulation |
US7536638B2 (en) | 2003-03-31 | 2009-05-19 | Ricoh Co., Ltd. | Action stickers for identifying and processing stored documents |
US7739583B2 (en) | 2003-03-31 | 2010-06-15 | Ricoh Company, Ltd. | Multimedia document sharing method and apparatus |
US7703002B2 (en) | 2003-03-31 | 2010-04-20 | Ricoh Company, Ltd. | Method and apparatus for composing multimedia documents |
US7509569B2 (en) * | 2003-03-31 | 2009-03-24 | Ricoh Co., Ltd. | Action stickers for nested collections |
US20040199768A1 (en) * | 2003-04-04 | 2004-10-07 | Nail Robert A. | System and method for enabling enterprise application security |
US7836493B2 (en) | 2003-04-24 | 2010-11-16 | Attachmate Corporation | Proxy server security token authorization |
US6834347B2 (en) | 2003-04-29 | 2004-12-21 | International Business Machines Corporation | Target self-security for upgrades for an embedded device |
AU2004239780B2 (en) | 2003-05-13 | 2009-08-27 | Assa Abloy Ab | Efficient and secure data currentness systems |
EP1636682A4 (en) * | 2003-06-24 | 2009-04-29 | Corestreet Ltd | Access control |
US8214884B2 (en) * | 2003-06-27 | 2012-07-03 | Attachmate Corporation | Computer-based dynamic secure non-cached delivery of security credentials such as digitally signed certificates or keys |
KR101000918B1 (en) * | 2003-09-01 | 2010-12-13 | 삼성전자주식회사 | Apparatus and method for reuse public key/private key pair |
JP4583833B2 (en) * | 2003-09-12 | 2010-11-17 | 株式会社リコー | COMMUNICATION DEVICE, COMMUNICATION SYSTEM, COMMUNICATION METHOD, AND PROGRAM |
US7290278B2 (en) | 2003-10-02 | 2007-10-30 | Aol Llc, A Delaware Limited Liability Company | Identity based service system |
US7558954B2 (en) * | 2003-10-31 | 2009-07-07 | Hewlett-Packard Development Company, L.P. | Method and apparatus for ensuring the integrity of data |
CA2544273C (en) | 2003-11-19 | 2015-01-13 | Corestreet, Ltd. | Distributed delegated path discovery and validation |
US7698557B2 (en) * | 2003-12-22 | 2010-04-13 | Guardtime As | System and method for generating a digital certificate |
US7523315B2 (en) * | 2003-12-22 | 2009-04-21 | Ingeo Systems, Llc | Method and process for creating an electronically signed document |
US8139770B2 (en) * | 2003-12-23 | 2012-03-20 | Wells Fargo Bank, N.A. | Cryptographic key backup and escrow system |
US7844834B2 (en) * | 2003-12-30 | 2010-11-30 | Telecom Italia S.P.A. | Method and system for protecting data, related communication network and computer program product |
JP2005196412A (en) * | 2004-01-06 | 2005-07-21 | Sony Corp | Data communication device and memory management method for data communication device |
US7966487B2 (en) | 2004-01-09 | 2011-06-21 | Corestreet, Ltd. | Communication-efficient real time credentials for OCSP and distributed OCSP |
JP4434969B2 (en) | 2004-01-21 | 2010-03-17 | 株式会社東芝 | Content providing side system, user side system, tracking system, apparatus, method and program |
US20050172229A1 (en) * | 2004-01-29 | 2005-08-04 | Arcot Systems, Inc. | Browser user-interface security application |
JP4556103B2 (en) * | 2004-02-24 | 2010-10-06 | ソニー株式会社 | Encryption apparatus and encryption method |
AU2005255327B2 (en) * | 2004-03-22 | 2008-05-01 | Samsung Electronics Co., Ltd. | Method and apparatus for digital rights management using certificate revocation list |
KR101254209B1 (en) * | 2004-03-22 | 2013-04-23 | 삼성전자주식회사 | Apparatus and method for moving and copying right objects between device and portable storage device |
CN100512098C (en) * | 2004-03-26 | 2009-07-08 | 上海山丽信息安全有限公司 | Privacy document access authorization system with fingerprint limitation |
US20060242406A1 (en) | 2005-04-22 | 2006-10-26 | Microsoft Corporation | Protected computing environment |
ATE388570T1 (en) * | 2004-05-19 | 2008-03-15 | Alcatel Lucent | METHOD FOR PROVIDING A SIGNING KEY FOR DIGITAL SIGNING, VERIFICATION OR ENCRYPTION OF DATA |
US7594234B1 (en) * | 2004-06-04 | 2009-09-22 | Sun Microsystems, Inc. | Adaptive spin-then-block mutual exclusion in multi-threaded processing |
US7644409B2 (en) * | 2004-06-04 | 2010-01-05 | Sun Microsystems, Inc. | Techniques for accessing a shared resource using an improved synchronization mechanism |
US8261336B2 (en) * | 2004-06-15 | 2012-09-04 | Emc Corporation | System and method for making accessible a set of services to users |
US7421589B2 (en) * | 2004-07-21 | 2008-09-02 | Beachhead Solutions, Inc. | System and method for lost data destruction of electronic data stored on a portable electronic device using a security interval |
CN100409138C (en) * | 2004-07-21 | 2008-08-06 | 京瓷美达株式会社 | Cipher identification device and method |
US7475397B1 (en) | 2004-07-28 | 2009-01-06 | Sun Microsystems, Inc. | Methods and apparatus for providing a remote serialization guarantee |
WO2006018874A1 (en) * | 2004-08-19 | 2006-02-23 | Mitsubishi Denki Kabushiki Kaisha | Management service device, backup service device, communication terminal device, and storage medium |
US8284942B2 (en) * | 2004-08-24 | 2012-10-09 | Microsoft Corporation | Persisting private/public key pairs in password-encrypted files for transportation to local cryptographic store |
DE112004002943B4 (en) * | 2004-08-26 | 2010-06-24 | Fujitsu Ltd., Kawasaki | Content management program, method and device |
JP2006139747A (en) * | 2004-08-30 | 2006-06-01 | Kddi Corp | Communication system, and security assurance device |
US7433847B2 (en) * | 2004-09-22 | 2008-10-07 | Pitney Bowes Inc. | System and method for manufacturing and securing transport of postage printing devices |
US20060075254A1 (en) * | 2004-09-27 | 2006-04-06 | Cisco Technology, Inc. (A California Corporation) | Smart card functionality from a security co-processor and symmetric key in ROM |
US9558341B1 (en) | 2004-10-07 | 2017-01-31 | Sprint Communications Company L.P. | Integrated user profile administration tool |
US7636852B1 (en) * | 2004-10-07 | 2009-12-22 | Sprint Communications Company L.P. | Call center dashboard |
JP4725070B2 (en) * | 2004-10-13 | 2011-07-13 | パナソニック株式会社 | Regular content confirmation method, content transmission / reception system, transmitter, and receiver |
US8347078B2 (en) | 2004-10-18 | 2013-01-01 | Microsoft Corporation | Device certificate individualization |
CA2922172A1 (en) | 2004-10-25 | 2006-05-04 | Security First Corp. | Secure data parser method and system |
WO2006046484A1 (en) * | 2004-10-25 | 2006-05-04 | Matsushita Electric Industrial Co., Ltd. | Authentication method |
US7205882B2 (en) | 2004-11-10 | 2007-04-17 | Corestreet, Ltd. | Actuating a security system using a wireless device |
EP1825632B1 (en) * | 2004-11-11 | 2016-01-20 | Certicom Corp. | Secure interface for versatile key derivation function support |
US8176564B2 (en) | 2004-11-15 | 2012-05-08 | Microsoft Corporation | Special PC mode entered upon detection of undesired state |
US8336085B2 (en) | 2004-11-15 | 2012-12-18 | Microsoft Corporation | Tuning product policy using observed evidence of customer behavior |
US8464348B2 (en) * | 2004-11-15 | 2013-06-11 | Microsoft Corporation | Isolated computing environment anchored into CPU and motherboard |
US7457960B2 (en) * | 2004-11-30 | 2008-11-25 | Analog Devices, Inc. | Programmable processor supporting secure mode |
US20060129821A1 (en) * | 2004-12-13 | 2006-06-15 | Microsoft Corporation | Believably trustworthy enforcement of privacy enhancing technologies in data processing |
US20080288786A1 (en) * | 2004-12-20 | 2008-11-20 | Michael Stephen Fiske | System with access keys |
GB0428049D0 (en) * | 2004-12-22 | 2005-01-26 | Carnall Murat | Improvements to call management in a telecommunications system |
DE112005003281B4 (en) | 2004-12-30 | 2012-02-16 | Topaz Systems Inc. | Electronic signature security system |
US7936869B2 (en) * | 2005-01-07 | 2011-05-03 | First Data Corporation | Verifying digital signature based on shared knowledge |
US7869593B2 (en) | 2005-01-07 | 2011-01-11 | First Data Corporation | Software for providing based on shared knowledge public keys having same private key |
US20060156013A1 (en) * | 2005-01-07 | 2006-07-13 | Beeson Curtis L | Digital signature software using ephemeral private key and system |
US7593527B2 (en) * | 2005-01-07 | 2009-09-22 | First Data Corporation | Providing digital signature and public key based on shared knowledge |
US20060153369A1 (en) * | 2005-01-07 | 2006-07-13 | Beeson Curtis L | Providing cryptographic key based on user input data |
US20060153364A1 (en) * | 2005-01-07 | 2006-07-13 | Beeson Curtis L | Asymmetric key cryptosystem based on shared knowledge |
US7693277B2 (en) * | 2005-01-07 | 2010-04-06 | First Data Corporation | Generating digital signatures using ephemeral cryptographic key |
US20060153370A1 (en) * | 2005-01-07 | 2006-07-13 | Beeson Curtis L | Generating public-private key pair based on user input data |
US7490239B2 (en) * | 2005-01-07 | 2009-02-10 | First Data Corporation | Facilitating digital signature based on ephemeral private key |
US7940179B2 (en) * | 2005-01-12 | 2011-05-10 | British Telecommunications Public Limited Company | Radio frequency identification tag security systems |
US8312263B2 (en) * | 2005-01-25 | 2012-11-13 | Cisco Technology, Inc. | System and method for installing trust anchors in an endpoint |
US8943310B2 (en) * | 2005-01-25 | 2015-01-27 | Cisco Technology, Inc. | System and method for obtaining a digital certificate for an endpoint |
DE102005009852B3 (en) * | 2005-03-03 | 2006-06-29 | Siemens Ag | Device for receiving and managing medical graphic data has one or more computer devices whereby at least one personal computer and image requesting activity of personal computer and loading time form outgoing network traffic at server |
US8438645B2 (en) | 2005-04-27 | 2013-05-07 | Microsoft Corporation | Secure clock with grace periods |
US8725646B2 (en) | 2005-04-15 | 2014-05-13 | Microsoft Corporation | Output protection levels |
US9436804B2 (en) | 2005-04-22 | 2016-09-06 | Microsoft Technology Licensing, Llc | Establishing a unique session key using a hardware functionality scan |
US9363481B2 (en) | 2005-04-22 | 2016-06-07 | Microsoft Technology Licensing, Llc | Protected media pipeline |
US8175277B2 (en) * | 2005-04-28 | 2012-05-08 | Cisco Technology, Inc. | Intercepting a communication session in a telecommunication network |
US20060265758A1 (en) | 2005-05-20 | 2006-11-23 | Microsoft Corporation | Extensible media rights |
JP4121134B2 (en) * | 2005-05-31 | 2008-07-23 | インターナショナル・ビジネス・マシーンズ・コーポレーション | Program, classification method and system |
US8353046B2 (en) | 2005-06-08 | 2013-01-08 | Microsoft Corporation | System and method for delivery of a modular operating system |
US8028329B2 (en) * | 2005-06-13 | 2011-09-27 | Iamsecureonline, Inc. | Proxy authentication network |
US8295492B2 (en) * | 2005-06-27 | 2012-10-23 | Wells Fargo Bank, N.A. | Automated key management system |
US7836306B2 (en) * | 2005-06-29 | 2010-11-16 | Microsoft Corporation | Establishing secure mutual trust using an insecure password |
US7596225B2 (en) * | 2005-06-30 | 2009-09-29 | Alcatl-Lucent Usa Inc. | Method for refreshing a pairwise master key |
US7822820B2 (en) * | 2005-07-01 | 2010-10-26 | 0733660 B.C. Ltd. | Secure electronic mail system with configurable cryptographic engine |
US10021062B2 (en) * | 2005-07-01 | 2018-07-10 | Cirius Messaging Inc. | Secure electronic mail system |
US8438115B2 (en) * | 2005-09-23 | 2013-05-07 | Pitney Bowes Inc. | Method of securing postage data records in a postage printing device |
US8340289B2 (en) | 2005-09-29 | 2012-12-25 | Research In Motion Limited | System and method for providing an indication of randomness quality of random number data generated by a random data service |
US7885412B2 (en) * | 2005-09-29 | 2011-02-08 | International Business Machines Corporation | Pre-generation of generic session keys for use in communicating within communications environments |
US8874477B2 (en) | 2005-10-04 | 2014-10-28 | Steven Mark Hoffberg | Multifactorial optimization system and method |
WO2007047580A2 (en) * | 2005-10-18 | 2007-04-26 | Page2Cell, Inc. | System and method for providing a public number-private number telephony system |
US8260908B2 (en) * | 2005-11-16 | 2012-09-04 | Cisco Technologies, Inc. | Techniques for sequencing system log messages |
CA2629015A1 (en) | 2005-11-18 | 2008-05-08 | Rick L. Orsini | Secure data parser method and system |
US20070255951A1 (en) * | 2005-11-21 | 2007-11-01 | Amiram Grynberg | Token Based Multi-protocol Authentication System and Methods |
KR100652017B1 (en) * | 2005-12-08 | 2006-12-01 | 한국전자통신연구원 | Method for security of docsis cable modem against physical security attacks |
US8989390B2 (en) * | 2005-12-12 | 2015-03-24 | Qualcomm Incorporated | Certify and split system and method for replacing cryptographic keys |
US8230487B2 (en) * | 2005-12-21 | 2012-07-24 | International Business Machines Corporation | Method and system for controlling access to a secondary system |
JP2007172294A (en) * | 2005-12-22 | 2007-07-05 | Hitachi Ltd | Information processor with user authentication function |
US7499552B2 (en) * | 2006-01-11 | 2009-03-03 | International Business Machines Corporation | Cipher method and system for verifying a decryption of an encrypted user data key |
CN101379527A (en) * | 2006-01-30 | 2009-03-04 | 皇家飞利浦电子股份有限公司 | Search for a watermark in a data signal |
US20070179903A1 (en) * | 2006-01-30 | 2007-08-02 | Microsoft Corporation | Identity theft mitigation |
US20070223685A1 (en) * | 2006-02-06 | 2007-09-27 | David Boubion | Secure system and method of providing same |
DE102006012311A1 (en) * | 2006-03-17 | 2007-09-20 | Deutsche Telekom Ag | Digital data set pseudonymising method, involves pseudonymising data sets by T-identity protector (IP) client, and identifying processed datasets with source-identification (ID), where source-ID refers to source data in source system |
US9860055B2 (en) * | 2006-03-22 | 2018-01-02 | Synopsys, Inc. | Flexible architecture for processing of large numbers and method therefor |
US20070255823A1 (en) * | 2006-05-01 | 2007-11-01 | International Business Machines Corporation | Method for low-overhead message tracking in a distributed messaging system |
WO2007130554A2 (en) | 2006-05-02 | 2007-11-15 | Broadon Communications Corp. | Content management system and method |
US7703673B2 (en) | 2006-05-25 | 2010-04-27 | Buchheit Brian K | Web based conversion of non-negotiable credits associated with an entity to entity independent negotiable funds |
US9704174B1 (en) | 2006-05-25 | 2017-07-11 | Sean I. Mcghie | Conversion of loyalty program points to commerce partner points per terms of a mutual agreement |
US8684265B1 (en) | 2006-05-25 | 2014-04-01 | Sean I. Mcghie | Rewards program website permitting conversion/transfer of non-negotiable credits to entity independent funds |
US10062062B1 (en) | 2006-05-25 | 2018-08-28 | Jbshbm, Llc | Automated teller machine (ATM) providing money for loyalty points |
US8668146B1 (en) | 2006-05-25 | 2014-03-11 | Sean I. Mcghie | Rewards program with payment artifact permitting conversion/transfer of non-negotiable credits to entity independent funds |
CA2653817C (en) | 2006-06-01 | 2012-10-16 | Google Inc. | Modular computing environments |
WO2007142656A2 (en) * | 2006-06-01 | 2007-12-13 | Exaflop Llc | Data center uninterruptible power distribution architecture |
CN101502192B (en) * | 2006-06-01 | 2012-06-20 | 埃克弗洛普公司 | Controlled warm air capture |
US8006298B1 (en) | 2006-07-11 | 2011-08-23 | Sprint Communications Company L.P. | Fraud detection system and method |
US20080271001A1 (en) * | 2006-09-11 | 2008-10-30 | Yo Nonomura | Method of generating program, information processing device and microcomputer |
US7870379B2 (en) * | 2006-10-10 | 2011-01-11 | Exaflop Llc | Updating a power supply microcontroller |
CN101595442B (en) * | 2006-10-10 | 2012-06-20 | 埃克弗洛普公司 | Updating a power supply microcontroller |
US7624276B2 (en) | 2006-10-16 | 2009-11-24 | Broadon Communications Corp. | Secure device authentication system and method |
US8200960B2 (en) * | 2006-10-20 | 2012-06-12 | Oracle America, Inc. | Tracking of resource utilization during cryptographic transformations |
JP4304300B2 (en) * | 2006-11-01 | 2009-07-29 | 日本電気株式会社 | User device, server, upgrade service system, method and program thereof |
WO2008053471A1 (en) | 2006-11-02 | 2008-05-08 | Nds Limited | Privacy-aware content protection system |
CA2668676C (en) * | 2006-11-07 | 2016-01-05 | Security First Corp. | Systems and methods for distributing and securing data |
US9141819B2 (en) * | 2006-11-08 | 2015-09-22 | International Business Machines Corporation | Encrypted tape access control via challenge-response protocol |
US7578346B2 (en) * | 2006-11-08 | 2009-08-25 | Schlumberger Technology Corporation | Method of plugging fractured formation |
US7613915B2 (en) * | 2006-11-09 | 2009-11-03 | BroadOn Communications Corp | Method for programming on-chip non-volatile memory in a secure processor, and a device so programmed |
US8116456B2 (en) * | 2006-11-28 | 2012-02-14 | Oracle International Corporation | Techniques for managing heterogeneous key stores |
GB2446199A (en) | 2006-12-01 | 2008-08-06 | David Irvine | Secure, decentralised and anonymous peer-to-peer network |
AU2007328025B2 (en) | 2006-12-05 | 2012-08-09 | Don Martin | Improved tape backup method |
US8135135B2 (en) * | 2006-12-08 | 2012-03-13 | Microsoft Corporation | Secure data protection during disasters |
US8015039B2 (en) * | 2006-12-14 | 2011-09-06 | Sap Ag | Enterprise verification and certification framework |
US9355273B2 (en) * | 2006-12-18 | 2016-05-31 | Bank Of America, N.A., As Collateral Agent | System and method for the protection and de-identification of health care data |
FR2912841B1 (en) * | 2007-02-15 | 2009-05-22 | Soitec Silicon On Insulator | METHOD OF POLISHING HETEROSTRUCTURES |
KR101273465B1 (en) * | 2007-03-16 | 2013-06-14 | 재단법인서울대학교산학협력재단 | Apparatus for batch verification and method using the same |
WO2008116060A1 (en) * | 2007-03-20 | 2008-09-25 | Dmvich Software, Llc | Secure electronic messaging system requiring key retrieval for deriving decryption key |
JP2008270870A (en) * | 2007-04-16 | 2008-11-06 | Sony Corp | Communications system, communications apparatus and method, and computer program |
US10339227B1 (en) | 2007-06-08 | 2019-07-02 | Google Llc | Data center design |
SE532600C2 (en) * | 2007-06-29 | 2010-03-02 | Oniteo Ab | Method and system for secure provisioning of hardware |
JP5138775B2 (en) * | 2007-07-17 | 2013-02-06 | サーティコム コーポレーション | Method and system for generating implicit credentials and applications for ID-based encryption (IBE) |
US8080900B2 (en) * | 2007-07-18 | 2011-12-20 | Exaflop Llc | Direct-coupled IT load |
JP5351158B2 (en) | 2007-07-23 | 2013-11-27 | インタートラスト テクノロジーズ コーポレイション | Tethered device system and method |
DE602007012538D1 (en) * | 2007-07-27 | 2011-03-31 | Ntt Docomo Inc | Method and apparatus for performing delegated transactions |
JP2009064055A (en) * | 2007-09-04 | 2009-03-26 | Hitachi Ltd | Computer system and security management method |
AU2008299852B2 (en) | 2007-09-14 | 2014-04-03 | Security First Corp. | Systems and methods for managing cryptographic keys |
US8341410B2 (en) * | 2007-10-08 | 2012-12-25 | Microsoft Corporation | Efficient certified email protocol |
EP2204033B1 (en) * | 2007-10-15 | 2011-08-17 | Penango, Inc. | Method and system for encouraging secure communications |
EP2201737A2 (en) * | 2007-10-20 | 2010-06-30 | Penango, Inc. | Methods and systems for indicating trustworthiness of secure communications |
JP5139028B2 (en) * | 2007-10-24 | 2013-02-06 | エイチジーエスティーネザーランドビーブイ | Content data management system and method |
US20090113328A1 (en) * | 2007-10-30 | 2009-04-30 | Penango, Inc. | Multidimensional Multistate User Interface Element |
JP5125426B2 (en) * | 2007-11-06 | 2013-01-23 | 沖電気工業株式会社 | Transaction apparatus and password processing method in transaction apparatus |
CN101197674B (en) * | 2007-12-10 | 2010-10-27 | 华为技术有限公司 | Encrypted communication method, server and encrypted communication system |
US20100027790A1 (en) * | 2007-12-20 | 2010-02-04 | Balaji Vembu | Methods for authenticating a hardware device and providing a secure channel to deliver data |
KR20100133953A (en) | 2007-12-21 | 2010-12-22 | 코쿤 데이터 홀딩스 리미티드 | System and method for securing data |
EP2077514A1 (en) * | 2007-12-28 | 2009-07-08 | British Telecmmunications public limited campany | Radio frequency identification devices and processes therefor |
US9124565B2 (en) * | 2007-12-28 | 2015-09-01 | British Telecommunications Public Limited Company | Radio frequency identification devices and reader systems |
US9137015B2 (en) * | 2008-01-04 | 2015-09-15 | Arcsoft, Inc. | Protection scheme for AACS keys |
BRPI0906863A8 (en) | 2008-01-07 | 2018-10-30 | Security First Corp | systems and methods for data protection using multifactor keyed dispersion |
CA2716335A1 (en) | 2008-02-22 | 2009-08-27 | Stephen C. Bono | Systems and methods for secure workgroup management and communication |
US20090257593A1 (en) * | 2008-04-10 | 2009-10-15 | Comverse Ltd. | Method and apparatus for secure messaging |
JP2009278223A (en) * | 2008-05-13 | 2009-11-26 | Panasonic Corp | Electronic certification system and secret communication system |
US8074023B2 (en) * | 2008-05-22 | 2011-12-06 | Nuvoton Technology Corporation | In-system programming to switch memory access from one area to another in memory cards |
US8170216B2 (en) * | 2008-06-18 | 2012-05-01 | Apple Inc. | Techniques for validating and sharing secrets |
US8943551B2 (en) | 2008-08-14 | 2015-01-27 | Microsoft Corporation | Cloud-based device information storage |
US8099761B2 (en) * | 2008-08-14 | 2012-01-17 | Microsoft Corporation | Protocol for device to station association |
US8769612B2 (en) * | 2008-08-14 | 2014-07-01 | Microsoft Corporation | Portable device association |
TWI406175B (en) * | 2008-08-20 | 2013-08-21 | Nuvoton Technology Corp | Memory card and method for memory card |
US20100114607A1 (en) * | 2008-11-04 | 2010-05-06 | Sdi Health Llc | Method and system for providing reports and segmentation of physician activities |
US20100121928A1 (en) | 2008-11-07 | 2010-05-13 | Penango, Inc. | Methods and systems for allocating and indicating trustworthiness of secure communications |
US8370640B2 (en) | 2008-12-01 | 2013-02-05 | Research In Motion Limited | Simplified multi-factor authentication |
US8499154B2 (en) * | 2009-01-27 | 2013-07-30 | GM Global Technology Operations LLC | System and method for establishing a secure connection with a mobile device |
US8374930B2 (en) * | 2009-02-02 | 2013-02-12 | Trustifi Corporation | Certified email system and method |
US9141758B2 (en) * | 2009-02-20 | 2015-09-22 | Ims Health Incorporated | System and method for encrypting provider identifiers on medical service claim transactions |
EP2228942B1 (en) * | 2009-03-13 | 2012-06-06 | Sap Ag | Securing communications sent by a first user to a second user |
CN104079573A (en) | 2009-05-19 | 2014-10-01 | 安全第一公司 | Systems and methods for securing data in the cloud |
US8178997B2 (en) | 2009-06-15 | 2012-05-15 | Google Inc. | Supplying grid ancillary services using controllable loads |
US8341023B2 (en) * | 2009-06-17 | 2012-12-25 | Trustifi Corporation | Certified email system and method |
US9608826B2 (en) * | 2009-06-29 | 2017-03-28 | Jpmorgan Chase Bank, N.A. | System and method for partner key management |
US8380591B1 (en) * | 2009-07-10 | 2013-02-19 | United Services Automobile Association (Usaa) | System and method for providing warning and protection for bill payments |
US8195819B1 (en) | 2009-07-13 | 2012-06-05 | Sprint Communications Company L.P. | Application single sign on leveraging virtual local area network identifier |
US10177934B1 (en) | 2009-09-04 | 2019-01-08 | Amazon Technologies, Inc. | Firmware updates inaccessible to guests |
US8887144B1 (en) | 2009-09-04 | 2014-11-11 | Amazon Technologies, Inc. | Firmware updates during limited time period |
US9565207B1 (en) | 2009-09-04 | 2017-02-07 | Amazon Technologies, Inc. | Firmware updates from an external channel |
US8214653B1 (en) | 2009-09-04 | 2012-07-03 | Amazon Technologies, Inc. | Secured firmware updates |
US8971538B1 (en) | 2009-09-08 | 2015-03-03 | Amazon Technologies, Inc. | Firmware validation from an external channel |
US8102881B1 (en) | 2009-09-08 | 2012-01-24 | Amazon Technologies, Inc. | Streamlined guest networking in a virtualized environment |
US8601170B1 (en) | 2009-09-08 | 2013-12-03 | Amazon Technologies, Inc. | Managing firmware update attempts |
US8959611B1 (en) | 2009-09-09 | 2015-02-17 | Amazon Technologies, Inc. | Secure packet management for bare metal access |
US8300641B1 (en) | 2009-09-09 | 2012-10-30 | Amazon Technologies, Inc. | Leveraging physical network interface functionality for packet processing |
US8640220B1 (en) | 2009-09-09 | 2014-01-28 | Amazon Technologies, Inc. | Co-operative secure packet management |
US8381264B1 (en) | 2009-09-10 | 2013-02-19 | Amazon Technologies, Inc. | Managing hardware reboot and reset in shared environments |
WO2011030352A2 (en) * | 2009-09-11 | 2011-03-17 | 3I Infotech Consumer Services Ltd. | System and method for mobile phone resident digital signing and encryption/decryption of sms |
JP5650238B2 (en) * | 2009-11-25 | 2015-01-07 | セキュリティー ファースト コープ. | System and method for securing data in motion |
WO2011068996A1 (en) | 2009-12-04 | 2011-06-09 | Cryptography Research, Inc. | Verifiable, leak-resistant encryption and decryption |
US8917840B2 (en) * | 2009-12-14 | 2014-12-23 | International Business Machines Corporation | Enhanced privacy caller identification system |
US9922063B2 (en) * | 2009-12-29 | 2018-03-20 | International Business Machines Corporation | Secure storage of secret data in a dispersed storage network |
CA2795206C (en) | 2010-03-31 | 2014-12-23 | Rick L. Orsini | Systems and methods for securing data in motion |
US8300831B2 (en) * | 2010-04-26 | 2012-10-30 | International Business Machines Corporation | Redundant key server encryption environment |
US8443429B1 (en) | 2010-05-24 | 2013-05-14 | Sprint Communications Company L.P. | Integrated sign on |
WO2011150346A2 (en) | 2010-05-28 | 2011-12-01 | Laurich Lawrence A | Accelerator system for use with secure data storage |
US9443071B2 (en) * | 2010-06-18 | 2016-09-13 | At&T Intellectual Property I, L.P. | Proximity based device security |
EP2619939A2 (en) | 2010-09-20 | 2013-07-31 | Rick L. Orsini | Systems and methods for secure data sharing |
JP5669517B2 (en) * | 2010-10-18 | 2015-02-12 | オリンパスイメージング株式会社 | Image data selling system, image data selling method, photographing apparatus, and server apparatus |
US8352749B2 (en) | 2010-12-17 | 2013-01-08 | Google Inc. | Local trusted services manager for a contactless smart card |
US8621168B2 (en) | 2010-12-17 | 2013-12-31 | Google Inc. | Partitioning the namespace of a contactless smart card |
US8807440B1 (en) | 2010-12-17 | 2014-08-19 | Google Inc. | Routing secure element payment requests to an alternate application |
US9619662B1 (en) * | 2011-01-13 | 2017-04-11 | Google Inc. | Virtual network pairs |
US8611544B1 (en) | 2011-01-25 | 2013-12-17 | Adobe Systems Incorporated | Systems and methods for controlling electronic document use |
US9137014B2 (en) * | 2011-01-25 | 2015-09-15 | Adobe Systems Incorporated | Systems and methods for controlling electronic document use |
DE102011001430A1 (en) * | 2011-03-21 | 2012-09-27 | Wincor Nixdorf International Gmbh | Method of operating a cashbox with custom keys |
US20120272051A1 (en) * | 2011-04-22 | 2012-10-25 | International Business Machines Corporation | Security key distribution in a cluster |
US8775533B2 (en) | 2011-05-20 | 2014-07-08 | Microsoft Corporation | Auto connect in peer-to-peer network |
US8806023B2 (en) | 2011-05-20 | 2014-08-12 | Microsoft Corporation | Auto-connect in a peer-to-peer network |
US9565708B2 (en) | 2011-05-20 | 2017-02-07 | Microsoft Technology Licensing, Llc | Auto-connect in a peer-to-peer network |
US8891772B2 (en) | 2011-06-17 | 2014-11-18 | Microsoft Corporation | Cloud key escrow system |
US10333711B2 (en) * | 2011-06-17 | 2019-06-25 | Microsoft Technology Licensing, Llc | Controlling access to protected objects |
US8627508B2 (en) | 2011-06-17 | 2014-01-07 | Microsoft Corporation | Cloud key directory for federating data exchanges |
EP2541458B1 (en) * | 2011-06-27 | 2017-10-04 | Nxp B.V. | Resource management system and corresponding method |
US8548172B2 (en) * | 2011-07-08 | 2013-10-01 | Sap Ag | Secure dissemination of events in a publish/subscribe network |
US8914635B2 (en) * | 2011-07-25 | 2014-12-16 | Grey Heron Technologies, Llc | Method and system for establishing secure communications using composite key cryptography |
US8661527B2 (en) | 2011-08-31 | 2014-02-25 | Kabushiki Kaisha Toshiba | Authenticator, authenticatee and authentication method |
US8255687B1 (en) | 2011-09-15 | 2012-08-28 | Google Inc. | Enabling users to select between secure service providers using a key escrow service |
US8171525B1 (en) | 2011-09-15 | 2012-05-01 | Google Inc. | Enabling users to select between secure service providers using a central trusted service manager |
US8313036B1 (en) | 2011-09-16 | 2012-11-20 | Google Inc. | Secure application directory |
US8193662B1 (en) | 2011-10-17 | 2012-06-05 | Google Inc. | Power supply source blending and smoothing |
US9754253B1 (en) * | 2011-11-28 | 2017-09-05 | Amazon Technologies, Inc. | Conditioned use of certificates |
CN103188219A (en) * | 2011-12-28 | 2013-07-03 | 北大方正集团有限公司 | Method, equipment and system for digital right management |
US9009500B1 (en) | 2012-01-18 | 2015-04-14 | Google Inc. | Method of correlating power in a data center by fitting a function to a plurality of pairs of actual power draw values and estimated power draw values determined from monitored CPU utilization of a statistical sample of computers in the data center |
US10484355B1 (en) | 2017-03-08 | 2019-11-19 | Amazon Technologies, Inc. | Detecting digital certificate expiration through request processing |
US8385553B1 (en) * | 2012-02-28 | 2013-02-26 | Google Inc. | Portable secure element |
US9065642B2 (en) | 2012-03-07 | 2015-06-23 | Certicom Corp. | Intercepting key sessions |
US8627097B2 (en) | 2012-03-27 | 2014-01-07 | Igt | System and method enabling parallel processing of hash functions using authentication checkpoint hashes |
US8843739B2 (en) * | 2012-04-04 | 2014-09-23 | Lockheed Martin Corporation | Anti-tamper device, system, method, and computer-readable medium |
US8429409B1 (en) | 2012-04-06 | 2013-04-23 | Google Inc. | Secure reset of personal and service provider information on mobile devices |
CN102664893B (en) * | 2012-04-23 | 2015-06-24 | 重庆理工大学 | Adaptive retransmission and signature segmented embedding data transmission method |
US8832443B2 (en) * | 2012-05-31 | 2014-09-09 | Daon Holdings Limited | Methods and systems for increasing the security of private keys |
US9032250B1 (en) | 2012-11-05 | 2015-05-12 | Google Inc. | Online testing of secondary power unit |
KR101442504B1 (en) | 2012-12-28 | 2014-09-23 | 사단법인 금융보안연구원 | Non-repudiation System |
US9485096B2 (en) * | 2013-02-06 | 2016-11-01 | Apurva Shrivastava | Encryption / decryption of data with non-persistent, non-shared passkey |
AU2014216207A1 (en) | 2013-02-13 | 2015-09-10 | Security First Corp. | Systems and methods for a cryptographic file system layer |
US20140237258A1 (en) * | 2013-02-20 | 2014-08-21 | Kabushiki Kaisha Toshiba | Device and authentication method therefor |
US9780950B1 (en) * | 2013-03-15 | 2017-10-03 | Symantec Corporation | Authentication of PKI credential by use of a one time password and pin |
US9059987B1 (en) | 2013-04-04 | 2015-06-16 | Sprint Communications Company L.P. | Methods and systems of using single sign-on for identification for a web server not integrated with an enterprise network |
ES2523423B1 (en) | 2013-04-10 | 2015-11-24 | Crypto Solutions, S.L. | SYMMETRIC ENCRYPTION DEVICE AND EMPLOYED PROCEDURE |
US9032106B2 (en) | 2013-05-29 | 2015-05-12 | Microsoft Technology Licensing, Llc | Synchronizing device association data among computing devices |
US10181124B2 (en) * | 2013-05-30 | 2019-01-15 | Dell Products, L.P. | Verifying OEM components within an information handling system using original equipment manufacturer (OEM) identifier |
JP6151140B2 (en) * | 2013-09-13 | 2017-06-21 | 株式会社日立製作所 | Information encryption / decryption method, information providing system, and program |
US9817953B2 (en) | 2013-09-26 | 2017-11-14 | Rubicon Labs, Inc. | Systems and methods for establishing and using distributed key servers |
US9874414B1 (en) | 2013-12-06 | 2018-01-23 | Google Llc | Thermal control system |
GB2522032A (en) | 2014-01-10 | 2015-07-15 | Ibm | Controlling the configuration of computer systems |
US8978153B1 (en) | 2014-08-01 | 2015-03-10 | Datalogix, Inc. | Apparatus and method for data matching and anonymization |
CN105578461B (en) * | 2014-11-10 | 2019-08-02 | 阿里巴巴集团控股有限公司 | Communication, communication access/call-out method, apparatus and system are established between mobile terminal |
WO2016081942A2 (en) | 2014-11-21 | 2016-05-26 | Security First Corp. | Gateway for cloud-based secure storage |
US10453058B2 (en) | 2014-12-17 | 2019-10-22 | Heartland Payment Systems, Inc. | E-signature |
US9374370B1 (en) | 2015-01-23 | 2016-06-21 | Island Intellectual Property, Llc | Invariant biohash security system and method |
US10057067B2 (en) * | 2015-05-27 | 2018-08-21 | International Business Machines Corporation | Automatic root key rollover during digital signature verification |
CN106549919B (en) * | 2015-09-21 | 2021-01-22 | 创新先进技术有限公司 | Information registration and authentication method and device |
US10567357B2 (en) * | 2015-10-02 | 2020-02-18 | Zixcorp Systems, Inc. | Secure transmission system with upgraded encryption strength |
WO2017083985A1 (en) | 2015-11-20 | 2017-05-26 | Genetec Inc. | Media streaming |
CA3014929A1 (en) * | 2016-03-15 | 2017-09-21 | Visa International Service Association | Validation cryptogram for interaction |
US10129025B2 (en) * | 2016-09-19 | 2018-11-13 | Red Hat, Inc. | Binding data to a network in the presence of an entity with revocation capabilities |
CN110383281A (en) * | 2017-01-04 | 2019-10-25 | 格哈德·施瓦茨 | Asymmetric system and network architecture |
US10615987B2 (en) | 2017-03-08 | 2020-04-07 | Amazon Technologies, Inc. | Digital certificate usage monitoring systems |
US10516542B2 (en) * | 2017-03-08 | 2019-12-24 | Amazon Technologies, Inc. | Digital certificate issuance and monitoring |
US10990707B1 (en) | 2017-03-30 | 2021-04-27 | Comodo Security Solutions, Inc. | Device for safe data signing |
US10938560B2 (en) | 2017-06-21 | 2021-03-02 | Microsoft Technology Licensing, Llc | Authorization key escrow |
US10558812B2 (en) | 2017-06-21 | 2020-02-11 | Microsoft Technology Licensing, Llc | Mutual authentication with integrity attestation |
US10440006B2 (en) | 2017-06-21 | 2019-10-08 | Microsoft Technology Licensing, Llc | Device with embedded certificate authority |
US11082412B2 (en) | 2017-07-12 | 2021-08-03 | Wickr Inc. | Sending secure communications using a local ephemeral key pool |
US11316666B2 (en) | 2017-07-12 | 2022-04-26 | Amazon Technologies, Inc. | Generating ephemeral key pools for sending and receiving secure communications |
US10715504B2 (en) * | 2017-07-12 | 2020-07-14 | Wickr Inc. | Provisioning ephemeral key pools for sending and receiving secure communications |
CN113765657B (en) | 2017-08-28 | 2023-10-24 | 创新先进技术有限公司 | Key data processing method, device and server |
US11349659B2 (en) * | 2017-08-29 | 2022-05-31 | Amazon Technologies, Inc. | Transmitting an encrypted communication to a user in a second secure communication network |
US11368442B2 (en) * | 2017-08-29 | 2022-06-21 | Amazon Technologies, Inc. | Receiving an encrypted communication from a user in a second secure communication network |
US10791196B2 (en) | 2017-08-29 | 2020-09-29 | Wickr Inc. | Directory lookup for federated messaging with a user from a different secure communication network |
US11095662B2 (en) | 2017-08-29 | 2021-08-17 | Amazon Technologies, Inc. | Federated messaging |
US10546276B2 (en) * | 2017-09-13 | 2020-01-28 | Microsoft Technology Licensing, Llc | Cyber ownership transfer |
US11374760B2 (en) | 2017-09-13 | 2022-06-28 | Microsoft Technology Licensing, Llc | Cyber physical key |
US10693662B2 (en) * | 2018-02-22 | 2020-06-23 | Idlogiq Inc. | Methods for secure serialization of supply chain product units |
US20190288833A1 (en) * | 2018-03-16 | 2019-09-19 | Walmart Apollo, Llc | System and Method for Securing Private Keys Behind a Biometric Authentication Gateway |
US11854007B2 (en) * | 2018-04-16 | 2023-12-26 | Visa International Service Association | Method and system for pre-authorizing a delivery transaction |
US10867046B2 (en) * | 2018-08-08 | 2020-12-15 | Quanta Computer Inc. | Methods and apparatus for authenticating a firmware settings input file |
CN109598489A (en) * | 2018-11-09 | 2019-04-09 | 海南新软软件有限公司 | A kind of method, apparatus and system of the storage of digital wallet mnemonic word |
CN109547212B (en) * | 2018-12-04 | 2021-06-18 | 中国电子科技集团公司第三十研究所 | Threshold signature method based on SM2 signature algorithm |
WO2020123959A1 (en) * | 2018-12-14 | 2020-06-18 | Iot And M2M Technologies, Llc | Secure ids certificate verification for a primary platform |
EP3671663A1 (en) * | 2018-12-20 | 2020-06-24 | Assa Abloy AB | Co-signing delegations |
US11477086B2 (en) * | 2019-05-08 | 2022-10-18 | Schlumberger Technology Corporation | Methods and systems for provisioning and commissioning an industrial gateway |
US11233658B2 (en) * | 2019-08-14 | 2022-01-25 | OX Labs Inc. | Digital transaction signing for multiple client devices using secured encrypted private keys |
CN110765438B (en) * | 2019-10-24 | 2021-01-01 | 江苏云涌电子科技股份有限公司 | High-performance password card and working method thereof |
US11671265B2 (en) | 2019-10-25 | 2023-06-06 | John A. Nix | Secure configuration of a secondary platform bundle within a primary platform |
US11216433B2 (en) * | 2019-12-12 | 2022-01-04 | Google Llc | Encrypted search with no zero-day leakage |
US11438152B2 (en) * | 2020-01-31 | 2022-09-06 | Visa International Service Association | Distributed symmetric encryption |
FR3107414A1 (en) * | 2020-02-19 | 2021-08-20 | Orange | Method for calculating a session key, method for recovering such a session key |
JP2022020143A (en) * | 2020-07-20 | 2022-02-01 | 富士通株式会社 | Communication program, communication device and communication method |
EP3951516A1 (en) * | 2020-08-04 | 2022-02-09 | Siemens Aktiengesellschaft | System and method for verifying components of an industrial control system |
US11502830B2 (en) | 2020-10-12 | 2022-11-15 | Kyndryl, Inc. | Ultrasound split key transmission for enhanced security |
CN112463454B (en) * | 2020-12-04 | 2021-11-05 | 北京深思数盾科技股份有限公司 | Data recovery method, server, terminal device and storage medium |
US11372986B1 (en) * | 2021-01-18 | 2022-06-28 | Axiom Technologies LLC | Systems and methods for encrypted content management |
IT202100017405A1 (en) | 2021-07-01 | 2023-01-01 | Telecom Italia Spa | "METHOD AND SYSTEM FOR DECIPRING END-TO-END ENCRYPTED MESSAGES FOR LEGAL INTERCEPTION" |
IL291459A (en) * | 2022-03-17 | 2023-10-01 | Kazuar Advanced Tech Ltd | Key management system |
CN114785527B (en) * | 2022-06-17 | 2022-09-16 | 深圳市深圳通有限公司 | Data transmission method, device, equipment and storage medium |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0386867A2 (en) * | 1989-03-07 | 1990-09-12 | Addison M. Fischer | Improved public key/signature cryptosystem with enhanced digital signature certification |
DE3922642A1 (en) * | 1989-07-10 | 1991-01-24 | Ant Nachrichtentech | Transmitting crypto-coded data between two subscribers - involves public code of exchange and exclusive code for each subscriber |
EP0534419A2 (en) * | 1991-09-27 | 1993-03-31 | International Business Machines Corporation | Public key cryptosystem key management based on control vectors |
US5276737A (en) * | 1992-04-20 | 1994-01-04 | Silvio Micali | Fair cryptosystems and methods of use |
Family Cites Families (35)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4200770A (en) * | 1977-09-06 | 1980-04-29 | Stanford University | Cryptographic apparatus and method |
US4218582A (en) * | 1977-10-06 | 1980-08-19 | The Board Of Trustees Of The Leland Stanford Junior University | Public key cryptographic apparatus and method |
US4405829A (en) * | 1977-12-14 | 1983-09-20 | Massachusetts Institute Of Technology | Cryptographic communications system and method |
US4558176A (en) * | 1982-09-20 | 1985-12-10 | Arnold Mark G | Computer systems to inhibit unauthorized copying, unauthorized usage, and automated cracking of protected software |
US4748620A (en) * | 1986-02-28 | 1988-05-31 | American Telephone And Telegraph Company, At&T Bell Laboratories | Time stamp and packet virtual sequence numbering for reconstructing information signals from packets |
US4771461A (en) * | 1986-06-27 | 1988-09-13 | International Business Machines Corporation | Initialization of cryptographic variables in an EFT/POS network with a large number of terminals |
JPS63317862A (en) * | 1987-06-12 | 1988-12-26 | エイ・ティ・アンド・ティ グローバル インフォメーション ソルーションズ インターナショナル インコーポレイテッド | Operation control of safe module |
US4868877A (en) * | 1988-02-12 | 1989-09-19 | Fischer Addison M | Public key/signature cryptosystem with enhanced digital signature certification |
US5214702A (en) * | 1988-02-12 | 1993-05-25 | Fischer Addison M | Public key/signature cryptosystem with enhanced digital signature certification |
US4888801A (en) * | 1988-05-02 | 1989-12-19 | Motorola, Inc. | Hierarchical key management system |
EP0383985A1 (en) * | 1989-02-24 | 1990-08-29 | Claus Peter Prof. Dr. Schnorr | Method for subscriber identification and for generation and verification of electronic signatures in a data exchange system |
US5175765A (en) * | 1989-05-09 | 1992-12-29 | Digital Equipment Corporation | Robust data broadcast over a distributed network with malicious failures |
US5136643A (en) * | 1989-10-13 | 1992-08-04 | Fischer Addison M | Public/key date-time notary facility |
US5001752A (en) * | 1989-10-13 | 1991-03-19 | Fischer Addison M | Public/key date-time notary facility |
JP2874916B2 (en) * | 1989-11-21 | 1999-03-24 | 株式会社東芝 | Portable encryption key storage device |
FR2662007B1 (en) * | 1990-05-10 | 1992-07-10 | Bull Sa | PROCESS FOR OBTAINING A SECURE CLEAR ATTESTATION IN A DISTRIBUTED COMPUTER SYSTEM ENVIRONMENT. |
US5070528A (en) * | 1990-06-29 | 1991-12-03 | Digital Equipment Corporation | Generic encryption technique for communication networks |
ATE119726T1 (en) * | 1990-10-24 | 1995-03-15 | Omnisec Ag | SECRET TRANSMISSION SYSTEM WITH THE POSSIBILITY OF ENCRYPTED COMMUNICATION BETWEEN USERS WITH A SECURED KEY, WHICH IS DETERMINED WITHOUT USER INTERVENTION. |
US5073934A (en) * | 1990-10-24 | 1991-12-17 | International Business Machines Corporation | Method and apparatus for controlling the use of a public key, based on the level of import integrity for the key |
US5199070A (en) * | 1990-12-18 | 1993-03-30 | Matsushita Electric Industrial Co., Ltd. | Method for generating a public key |
JP3027988B2 (en) * | 1991-01-31 | 2000-04-04 | 松下電器産業株式会社 | Secret key generation method based on identification information |
US5164988A (en) * | 1991-10-31 | 1992-11-17 | International Business Machines Corporation | Method to establish and enforce a network cryptographic security policy in a public key cryptosystem |
US5222140A (en) * | 1991-11-08 | 1993-06-22 | Bell Communications Research, Inc. | Cryptographic method for key agreement and user authentication |
US5557518A (en) * | 1994-04-28 | 1996-09-17 | Citibank, N.A. | Trusted agents for open electronic commerce |
US5261002A (en) * | 1992-03-13 | 1993-11-09 | Digital Equipment Corporation | Method of issuance and revocation of certificates of authenticity used in public key networks and other systems |
US5313521A (en) * | 1992-04-15 | 1994-05-17 | Fujitsu Limited | Key distribution protocol for file transfer in the local area network |
US5315658B1 (en) * | 1992-04-20 | 1995-09-12 | Silvio Micali | Fair cryptosystems and methods of use |
ATE177857T1 (en) * | 1992-05-15 | 1999-04-15 | Addison M Fischer | METHOD AND DEVICE FOR SECURING A COMPUTER SYSTEM WITH PROGRAM AUTHORIZATION DATA STRUCTURES |
US5396558A (en) * | 1992-09-18 | 1995-03-07 | Nippon Telegraph And Telephone Corporation | Method and apparatus for settlement of accounts by IC cards |
US5349642A (en) * | 1992-11-03 | 1994-09-20 | Novell, Inc. | Method and apparatus for authentication of client server communication |
US5499295A (en) * | 1993-08-31 | 1996-03-12 | Ericsson Inc. | Method and apparatus for feature authorization and software copy protection in RF communications devices |
US5371794A (en) * | 1993-11-02 | 1994-12-06 | Sun Microsystems, Inc. | Method and apparatus for privacy and authentication in wireless networks |
US5787172A (en) * | 1994-02-24 | 1998-07-28 | The Merdan Group, Inc. | Apparatus and method for establishing a cryptographic link between elements of a system |
US5539828A (en) * | 1994-05-31 | 1996-07-23 | Intel Corporation | Apparatus and method for providing secured communications |
US5557346A (en) * | 1994-08-11 | 1996-09-17 | Trusted Information Systems, Inc. | System and method for key escrow encryption |
-
1995
- 1995-01-13 JP JP7519155A patent/JPH09507729A/en not_active Withdrawn
- 1995-01-13 PL PL95315574A patent/PL176458B1/en unknown
- 1995-01-13 EP EP95908511A patent/EP0739560B1/en not_active Expired - Lifetime
- 1995-01-13 BR BR9506414A patent/BR9506414A/en not_active Application Discontinuation
- 1995-01-13 NZ NZ329891A patent/NZ329891A/en unknown
- 1995-01-13 AT AT95908511T patent/ATE202439T1/en not_active IP Right Cessation
- 1995-01-13 PT PT95908511T patent/PT739560E/en unknown
- 1995-01-13 DE DE69521413T patent/DE69521413T2/en not_active Expired - Fee Related
- 1995-01-13 AU AU16803/95A patent/AU1680395A/en not_active Abandoned
- 1995-01-13 CA CA002176032A patent/CA2176032A1/en not_active Abandoned
- 1995-01-13 HU HU9601870A patent/HU216231B/en not_active IP Right Cessation
- 1995-01-13 CN CN95191205A patent/CN1138927A/en active Pending
- 1995-01-13 UA UA96072822A patent/UA41387C2/en unknown
- 1995-01-13 ES ES95908511T patent/ES2158081T3/en not_active Expired - Lifetime
- 1995-01-13 MX MX9602773A patent/MX9602773A/en unknown
- 1995-01-13 NZ NZ279622A patent/NZ279622A/en unknown
- 1995-01-13 DK DK95908511T patent/DK0739560T3/en active
- 1995-01-13 CZ CZ961978A patent/CZ197896A3/en unknown
- 1995-01-13 AP APAP/P/1996/000811A patent/AP626A/en active
- 1995-01-13 WO PCT/US1995/000531 patent/WO1995019672A2/en not_active Application Discontinuation
-
1996
- 1996-05-31 OA OA60829A patent/OA10456A/en unknown
-
1997
- 1997-02-19 US US08/803,176 patent/US5799086A/en not_active Expired - Lifetime
- 1997-02-19 US US08/802,603 patent/US6009177A/en not_active Expired - Lifetime
- 1997-02-19 US US08/803,024 patent/US5850451A/en not_active Expired - Lifetime
- 1997-02-19 US US08/802,584 patent/US5857022A/en not_active Expired - Lifetime
- 1997-02-19 US US08/802,818 patent/US5872849A/en not_active Expired - Lifetime
- 1997-04-11 US US08/840,227 patent/US5841865A/en not_active Expired - Lifetime
-
2001
- 2001-09-18 GR GR20010401508T patent/GR3036650T3/en not_active IP Right Cessation
-
2005
- 2005-08-08 JP JP2005229598A patent/JP2005328574A/en not_active Withdrawn
-
2006
- 2006-06-20 JP JP2006170340A patent/JP2006246543A/en not_active Withdrawn
-
2007
- 2007-08-01 JP JP2007201143A patent/JP2007282295A/en active Pending
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0386867A2 (en) * | 1989-03-07 | 1990-09-12 | Addison M. Fischer | Improved public key/signature cryptosystem with enhanced digital signature certification |
DE3922642A1 (en) * | 1989-07-10 | 1991-01-24 | Ant Nachrichtentech | Transmitting crypto-coded data between two subscribers - involves public code of exchange and exclusive code for each subscriber |
EP0534419A2 (en) * | 1991-09-27 | 1993-03-31 | International Business Machines Corporation | Public key cryptosystem key management based on control vectors |
US5276737A (en) * | 1992-04-20 | 1994-01-04 | Silvio Micali | Fair cryptosystems and methods of use |
US5276737B1 (en) * | 1992-04-20 | 1995-09-12 | Silvio Micali | Fair cryptosystems and methods of use |
Non-Patent Citations (1)
Title |
---|
MICALI: "FAIR PUBLIC-KEY CRYPTOSYSTEMS", ADVANCES IN CRYPTOLOGY-CRYPTO '92, 16 August 1992 (1992-08-16), BERLIN (DE), pages 113 - 138 * |
Also Published As
Similar Documents
Publication | Publication Date | Title |
---|---|---|
WO1995019672A3 (en) | Cryptographic system and method with key escrow feature | |
US6694025B1 (en) | Method and apparatus for secure distribution of public/private key pairs | |
EP0755598B1 (en) | Computer network cryptographic key distribution system | |
US7657037B2 (en) | Apparatus and method for identity-based encryption within a conventional public-key infrastructure | |
US8712046B2 (en) | Cryptographic key split combiner | |
US20030172280A1 (en) | Access control and authorization system | |
US20040062400A1 (en) | Method for sharing the authorization to use specific resources | |
MX9700980A (en) | System and method for key escrow and data escrow encryption. | |
JPH1013401A (en) | Method for establishing secured communication and related ciphering/decoding system | |
EP1501238B1 (en) | Method and system for key distribution comprising a step of authentication and a step of key distribution using a KEK (key encryption key) | |
US20050141718A1 (en) | Method of transmitting and receiving message using encryption/decryption key | |
JPH10154977A (en) | User certification system and method therefor | |
US7360238B2 (en) | Method and system for authentication of a user | |
JPH09294120A (en) | Access control method and system for ciphered shared data | |
EP1185024B1 (en) | System, method, and program for managing a user key used to sign a message for a data processing system | |
JP2001060944A (en) | Cipher communication system | |
JPH11231776A (en) | Method and device for issuing certificate | |
JPH06112935A (en) | Ciphering communication method | |
JP2002063139A (en) | Terminal equipment and server device and terminal authenticating method | |
JPS63176043A (en) | Secret information communicating system | |
JP2002512706A (en) | How users create asymmetric decryption keys | |
JPH0677953A (en) | Mutual certifying/ciphering key distributing system | |
JPH0373633A (en) | Cryptographic communication system | |
Dawson et al. | Another approach to software key escrow encryption | |
JPH0897813A (en) | Method and equipment for communication |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
WWE | Wipo information: entry into national phase |
Ref document number: 95191205.4 Country of ref document: CN |
|
AK | Designated states |
Kind code of ref document: A2 Designated state(s): AM AU BB BG BR BY CA CN CZ FI GE HU JP KG KP KR KZ LK LT LV MD MG MN MX NO NZ PL PT RO RU SI SK TJ TT UA UZ VN |
|
AL | Designated countries for regional patents |
Kind code of ref document: A2 Designated state(s): KE MW SD SZ AT BE CH DE DK ES FR GB GR IE IT LU MC NL PT SE BF BJ CF CG CI CM GA GN ML MR NE SN TD TG |
|
AK | Designated states |
Kind code of ref document: A3 Designated state(s): AM AU BB BG BR BY CA CN CZ FI GE HU JP KG KP KR KZ LK LT LV MD MG MN MX NO NZ PL PT RO RU SI SK TJ TT UA UZ VN |
|
AL | Designated countries for regional patents |
Kind code of ref document: A3 Designated state(s): KE MW SD SZ AT BE CH DE DK ES FR GB GR IE IT LU MC NL PT SE BF BJ CF CG CI CM GA GN ML MR NE SN TD TG |
|
121 | Ep: the epo has been informed by wipo that ep was designated in this application | ||
DFPE | Request for preliminary examination filed prior to expiration of 19th month from priority date (pct application filed before 20040101) | ||
WWE | Wipo information: entry into national phase |
Ref document number: 279622 Country of ref document: NZ |
|
WWE | Wipo information: entry into national phase |
Ref document number: 2176032 Country of ref document: CA |
|
WWE | Wipo information: entry into national phase |
Ref document number: 1995908511 Country of ref document: EP |
|
WWE | Wipo information: entry into national phase |
Ref document number: PV1996-1978 Country of ref document: CZ |
|
WWE | Wipo information: entry into national phase |
Ref document number: 1199690030 Country of ref document: VN |
|
WWP | Wipo information: published in national office |
Ref document number: 1995908511 Country of ref document: EP |
|
WWP | Wipo information: published in national office |
Ref document number: PV1996-1978 Country of ref document: CZ |
|
WWE | Wipo information: entry into national phase |
Ref document number: PV1999-401 Country of ref document: CZ Ref document number: PV1999-400 Country of ref document: CZ |
|
WWR | Wipo information: refused in national office |
Ref document number: PV1999-401 Country of ref document: CZ Ref document number: PV1999-400 Country of ref document: CZ |
|
WWG | Wipo information: grant in national office |
Ref document number: 1995908511 Country of ref document: EP |
|
WWR | Wipo information: refused in national office |
Ref document number: PV1996-1978 Country of ref document: CZ |