Matches 301 - 350 out of 437 < 1 2 3 4 5 6 7 8 9 >
Match Document Document Title
6874087 Integrity checking an executable module and associated protected service provider module  
Method, system and computer program product are provided for monitoring integrity of at least one of an executable module and an associated protected service provider (PSP) module, wherein the PSP...
6874088 Secure remote servicing of a computer system over a computer network  
The remote servicing of a secure computer system employs an intermediate network entity accessible to both a remote service provider and to an agent running on the secure computer system to be...
6865674 Dynamic trust anchor system and method  
An information security network provides a plurality of trusted authorities configurable in a rooted hierarchical structure. At least one of the trusted authorities is a superior authority and at...
6842859 Authentication system, authentication device, authentication data producing device, and authentication method  
Upon receiving an encipherment command, an enciphered authentication data generation circuit generates an enciphered authentication data based on a basic authentication data including a random...
6831982 Encryption key management system using multiple smart cards  
Initially, a key range variable is created by concatenating the card group value, card number and reference number for an encryption key to be generated. A hashing algorithm generates an encryption...
6826686 Method and apparatus for secure password transmission and password changes  
A secure method for changing a password to a new password when the passwords are being transmitted over a network is presented. The present invention does not require the use of any additional keys...
6816900 Updating trusted root certificates on a client computer  
An update process is used to update root certificates in a root certificate store of a client computer, maintaining the integrity of the existing root certificates as well as any new root...
6799272 Remote device authentication system  
Method and system for authenticating a remote device are disclosed by an arrangement in which the remote device and an authentication center each contain an identical key code index, which includes...
6799273 Data processing system and method for mutual identification between apparatuses  
A storage unit in a first mutual identification unit stores master key data and a second storage unit in a second mutual identification unit stores identification key data. A random number...
6789192 Semiconductor memory card, data reading apparatus, and data reading/reproducing apparatus  
A semiconductor memory card comprising a control IC 302 , a flash memory 303 , and a ROM 304 . The ROM 304 holds information such as a medium ID 341 unique to the semiconductor memory card....
6785813 Key agreement and transport protocol with implicit signatures  
A key establishment protocol between a pair of correspondents includes the generation by each correspondent of respective signatures. The signatures are derived from information that is private to...
6782476 Data processing apparatus and authentication method applied to the apparatus  
A CPU module, satellite or digital TV tuner, MPEG2 decoder, and DVD-RAM drives have authenticators for making device authentication, key exchange, and the like. These authenticators hold...
6775773 Protectedly reading out an enciphered, cryptographic key  
Method and apparatuses for protectedly reading out an enciphered, cryptographic key (K sec ) stored in a first memory ( 2 ) of a first communication apparatus ( 8; 8 ′), comprising the following...
6772339 Mix and match: a new approach to secure multiparty computation  
A method for secure multiparty computation is disclosed. In one embodiment, participants to a secure computation agree upon a function to be computed and a representation of the function as a...
6765497 Method for remotely accessing vehicle system information and user information in a vehicle  
A communication system includes a vehicle ( 101 ) and an infrastructure ( 160 ). The vehicle contains vehicle system information ( 104 ) and user information ( 112 ). The infrastructure includes a...
6757825 Secure mutual network authentication protocol  
A password-only mutual network authentication protocol and key exchange protocol using a public key encryption scheme in which a server generates a public key/secret key pair and transmits the...
6754833 Method for generating and distributing telecom and internet revenue  
The present invention is directed to a business model and method for generating and distributing Telecom and Internet revenue between a wireless network operator and an Internet Partner company....
6718467 Password based protocol for secure communications  
A method for a first participant to establish a shared secret with a second participant, where the first participant and the second participant share a password-based first master key and a hash...
6711400 Authentication method  
In telecommunications systems, the traffic can be protected from eavesdropping and the use of a false identity can be prevented by verifying the authenticity of the terminal equipment by means of...
6711263 Secure distribution and protection of encryption key information  
The invention relates to secure distribution of a private key from a distributing unit to a receiving unit, and is based on providing each of the distributing unit and the receiving unit with a...
6708272 Information encryption system and method  
An encryption system permits end-to-end encryption of information over an untrusted interconnection network. The information encryption system includes at least one client for processing...
6684332 Method and system for the exchange of digitally signed objects over an insecure network  
Method and system aspects for authenticated communication of messages among computer systems in an insecure network are described. These aspects include building a first signed object message in a...
6671809 Software-defined communications system execution control  
Software execution control in which a series of two-way rule checks is performed between software-defined communications system component records to ensure and maintain system security and...
6668321 Verification of identity of participant in electronic communication  
Verifying and authenticating the identity of participants in electronic communication. A primary key generated from a master key is stored at a sending device and a recipient device. Based on the...
6658114 Key management method  
A key management method to prevent illegal eavesdropping in a network system. Keys of the network system are divided into several family subkeys and several communication subkeys. A plurality of...
6654885 Method for authorization checking and configuration for carrying out the method  
The system checks whether authorization exists for at least two data processing devices to exchange data with one another. In the preferred embodiment, both data processing devices are of identical...
6647493 Method and system for authentication and electronic signature  
The method for authentication and electronic signature is of the private-key, challenge and response type between a user requesting an authorization, via, for example, a smart card and a...
6647260 Method and system facilitating web based provisioning of two-way mobile communications devices  
A system and method for provisioning a two-way mobile communications device having a display screen and user interface that is initiated from the device to be provisioned. The device to be...
6640303 System and method for encryption using transparent keys  
A method, system, and computer program product are provided for encrypting and decrypting information, such as electronic mail. Each party has a secret, unique, randomly assigned value y. A sender...
6640302 Secure intranet access  
Methods, signals, devices, and systems are provided for secure access to a network from an external client. Requests for access to confidential data may be redirected from a target server to a...
6618810 Bios based method to disable and re-enable computers  
A system, method, and program product for disabling operation of a computer system upon expiration of an authorized period of time, and to re-enable operation of the computer system when an...
6615350 Module authentication and binding library extensions  
An apparatus, system, and method to provide an initial and an on-going authentication mechanism with which two executable entities may unilaterally or bilaterally authenticate the identity, origin,...
6567915 Integrated circuit card with identity authentication table and authorization tables defining access rights based on Boolean expressions of authenticated identities  
This invention concerns an integrated circuit (IC) device, such as smart cards, electronic wallets, PC cards, and the like, and various methods for authenticating identities and authorizing...
6564325 Method of and apparatus for providing multi-level security access to system  
A software system provides security against unauthorized operations initiated by software code supplied by an untrusted source. The allowed operations that are associated with the software code are...
6546487 System and method for protecting use of dynamically linked executable modules  
A computer system has a program module verifier and at least first and second program modules. Each program module includes a digital signature and an executable procedure. The first program module...
6542610 Content protection for digital transmission systems  
A method for protecting digital content from copying and/or other misuse as it is transferred between one or more computationally constrained devices over insecure links, includes preliminarily...
6510517 Method of cryptological authentification in a scanning identification system  
The method of cryptological authentification in a scanning identification system comprising a base station, which supplies energy via the alternating field to a transponder connected to the object...
6510519 Conditional access system  
A cable television system provides conditional access to services. The cable television system includes a headend from which service “instances”, or programs, are broadcast and a plurality of...
6507910 Timer apparatus and computer  
A timer apparatus having a power source, a timer unit for outputting time information to which a time is set via a setting terminal, and a control unit in which a program for permitting set of a...
6505302 Authentication for secure devices with limited cryptography  
Authentication is provided for secure devices with limited cryptography, particularly for devices which do not have the capability to do public-key cryptography and generate random numbers. An...
6496932 Secure session tracking method and system for client-server environment  
A method and system for tracking communications in a client-server environment. The method includes the steps of sending a first request from the client to the server over a first connection,...
6463534 Secure wireless electronic-commerce system with wireless network domain  
A method of conducting transactions in a wireless electronic commerce system, where the system comprises a wireless network operator certification authority ( 400 ) having a root public key...
6442525 System for authenticating physical objects  
A system for authenticating physical objects in which the authentication key cannot be determined by reverse engineering the software or hardware of a controlling microprocessor. Two highly secure...
6434700 Authentication and authorization mechanisms for Fortezza passwords  
A method and apparatus that provide network access control are disclosed. In one embodiment, a network access control apparatus is configured to receive and authenticate a password that uses the...
6421779 Electronic data storage apparatus, system and method  
An electronic data storage apparatus includes a data storage unit for storing electronic data; an authentication information generation unit for generating authentication information used in...
6401204 Process for cryptographic code management between a first computer unit and a second computer unit  
In a method for cryptographic code management between a first computer unit and a second computer unit, the method is divided into individual modular phases. Authentification references that are...
6396928 Digital message encryption and authentication  
A method and system for performing digital message encryption and signature encoding for use in, for example, communications and digital information storage systems, For secure communication of...
6393563 Temporary digital signature method and system  
A digital signature system that employs a temporary digital ID signed by using a private key, so that the digital ID can be used as a proxy for a specific period of time and for a specific purpose....
6363482 Secure broadband communication  
A system for secure broadband communication, including: (a) a server device for transmitting data; and (b) a client device including a broadband modem for receiving data, the broadband modem...
6353888 Access rights authentication apparatus  
A access rights authentication apparatus relieves burdens resulting from handling unique information of a large number of authentication keys and the like of users and protectors such as...
Matches 301 - 350 out of 437 < 1 2 3 4 5 6 7 8 9 >