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5996076 |
System, method and article of manufacture for secure digital certification of electronic commerce
Secure transmission of data is provided between a plurality of computer systems over a public communication system, such as the Internet. Secure transmission of data is provided from a party in...
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5987131 |
Cryptographic key exchange using pre-computation
A public-key method of cryptographic key exchange using modular exponentiation in which memory, for storing pre-computed results, can be flexibly traded off against the computational complexity of...
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5982898 |
Certification process
An improved secure communication arrangement separates the tasks of identity verification and certificate issuing, which allows a disassociating of the long-term binding between Alice and her...
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5970147 |
System and method for configuring and registering a cryptographic device
A system and method for configuring and registering a cryptographic device. The configuration phase involves loading a device serial number (DSER) and a symmetric key (SK) into non-volatile memory...
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5968136 |
Apparatus and method for secure device addressing
A method for securely accessing a peripheral device at an absolute address is disclosed. A computer program is executed to request from an operating system a memory access object including a...
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5923756 |
Method for providing secure remote command execution over an insecure computer network
A method and apparatus is disclosed for enhancing the security of a message sent through a network server from a client computer to a destination server. A secure connection for receiving and...
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5903882 |
Reliance server for electronic transaction system
A method of managing reliance in an electronic transaction system includes a certification authority issuing a primary certificate to a subscriber and forwarding to a reliance server, information...
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5872847 |
Using trusted associations to establish trust in a computer network
A method is disclosed for establishing trusted communications with associations for communications between users on an Internet Protocol based computer network. The method entails the first user...
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5870544 |
Method and apparatus for creating a secure connection between a java applet and a web server
The present invention defines a a method, an apparatus and a computer program product for establishing a secure connection between a Java Applet and a secure web server for protocols other than...
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5864667 |
Method for safe communications
Disclosed is a method for safe distribution of encryption keys including a known public and secret private keys in establishing a secure link between computer users resided at separate location...
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5852665 |
Internationally regulated system for one to one cryptographic communications with national sovereignty without key escrow
This invention discloses an encryption method for generating an encrypted message which is controllably decryptable, the method including providing at least one agency public key to at least one...
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5850442 |
Secure world wide electronic commerce over an open network
A network of users and servers of a type found in the Internet system is extended to permit secure electronic commercial transactions to be accomplished. The network is extended to include a public...
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5845070 |
Security system for internet provider transaction
This invention provides security controls against exposing Confidential Information that is required to purchase goods and services from Internet Entity 56 offered on a home page site. The...
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5841870 |
Dynamic classes of service for an international cryptography framework
An international cryptography framework (ICF) allows manufacturers to comply with varying national laws governing the distribution of cryptographic capabilities. The invention is concerned...
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5825877 |
Support for portable trusted software
A form of authentication is provided wherein a trusted third party signs a certificate to identify the author of a program and to secure its integrity. The program code is encapsulated or otherwise...
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5825300 |
Method of protected distribution of keying and certificate material
A computer system and a method for the protected distribution of certificate and keying material between a certification authority and at least one entity in the certification authority's domain,...
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5822434 |
Scheme to allow two computers on a network to upgrade from a non-secured to a secured session
An apparatus for allowing communications to a target host on a network to be upgraded from a non-secured session to a secured session. The apparatus including a processor; a memory coupled to the...
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5796833 |
Public key sterilization
A public key sterilization scheme for thwarting possible attacks based on choosing malicious public keys. A first user sends public key information to a certificate authority. The certificate...
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5784463 |
Token distribution, registration, and dynamic configuration of user entitlement for an application level security system and method
A shared secret key distribution system which enables secure on-line registration for services provided by an application server through an application level security system or firewall utilizes an...
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5774552 |
Method and apparatus for retrieving X.509 certificates from an X.500 directory
A method and apparatus for retrieving, verifying, and using information accessible by a directory service agent to authenticate electronic messages is described. The method comprises the steps of...
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5768504 |
Method and apparatus for a system wide logan in a distributed computing environment
A system wide sign-on capability in a distributed computing environment (DCE) is provided. Acquired distributed computing environment credentials are usable by any process/window on a desktop. DCE...
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5764887 |
System and method for supporting distributed computing mechanisms in a local area network server environment
LAN server machines are configured to utilize their existing mechanisms to pass generic security subsystem (GSS) distributed computing environment (DCE) credentials. The server management block...
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5761309 |
Authentication system
An authentication system whereby authentication load can be distributed in the network without sharing secret information of users is provided. The system has a single master authentication center...
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5757920 |
Logon certification
Logon certificates are provided to support disconnected operation within the distributed system. Each logon certificate is a secure package holding credentials information sufficient to establish...
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5748735 |
Securing E-mail communications and encrypted file storage using yaksha split private key asymmetric cryptography
A method is provided for securing stored files in a system having a plurality of system users with each system user having an associated asymmetric crypto-key with a public key portion and a...
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5742677 |
Information terminal having reconfigurable memory
An information terminal includes a secure microprocessor and secure non-volatile memory. Data such as authorization data and other service provider related data for subscription information...
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5740248 |
Software level touchpoints for an international cryptography frameworks
An international cryptography framework (ICF) allows manufacturers to comply with varying national laws governing the distribution of cryptographic capabilities. The invention is concerned...
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5717759 |
Method for certifying public keys in a digital signature scheme
A method for certifying public keys of a digital signature scheme in a communications system is provided. The secure communications system is one in which there are at least two levels of...
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5717757 |
Certificate issue lists
An authority provides authenticated information about a plurality of certificate identifiers by generating a data string identifying all the plurality of certificate identifiers and by having the...
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5710816 |
Method and apparatus for ensuring receipt of voicemail messages
A messaging system in which a sender is able to receive certification of receipt of messages sent to a receiver that ensures that only the desired recipient gains access to the messages. Also, the...
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5701343 |
Method and system for digital information protection
A digital information protection scheme using an improved security protocol. In a system in which a user makes an access to a digital information provided by an information center by connecting a...
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5675649 |
Process for cryptographic key generation and safekeeping
A process for cryptographic key generation and safekeeping is provided. A plurality of key agents are selected, each having a copy of the source code. One copy of the source code is loaded onto a...
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5668877 |
Method and apparatus for stepping pair keys in a key-management scheme
A method and apparatus for generating additional implicit keys from a key [K ij ] N without the necessity of generating a new Diffie-Helman (DH) certificate or requiring communication between...
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5659616 |
Method for securely using digital signatures in a commercial cryptographic system
A system for securely using digital signatures in a commercial cryptographic system that allows industry-wide security policy and authorization information to be encoded into the signatures and...
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5633933 |
Method and apparatus for a key-management scheme for internet protocols
A first data processing device (node I) is coupled to a private network which is in turn coupled to the Internet. A second data processing device (node J) is coupled to the same, or to a different...
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5535276 |
Yaksha, an improved system and method for securing communications using split private key asymmetric cryptography
In a system, such as a system utilizing a Kerberos protocol, system users each have an associated asymmetric crypto-key. The security of communications over the system is enhanced by a first user...
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5530758 |
Operational methods for a secure node in a computer network
A computer network (20) including secure nodes (26) and unsecured nodes (28). The secure nodes (26) may communicate private data without compromising security provisions. The secure nodes (26)...
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5515441 |
Secure communication method and apparatus
In a communication system in which a node may communicate over insecure channels with any of a plurality of terminals and may pass messages from any of the terminals to any other of the terminals,...
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5515439 |
Exchange certificate for one way validation of information
In a communications system, a method is described allowing two users having established a communication session identified by a unique session freshness proof, to transmit and validate a new value...
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5511122 |
Intermediate network authentication
An internetwork authentication method is provided for verifying a sending host by a receiving host or an intermediate router or gateway. The method comprises the steps of: obtaining a network...
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5511121 |
Efficient electronic money
A unique electronic cash system protects the privacy of users in legitimate transactions while at the same time enabling the detection of a double spender of the same electronic coin. The...
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5506961 |
Connection authorizer for controlling access to system resources
A peer to peer connection authorizer is described. The connection authorizer involves three different entities: a system authorizer mechanism, a client connection manager, and a server connection...
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5499295 |
Method and apparatus for feature authorization and software copy protection in RF communications devices
A hardware-software security arrangement enables manufacturers of digital RF communications equipment to provide differently configured products having substantially identical hardware and...
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5497421 |
Method and apparatus for protecting the confidentiality of passwords in a distributed data processing system
Apparatus for protecting the confidentiality of a user's password during a remote login authentication exchange between a user node and a directory service node of a distributed, public key...
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5491752 |
System for increasing the difficulty of password guessing attacks in a distributed authentication scheme employing authentication tokens
An improved security system inhibits eavesdropping, dictionary attacks, and intrusion into stored password lists. In one implementation, the user provides a workstation with a "password", and a...
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5475758 |
User authenticating system and method in wide area distributed environment
A user authenticating system includes a certification authority for issuing a certification to a user who desires to use a bulletin board system. The certification is obtained by enciphering...
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5412717 |
Computer system security method and apparatus having program authorization information data structures
Method and apparatus are disclosed including a system monitor which limits the ability of a program about to be executed to the use of predefined resources (e.g., data files, disk writing...
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5390247 |
Method and apparatus for creating, supporting, and using travelling programs
A method and apparatus for creating, supporting and using a "travelling program" is disclosed. A "travelling program" is a digital data structure which includes a sequence of instructions and...
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5341426 |
Cryptographic key management apparatus and method
A method for establishing a secure communications link between first and second terminals includes a step of exchanging a first message. The first message contains information describing encryption...
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5339403 |
Access control in a distributed computer system
A distributed computer system, has a number of users and target applications. When a user logs on to the system, an authentication unit issues the user with a privilege attribute certificate (PAC)...
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