Bizarre Patents
Ballistic resistant body covering
A ballistic resistant body covering for protecting the torso, groin and neck area from ballistic missiles.
PatentStorm News
Make the Most of Our Site
See this month's Top Inventors and Most Cited Patents.
Stay on top of the latest innovations by subscribing to an RSS feed.
Registered users: Manage your profile.
| Number | Title | Issue Date |
| 5371794 | Method and apparatus for privacy and authentication in wireless networks A method and apparatus is disclosed for providing a secure wireless communication link between a mobile nomadic device and a base computing unit. A mobile sends a host certificate (Cert-- Mobile) to the base along with a randomly chosen challen... | 12/06/1994 |
| 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 devices and communications modes available within the ter... | 08/23/1994 |
| 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) representing the user's access rights. When the user wishe... | 08/16/1994 |
| 5337360 | 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 associated data and which has the capability of determining at ... | 08/09/1994 |
| 5315657 | Compound principals in access control lists An access control list for determining the access rights of principals in a distributed system to a system resource is disclosed wherein the access rights of a specified principal are based on the access rights delegated to that principal.... | 05/24/1994 |
| 5311591 | Computer system security method and apparatus for creating and using 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 capabilities, etc.). The system monitor processes a data structure ... | 05/10/1994 |
| 5261002 | Method of issuance and revocation of certificates of authenticity used in public key networks and other systems A technique for issuing and revoking user certificates of authenticity in a public key cryptography system, wherein certificates do not need expiration dates, and the inconvenience and overhead associated with routine certificate renewals are minimized or... | 11/09/1993 |
| 5235642 | Access control subsystem and method for distributed computer system using locally cached authentication credentials A distributed computer system has a number of computers coupled thereto at distinct nodes. The computer at each node of the distributed system has a trusted computing base that includes an authentication agent for authenticating requests received from pri... | 08/10/1993 |
| 5222140 | Cryptographic method for key agreement and user authentication Protocols for session key agreement and authentication in a communication system such as a portable communication system make use of public key cryptographic techniques. The protocols of the present invention are especially suited for use in a portable co... | 06/22/1993 |
| 5220603 | Access control in a distributed computer system A mechanism is described for controlling access to a target application (TA) in a distributed computer system. A user sponsor (US) acting on behalf of an end user is issued with a privilege attribute certificate (PAC) containing initiator qualifier attrib... | 06/15/1993 |
| 5214700 | Method for obtaining a securitized cleartext attestation in a distributed data processing system environment A method for obtaining at least one securitized cleartext attestation by at least one requestor subject coupled to a data processing system and communicating with each other through a network. The data processing system includes a plurality of subjects an... | 05/25/1993 |
| 5210795 | Secure user authentication from personal computer A method and apparatus for authenticating a human user on a personal computer without requiring the user to expose his password or authentication secret to the personal computer of a server. Also a method for protecting a floppy disk with login software f... | 05/11/1993 |
| 5164988 | Method to establish and enforce a network cryptographic security policy in a public key cryptosystem Device A in a public key cryptographic network will be constrained to continue to faithfully practice a security policy dictated by a network certification center, long after device A's public key PUMa has been certified. If device A alters its operations... | 11/17/1992 |
| 5115466 | Communication network intended for secure transmission of speech and data This invention relates to a communication network intended for secure transmission of speech and data, including different types of subscriber terminals (10-15) and switching modules (4-6), and where the network further comprise crypto devices to undertak... | 05/19/1992 |
| 5073931 | System and individual device for participation in a broadcast program This device allows an individual to participate in a television program as a function of remotely loaded data. It includes a device for reception of date (R), a keyboard (8), a clock (10) and a device for processing data entered at the keyboard as a funct... | 12/17/1991 |
| 5073933 | X window security system The method of rendering an X Windows server system running on a server and at least one host computer terminal secure including the steps of allowing users to view only resources of the X Windows server system the use of which has been specifically author... | 12/17/1991 |
| 5003593 | Teleconferencing method for a secure key management system A secure teleconferencing method for a key management system is shown. This method directly establishes a secure teleconference among a number of terminals without the intervention of a certifying authority. The terminals of this system have been previous... | 03/26/1991 |
| 4888801 | Hierarchical key management system A hierarchical key management system includes a number of secure terminals. These terminals provide secure access to a corresponding number of users. A user inserts a security activation device or key into the secure terminal to access a secure connection... | 12/19/1989 |
| 4868877 | Public key/signature cryptosystem with enhanced digital signature certification A public key cryptographic system is disclosed with enhanced digital signature certification which authenticates the identity of the public key holder. A hierarchy of nested certifications and signatures are employed which indicate the authority and respo... | 09/19/1989 |
| 4853961 | Reliable document authentication system A system for reliably authenticating a document includes a device having a decryption key therein that, upon application to information provided by a user, reveals not only a plain text message indicating the source of the authentication but, in addition,... | 08/01/1989 |
| 4458109 | Method and apparatus providing registered mail features in an electronic communication system The method and the apparatus provide a security feature in an electronic communication system which contains a first and a second terminal and a communication network. The first terminal is designed for sending a message to the second terminal. A security... | 07/03/1984 |
