Matches 351 - 400 out of 440 < 1 2 3 4 5 6 7 8 9 >
Match Document Document Title
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...
6349338 Trust negotiation in a client/server data processing network using automatic incremental credential disclosure  
In client/server computing, especially in the field of e-commerce, digitally signed credentials are passed between client and server to develop trust between the parties. However, this requires...
6347373 Method and device for the protected storage of data from message traffic  
Method and processor ( 12 ) for: a. setting up a telecommunication link between various communication appliances ( 1, 2, 3, 7, 8, 9 ); b. setting up a monitoring link ( 13 ) between the...
6338139 Information reproducing apparatus, authenticating apparatus, and information processing system  
In this invention, an information recording/reproducing apparatus has an authentication function and directly transfers information to an MPEG board, sub-picture run-length board, speech...
6332192 Generalized user identification and authentication system  
The invention features a method for providing a user access to a secure application. The invention stores in an encrypted form the authentication information necessary to satisfy the authentication...
6330624 Access limiting to only a planar by storing a device public key only within the planar and a planar public key only within the device  
A data processing system and method are disclosed for protecting data stored on a device included within the system. A device key pair is established which identifies a particular device included...
6327656 Apparatus and method for electronic document certification and verification  
The certification of electronic documents for subsequent verification and authentication is disclosed. Pursuant to a request to certify a document, a digital signature is extracted from the...
6324645 Risk management for public key management infrastructure using digital certificates  
A public key management infrastructure (104) is shared by at least two users (102). A method (300) for managing risk arising from a user's use of the shared public key management infrastructure...
6311270 Method and apparatus for securing communication utilizing a security processor  
A method is provided for communicating digital content between a content provider and a data processing system which is under the control of a content consumer, utilizing an insecure communication...
6307939 Method and equipment for allocating to a television program, which is already conditionally accessed, a complementary conditional access  
A method and an equipment for allocating to a television program, which is already conditionally accessed, a complementary conditional access. The television program is first received by means...
6308274 Least privilege via restricted tokens  
A method and mechanism to enforce reduced access via restricted access tokens. Restricted access tokens are based on an existing token, and have less access than that existing token. A process is...
6304968 Method and device for assigning an authorization device to a base station  
A method and a device for allocating an authentication device to a base station, with the base station delivering a search signal which is received by the authentication device and is compared with...
6301658 Method and system for authenticating digital certificates issued by an authentication hierarchy  
A method and system for efficiently authenticating digital certificates issued by an organization's authentication hierarchy. The system includes a verification server that manages a certificate...
6292896 Method and apparatus for entity authentication and session key generation  
A system for authenticating a first entity to a second entity and for simultaneously generating a session key for encrypting communications between the entities. The first entity generates an...
6292892 Apparatus and method for providing secured communications  
In one embodiment, a method to provide reliable electronic distribution of information between a first system and a second system remotely located from the first system coupled together by a...
6275585 Method for reprogramming a vehicle system or a user system in a vehicle  
A communication system (100) includes an infrastructure (150) and at least one vehicle (101), the vehicle including at least one vehicle system (103), and at least one user system (113). The...
6263437 Method and apparatus for conducting crypto-ignition processes between thin client devices and server devices over data networks  
A crypto-ignition process is needed to establish an encrypted communication protocol between two devices connected by an insecure communication link. The present invention introduces a method of...
6260141 Software license control system based on independent software registration server  
A software license control system is based on independent software registration servers. The registration servers are open to all software manufacturers. On user's computer, a software product asks...
6260144 Method for verifying the expected postal security device in a postage metering system  
A PSD has a private key which is associated with a specific public key that is stored in the host PC. The host PC sends the PSD public key private key to the PSD. If the PSD determines that the...
6223286 Multicast message transmission device and message receiving protocol device for realizing fair message delivery time for multicast message  
A multicast message transmission device and a message receiving protocol device for guaranteeing a fair message delivery time for a multicast message. At the receiving protocol device, a release...
6216116 System and method for handling permits  
A method for handling permits, comprising the steps of: (A) a gatekeeper presents a gatekeeper's permit including an authorization to ask for a user's permit; (B) a user checks the validity of the...
6199161 Management of authentication keys in a mobile communication system  
A method and mobile communication system for managing authentication keys, the system having at least one authentication center, base stations and mobile stations to which subscriber identity...
6192473 System and method for mutual authentication and secure communications between a postage security device and a meter server  
A method is provided for establishing mutual authentication and secure communications between an microprocessor-based transaction evidencing device and a microprocessor-based server coupled...
6185684 Secured document access control using recipient lists  
A method for providing secured access to a document includes the steps of embedding a permissions attribute into a recipient list. The permissions attribute identifies permissions allowing various...
6167513 Mobile computing scheme using encryption and authentication processing based on mobile computer location and network operating policy  
A mobile computing scheme capable of carrying out a proper packet transfer according to a current location of the mobile computer by accounting for the network operating policy. A mobile computer...
6167514 Method, apparatus, system and information storage medium for wireless communication  
Wireless communication method and apparatus which can perform the wireless transmission/reception of encrypted data without previous provision of a cryptographic key and without any system for...
6144739 Computer network protection using cryptographic sealing software agents and objects  
A method and apparatus for protecting software objects from external modification is described. A cryptographic seal protects the object at the object level and also supports secure inter-object...
6138235 Controlling access to services between modular applications  
The present invention provides a method and an apparatus for providing a first computer program module with the ability to access a service from a second computer program module. The method...
6128391 Method and apparatus for asymetric key management in a cryptographic system  
A method and apparatus for asymmetrical key management in a cryptographic system is provided. Embodiments of the invention implement varying levels of diversification to manage the encryption keys....
6125445 Public key identification process using two hash functions  
A process for the identification of a claimant by a verifier. The process is of the public key type, where the public exponent is equal to 3. The claimant draws at random a first exponent α,...
6105133 Bilateral authentication and encryption system  
A bilateral system for authenticating remote transceiving stations through use of station identifiers (IDs), and through use of passwords which are used only one time, and thereafter exchanging...
6073236 Authentication method, communication method, and information processing apparatus  
Mutual authentication is performed. A reader/writer (R/W) transmits to an IC card a code C 1 that is a random number R A encrypted using a key K B . The IC card decrypts the code C 1 into plain...
6061789 Secure anonymous information exchange in a network  
Computer network management for electronic commerce requires technical implementations of business processes. The process addressed here is a technical method for a communication in which two or...
6058476 Encryption apparatus for ensuring security in communication between devices  
In the first devices, MPU 53 generates random number R1 as challenge data. Random number R3 is generated by first encryption IC 54, and then combined with random number R1, encrypted, and sent to...
6055638 Process and authentication device for secured authentication between two terminals  
Process and device for secured authentication of the transmission of data between two terminals includes a secured authentication process for the communication between a user's station and a server...
6041409 Device and method for data integrity and authentication  
Various aspects of data security such as validation, authentication and encryption are accomplished by the combinations of encoding and decoding employing a mapping or inverse mapping controllable...
6034618 Device authentication system which allows the authentication function to be changed  
The decoder apparatus 90 generates a random number R1 for authenticating the optical disc drive apparatus 70 and sends it to the optical disc drive apparatus 70 as the challenge data CHA1. The...
6028933 Encrypting method and apparatus enabling multiple access for multiple services and multiple transmission modes over a broadband communication network  
The specification relates to the encryption of data transmitted over a broadband multiple access bi-directional hybrid fiber/coax (HFC) network. The method supports downstream broadcast encryption...
6028937 Communication device which performs two-way encryption authentication in challenge response format  
A supplier device 70 which supplies title data is equipped with a encryption module 74 for performing an encryption which is substitutive in nature and the user device 90 which uses the title data...
6026166 Digitally certifying a user identity and a computer system in combination  
Digital certification method in which a first digital signature dependent upon a first user identity and a first user system in combination, is stored accessibly to a certification server. The...
6018581 Communication system and communication method  
A communication system can maintain high security in communication between a communication apparatus and a terminal. The communication system includes the communication apparatus and the terminal...
5995624 Bilateral authentication and information encryption token system and method  
An authentication and information encryption system and method which uses a token system for increased security in accommodating bilateral encrypted communications between an originating system and...
5978478 Terminal adapter  
A terminal adapter accommodates a data terminal device having an interface such as an RS-232C interface or the like in an ISDN. In response to an authentication request according to the CHAP from a...
5954817 Apparatus and method for securing electronic information in a wireless communication device  
An apparatus (200) for securing electronic information (205) includes a microcontroller (202) and an external memory (204) coupled thereto. The microcontroller (202) comprises a one-time...
5953424 Cryptographic system and protocol for establishing secure authenticated remote access  
A cryptographic protocol establishes shared secrets such as encryption/decryption keys by exchanging public signals generated from transformations of private signals and one or more authentication...
5875394 Method of mutual authentication for secure wireless service provision  
A mutual authentication process assures that a subscriber does not provide sensitive activation information to an imposter network and a network does not provide sensitive activation information to...
5835595 Method and apparatus for crytographically protecting data  
A method and apparatus for transferring encrypted information to a database. First certification information is transferred from a first database to a second database. Second certification...
5822431 Virtual authentication network for secure processors  
The integrity of a group of secure processing elements in a communication system is ensured with a validation scheme. Member elements are checked by adjacent members to determine whether a member...
Matches 351 - 400 out of 440 < 1 2 3 4 5 6 7 8 9 >