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Your search returned 148 patents.
( 713/163 in Current US Classification ) |
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| Patent ID | Title | Date Filed |
| 6832314 | Methods and apparatus for selective encryption and decryption of point to multi-point messages
| December 15, 1999 |
| 6816966 | Techniques for securing data flow in internet multicasting
| June 30, 1997 |
| 6813714 | Multicast conference security architecture
| August 17, 1999 |
| 6804779 | Hierarchical watermarking of content that is distributed via a network
| January 10, 2000 |
| 6785809 | Server group key for distributed group key management
| June 11, 1999 |
| 6782475 | Method and apparatus for conveying a private message to selected members
| July 13, 2000 |
| 6772339 | Mix and match: a new approach to secure multiparty computation
| March 13, 2000 |
| 6772335 | Multimedia coordination system
| December 6, 2001 |
| 6772222 | Multicast forwarding table processor
| April 7, 2000 |
| 6751747 | System, device, and method for detecting and recovering from failures in a multicast communication system
| December 14, 2000 |
| 6751729 | Automated operation and security system for virtual private networks
| July 22, 1999 |
| 6742116 | Security method, security software and security system for electronic communications
| August 30, 1999 |
| 6738900 | Method and apparatus for distributing public key certificates
| January 28, 2000 |
| 6735312 | Cryptographic method for restricting access to transmitted programming content using .function.-redundant establishment key combinations
| May 11, 1999 |
| 6728878 | Deferred billing, broadcast, electronic document distribution system and method
| August 6, 2001 |
| 6724895 | Electronic identification system and method with source authenticity verification
| June 16, 1999 |
| 6718361 | Method and apparatus for reliable and scalable distribution of data files in distributed networks
| April 7, 2000 |
| 6684331 | Method and apparatus for distributing and updating group controllers over a wide area network using a tree structure
| December 22, 1999 |
| 6643773 | Apparatus and method for authenticating messages in a multicast
| April 13, 1999 |
| 6629243 | Secure communications system
| October 7, 1999 |
| 6606706 | Hierarchical multicast traffic security system in an internetwork
| February 8, 1999 |
| 6594764 | APPARATUS, METHODS, AND COMPUTER PROGRAM PRODUCTS FOR NETWORK MANAGEMENT OPERATIONS RELATING TO NETWORK MANAGEMENT PROTOCOL ADAPTER SECURITY SOFTWARE (MPASS) FOR MESSAGING WITH USER NAME ACCESS IDENTIFICATION
| June 11, 1999 |
| 6594758 | System, method, and medium for broadcasting service contents
| June 2, 1999 |
| 6587943 | Apparatus and method for limiting unauthorized access to a network multicast
| December 3, 1998 |
| 6584566 | Distributed group key management for multicast security
| June 11, 1999 |
| 6567914 | Apparatus and method for reducing transmission bandwidth and storage requirements in a cryptographic security system
| April 27, 2000 |
| 6560707 | Multimedia coordination system
| January 12, 1996 |
| 6556835 | Implementation of multicast messaging in a mobile telecommunications network
| August 15, 2000 |
| 6550008 | Protection of information transmitted over communications channels
| February 26, 1999 |
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