|
| | |
|
Your search returned 113 patents.
( 713/158 in Current US Classification ) |
|
|
| 1 2 |
| Patent ID | Title | Date Filed |
| 6314517 | Method and system for notarizing digital signature data in a system employing cryptography based security
| April 2, 1998 |
| 6301659 | Tree-based certificate revocation system
| November 26, 1997 |
| 6292893 | Certificate revocation system
| January 14, 2000 |
| 6263434 | Signed group criteria
| September 21, 1999 |
| 6260142 | Access and storage of secure group communication cryptographic keys
| December 22, 1999 |
| 6256741 | Specifying security protocols and policy constraints in distributed systems
| October 13, 2000 |
| 6256734 | Method and apparatus for compliance checking in a trust management system
| October 8, 1999 |
| 6256733 | Access and storage of secure group communication cryptographic keys
| June 30, 1999 |
| 6233341 | System and method for installing and using a temporary certificate at a remote site
| May 19, 1998 |
| 6230266 | Authentication system and process
| February 3, 1999 |
| 6216116 | System and method for handling permits
| April 14, 1999 |
| 6209091 | Multi-step digital signature method and system
| September 29, 1998 |
| 6192130 | Information security subscriber trust authority transfer system with private key history transfer
| June 30, 1999 |
| 6161145 | Updating server-related data at a client
| May 8, 1997 |
| 6128740 | Computer security system and method with on demand publishing of certificate revocation lists
| December 8, 1997 |
| 6115817 | Methods and systems for facilitating transmission of secure messages across insecure networks
| May 6, 1998 |
| 6097811 | Tree-based certificate revocation system
| October 11, 1996 |
| 6092201 | Method and apparatus for extending secure communication operations via a shared list
| January 27, 1998 |
| 6044462 | Method and apparatus for managing key revocation
| April 2, 1997 |
| 6044350 | Certificate meter with selectable indemnification provisions
| December 24, 1998 |
| 6035402 | Virtual certificate authority
| December 20, 1996 |
| 5982898 | Certification process
| March 7, 1997 |
| 5960083 | Certificate revocation system
| March 24, 1997 |
| 5949877 | Content protection for transmission systems
| January 30, 1997 |
| 5903651 | Apparatus and method for demonstrating and confirming the status of a digital certificates and other data
| May 14, 1996 |
| 1 2 |
|
|
|
|
|
|
|
|
|
|
|