Digital Equipment Corporation, Patent Law Group
Patent Applications and Registrations
Patent applications and USPTO patent grants for Digital Equipment Corporation, Patent Law Group.The latest application filed is for "system for increasing the difficulty of password guessing attacks in a distributed authentication scheme employing authentication tokens".
- Digital Equipment Corporation, Patent Law Group - Maynard MA
| Patent | Date |
|---|---|
| System for increasing the difficulty of password guessing attacks in a distributed authentication scheme employing authentication tokens Grant 5,491,752 - Kaufman , et al. February 13, 1 | 1996-02-13 |
| Message encryption using a hash function Grant 5,483,598 - Kaufman , et al. January 9, 1 | 1996-01-09 |
| Frame removal mechanism using end delimiter frames for token ring networks Grant 5,477,540 - Yang , et al. December 19, 1 | 1995-12-19 |
| Method of deriving a per-message signature for a DSS or El Gamal encryption system Grant 5,475,763 - Kaufman , et al. December 12, 1 | 1995-12-12 |
| Method and apparatus for selective interleaving in a cell-switched network Grant 5,434,855 - Perlman , et al. July 18, 1 | 1995-07-18 |
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